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Delphi Technologies
Delphi Technologies
from Wikipedia

Delphi Technologies was an independent automotive company from 2017 to 2020, when it was acquired by BorgWarner Inc. As of 5 July 2023, BorgWarner completed the spin-off of Delphi Technologies, Delco Remy, and Hartridge to a separate publicly traded company, PHINIA.

Key Information

Delphi Technologies was formed in 2017 when Delphi Automotive, formerly a division of General Motors, renamed itself Aptiv and spun off its powertrain and aftermarket related businesses to a stand-alone company Delphi Technologies PLC. The $4.5 billion company began trading under the former Delphi Automotive symbol DLPH on the New York Stock Exchange.[1][2][3] It was added to the S&P MidCap 400 Index on 6 December 2017.[4]

The company provided combustion systems, electrification products and software and controls, and operated in the passenger car and commercial vehicle markets, and in vehicle repair through a global aftermarket network.[1] As of 2018, the company had more than 20,000 employees including 5,000 engineers.[5] It was headquartered in London, U.K. and operates technical centers, manufacturing sites, and customer support services in 24 countries.[1]

Upon the formation of Delphi Technologies, Liam Butterworth, head of the former Delphi Automotive's global powertrain business since 2014, was named CEO.[6] In October 2018, he left the company, and director and former Tenneco COO Hari Nair was named interim CEO.[7] On 7 January 2019 Richard Dauch was named new CEO.[8]

On 28 January 2020, BorgWarner Inc. agreed to buy Delphi Technologies in an all stock merger that valued Delphi at about $3.3 billion, Delphi stockholders would own about 16% of the combined company.[9] By acquiring Delphi Technologies, BorgWarner Inc. has strengthened its position in power electronics. Delphi Technologies’ expertise gives BorgWarner Inc. the technical capabilities it needs to compete in combustion, hybrid, and electric vehicle markets.[10] The deal was completed in October 2020.[11]

On 5 July 2023, BorgWarner Inc. completed the spin-off of Delphi Technologies, Delco Remy, and Hartridge into a separate public traded company, PHINIA. So BorgWarner Inc. still own Delphi Technologies[citation needed]

References

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from Grokipedia
Delphi Technologies is the aftermarket brand of PHINIA Inc., a global provider specializing in the design, manufacture, and distribution of original equipment (OE) specification parts, diagnostics, and services for vehicle propulsion, fuel systems, engine management, and electronics. It operates in over 150 countries with a network of more than 2,750 service centers, serving passenger vehicles, commercial vehicles, and industrial applications through more than 32,000 stock-keeping units (SKUs) (as of 2024). The brand traces its origins to Delphi Automotive PLC, a former division of , which underwent a major restructuring in 2017 by spinning off its and aftermarket segments into the independent entity Delphi Technologies PLC. Headquartered in the , Delphi Technologies focused on advanced propulsion technologies, including and injection systems, electronic controls, and software solutions for combustion and electrified . In 2020, Inc. acquired Delphi Technologies in an all-stock transaction valued at approximately $3.3 billion in enterprise value, integrating its expertise in fuel systems and aftermarket operations to enhance BorgWarner's propulsion portfolio. By 2023, as part of BorgWarner's strategic shift toward , Delphi Technologies' fuel systems and aftermarket businesses—along with other units like Delco Remy—were spun off into a new independent , PHINIA Inc., which began trading on the under the ticker PHIN. Under PHINIA, Delphi continues to emphasize innovative aftermarket solutions, including diagnostics tools, test equipment, and maintenance services, supported by a of around 850 dedicated aftermarket employees. This evolution positions Delphi as a key player in sustaining vehicle performance amid the transition to cleaner technologies.

History

Origins and development under General Motors

The Dayton Engineering Laboratories Company, commonly known as Delco, was founded in 1909 by inventor and businessman Edward A. Deeds in , with an initial focus on developing electrical ignition systems to address the challenges of hand-cranking early automobiles. Kettering's breakthrough invention, the electric self-starter, emerged from this venture in 1911 and was first implemented in production the following year, significantly enhancing vehicle safety and usability by eliminating the hazardous hand-crank method. This innovation laid the groundwork for Delco's expertise in automotive electrical components, positioning it as a pioneer in reliable starting systems that became standard across the industry. In 1918, acquired Delco as part of its purchase of the United Motors Corporation, integrating it into GM's expanding portfolio of parts suppliers and leveraging its technologies for broader application in GM vehicles. Under GM ownership, Delco grew through mergers and expansions, evolving into specialized divisions that contributed to key automotive advancements; for instance, in the and , Delco divisions developed and produced systems, improving stopping power and safety as GM standardized them across its car lines. By the mid-20th century, Delco had merged elements of its operations with AC Rochester to form AC Delco, enhancing its role in climate control and . During the 1950s, Delco revolutionized by introducing compact, under-dash systems in 1954, making factory-installed AC more accessible and efficient in GM models like . In the 1970s, Delco Electronics advanced engine management with early electronic implementations for GM's luxury vehicles, such as the Cadillac , enabling better and emissions control amid rising regulatory pressures. This period of integration and innovation propelled Delco's growth within GM, culminating in the formation of Delphi Automotive Systems in 1995 as a consolidated unit for GM's non-manufacturing operations. By the late , Delphi had become a global leader in , , , and systems, generating approximately $28.5 billion in revenue in 1998, predominantly from GM supply contracts. Delphi Automotive was spun off from GM in 1999.

Spin-off from Delphi Automotive

In 1999, General Motors completed the spin-off of its automotive parts division, Delphi Automotive Systems, as an independent publicly traded company, marking the end of a 90-year era of vertical integration within GM. The new entity, initially retaining its headquarters in Troy, Michigan, focused on leveraging its engineering expertise to supply components globally, with early revenues exceeding $29 billion in 2000. However, the company soon encountered severe financial pressures from escalating labor costs, reduced production volumes at major customers like GM, and intensifying competition from lower-cost foreign suppliers. These challenges culminated in Delphi filing for Chapter 11 protection on October 8, 2005, the largest such filing in the automotive supplier industry at the time, with liabilities surpassing $20 billion. The restructuring process, which lasted four years, involved significant debt reduction, workforce reductions of over 20,000 jobs, and the termination of underfunded pension plans, enabling emergence as a leaner private entity backed by investors on October 6, 2009. Post-bankruptcy, Delphi shifted its legal domicile to the in 2009 through the formation of Delphi Automotive LLP, a move designed to optimize its global tax position while maintaining operational headquarters in . This was followed by the May 2011 incorporation of Delphi Automotive PLC as a under Jersey law, facilitating its and listing on the under the ticker DLPH, raising approximately $940 million. Strategically, the independent Delphi emphasized high-technology products, which accounted for about one-third of its 2000 revenues, including advanced electronics and integrated systems to differentiate from traditional suppliers. To bolster its portfolio, it pursued targeted acquisitions, such as the $1 billion purchase of the Automotive Holdings Group in March 2001, which expanded its aftermarket distribution capabilities in and . By 2017, amid evolving industry demands for and connectivity, Delphi Automotive announced a major restructuring, splitting into two separate entities: PLC, focused on advanced safety, , and connectivity technologies, and Delphi Technologies PLC, centered on and solutions. The spin-off of Delphi Technologies, completed in December 2017, created a standalone valued at approximately $4.5 billion, with its ordinary shares distributed pro-rata to Delphi Automotive shareholders and headquarters established in London, United Kingdom.

Independent operations (2017–2020)

Following its spin-off from Delphi Automotive in December 2017, Delphi Technologies operated as an independent publicly traded company listed on the New York Stock Exchange under the ticker symbol DLPH. The company employed approximately 20,000 people worldwide, including 5,000 engineers, and maintained technical centers in 24 countries to support its global operations in powertrain and aftermarket solutions. During this period, Delphi Technologies focused on growth in the passenger car and markets, achieving of $4.8 billion in , which increased 8% year-over-year to $4.9 billion in before declining 10% to $4.36 billion in amid softer global vehicle production. Key initiatives included expanding its diesel and fuel systems portfolio, such as the 2019 launch of a redesigned delivery module for enhanced reliability and the addition of over 700 new fuel handling parts to broaden aftermarket coverage. The company also advanced software and controls development, leveraging its expertise in to integrate advanced systems for improved and emissions compliance in both and emerging electrified applications. To position itself in the shifting automotive landscape, Delphi Technologies pursued strategic partnerships, particularly in , securing new business wins with Chinese original equipment manufacturers (OEMs) for components like 800-volt inverters and DC/DC converters for battery electric vehicles in 2020. These efforts aimed to diversify beyond traditional powertrains while capitalizing on China's growing EV market. However, the company faced significant challenges from downturns, including a 50% drop in third-quarter 2018 net income to $39 million due to weakening global demand and currency fluctuations. The aftermath of the 2015 Dieselgate exacerbated these pressures by accelerating the decline in light-duty diesel vehicle sales—particularly in , where market share fell from 52% in 2015 to much lower levels by 2020—reducing demand for Delphi Technologies' emissions control and diesel fuel injection technologies. This exposure contributed to ongoing headwinds, such as the European shift away from passenger diesel engines, prompting the company to emphasize and systems for resilience.

Acquisition by BorgWarner and spin-off to PHINIA

In January 2020, Inc. announced its intent to acquire Delphi Technologies in an all-stock transaction valuing Delphi's enterprise at approximately $3.3 billion, aiming to bolster its position in propulsion systems and electrification technologies. The deal was completed on October 2, 2020, with Delphi shareholders receiving approximately 16% ownership in the combined entity, while held 84%. This acquisition integrated Delphi's expertise in , software, and systems into 's portfolio, enhancing its capabilities in (EV) drivetrains and hybrid propulsion solutions. Following the merger, leveraged Delphi's assets to expand its offerings, including high-voltage inverters, DC/DC converters, and onboard chargers, which complemented BorgWarner's existing turbocharging and transmission technologies. This strategic combination positioned the enlarged as a more comprehensive supplier for OEMs transitioning to electrified powertrains, with Delphi's contributions enabling integrated drive modules and advanced battery management systems. In December 2022, announced plans to spin off its fuel systems and aftermarket segments—incorporating Delphi's brands and operations—into a standalone entity named PHINIA Inc., as part of a broader to focus on EV and hybrid technologies. The spin-off was completed on July 3, 2023, with PHINIA beginning independent trading on the under the ticker PHIN. This separation allowed to streamline its core electrification business while enabling PHINIA to independently develop premium fuel delivery and aftermarket solutions. Post-spin-off, the Delphi brand continued under PHINIA, maintaining its legacy in the aftermarket sector with ongoing in replacement parts for internal combustion engines. For instance, in 2025, introduced over 50 new aftermarket parts, including sensors and fuel management components, covering nearly 43 million vehicles across various models. In August 2025, launched over 50 first-to-market parts across fuel management, steering and suspension, and vehicle electronics categories, further expanding its coverage. This continuity underscores PHINIA's commitment to sustaining 's role in supporting global vehicle maintenance amid evolving mobility demands.

Corporate structure

Headquarters and global presence

Delphi Technologies originated under with its primary operations centered in , where the company's world headquarters were located at 5725 Delphi Drive. Following the 2017 spin-off from Delphi Automotive, the company established its corporate headquarters in London, United Kingdom, to reflect its global orientation as a publicly traded entity. Following the 2020 acquisition by , Delphi Technologies' global headquarters was relocated to , at 3000 University Drive, aligning with operational synergies in the U.S. automotive sector. After the 2023 spin-off of its fuel systems and aftermarket businesses to form PHINIA Inc., Delphi Technologies' operations integrated into PHINIA's structure while retaining the brand for aftermarket solutions and select manufacturing sites. PHINIA maintains the Auburn Hills headquarters, overseeing Delphi's legacy facilities as part of a streamlined . This evolution preserved key operational hubs, including engineering and production centers, to support ongoing international activities without disrupting established supply chains. At its peak as an independent entity, Delphi Technologies operated facilities across 24 countries, with major manufacturing sites in (such as for ), (including for aftermarket components), the ( for powertrain systems), and the (multiple plants in and beyond). R&D centers were concentrated in strategic locations like for advanced engineering and (Bangalore and technical centers) for software and connections systems development. Under PHINIA, these operations have been consolidated into 43 locations across 20 countries, emphasizing efficiency in fuel and electrical systems production. The company employed approximately 20,000 people worldwide prior to the acquisition, including about 5,000 engineers focused on innovation hubs in the U.S., , and . Post-integration and spin-off, PHINIA's workforce stands at over 12,500 employees, with significant concentrations at sites like the facility in (a key aftermarket hub) and Basildon in the UK ( engineering). This distribution supports Delphi's branding in aftermarket distribution, reaching over 150 countries through a network of more than 2,750 service centers.

Leadership and governance

Following its spin-off from Delphi Automotive in December 2017, Delphi Technologies was led by CEO Liam Butterworth, who oversaw the initial separation and establishment of the company as an independent entity focused on and aftermarket solutions. Butterworth, previously president of Delphi's segment, guided the transition until October 2018, when he stepped down after approximately 10 months in the role. Hari N. Nair then served as interim CEO from October 2018 until January 2019, bringing over 30 years of automotive industry experience from roles at and other suppliers. In January 2019, Richard F. Dauch assumed the CEO position, leading Delphi Technologies through its independent operations until the 2020 acquisition by . Under Dauch, the company pivoted toward electrification, emphasizing and hybrid technologies to address shifting market demands for e-mobility, while maintaining core competencies in combustion systems. Dauch also played a key role in negotiating the all-stock acquisition by , announced in January 2020, which positioned Delphi's technologies within a broader portfolio. The board of directors, comprising 10 members as of 2018 with nine independent directors, emphasized automotive sector expertise, including former executives from , ZF TRW, and . Key figures included Non-Executive Chairman Timothy M. Manganello and members such as Gary L. Cowger (former GM manufacturing vice president) and Helmut P. Leube (former Delphi CEO), supporting strategic oversight through committees on audit, compensation, finance, innovation, and nominating/governance. As a incorporated in and listed on the , Delphi Technologies adhered to corporate governance standards, including those under the , alongside NYSE requirements for independence and committee functions. Post-acquisition, Delphi Technologies integrated into under the leadership of CEO Frédéric Lissalde, who directed the combined entity's propulsion strategy. Following 's 2023 spin-off of its and aftermarket businesses as PHINIA, the Delphi brand's leadership aligned with PHINIA's executive team, led by CEO Brady D. Ericson, with a focus on sustainable aftermarket solutions such as emissions reduction and practices. During its independent phase, Delphi Technologies employed over 20,000 people globally.

Products and technologies

Powertrain and combustion systems

Delphi Technologies has been a key developer of advanced and systems for internal combustion engines, focusing on delivery and emissions control to enhance efficiency and meet stringent regulatory standards. These systems primarily target diesel and engines in passenger and commercial vehicles, integrating high-precision components to optimize processes. By innovating in and valve actuation, Delphi's technologies have contributed to significant reductions in consumption and emissions, supporting global transitions toward cleaner propulsion while maintaining performance. In systems, Delphi specializes in high-pressure architectures, including pumps capable of delivering up to 2,700 bar for Euro VI-compliant heavy-duty applications. These systems feature multi-hole injectors with up to eight orifices for precise fuel atomization and or piezoelectric actuation to enable multiple injections per cycle, improving efficiency and reducing (NVH). (EGR) valves, particularly high-pressure variants, divert soot-laden exhaust before the , enhancing emissions control by lowering levels while supporting fast response times for better engine management. Designed for 9- to 16-liter engines in commercial vehicles, these components secured contracts worth over 3.7 billion euros as of , with production ramping up to meet demands in emerging markets compliant with standards like 4/5. For gasoline engines, Delphi's direct injection (GDi) systems operate at pressures up to 350 bar, with ongoing development toward 500 bar solutions to further refine fuel droplet size and mixing. Key elements include solenoid and piezoelectric injectors that support both GDi and port fuel injection (PFI) configurations, alongside high-pressure pumps for reliable delivery across operating conditions. Compared to traditional PFI, these systems achieve up to 15% better fuel economy through improved volumetric efficiency and stratified charge combustion, while reducing hydrocarbon and particulate emissions by up to 70%. The 500 bar GDi variant is designed to cut particulate emissions significantly without additional hardware like gasoline particulate filters, aiding compliance with evolving standards. Combustion enhancements from Delphi include variable valve actuation technologies, such as the 2-Step Valve Lift System, which uses a three-lobe cam and oil-controlled to switch between high- and low-lift profiles for and exhaust valves. This adjusts lift, duration, and timing in overhead cam engines, yielding 3.5%–4.5% economy gains when combined with independent cam phasing, alongside 2%–3% increases in low-speed and 30%–50% reductions in hydrocarbon emissions. Complementing this, Delphi's cylinder deactivation solutions, like the Dynamic Skip Fire (DSF) system developed with Tula Technology, enable fully variable deactivation of s based on load, achieving 8%–15% savings in real-world driving and up to 17% in V8 engines by minimizing pumping losses. These technologies support (HCCI) modes and (OBD II) requirements for cleaner combustion. Delphi's powertrain systems have been supplied to major OEMs, including for its 1.2-liter three-cylinder Euro 5 engines, where global support ensured reliable performance and emissions compliance. The company's diesel and GDi technologies also align with Euro 6 standards, facilitating upgrades for broader OEM adoption in and beyond, with a focus on heavy-duty commercial vehicles. Under PHINIA as of 2025, these innovations continue to enable fuel-efficient, low-emission powertrains for traditional engines, including solutions for worldwide emissions standards in and light-duty vehicles.

Electrification and propulsion

Delphi Technologies advanced vehicle electrification through its development of components essential for hybrid electric vehicles (HEVs), plug-in hybrids (PHEVs), and battery electric vehicles (BEVs), focusing on efficient energy conversion and management prior to its 2020 acquisition by . These systems enabled high-voltage architectures ranging from 400V to 800V, optimizing power delivery from batteries to propulsion systems while reducing size, weight, and losses. The company's OE solutions integrated seamlessly into drivetrains, supporting the transition to electrified mobility by enhancing range, charging speeds, and overall efficiency. Following the 2023 spin-off of fuel systems and aftermarket to PHINIA Inc., these electrification technologies were retained by . In , Delphi Technologies produced inverters, DC/DC converters, and onboard chargers tailored for HEV/EV applications. The Combined Inverter and DC/DC Converter (CIDD) represented a key integration, combining a traction inverter for converting DC battery power to AC for motors with a DC/DC converter for stepping down voltage to 12V for auxiliary systems; this compact module supported both 400V and 800V platforms, improving and in vehicle architectures. Onboard chargers converted AC grid power to DC for battery replenishment, incorporating monitoring of voltage, current, temperature, and to ensure safe and rapid charging, with production models available since 2015 for PHEVs and BEVs. These components were deployed in production vehicles, including awards for CIDD units in Chinese OEM hybrid programs. For modules, Delphi Technologies provided traction modules that controlled delivery to electric motors, enabling precise and speed for efficient performance. These modules incorporated software and controls for battery , including oversight of cell balancing and to maximize utilization and vehicle range. While not manufacturing traction motors directly, the company's inverter technologies interfaced with them to support hybrid , as seen in dual inverter setups for parallel hybrid that allowed seamless switching between electric and modes. Battery software further ensured optimal charging cycles and preventive diagnostics, drawing from Delphi's supply of controllers for models like the . Key innovations included the adoption of silicon carbide (SiC) materials in power electronics, highlighted by the 800V SiC inverter launched in 2019, which halved charging times compared to 400V silicon-based systems and extended EV range by up to 10% through reduced switching losses and higher efficiency. This Viper SiC module, developed in partnership with Cree (now Wolfspeed), enabled smaller, lighter components with faster switching speeds, powering high-performance EVs. Dual inverters facilitated advanced hybrid configurations, while charging cord sets with in-cable control and protection devices (IC-CPD) supported safe Level 2 AC charging for BEVs and PHEVs, integrating directly with vehicle inlets. These advancements positioned Delphi as a leader in scalable electrification solutions before its 2020 acquisition. Delphi Technologies' technologies contributed to OEM partnerships, including supply of 3.3 kW, 440V onboard chargers to for early electrified models and SiC modules to luxury automakers. Following the acquisition by , these continued to bolster the portfolio for EV powertrains, such as integrated drive modules supplied to for 400V systems delivering over 200 kW in extended-range EVs as of 2023. This legacy from enhanced BorgWarner's electrification offerings across global applications.

Aftermarket solutions

Delphi Technologies offers a comprehensive range of replacement parts for the , emphasizing original equipment (OE) quality components designed for reliability and performance in passenger cars and light commercial vehicles. The portfolio includes sensors such as and position sensors, which monitor engine timing and optimize ; ignition coils that deliver precise spark for ; ABS components like wheel speed sensors that enhance braking safety; and parts encompassing control arms, tie rods, and ball joints to maintain suspension integrity and handling. These parts are engineered to meet or exceed OE specifications, drawing on Delphi's expertise in vehicle and mechanical systems. In 2025, Delphi expanded its aftermarket offerings with over 50 first-to-market parts, including EGR valves for emissions control and sway bar links for improved stability, collectively covering approximately 43 million vehicles in . This launch built on an earlier addition of 56 new parts in , focusing on OE replacement sensors and electronics to address growing demand for quick availability of high-coverage solutions. These expansions highlight Delphi's commitment to rapid innovation in fuel management and suspension categories, ensuring compatibility with a broad spectrum of vehicle models. Since the 2023 spin-off of PHINIA Inc. from , Delphi has operated as PHINIA's premium aftermarket brand, positioning itself as a trusted provider of professional-grade parts for independent repair shops and distributors worldwide. By the end of , the brand's European portfolio is projected to include nearly 9,000 references, supporting extensive vehicle coverage across major markets. This growth underscores Delphi's focus on quality and accessibility in the aftermarket segment. Delphi's global distribution network operates through delphiautoparts.com and partnerships in over 150 countries, with more than 2,750 service centers facilitating access to its aftermarket solutions. The network prioritizes categories such as fuel management systems for efficient delivery and storage, and suspension components for precise control, and parts for climate regulation, enabling seamless integration into repair workflows. Core technologies from Delphi's OE development, like advanced integration, are adapted for these aftermarket applications to ensure durability and ease of installation.

References

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