2003 Cadillac DeVille Fuel Pumps

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Keep Your 2003 Cadillac DeVille in Top Shape with Quality Fuel Pumps

Whether you’re repairing or upgrading your Fuel Pump, using high-quality parts is key to keeping your 2003 Cadillac DeVille looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Fuel Pump Harness, Fuel Pump Harness Connectors, and Fuel Cap Tester Adapters. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Fuel Pumps from Trusted Brands

Looking for a reliable Fuel Pump? We’ve got you covered with options from brands you know and trust like Delphi. For example, Delphi Fuel Pumps start at just $352.99 with an average 4.2 star rating. With over 3 reviews and a solid 4 star average, you can shop with confidence knowing other Cadillac DeVille owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2003 Cadillac DeVille Fuel Pump at Advance Auto Parts is around $195.24, with a range that starts at $16.99 and goes up to $400.99. With 8 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Fuel Pump Module Assembly: Fuel Pump, Sending Unit, Wiring Harness and Strainer, Fuel Pump Module Assembly: With Float Arm, Seal, Splice Kit, and 4-Way Female Gray Multi-Purpose Pigtail start at just $64.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Fuel Pump, don’t forget to check out other key components like Gas Caps and Oxygen Sensors. At Advance Auto Parts, we’re here to help you keep your 2003 Cadillac DeVille in peak condition, inside and out.

Essential 2003 Cadillac DeVille Fuel Pumps

Carquest Premium – Fuel Pump: Includes Wiring Harness (Part No.E219653)

Fuel Pump: Includes Wiring Harness

from

$55.99
Carquest Premium electric fuel pumps are engineered by Carter Fuel Systems or Agility Auto Parts to meet or exceed Original Equipment (OE) specifications for fit, form and function. Our Carquest Premium fuel pumps are built to be installed in the Original Equipment module or assembly. We have invested in industry-leading quality upgrades, like upgraded turbine impellers and 100% carbon commutators, to deliver greater reliability. Carquest Premium electric fuel pumps are engineered with superior quality components to provide the longest life and reliable performance.

Product Features:
  • Meets or exceeds OE specifications for fit, form and function
  • 100% carbon commutators provide resistance to aggressive fuels and double the life expectancy of the pump
  • OE upgraded turbine impellers greatly reduce fuel pulsation
  • All fuel pumps are 100% performance tested
See More

Carquest Premium – Mechanical Fuel Pump: Includes Gasket (Part No.260575)

Mechanical Fuel Pump: Includes Gasket

from

$27.99
Carquest Premium mechanical fuel pumps are engineered by Carter Fuel Systems or Agility Auto Parts to meet or exceed Original Equipment (OE) specifications for fit, form and function. Every mechanical fuel pump is 100% tested throughout the entire manufacturing process for worry-free performance. Carquest Premium mechanical fuel pumps include the installation gaskets needed for each application. Carquest Premium mechanical fuel pumps are engineered with superior quality components to provide the longest life and reliable performance

Product Features:
  • Meets or exceeds OE specifications for fit, form and function
  • Special heat-treated rocker arms and case-hardened pins to ensure lasting performance
  • All fuel pumps are 100% performance tested
  • Includes installation gaskets or seals where applicable
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Carquest Premium – Fuel Pump: Includes Wiring Harness (Part No.E219655)

Fuel Pump: Includes Wiring Harness

from

$72.99
Carquest Premium electric fuel pumps are engineered by Carter Fuel Systems or Agility Auto Parts to meet or exceed Original Equipment (OE) specifications for fit, form and function. Our Carquest Premium fuel pumps are built to be installed in the Original Equipment module or assembly. We have invested in industry-leading quality upgrades, like upgraded turbine impellers and 100% carbon commutators, to deliver greater reliability. Carquest Premium electric fuel pumps are engineered with superior quality components to provide the longest life and reliable performance.

Product Features:
  • Meets or exceeds OE specifications for fit, form and function
  • 100% carbon commutators provide resistance to aggressive fuels and double the life expectancy of the pump
  • OE upgraded turbine impellers greatly reduce fuel pulsation
  • All fuel pumps are 100% performance tested
See More

Carquest Premium – Mechanical Fuel Pump (Part No.3542645)

Mechanical Fuel Pump

from

$60.99
Carquest Premium mechanical fuel pumps are built to meet or exceed Original Equipment (OE) specifications for fit, form and function. Every mechanical fuel pump is 100% tested throughout the entire manufacturing process for worry-free performance. Carquest Premium mechanical fuel pumps include the installation gaskets needed for each application. Carquest Premium mechanical fuel pumps are engineered with superior quality components to provide the longest life and reliable performance.

Product Features:
  • Meets or exceeds OE specifications for fit, form and function
  • Special heat-treated rocker arms and case-hardened pins to ensure lasting performance
  • All fuel pumps are 100% performance tested
  • Includes installation gaskets or seals where applicable
See More

Carquest Premium – Mechanical Fuel Pump: Includes Gasket (Part No.1510506)

Mechanical Fuel Pump: Includes Gasket

from

$121.99
Carquest Premium mechanical fuel pumps are engineered by Carter Fuel Systems or Agility Auto Parts to meet or exceed Original Equipment (OE) specifications for fit, form and function. Every mechanical fuel pump is 100% tested throughout the entire manufacturing process for worry-free performance. Carquest Premium mechanical fuel pumps include the installation gaskets needed for each application. Carquest Premium mechanical fuel pumps are engineered with superior quality components to provide the longest life and reliable performance

Product Features:
  • Meets or exceeds OE specifications for fit, form and function
  • Special heat-treated rocker arms and case-hardened pins to ensure lasting performance
  • All fuel pumps are 100% performance tested
  • Includes installation gaskets or seals where applicable
See More

Delphi – Mechanical Fuel Pump: With Gaskets (Part No.MF0184)

Mechanical Fuel Pump: With Gaskets

from

$57.99
Delphi is a Tier 1 supplier to the majority of global vehicle manufacturers and has been a manufacturer of dependable fuel pumps and fuel delivery parts for over 80 years. With over 30 OE-proprietary innovations and 150 patents in fuel technologies, Delphi is regarded as a market leader in North American fuel management with sales coverage at over 95%. Learn more about our expert-led training programs and tech hotline at 1-877-463-3574. Visit our Resource Center for helpful tips and tricks on fuel pumps, technologies, and more: https://www.delphiautoparts.com/usa/en-US/resource-center.

Product Features:
  • Delphi is a global OE manufacturer and all fuel pumps are built to Delphi’s OE standards
  • Frame mounted mechanical unit
  • Always check the fuel filter when replacing the fuel pump
  • Gaskets included
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Delphi – Fuel Pump Module Assembly: With Float Arm, Seal, Splice Kit (Part No.FG0347)

Fuel Pump Module Assembly: With Float Arm, Seal, Splice Kit

from

$400.99
Delphi is a Tier 1 supplier to the majority of global vehicle manufacturers and has been a manufacturer of dependable fuel pumps and fuel delivery parts for over 80 years. With over 30 OE-proprietary innovations and 150 patents in fuel technologies, Delphi is regarded as a market leader in North American fuel management with sales coverage at over 95%. Learn more about our expert-led training programs and tech hotline at 1-877-463-3574. Visit our Resource Center for helpful tips and tricks on fuel pumps, technologies, and more: https://www.delphiautoparts.com/usa/en-US/resource-center.

Product Features:
  • Delphi is a global OE manufacturer and all fuel pumps are built to Delphi’s OE standards
  • Empty float height and float retention matches OE specifications and guarantees correct gas gauge reading
  • Lower amperage draws less load on vehicle’s electrical system
  • Part is validated, tested and matched to the right vehicle application
  • Always be sure to check and clean fuel tank to avoid unnecessary returns
  • Lower failure rates due to its innovative design and durability
See More

GM Genuine Parts – 4-Way Female Gray Multi-Purpose Pigtail (Part No.PT1069)

4-Way Female Gray Multi-Purpose Pigtail

from

$64.99
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
See More

Delphi – Fuel Pump Wiring Harness (Part No.FA10003)

Fuel Pump Wiring Harness

from

$16.99
Delphi is a Tier 1 supplier to the majority of global vehicle manufacturers and has been a manufacturer of dependable fuel pumps and fuel delivery parts for over 80 years. With over 30 OE-proprietary innovations and 150 patents in fuel technologies, Delphi is regarded as a market leader in North American fuel management with sales coverage at over 95%. Learn more about our expert-led training programs and tech hotline at 1-877-463-3574. Visit our Resource Center for helpful tips and tricks on fuel pumps, technologies, and more: https://www.delphiautoparts.com/usa/en-US/resource-center.

Product Features:
  • Each wire harness is designed to meet or exceed the performance of the original unit
  • Engineered with the same stringent standards applied to the parts we make for the top global OEMs
  • Delphi wire harnesses are designed and reliably work for the life of your fuel system
  • Wiring harness is designed to correct known application issues
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Carquest Premium – Fuel Cap Tester Adapter: (Part No.12410)

Fuel Cap Tester Adapter:

from

$17.79
Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.

Product Features:
  • BAR Certified adapters
  • Adapter check’s a fuel cap’s ability to hold pressure.
  • Adapters meet EPA standards for recommended fleet coverage.
  • Check adapter application chart for specific makes and models
See More

Carquest Premium – Fuel Cap Tester Adapter: (Part No.12427)

Fuel Cap Tester Adapter:

from

$34.99
Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.

Product Features:
  • BAR Certified adapters
  • Adapter check’s a fuel cap’s ability to hold pressure.
  • Adapters meet EPA standards for recommended fleet coverage.
  • Check adapter application chart for specific makes and models
See More

Carquest Premium – Fuel Cap Tester Adapter (Part No.12422)

Fuel Cap Tester Adapter

from

$39.99
Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.

Product Features:
  • BAR Certified adapters
  • Adapter check’s a fuel cap’s ability to hold pressure.
  • Adapters meet EPA standards for recommended fleet coverage.
  • Check adapter application chart for specific makes and models
See More

Most Popular Fuel Pump Harnes for 2003 Cadillac DeVilles

Enhance your 2003 Cadillac DeVille with this popular Fuel Pump Harnes we have in stock, for $16.99.

Delphi – Fuel Pump Wiring Harness (Part No.FA10003)

Fuel Pump Wiring Harness

from

$16.99
Delphi is a Tier 1 supplier to the majority of global vehicle manufacturers and has been a manufacturer of dependable fuel pumps and fuel delivery parts for over 80 years. With over 30 OE-proprietary innovations and 150 patents in fuel technologies, Delphi is regarded as a market leader in North American fuel management with sales coverage at over 95%. Learn more about our expert-led training programs and tech hotline at 1-877-463-3574. Visit our Resource Center for helpful tips and tricks on fuel pumps, technologies, and more: https://www.delphiautoparts.com/usa/en-US/resource-center.

Product Features:
  • Each wire harness is designed to meet or exceed the performance of the original unit
  • Engineered with the same stringent standards applied to the parts we make for the top global OEMs
  • Delphi wire harnesses are designed and reliably work for the life of your fuel system
  • Wiring harness is designed to correct known application issues
See More

Best-Selling 2003 Cadillac DeVille Fuel Pump Harness Connector

Upgrade your DeVille with our best-selling Fuel Pump Harness Connector.

GM Genuine Parts – 4-Way Female Gray Multi-Purpose Pigtail (Part No.PT1069)

4-Way Female Gray Multi-Purpose Pigtail

from

$64.99
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
See More

Top-Quality Fuel Cap Tester Adapters for 2003 Cadillac DeVilles

Choose a high-quality OEM or aftermarket Fuel Cap Tester Adapter for Cadillac DeVilles and enjoy top-notch performance from $39.99.

Carquest Premium – Fuel Cap Tester Adapter (Part No.12422)

Fuel Cap Tester Adapter

from

$39.99
Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.

Product Features:
  • BAR Certified adapters
  • Adapter check’s a fuel cap’s ability to hold pressure.
  • Adapters meet EPA standards for recommended fleet coverage.
  • Check adapter application chart for specific makes and models
See More

Top Picks for 2003 Cadillac DeVille Fuel Pumps

Invest in one of our 5 durable Fuel Pumps for your 2003 Cadillac, knowing you’re getting trusted brands and expert craftsmanship.

Delphi – Fuel Pump Module Assembly: With Float Arm, Seal, Splices, Wire Harness (Part No.FG0162)

Fuel Pump Module Assembly: With Float Arm, Seal, Splices, Wire Harness

from

$352.99
Delphi is a Tier 1 supplier to the majority of global vehicle manufacturers and has been a manufacturer of dependable fuel pumps and fuel delivery parts for over 80 years. With over 30 OE-proprietary innovations and 150 patents in fuel technologies, Delphi is regarded as a market leader in North American fuel management with sales coverage at over 95%. Learn more about our expert-led training programs and tech hotline at 1-877-463-3574. Visit our Resource Center for helpful tips and tricks on fuel pumps, technologies, and more: https://www.delphiautoparts.com/usa/en-US/resource-center.

Product Features:
  • Delphi is a global OE manufacturer and all fuel pumps are built to Delphi’s OE standards
  • Empty float height and float retention matches OE specifications and guarantees correct gas gauge reading
  • Lower amperage draws less load on vehicle’s electrical system
  • Part is validated, tested and matched to the right vehicle application
  • Always be sure to check and clean fuel tank to avoid unnecessary returns
  • Lower failure rates due to its innovative design and durability
See More

Carquest Premium – Fuel Pump Module Assembly: Fuel Pump, Sending Unit, Wiring Harness and Strainer (Part No.M2246744)

Fuel Pump Module Assembly: Fuel Pump, Sending Unit, Wiring Harness and Strainer

from

$169.99
Carquest Premium fuel pump modules and assemblies are engineered by Carter Fuel Systems or Agility Auto Parts to meet or exceed Original Equipment (OE) specifications for fit, form and function. We have invested in industry-leading quality improvements like upgraded turbine impellers and 100% carbon commutators to deliver greater reliability. Carquest Premium fuel pump modules are supplied with the pump strainer and gaskets or seals when required for the application. Carquest Premium fuel pump modules are engineered with superior quality components to provide the longest life and reliable performance.

Product Features:
  • Meets or exceeds OE specifications for fit, form and function
  • 100% carbon commutators provide resistance to aggressive fuels and double the life expectancy of the pump
  • OE upgraded turbine impellers greatly reduce fuel pulsation
  • All fuel pumps are 100% performance tested
  • Includes installation gaskets or seals where applicable
See More

Delphi – Fuel Pump Module Assembly: With Float Arm, Seal, Splice Kit (Part No.FG0347)

Fuel Pump Module Assembly: With Float Arm, Seal, Splice Kit

from

$400.99
Delphi is a Tier 1 supplier to the majority of global vehicle manufacturers and has been a manufacturer of dependable fuel pumps and fuel delivery parts for over 80 years. With over 30 OE-proprietary innovations and 150 patents in fuel technologies, Delphi is regarded as a market leader in North American fuel management with sales coverage at over 95%. Learn more about our expert-led training programs and tech hotline at 1-877-463-3574. Visit our Resource Center for helpful tips and tricks on fuel pumps, technologies, and more: https://www.delphiautoparts.com/usa/en-US/resource-center.

Product Features:
  • Delphi is a global OE manufacturer and all fuel pumps are built to Delphi’s OE standards
  • Empty float height and float retention matches OE specifications and guarantees correct gas gauge reading
  • Lower amperage draws less load on vehicle’s electrical system
  • Part is validated, tested and matched to the right vehicle application
  • Always be sure to check and clean fuel tank to avoid unnecessary returns
  • Lower failure rates due to its innovative design and durability
See More

GM Genuine Parts – Fuel Pump and Level Sensor Module with Seals, Floa (Part No.MU1791)

Fuel Pump and Level Sensor Module with Seals, Floa

from

$282.99
Fuel Pump and Level Sensor Module with Seals, Float, and Harness

Product Features:
  • Helps provide a reliable fuel supply to your vehicle’s engine
  • Electrical connections are designed to help eliminate high resistance due to vehicle vibration
  • Designed to optimize pump life and reduce fuel pump noise
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
See More

Dorman – Fuel Pump Module: Includes, Fuel Pump; Harness and Connectors (Part No.2630008)

Fuel Pump Module: Includes, Fuel Pump; Harness and Connectors

from

$232.99
This fuel pump module assembly matches the fit and function of the original parts in specific vehicles. Built from durable materials, this pump is designed to be reliable over a long service life.

Product Features:
  • Direct replacement – this fuel pump assembly matches the fit and function of the original equipment fuel pump on specified vehicles
  • Durable construction – this fuel pump is made of quality materials for a long service life
  • Saves money – offers original equipment quality at a competitive price
  • Quality assured – this fuel pump assembly has undergone rigorous testing to ensure reliable performance
See More

Top-Rated Fuel Pump Brands For Your 2003 Cadillac DeVille

When it comes to finding the perfect Fuel Pump for your 2003 Cadillac DeVille, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 4 trusted brands. We carry the most popular Fuel Pump brands including Delphi, and more, all known for their exceptional customer ratings (average brand rating of 4.2 stars) and competitive prices, as low as $352.99. Purchasing a Fuel Pump from us here at Advance Auto Parts is a smart move for both you and your 2003 Cadillac DeVille, providing peace of mind with parts that meet or exceed OEM standards.

Popular Delphi 2003 Cadillac DeVille Fuel Pumps

If you’re looking for a top-quality Fuel Pump for your 2003 Cadillac DeVille, Advance Auto Parts has exactly what you need with our selection of Delphi Fuel Pumps. We have 1 Delphi Fuel Pumps in stock for this fitment, all known for their durability and precision fit. With prices starting at just $352.99, you’ll find the perfect Fuel Pump for your needs and budget. Delphi Fuel Pumps for the 2003 Cadillac DeVille come highly rated, with over 1 customer reviews and an impressive average rating of 4.2 stars. Choosing a Delphi Fuel Pump from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Fuel Pump Module Assembly: With Float Arm, Seal, Splices, Wire Harness
from $352.99
(1)
Fuel Pump Module Assembly: With Float Arm, Seal, Splices, Wire Harness
“I only install OEM parts on my beloved 2001 Olds Aurora and this pump is the one that I would recommend.”

FAQs for 2003 Cadillac DeVille Fuel Pumps

What are the best-selling Fuel Pumps for 2003 Cadillac DeVilles?

Out of 8 Fuel Pumps that fit 2003 Cadillac DeVilles, the following parts are the top sellers:

What’s the price range for 2003 Cadillac DeVille Fuel Pumps?

The prices of Fuel Pumps for the 2003 Cadillac DeVille range from $16.99 up to $400.99 for the most premium parts.

What is the average price of a Fuel Pump for a 2003 Cadillac DeVille?

The average price for Fuel Pumps for the 2003 Cadillac DeVille is $195.24. Keep in mind the variety of part types within our Fuel Pump category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Fuel Pumps for other Cadillac DeVille model years?

Yes, we carry Fuel Pumps for 51 model years of Cadillac DeVilles between 1953 and 2005. The following model years are the most popular for Fuel Pump purchases: 2005, 2004, 2002, 2001, 2000, 1999, 1998, 1997, and 1996.

What are the cheapest Fuel Pumps for my 2003 Cadillac DeVille?

The cheapest 2003 Cadillac DeVille Fuel Pumps we carry are:

Does Advance Auto Parts sell Fuel Pumps for any other 2003 Cadillac models?

Yes. We stock Fuel Pumps for 4 other popular 2003 Cadillac models. Some of the most popular are 2003 Escalade Fuel Pumps, 2003 Escalade ESV Fuel Pumps, 2003 Escalade EXT Fuel Pumps, 2003 Seville Fuel Pumps, and 2003 CTS Fuel Pumps.

What are the top-rated Fuel Pumps that fit the 2003 Cadillac DeVille?

The one 2003 Cadillac DeVille Fuel Pump we have in stock is the Fuel Pump Wiring Harness. It costs $16.99.

What types of Fuel Pumps do you sell for my 2003 Cadillac DeVille?

As of 3/1/26, these are some of the most in-demand types of Fuel Pumps for a 2003 Cadillac DeVille:

Can I get help with 2003 Cadillac DeVille Fuel Pump orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Cadillac Fuel Pumps and more.

What is your return policy for Cadillac DeVille Fuel Pumps?

Advance Auto Parts keeps returns simple. For new Cadillac DeVille Fuel Pumps and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.