2003 Buick Century Fuel Pumps

Keep Your 2003 Buick Century 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 Buick Century looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Fuel Cap Tester Adapters, Fuel Pump Harness, and Fuel Pumps. 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 GM Genuine and Delphi. For example, GM Genuine Fuel Pumps start at just $28.49 with an average 4.5 star rating. Delphi offer similar pricing and quality, backed by strong customer feedback. With over 20 reviews and a solid 4 star average, you can shop with confidence knowing other Buick Century owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2003 Buick Century Fuel Pump at Advance Auto Parts is around $137.34, with a range that starts at $16.99 and goes up to $348.99. With 10 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like Engine Oil Pressure Switch, Fuel Pump and Level Sensor Module with Seal, Float, and Fuel Pump Module Assembly: Fuel Pump, Sending Unit and Strainer start at just $28.49 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 Buick Century in peak condition, inside and out.

Essential 2003 Buick Century Fuel Pumps

Delphi – Fuel Pump Wiring Harness (Part No.FA10004)

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

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

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 – Multi-Use Connector (Part No.PTA1224)

Multi-Use Connector

from

$33.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More

Delphi – Fuel Pump and Strainer Set: With Insulating Sleeve, Hose Clamps, Splices, 2-Wires w/Connector (Part No.FE0157)

Fuel Pump and Strainer Set: With Insulating Sleeve, Hose Clamps, Splices, 2-Wires w/Connector

from

$70.99
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
  • Delphi pumps are designed to operate under extreme temperatures with quick engine starts and to avoid low-fuel hesitation, including alcohol fuels and blends
  • Improved pump performance as a result of Delphi’s innovative design and durability
  • Restores fast pressure performance and system integrity, translating to better pumping through less energy
  • Part is validated, tested and matched to the right vehicle application
  • When servicing the fuel system, always check the fuel filter for possible replacement
  • Always be sure to check and clean fuel tank to avoid unnecessary returns
  • Always replace the fuel strainer when doing a fuel pump repair
See More

Carquest Premium – Mechanical Fuel Pump 3542629: Includes Gasket (Part No.3542629)

Mechanical Fuel Pump 3542629: Includes Gasket

from

$25.99
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

Holley – Mechanical Fuel Pump (Part No.12-327-13)

Mechanical Fuel Pump

from

$181.99
Mechanical fuel pump made from heavy duty construction for continuous high RPM operation. Fuel body casting can be rotated to accommodate various plumbing situations. Fuel pressure regulator is not required.

Product Features:
  • High Output Fuel Flow
  • Flows 130 gph Free Flow
  • Shutoff Pressure Pre-Set From 7.5 To 9 PSI
  • Fuel Pressure Regulator Required Recommend P/N 12-704
  • Heavy Duty Construction For Continuous High rpm Operation
  • Redesigned High Flow Valves Ensure Adequate Fuel Delivery
  • Fuel Body Casting Can Be Rotated For Plumbing Situations
  • Inlet And Outlet Tapped For 3/8 in. NPT
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KAI – Electric Fuel Pump (Part No.FMD010049)

Electric Fuel Pump

from

$56.99
New Platinum Pro Electric Fuel Pump, Digital Dash, New Strainer Required For Warranty

Product Features:
  • Digital Dash
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

Carquest Premium – Mechanical Fuel Pump 2541128: Includes Gasket (Part No.2541128)

Mechanical Fuel Pump 2541128: Includes Gasket

from

$32.99
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

Delphi – Electric Fuel Pump: With Hose Clamps & Piece, Isolator, Seals, Terminal Hardware (Part No.FE0039)

Electric Fuel Pump: With Hose Clamps & Piece, Isolator, Seals, Terminal Hardware

from

$83.99
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
  • Delphi pumps are designed to operate under extreme temperatures with quick engine starts and to avoid low-fuel hesitation, including alcohol fuels and blends
  • Improved pump performance as a result of Delphi’s innovative design and durability
  • Restores fast pressure performance and system integrity, translating to better pumping through less energy
  • Part is validated, tested and matched to the right vehicle application
  • Lower amperage draws less load on vehicle’s electrical system
  • Always be sure to check and clean fuel tank to avoid unnecessary returns
  • Always replace the fuel strainer when doing a fuel pump repair
See More

Carquest Premium – Fuel Pump: Includes Wiring Harness (Part No.E219662)

Fuel Pump: Includes Wiring Harness

from

$29.99
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 – Fuel Pump Includes Wiring Harness (Part No.E219651)

Fuel Pump Includes Wiring Harness

from

$48.99
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 – 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

Delphi – Fuel Pump Module Assembly: With Float Arm, Seal, Splice Kit (Part No.FG0342)

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

from

$331.99
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: Includes Wiring Harness (Part No.E219654)

Fuel Pump: Includes Wiring Harness

from

$58.99
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

GM Genuine Parts – Engine Oil Pressure Switch (Part No.D1834A)

Engine Oil Pressure Switch

from

$28.49
The Fuel Pump and Engine Oil Pressure Indicator Switch is a GM-recommended replacement for your vehicle’s original component. When our vehicle is low on oil, the engine oil pressure indicator switch will light up the corresponding indicator on your instrument panel. In certain applications, the engine oil pressure indicator switch will power up your fuel pump if the fuel pump relay is defective. This original equipment fuel pump and engine oil pressure indicator switch has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Work with vehicle electronics to help optimize vehicle capabilities
  • 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

Most Popular Fuel Cap Tester Adapter for 2003 Buick Centuries

Enhance your 2003 Buick Century with this popular Fuel Cap Tester Adapter we have in stock, for $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

Best-Selling 2003 Buick Century Fuel Pump Harnes

Upgrade your Century with our best-selling Fuel Pump Harnes.

Delphi – Fuel Pump Wiring Harness (Part No.FA10004)

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

Top-Quality Fuel Pumps for 2003 Buick Centuries

Choose a high-quality OEM or aftermarket Fuel Pump for Buick Centuries and enjoy top-notch performance from $105.99.

Delphi – Fuel Pump Module Assembly: With Float Arm, Seal, Splices, Wire Harness (Part No.FG0111)

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

from

$348.99
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 Seal, Float (Part No.MU1743)

Fuel Pump and Level Sensor Module with Seal, Float

from

$334.99
Fuel Pump and Level Sensor Module with Seal, 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
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Carquest Premium – Fuel Pump Module Assembly (Part No.E3542M)

Fuel Pump Module Assembly

from

$251.99
Please note: Advance Auto Parts is proud to carry comparable exact-fit parts from multiple vendors, as such, the item you receive may be one of two quality brands. Both brands meet the same fitment requirements and are equal in their performance and specifications. Carquest or Airtex fuel pump modules offer OEM or better performance from an Original Equipment Supplier. The latest advancements in fuel delivery technology are built-in to every Carquest or Airtex Fuel Pump to deliver greater reliability.

Product Features:
  • All Carquest fuel pumps are designed to meet or exceed OE specs and are 100% tested to ensure performance and long-life.
  • High-efficiency turbine technology provides quiet and precise fuel delivery
  • Carbon commutator technology provides improved durability and robust performance for gasoline and flexible fuel
  • Carquest fuel pump features external rubber feet for enhanced stability and reduced noise from vibration.
  • Carquest Fuel Pump has modified return porting to increase flow resulting in lower failure rates. Upgraded convoluted tubing improves durability to resist tube wear failure and create longer life.
See More

Carquest Premium – Fuel Pump Module Assembly: Fuel Pump, Sending Unit and Strainer (Part No.M2246742)

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

from

$105.99
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

Carquest Premium – Fuel Pump Module Assembly: Fuel Pump, Sending Unit and Strainer (Part No.M2510463)

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

from

$105.99
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

Carquest Premium – Fuel Pump Module Assembly: Fuel Pump, Sending Unit, Wiring Harness and Strainer (Part No.M3520850)

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

from

$105.99
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

Our Top Pick for a 2003 Buick Century Fuel Pump and Engine Oil Pressure Indicator Switch

Invest in a durable Fuel Pump and Engine Oil Pressure Indicator Switch for your 2003 Buick, knowing you’re getting trusted brands and expert craftsmanship.

GM Genuine Parts – Engine Oil Pressure Switch (Part No.D1834A)

Engine Oil Pressure Switch

from

$28.49
The Fuel Pump and Engine Oil Pressure Indicator Switch is a GM-recommended replacement for your vehicle’s original component. When our vehicle is low on oil, the engine oil pressure indicator switch will light up the corresponding indicator on your instrument panel. In certain applications, the engine oil pressure indicator switch will power up your fuel pump if the fuel pump relay is defective. This original equipment fuel pump and engine oil pressure indicator switch has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Work with vehicle electronics to help optimize vehicle capabilities
  • 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

Our Fuel Pump Harness Connectors for 2003 Buick Centuries

Make a smart move for your 2003 Buick Century with our Fuel Pump Harness Connector for $33.99.

Carquest Premium – Multi-Use Connector (Part No.PTA1224)

Multi-Use Connector

from

$33.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More

Top-Rated Fuel Pump Brands For Your 2003 Buick Century

When it comes to finding the perfect Fuel Pump for your 2003 Buick Century, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 3 trusted brands. We carry the most popular Fuel Pump brands including GM Genuine and Delphi, and more, all known for their exceptional customer ratings (average brand rating of 4.5 stars) and competitive prices, as low as $28.49. Purchasing a Fuel Pump from us here at Advance Auto Parts is a smart move for both you and your 2003 Buick Century, providing peace of mind with parts that meet or exceed OEM standards.

Popular GM Genuine 2003 Buick Century Fuel Pumps

If you’re looking for a top-quality Fuel Pump for your 2003 Buick Century, Advance Auto Parts has exactly what you need with our selection of GM Genuine Fuel Pumps. We have 2 GM Genuine Fuel Pumps in stock for this fitment, all known for their durability and precision fit. With prices starting at just $28.49 and an average cost of $181.74, you’ll find the perfect Fuel Pump for your needs and budget. GM Genuine Fuel Pumps for the 2003 Buick Century come highly rated, with over 3 customer reviews and an impressive average rating of 4.5 stars. Choosing a GM Genuine Fuel Pump from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Engine Oil Pressure Switch
from $28.49
(2)
Engine Oil Pressure Switch
“Had a code P1189 on my 2003 Pontiac Montana and this fixed the problem!”
Fuel Pump and Level Sensor Module with Seal, Float
from $334.99
(1)
Fuel Pump and Level Sensor Module with Seal, Float
“After going back to the store because this part didn’t come with a strainer, the parts guy said they were sold seperate. Then another employee said t”

Top-Quality Delphi 2003 Buick Century Fuel Pumps

For those in search of a high-quality Fuel Pump for their 2003 Buick Century, Advance Auto Parts offers a great selection of Delphi Fuel Pumps. With 1 Delphi Fuel Pumps in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Fuel Pumps start at just $348.99, giving you a range of options to suit your budget. Backed by over 1 customer ratings and an average rating of 4.2 stars, Delphi Fuel Pumps provide both reliability and excellent performance. Choosing a Delphi Fuel Pump from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Fuel Pump Module Assembly: With Float Arm, Seal, Splices, Wire Harness
from $348.99
(1)
Fuel Pump Module Assembly: With Float Arm, Seal, Splices, Wire Harness
“Finally a car manufacturer made it simple to replace the fuel filter in the tank. My husband and I replaced the fuel filter in my 2002 Monte Carlo wi”

FAQs for 2003 Buick Century Fuel Pumps

What are the best-selling Fuel Pumps for 2003 Buick Centuries?

Out of 10 Fuel Pumps that fit 2003 Buick Centuries, the following parts are the top sellers:

What’s the price range for 2003 Buick Century Fuel Pumps?

The prices of Fuel Pumps for the 2003 Buick Century range from $16.99 up to $348.99 for the most premium parts.

What is the average price of a Fuel Pump for a 2003 Buick Century?

The average price for Fuel Pumps for the 2003 Buick Century is $137.34. 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 Buick Century model years?

Yes, we carry Fuel Pumps for 35 model years of Buick Centuries between 1955 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 Buick Century?

The cheapest 2003 Buick Century Fuel Pumps we carry are:

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

Yes. We stock Fuel Pumps for 3 other popular 2003 Buick models. Some of the most popular are 2003 Regal Fuel Pumps, 2003 LeSabre Fuel Pumps, 2003 Park Avenue Fuel Pumps, and 2003 Rendezvous Fuel Pumps.

What are the top-rated Fuel Pumps that fit the 2003 Buick Century?

Based on 20 reviews by customers, our 2003 Buick Century Fuel Pumps have an average customer rating of 4 stars. These are the highest-rated categories of Fuel Pumps for the 2003 Buick Century and their top-rated products:

What types of Fuel Pumps do you sell for my 2003 Buick Century?

As of 11/2/25, these are some of the most in-demand types of Fuel Pumps for a 2003 Buick Century:

Can I get help with 2003 Buick Century Fuel Pump orders?

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

What is your return policy for Buick Century Fuel Pumps?

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