1981 Buick Century Fuel System Parts
Select Your Submodel
-
Replace®Fuel Tank Sending UnitBuick Century 1981, Fuel Tank Sending Unit by Replace®. The fuel gauge sending unit is mounted in the fuel tank. A faulty sending unit will not enable the dash gauge to indicate the correct amount of fuel in the tank; with obvious...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$53.02 - $112.26 - Spectra Premium®Fuel Tank Sending UnitBuick Century 1981, Fuel Tank Sending Unit by Spectra Premium®. Not Includes: Fuel Pump Not Included. Replace your damaged fuel tank sending unit with this premium product to ensure that your dash gauge indicates the correct amount of...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$58.73 - $58.79
- Dorman®OE Solutions™ Fuel Tank Sending Unit Without PumpBuick Century 1981, OE Solutions™ Fuel Tank Sending Unit Without Pump by Dorman®. This fuel tank sending unit is designed to match the fit and function of the original unit on specified applications. Made of quality materials, it is...Direct replacement - this fuel tank sending unit is designed to match the fit and function of the original unit on specified applicationsRestores functionality - reliable replacement for an original part that has failed due to internal sensor failure$61.32
- USMW Professional Series®Mechanical Fuel PumpBuick Century 1981, Mechanical Fuel Pump by USMW Professional Series®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$15.02
- TRQ®Fuel Tank Sending UnitBuick Century 1981, Fuel Tank Sending Unit by TRQ®. With 3 Outlets. If you’ve noticed your fuel gauge isn’t working correctly, this can be caused by a faulty fuel tank sending unit that needs to be replaced, and this is where the...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$52.75$54.95Save $2.20 (4%)
- Agility®Passenger Side Fuel PumpBuick Century Without PZEV Emissions 1981, Passenger Side Fuel Pump by Agility®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$14.29
- Uremco®Remanufactured CarburetorBuick Century 3.8L with E2ME Carburetor, Closed Loop Carburetor 1981, Remanufactured Carburetor by Uremco®. 1 Piece. Looking to find a carburetor for your old antique car, truck or even tractor? UREMCO can help with Uremco Rebuild &...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$435.14
- Fast®EZ-EFI® Self-Tuning Engine Management System with Wideband Closed LoopBuick Century 5.0L 1981, EZ-EFI® Self-Tuning Engine Management System with Wideband Closed Loop by Fast®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts. Manufactured using the highest...No laptop or tuning experience required (Setup Wizard guides start-up & system tunes itself)4150 throttle body works with original carb-style throttle linkage$762.95
- Dorman®OE Solutions™ Fuel TankBuick Century 1981, OE Solutions™ Fuel Tank by Dorman®. This replacement fuel tank is precision-engineered to match the fit and function of the original fuel tank on specified vehicles.Reliable replacement - this fuel tank directly replaces the original fuel tank on specified vehicle years, makes and modelsDurable construction - this fuel tank is made from the same rugged materials as the original part for dependable service$171.04 - $209.61
- Spectra Premium®Fuel TankBuick Century 1981, Fuel Tank by Spectra Premium®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy,...Designed for use with gasoline containing up to 20% ethanol (E20) and diesel containing up to 5% bio diesel (B5)Meets or exceeds manufacturer's specifications$28.29 - $234.87
- TRQ®Fuel TankBuick Century 1981, Fuel Tank by TRQ®. This superior-grade replacement fuel tank is sized and shaped just like the OEM to ensure a proper fit with no modifications for ease of installation. It will store the same amount of fuel needed...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$179.40 - $224.02$184.95 - $230.95Save 3%
- Replace®Fuel TankBuick Century 1981, Fuel Tank by Replace®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy, no-hassle...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$24.10 - $324.42
- Hypertech®REACT™ Throttle OptimizerBuick Century 3.8L 1981, REACT™ Throttle Optimizer by Hypertech®. REACT™ is Hypertech’s innovative new throttle optimizer which combines Hypertech’s history of award-winning Engineering and exciting performance. The REACT offers...Top-grade fuel system upgrade that will take your driving to the next levelDesigned to help you maximize your vehicle’s fuel system efficiency$329.00
- Gates®Locking Fuel Tank CapBuick Century 1981, Locking Fuel Tank Cap by Gates®. Comes with two keys. Keyed-alike caps available on special order. Expertly designed with top-of-the-line technology to outdo the competition, this one-of-a-kind product will surpass...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$15.59
- ACDelco®Genuine GM Parts™ Fuel FilterBuick Century 1981, Genuine GM Parts™ Fuel Filter by ACDelco®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$18.97
- Spectra Premium®Fuel Tank Strap KitBuick Century 1981, Fuel Tank Strap Kit by Spectra Premium®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will...Designed to keep your fuel tank in placeSame quality as OE for less money$28.29 - $31.47
- TRQ®Fuel Injection Idle Air Control ValveBuick Century 3.8L / 4.3L 1981, Fuel Injection Idle Air Control Valve by TRQ®. When it comes to replacing fuel injectors, you can trust the high-quality replacement solution from TRQ to get the job done right. Each TRQ fuel injector is...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$64.94$66.95Save $2.01 (3%)
- Gates®Replacement Fuel Tank CapBuick Century 1981, Replacement Fuel Tank Cap by Gates®. Expertly designed with top-of-the-line technology to outdo the competition, this one-of-a-kind product will surpass your highest expectations. It was made using first-rate...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$7.51 - $25.03
- ACDelco®GM Original Equipment™ Fuel Tank CapBuick Century 1981, GM Original Equipment™ Fuel Tank Cap by ACDelco®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$17.01 - $34.10
- MotoRad®Fuel Tank CapBuick Century 1981, Fuel Tank Cap by MotoRad®. MotoRad fuel caps are designed and manufactured to prevent fuel loss, primarily through evaporation. A faulty or leaky fuel cap emit up-to 30 gallons of fuel per year in to the atmosphere....Prevents leakingPrevent fuel loss through evaporation$4.75 - $15.70
- Dorman®OE Solutions™ Fuel Tank StrapsBuick Century 1981, OE Solutions™ Fuel Tank Straps by Dorman®. Recommended for replacement whenever the fuel tank is replaced or serviced, this strap is a direct replacement for the original. Manufactured from durable materials to...Direct replacement - this fuel tank strap matches the fit, function and performance of the original partIdeal solution - recommended for replacement when the fuel tank is serviced or replaced$23.83
- WIX®Complete In-Line Fuel FilterBuick Century 5.7L THM200C/MV9 Transmission / THM350 Transmission Canada Built 1981, Complete In-Line Fuel Filter by WIX®. Box Type. The fuel filter is often the forgotten filter. Yet the fuel put into diesel and off-road equipment,...Provides highly efficient and unmatched fuel cleansing performanceProtects advanced fuel injection systems from contaminants$25.18
- Standard®Throttle Position SensorBuick Century 1981, Throttle Position Sensor by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...Each Standard® sensor is a direct-fit replacement sensor that restores proper information transfer to the ECU on throttle position providing efficient fuel economy and engine performanceEach Standard® throttle position sensor features quality construction that promotes accurate communication of throttle valve angle to the vehicles computer, resulting in improved performance$32.96
- Spectra Premium®Fuel Tank Lock RingBuick Century 1981, Fuel Tank Lock Ring by Spectra Premium®. Every time you replace the fuel tank or fuel pump module, don't forget to change the fuel tank lock ring that secures the fuel pump module to the fuel tank. With OE design,...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$4.93
- Hygrade®Carburetor Repair KitBuick Century 1981, Carburetor Repair Kit by Hygrade®. Rebuilding a carburetor can be an economical alternative to buying a new part. This kit includes all required hardware for a complete repair. The product is designed for your...Direct replacementSaves you money and restores your carburetor$20.43 - $43.21
- Baldwin Filters®Fuel FilterBuick Century 1981, Fuel Filter by Baldwin Filters®. This first-rate American-made product is the winning choice for performance-minded racers. Made with craftsmanship and high-tech machinery by highly skilled engineers, it leapfrogs...Designed to meet or exceed OE StandardsSynthetic cellulose media designed to increase efficiency, durability and contaminant-holding capacity$4.29
- Gates®Pre-Release Non-Locking Fuel Tank CapBuick Century 1981, Pre-Release Non-Locking Fuel Tank Cap by Gates®. Expertly designed with top-of-the-line technology to outdo the competition, this one-of-a-kind product will surpass your highest expectations. It was made using...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$10.29
- TRQ®Fuel Tank Strap SetBuick Century 1981, Fuel Tank Strap Set by TRQ®. Whether you need to replace the fuel tank strap that has worn out or during fuel tank replacement or service, go with this reliable TRQ fuel tank strap to make it right. This strap is...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$44.60$46.95Save $2.35 (5%)
- Walker Products®Throttle Position SensorBuick Century 1981, Throttle Position Sensor by Walker Products®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$31.23 - $36.24
- ACDelco®Professional™ Fuel Pump Cut-Off SwitchBuick Century With Electric Fuel Pump 1981, Professional™ Fuel Pump Cut-Off Switch by ACDelco®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$93.57
Shop By Service Type
Popular Products
1981 Buick Century Models
Popular Searches