1978 GMC G-Series Fuel System Parts
Select Your Submodel
-
ACDelco®Professional™ Carburetor Idle Stop SolenoidGMC G-Series 1978, Professional™ Carburetor Idle Stop Solenoid by ACDelco®. With Bracket. Spade Terminal Connector. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$79.86 - Standard®Carburetor Idle Stop SolenoidGMC G-Series 1978, Carburetor Idle Stop Solenoid by Standard®. 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$71.07 - $82.46
- Fel-Pro®Carburetor Choke Tube GasketGMC G-Series 1978, Carburetor Choke Tube Gasket by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global engineering resources, the gaskets...Direct OEM replacement for a proper fitEnsures reliable sealing performance$1.75
- Walker Products®Carburetor Choke ThermostatGMC G-Series with Carburetor Model: M4MC, Carburetor Manufacturing: R-4 1978, Carburetor Choke Thermostat by Walker Products®. With their extensive selection of accessories and hardware for the exhaust system, Walker Products will...Makes installation quick and easyOptimal OE-style fit and quality$25.15
- Walker Products®Primary Carburetor FloatGMC G-Series 1978, Primary Carburetor Float 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$6.87 - $12.54
- Hygrade®Accelerator Pump DiaphragmGMC G-Series With Holley Carburetor 1978, Accelerator Pump Diaphragm by Hygrade®. Check Valve. 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...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$2.18
- Hygrade®Carburetor Needle and SeatGMC G-Series 1978, Carburetor Needle and Seat by Hygrade®. 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...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$7.93
- Hygrade®Primary Carburetor Choke Pull-OffGMC G-Series With Rochester Carburetor 1978, Primary Carburetor Choke Pull-Off by Hygrade®. 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...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$20.93 - $30.02
- Mahle®Carburetor Mounting GasketGMC G-Series 1978, Carburetor Mounting Gasket by Mahle®. 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...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$5.17 - $6.06
- AED Performance®Accelerator Pump Cam KitGMC G-Series 5.7L Holley Model Carburetor 1978, Accelerator Pump Cam Kit by AED Performance®. Proudly made in the USA, premium AED Performance products are what you need to ensure the reliable performance of your vehicle. They are...High quality at an affordable priceExpertly made from premium materials$19.93
- AED Performance®Carburetor Accelerator Pump KitGMC G-Series 1978, Carburetor Accelerator Pump Kit by AED Performance®. Proudly made in the USA, premium AED Performance products are what you need to ensure the reliable performance of your vehicle. They are manufactured using...High quality at an affordable priceExpertly made from premium materials$35.93 - $53.27
- AED Performance®Carburetor Rebuild KitGMC G-Series 5.7L 1978, Carburetor Rebuild Kit by AED Performance®. Designed with big speed fans in mind, this mind-blowing fuel system upgrade will help you maximize engine performance and fuel efficiency. It’s easy to install and...Top-grade fuel system upgrade that will take your driving to the next levelDesigned to help you maximize your vehicle’s fuel system efficiency$65.27 - $78.60
- AED Performance®Carburetor Rebuild KitGMC G-Series 5.7L 1978, Carburetor Rebuild Kit by AED Performance®. Proudly made in the USA, premium AED Performance products are what you need to ensure the reliable performance of your vehicle. They are manufactured using high-quality...AED"s 4190 rebuild kit includes all the components to successfully rebuild and restore your Carter 9000 series and Edelbrock Performer series carburetors to their original conditionAED makes the rebuilding process easy and convenient by including all the gaskets, needle and seats, clips and accessories, accelerator pump, and instructions in one complete kit$38.60 - $83.93
- AED Performance®Carburetor Vacuum Secondary Spring Tuning KitGMC G-Series 5.7L Holley Model Carburetor 1978, Carburetor Vacuum Secondary Spring Tuning Kit by AED Performance®. Proudly made in the USA, premium AED Performance products are what you need to ensure the reliable performance of your...High quality at an affordable priceExpertly made from premium materials$30.60
- AED Performance®High Flow Carburetor Power ValveGMC G-Series 5.7L Holley Model Carburetor 1978, High Flow Carburetor Power Valve by AED Performance®. Proudly made in the USA, premium AED Performance products are what you need to ensure the reliable performance of your vehicle. They...High quality at an affordable priceExpertly made from premium materials$9.99 - $93.32
- AED Performance®Jet Change Gasket KitGMC G-Series 5.7L Holley 4150 Model Carburetor 1978, Jet Change Gasket Kit by AED Performance®. Proudly made in the USA, premium AED Performance products are what you need to ensure the reliable performance of your vehicle. They are...High quality at an affordable priceExpertly made from premium materials$13.27
- AED Performance®Needle and Seat GasketsGMC G-Series 5.7L Holley Model Carburetor 1978, Needle and Seat Gaskets by AED Performance®. Proudly made in the USA, premium AED Performance products are what you need to ensure the reliable performance of your vehicle. They are...High quality at an affordable priceExpertly made from premium materials$5.99
- Trans-Dapt®Carburetor to TBI Adapter KitGMC G-Series Chevy Small Block 1978, Carburetor to TBI Adapter Kit by Trans-Dapt®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the highest...Built to match your exact requirementsHigh quality you can rely on$49.94 - $56.08
- Lucas Oil®Fuel TreatmentUniversal Fuel Treatment by Lucas Oil®. Quantity: 1 Piece. A powerful blend of oils and additives that contain no SOLVENTS. Designed to increase power and fuel mileage and also lower exhaust emissions through a more complete combustion.A great tune-up in a bottleCleans and lubricates the fuel system$5.49 - $30.99
- Lucas Oil® 10003Fuel TreatmentUniversal Fuel Treatment (10003) by Lucas Oil®. Volume: 1 qt (32 oz). Quantity: 1 Piece. A powerful blend of oils and additives that contain no SOLVENTS. Designed to increase power and fuel mileage and also lower exhaust emissions...A great tune-up in a bottleCleans and lubricates the fuel system$12.99
- Lucas Oil® 10013Fuel TreatmentUniversal Fuel Treatment (10013) by Lucas Oil®. Volume: 1 gal (128 oz). Quantity: 1 Piece. A powerful blend of oils and additives that contain no SOLVENTS. Designed to increase power and fuel mileage and also lower exhaust emissions...A great tune-up in a bottleCleans and lubricates the fuel system$30.99
- Lucas Oil® 10020Fuel TreatmentUniversal Fuel Treatment (10020) by Lucas Oil®. Volume: 5.25 oz. Quantity: 1 Piece. A powerful blend of oils and additives that contain no SOLVENTS. Designed to increase power and fuel mileage and also lower exhaust emissions through a...A great tune-up in a bottleCleans and lubricates the fuel system$5.49
- Davico®2 Step Induction Kit2 Step Induction Kit by Davico®. A specially designed kit for Davico Manufacturing including the “Sledgehammer” Fuel System Ultra Treatment and the “Sledgehammer” RID Rapid Induction Deposit cleaner. This LOW VOC Compliant...Helps to keep Catalytic Converters free of carbon and sootMaintains Catalytic Converters efficiency$30.52
- Motorcraft®Cetane BoosterCetane Booster by Motorcraft®. Motorcraft is the way to restore the performance of your vehicle. Designed specifically for your vehicle, Motorcraft products meet stringent Ford Motor Company standards and feature OEM quality without the...OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price$4.99
- Motorcraft®Cetane Booster and Performance ImproverCetane Booster and Performance Improver by Motorcraft®. Motorcraft is the way to restore the performance of your vehicle. Designed specifically for your vehicle, Motorcraft products meet stringent Ford Motor Company standards and...OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price$7.60 - $41.57
- Lucas Oil®Octane BoosterUniversal Octane Booster by Lucas Oil®. Quantity: 1 Piece. Lucas Octane Booster - A Real Octane Booster! Tested and proven to deliver three times more boost than most other brands. Lucas Octane Booster is a GENUINE Performance Enhancer!...Safe for turbos, oxygen sensors and catalytic convertersSuitable for use in fuel injected and carbureted engines$2.63 - $8.51
- AllStar Performance®4 oz Fuel FragranceUniversal 4 oz. Fuel Fragrance by AllStar Performance®. Fuel fragrances can be added to most types of fuels including methanol, nitromethane, gasoline and also may be used in 2-cycle mixtures. Available in many scents in a resealable 4...Precise manufacturing and high-grade materialsExceptional performance at a competitive price$14.99
- Royal Purple®Max-Clean™ Fuel System Cleaner & StabilizerUniversal Max-Clean™ Fuel System Cleaner & Stabilizer by Royal Purple®. 20 oz. Royal Purple's Max-Clean is a state-of-the-art synthetic fuel system cleaner and fuel injector cleaner that deeply penetrates and cleans injectors,...Improve fuel economy an average of 3.2 percentRestore horsepower an average of 2.6 percent$11.99 - $71.77
- Motorcraft®Diesel Anti-Gel and Performance ImproverDiesel Anti-Gel and Performance Improver by Motorcraft®. Motorcraft is the way to restore the performance of your vehicle. Designed specifically for your vehicle, Motorcraft products meet stringent Ford Motor Company standards and...OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price$4.38 - $34.48
- Lucas Oil®Anti-Gel Cold Weather Diesel TreatmentUniversal Anti-Gel Cold Weather Diesel Treatment by Lucas Oil®. Quantity: 1 Piece. Product is specifically designed to prevent cold filter plugging in diesel and bio-diesel fuels. Manufactured with the highest quality components to...Contains Real water dispersants to effectively remove moisture from the entire fuel systemLowers the cold filter plugging point of ULSD and Biofuels$7.86 - $13.54
Shop By Service Type
Popular Products
1978 GMC G-Series Models
Popular Searches