1979 Jeep J20 Fuel Pumps

Keep Your 1979 Jeep J20 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 1979 Jeep J20 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Fuel Cap Tester Adapters 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.

Explore Related Parts

While you’re upgrading or replacing your Fuel Pump, don’t forget to check out other key components like Exhaust Gas Recirculation (EGR) Parts and Gas Caps. At Advance Auto Parts, we’re here to help you keep your 1979 Jeep J20 in peak condition, inside and out.

Essential 1979 Jeep J20 Fuel Pumps

Carquest Premium – Mechanical Fuel Pump 2541125: Includes Gasket (Part No.2541125)

Mechanical Fuel Pump 2541125: Includes Gasket

from

$41.99
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

Crown Auto Jeep Replacmnt – Gasoline, With Rear Inlet Fitting (Part No.J3228191)

Gasoline, With Rear Inlet Fitting

from

$62.99
Crown Automotive continues to be the leader in quality replacement parts for Jeep(R) vehicles. Crown has the largest stock of replacement parts for Jeep(R) vehicles, including factory discontinued parts. In fact, many of the older Jeeps are still on (and off) the road thanks to Crown parts. The Crown line consists of axle, body, brake, clutch, cooling, driveline, electrical, engine, exhaust, fuel, steering, suspension, transmission And transfer case components. Crown Automotive also offers an exclusive line of component kits And accessory products.

Product Features:
  • Manufactured From High Quality Material
  • Engineered To The Specifications
  • Meets The Quality Standards
  • Designed For Performance And Durability
  • Easy To Install
See More

Carquest Premium – Mechanical Fuel Pump 3496421: Includes Gasket (Part No.3496421)

Mechanical Fuel Pump 3496421: Includes Gasket

from

$23.99
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

Mr. Gasket – Electric Fuel Pump (Part No.12S)

Electric Fuel Pump

from

$69.99
Gravity fed type pump with simple two-wire design. Works on 12 Volt negative ground systems only. Includes fittings and mounting hardware along with easy to follow DIY instructions. Pumps require approximately one amp average draw at maximum delivery. Flows 35 GPH (gallons per hours at 4-7 PSI (pounds per square inch). Universal design for most domestic 4, 6, & 8-cylinder carburetor applications.

Product Features:
  • Solid-state Worry Free Electronics
  • Internal Pressure Regulating
  • Universal Design Allows For Easy Installation
  • No DiaphraGMs Or Mechanical Parts To Wear Out
  • They Make An Excellent Fuel Transfer or Booster Pump
  • Not designed for use on aircraft of any type.
  • Hose Barbs Fit 5/16″ Fuel Hose
  • Self-priming, 2 wire design
  • Eliminates vapor lock and flooding
See More

Carquest Premium – Fuel Cap Tester Adapter (Part No.12403)

Fuel Cap Tester Adapter

from

$29.49
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 Cap Tester Adapter for 1979 Jeep J20s

Enhance your 1979 Jeep J20 with this popular Fuel Cap Tester Adapter we have in stock, for $29.49.

Carquest Premium – Fuel Cap Tester Adapter (Part No.12403)

Fuel Cap Tester Adapter

from

$29.49
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 1979 Jeep J20 Fuel Pumps

Upgrade your J20 with one of our 3 best-selling Fuel Pumps, earning an average 2.5 stars rating across 37 reviews.

Mr. Gasket – Electric Fuel Pump (Part No.12S)

Electric Fuel Pump

from

$69.99
Gravity fed type pump with simple two-wire design. Works on 12 Volt negative ground systems only. Includes fittings and mounting hardware along with easy to follow DIY instructions. Pumps require approximately one amp average draw at maximum delivery. Flows 35 GPH (gallons per hours at 4-7 PSI (pounds per square inch). Universal design for most domestic 4, 6, & 8-cylinder carburetor applications.

Product Features:
  • Solid-state Worry Free Electronics
  • Internal Pressure Regulating
  • Universal Design Allows For Easy Installation
  • No DiaphraGMs Or Mechanical Parts To Wear Out
  • They Make An Excellent Fuel Transfer or Booster Pump
  • Not designed for use on aircraft of any type.
  • Hose Barbs Fit 5/16″ Fuel Hose
  • Self-priming, 2 wire design
  • Eliminates vapor lock and flooding
See More

Carquest Premium – Mechanical Fuel Pump 3496421: Includes Gasket (Part No.3496421)

Mechanical Fuel Pump 3496421: Includes Gasket

from

$23.99
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

Crown Auto Jeep Replacmnt – Gasoline, With Rear Inlet Fitting (Part No.J3228191)

Gasoline, With Rear Inlet Fitting

from

$62.99
Crown Automotive continues to be the leader in quality replacement parts for Jeep(R) vehicles. Crown has the largest stock of replacement parts for Jeep(R) vehicles, including factory discontinued parts. In fact, many of the older Jeeps are still on (and off) the road thanks to Crown parts. The Crown line consists of axle, body, brake, clutch, cooling, driveline, electrical, engine, exhaust, fuel, steering, suspension, transmission And transfer case components. Crown Automotive also offers an exclusive line of component kits And accessory products.

Product Features:
  • Manufactured From High Quality Material
  • Engineered To The Specifications
  • Meets The Quality Standards
  • Designed For Performance And Durability
  • Easy To Install
See More

FAQs for 1979 Jeep J20 Fuel Pumps

What are the best-selling Fuel Pumps for 1979 Jeep J20s?

Out of 4 Fuel Pumps that fit 1979 Jeep J20s, the following parts are the top sellers:

What’s the price range for 1979 Jeep J20 Fuel Pumps?

The prices of Fuel Pumps for the 1979 Jeep J20 range from $23.99 up to $69.99 for the most premium parts.

What is the average price of a Fuel Pump for a 1979 Jeep J20?

The average price for Fuel Pumps for the 1979 Jeep J20 is $46.62. 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 Jeep J20 model years?

Yes, we carry Fuel Pumps for 13 model years of Jeep J20s between 1974 and 1988. The following model years are the most popular for Fuel Pump purchases: 1988, 1987, 1986, 1985, 1984, 1983, 1982, 1981, and 1980.

What are the cheapest Fuel Pumps for my 1979 Jeep J20?

The cheapest 1979 Jeep J20 Fuel Pumps we carry are:

Does Advance Auto Parts sell Fuel Pumps for any other 1979 Jeep models?

Yes. We stock Fuel Pumps for 5 other popular 1979 Jeep models. Some of the most popular are 1979 Cherokee Fuel Pumps, 1979 Wagoneer Fuel Pumps, 1979 J10 Fuel Pumps, 1979 CJ7 Fuel Pumps, and 1979 CJ5 Fuel Pumps.

What are the top-rated Fuel Pumps that fit the 1979 Jeep J20?

The one 1979 Jeep J20 Fuel Pump we have in stock is the Mechanical Fuel Pump 3496421: Includes Gasket. It costs $23.99.

What types of Fuel Pumps do you sell for my 1979 Jeep J20?

As of 11/2/25, these are some of the most in-demand types of Fuel Pumps for a 1979 Jeep J20:

Can I get help with 1979 Jeep J20 Fuel Pump orders?

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

What is your return policy for Jeep J20 Fuel Pumps?

Advance Auto Parts keeps returns simple. For new Jeep J20 Fuel Pumps and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.