# GMB 520-8020 Mechanical Fuel Pump for 1976-1990 American Motors AMX

### Specifications

-   Length: 38.3''
-   Width: 8.8''
-   Height: 5.0''
-   Weight: 2.3 GP

### Features

-   100% Pressure and Flow-rate tested in-house
-   Includes all required hardware for installation
-   Durability tested during development for longer life
-   Designed to reduce noise
-   New filters available in all sizes
-   Gasoline, Diesel and Flex Fuel Pumps available
-   Heavy Duty and Agricultural pumps available

### Product Details

Mechanical Fuel Pump (520-8020) by GMB®. The modern fuel system is electronically controlled by on-board computers. It is designed to adjust and optimize the air/fuel ratio that is delivered to the engine as driving conditions change. GMB Fuel Pumps are essential to delivering the required amount of fuel from the fuel tank to the engine. Each GMB Fuel Pump goes through 3 points of inspection; at the development stage, manufacturing stage, and prior to shipment to their customers. This ensures the quality and optimum life of the Fuel Pump.

Brand: GMB

Part Number: 520-8020

UPC: 083286166585

Alternate MPN: 5208020

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

1978

American Motors

AMX

1979

American Motors

AMX

1980

American Motors

AMX

1976

Jeep

Cherokee

1977

Jeep

Cherokee

1978

Jeep

Cherokee

1979

Jeep

Cherokee

1980

Jeep

Cherokee

1981

Jeep

Cherokee

1982

Jeep

Cherokee

1983

Jeep

Cherokee

1976

Jeep

CJ

1977

Jeep

CJ

1978

Jeep

CJ

1979

Jeep

CJ

1980

Jeep

CJ

1981

Jeep

CJ

1982

Jeep

CJ

1983

Jeep

CJ

1984

Jeep

CJ

1985

Jeep

CJ

1986

Jeep

CJ

1976

Jeep

J-Series

1977

Jeep

J-Series

1978

Jeep

J-Series

1979

Jeep

J-Series

1980

Jeep

J-Series

1980

Jeep

Wagoneer

1981

Jeep

Wagoneer

1982

Jeep

Wagoneer

1983

Jeep

Wagoneer

1984

Jeep

Wagoneer

1985

Jeep

Wagoneer

1986

Jeep

Wagoneer

1987

Jeep

Wrangler

1988

Jeep

Wrangler

1989

Jeep

Wrangler

1990

Jeep

Wrangler

### FAQ

**Will this fit my vehicle?**  
Please verify your year, make, model, position, and any fitment notes using the Vehicle Fitment Table above before purchase.

**What part number is this?**  
The listed part number is 520-8020.

**Is this product designed for direct replacement?**  
Yes. This product is intended to match the compatible vehicle applications listed in the fitment table.

**Should I confirm fitment before ordering?**  
Yes. Always compare your original part, position, and vehicle details with the fitment table before ordering.

### Common Searches

-   Mechanical Fuel Pump for American Motors AMX
-   520-8020 fitment
-   GMB Mechanical Fuel Pump
-   1978 American Motors AMX Mechanical Fuel Pump

## Details

- **Price:** 49.72 CAD
- **Vendor:** GMB
- **Type:** Mechanical Fuel Pump
- **Tags:** 1976-1980 Jeep J-Series, 1976-1983 Jeep Cherokee, 1976-1986 Jeep CJ, 1978-1980 American Motors AMX, 1980-1986 Jeep Wagoneer, 1987-1990 Jeep Wrangler, 520-8020, Automotive, GMB, Mechanical Fuel Pump

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 49.72 CAD | In stock |

## Images

- GMB 520-8020 Mechanical Fuel Pump for 1976-1990 American Motors AMX

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/gmb-520-8020-mechanical-fuel-pump)
> Updated: 2026-08-11