New vintage ACDelco 6790 Mechanical Fuel Pump for classic 1962-1968 Chevrolet, Oldsmobile, Pontiac and Checker 20
This is one brand new ACDelco 6790 mechanical fuel pump. It is correct for a variety of classic Chevrolet, Oldsmobile and Pontiac vehicles built between 1962 and 1968. This USA made vintage part is brand is correct for the vehicles listed below under Vehicle Compatibility. This is a brand new part, it has never been installed on a vehicle.
Overall Application Summary
This mechanical fuel pump is generally correct for the following years, brands and engines:
|
Year |
Make |
Engine |
|
1965-1968 |
Checker |
3.8L |
|
1965-1967 |
Checker |
4.6L |
|
1965-1967 |
Checker |
5.3L |
|
1962-1967 |
Chevrolet |
3.2L |
|
1963-1966 |
Chevrolet |
3.8L |
|
1965-1966 |
Chevrolet |
4.1L |
|
1966 |
Chevrolet |
4.6L |
|
1966 |
Chevrolet |
5.3L |
|
1966 |
Chevrolet |
6.5L |
|
1962-1966 |
Chevrolet |
2.5L |
|
1966 |
Oldsmobile |
4.1L |
|
1964-1965 |
Pontiac |
3.5L |
Vehicle Compatibility
This part is correct for the following applications:
|
Year(s) |
Make |
Model |
Engine |
|
1964-1965 |
Pontiac |
Tempest |
3.5L 3524CC 215Cu. In. l6 |
|
1966 |
Oldsmobile |
F85 |
4.1L 4097CC 250Cu. In. l6 |
|
1966 |
Oldsmobile |
F85 |
4.1L 4098CC 250Cu. In. l6 |
|
1966 |
Oldsmobile |
F85 |
4.1L 250Cu. In. l6 |
|
1964-1965 |
Chevrolet |
Impala |
3.8L 230Cu. In. l6 |
|
1963-1965 |
Chevrolet |
Impala |
3.8L 3769CC 230Cu. In. l6 |
|
1965-1966 |
Chevrolet |
Impala |
4.1L 4097CC 250Cu. In. l6 |
|
1965-1966 |
Chevrolet |
Impala |
4.1L 4098CC 250Cu. In. l6 |
|
1965-1966 |
Chevrolet |
Impala |
4.1L 250Cu. In. l6 |
|
1963-1965 |
Chevrolet |
Bel Air |
3.8L 3769CC 230Cu. In. l6 |
|
1965-1966 |
Chevrolet |
Bel Air |
4.1L 4097CC 250Cu. In. l6 |
|
1965-1966 |
Chevrolet |
Bel Air |
4.1L 4098CC 250Cu. In. l6 |
|
1964-1966 |
Chevrolet |
Chevy II |
3.8L 230Cu. In. l6 |
|
1964-1966 |
Chevrolet |
Chevy II |
3.8L 3769CC 230Cu. In. l6 |
|
1962-1967 |
Chevrolet |
Chevy II |
3.2L 3180CC 194Cu. In. l6 |
|
1964-1967 |
Chevrolet |
Chevy II |
3.2L 194Cu. In. l6 |
|
1962-1966 |
Chevrolet |
Chevy II |
2.5L 2507CC 153Cu. In. l4 |
|
1964-1966 |
Chevrolet |
Malibu |
3.8L 3769CC 230Cu. In. l6 |
|
1964-1966 |
Chevrolet |
Malibu |
3.2L 3180CC 194Cu. In. l6 |
|
1965 |
Chevrolet |
Chevelle |
3.8L 230Cu. In. l6 |
|
1964-1966 |
Chevrolet |
Chevelle |
3.8L 3769CC 230Cu. In. l6 |
|
1966 |
Chevrolet |
Chevelle |
4.6L 4638CC 283Cu. In. V8 |
|
1966 |
Chevrolet |
Chevelle |
5.3L 5358CC 327Cu. In. V8 |
|
1964-1966 |
Chevrolet |
Chevelle |
3.2L 3180CC 194Cu. In. l6 |
|
1965-1966 |
Chevrolet |
Chevelle |
3.2L 194Cu. In. l6 |
|
1966 |
Chevrolet |
Chevelle |
6.5L 6489CC 396Cu. In. V8 |
|
1964-1966 |
Chevrolet |
El Camino |
3.8L 3769CC 230Cu. In. l6 |
|
1964-1965 |
Chevrolet |
El Camino |
3.2L 3180CC 194Cu. In. l6 |
|
1968 |
Checker |
Marathon |
3.8L 230Cu. In. l6 |
|
1965-1968 |
Checker |
Marathon |
3.8L 3769CC 230Cu. In. l6 |
|
1965-1967 |
Checker |
Marathon |
4.6L 4638CC 283Cu. In. V8 |
|
1965-1967 |
Checker |
Marathon |
5.3L 5358CC 327Cu. In. V8 |
OEM Interchange
This part is interchangeable with the following parts:
|
Manufacturer |
Part # |
|
ACDelco |
6790 |
|
GM OE |
5623540 |
|
GM OE |
5656790 |
|
GM OE |
5656921 |
|
GM OE |
6415725 |
|
GM OE |
6415826 |
|
GM OE |
6440075 |
|
GM OE |
6440319 |
|
GM OE |
6441063 |
Make sure you drain and flush the entire fueling system, from tank to carburetor, and replace the fuel filter before attempting to install this part. Contaminated (old) fuel will quickly destroy fuel system components including this one.
Regarding Returns:
PLEASE REFER TO THE FITMENT INFORMATION TO MAKE SURE THIS WILL FIT YOUR APPLICATION BEFORE ORDERING.
We regret we are unable to accept returns on parts that contact engine fluids (e.g. Fuel, Coolant, Brake Fluid, Oil, DEF, etc.) or have been installed on a vehicle. We are also unable to accept returns on any electrical parts.
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Customer Reviews
I searched for three weeks for a replacement fuel pump or rebuild kit for my 1968 Mercruiser 120 I/O. No one had the Mercruiser part number in stock, or any recommendations on where to go. The Mercruiser service desk gave me the AC part number and another part number and a part number of ECN 6790. He wasn't sure what the ECN number was about. With this information in hand, the internet sent me to AAAA. I ordered the pump, it was delivered on time, and installed just like the AC original. The engine fired up nicely, and I now have one 45 minute shakedown run on it. I am extremely pleased with my interaction with AAAA and the apparent quality of the pump.
Customer Reviews
I searched for three weeks for a replacement fuel pump or rebuild kit for my 1968 Mercruiser 120 I/O. No one had the Mercruiser part number in stock, or any recommendations on where to go. The Mercruiser service desk gave me the AC part number and another part number and a part number of ECN 6790. He wasn't sure what the ECN number was about. With this information in hand, the internet sent me to AAAA. I ordered the pump, it was delivered on time, and installed just like the AC original. The engine fired up nicely, and I now have one 45 minute shakedown run on it. I am extremely pleased with my interaction with AAAA and the apparent quality of the pump.