Product Description
Part Number: 40781 (AC Type 40781)
Type: Mechanical Fuel Pump (Single Action / Small Block Mopar)
Replaces OEM Reference: Chrysler 2932797, Chrysler 3577889, Chrysler 3614825
Note: This pump fits Small Block Mopar V8 engines (273, 318, 340, 360) and related truck/marine applications. It is generally a 2-Port pump (1 Inlet, 1 Outlet) designed for standard cooling. Marine engines using this pump (Chrysler 318 Inboard) are also commonly cross-referenced to this Mopar pump casting.
fits
| Make | Model | Year | Engine | Special Notes |
| Chrysler | Barracuda | 1970-1972 | V8-318ci (5.2L) | Small Block V8 |
| Chrysler | Barracuda | 1970-1972 | V8-340ci (5.6L) | Small Block V8 |
| Chrysler | Barracuda | 1972 | V8-360ci (5.9L) | Small Block V8 |
| Chrysler | Challenger | 1970-1972 | V8-318ci (5.2L) | Small Block V8 |
| Chrysler | Challenger | 1970-1972 | V8-340ci (5.6L) | Small Block V8 |
| Chrysler | Challenger | 1972 | V8-360ci (5.9L) | Small Block V8 |
| Chrysler | Charger | 1969 | V8-273ci (4.5L) | Small Block V8 |
| Chrysler | Charger | 1969 | V8-318ci (5.2L) | Small Block V8 |
| Chrysler | Charger | 1969 | V8-340ci (5.6L) | Small Block V8 |
| Chrysler | Charger | 1970-1972 | V8-318ci (5.2L) | Small Block V8 |
| Chrysler | Charger | 1970-1972 | V8-340ci (5.6L) | Small Block V8 |
| Chrysler | Charger | 1972 | V8-360ci (5.9L) | Small Block V8 |
| Chrysler | Dart | 1969-1972 | V8-273ci (4.5L) | Small Block V8 |
| Chrysler | Dart | 1969-1972 | V8-318ci (5.2L) | Small Block V8 |
| Chrysler | Dart | 1969-1972 | V8-340ci (5.6L) | Small Block V8 |
| Chrysler | Dart | 1972 | V8-360ci (5.9L) | Small Block V8 |
| Dodge Truck | D-Series (100-300) | 1969-1978 | V8-318ci (5.2L) | Truck/Van/SUV |
| Dodge Truck | D-Series (100-300) | 1969-1978 | V8-360ci (5.9L) | Truck/Van/SUV |
| Dodge Truck | Heavy Duty | 1980-1983 | V8-318ci (5.2L) | Truck/Van/SUV |
| Dodge Truck | Heavy Duty | 1980-1983 | V8-360ci (5.9L) | Truck/Van/SUV |
| Plymouth | Barracuda | 1969 | V8-273ci (4.5L) | Small Block V8 |
| Plymouth | Barracuda | 1969 | V8-318ci (5.2L) | Small Block V8 |
| Plymouth | Barracuda | 1969 | V8-340ci (5.6L) | Small Block V8 |
| Plymouth | Belvedere | 1969-1970 | V8-273ci (4.5L) | Small Block V8 |
| Plymouth | Belvedere | 1969-1970 | V8-318ci (5.2L) | Small Block V8 |
| Plymouth | Cuda | 1970-1972 | V8-318ci (5.2L) | Small Block V8 |
| Plymouth | Cuda | 1970-1972 | V8-340ci (5.6L) | Small Block V8 |
| Plymouth | Duster | 1970-1972 | V8-318ci (5.2L) | Small Block V8 |
| Plymouth | Duster | 1970-1972 | V8-340ci (5.6L) | Small Block V8 |
| Plymouth | Fury | 1969-1972 | V8-318ci (5.2L) | Small Block V8 |
| Plymouth | Fury | 1969-1972 | V8-340ci (5.6L) | Small Block V8 |
| Plymouth | Fury | 1972 | V8-360ci (5.9L) | Small Block V8 |
| Plymouth | Road Runner | 1971 | V8-340ci (5.6L) | Small Block V8 |
| Plymouth | Satellite | 1969-1972 | V8-318ci (5.2L) | Small Block V8 |
| Plymouth | Satellite | 1969-1972 | V8-340ci (5.6L) | Small Block V8 |
| Plymouth | Valiant | 1969-1972 | V8-273ci (4.5L) | Small Block V8 |
| Plymouth | Valiant | 1969-1972 | V8-318ci (5.2L) | Small Block V8 |
1969 1970 1971 1972
All our pumps are proudly Made in the USA!
If the unit is a rebuilt pump, please note it was professionally reconditioned by a U.S. rebuilder near Denver, CO, between the late 1980s and early 1990s.
Regarding Photos: Due to our volume of identical, interchangeable inventory, we use representative stock photos for this model. The image is for reference only and may depict a specific manufacturer (e.g., 'AC'). You will receive a pump that meets all listed specifications, which may be from the manufacturer shown or a fully equivalent alternative.
