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⛽ Power your classic ride with precision and heritage!
The Delphi MF0004 Mechanical Fuel Pump is a frame-mounted, lever-operated fuel pump designed specifically for older carbureted vehicles. Crafted from durable metal and built to OE standards, it ensures reliable fuel delivery with threaded inlet and outlet connections for a secure fit. Backed by Delphi’s 80+ years of automotive expertise, this replacement part includes gaskets for easy installation and optimal performance.
| ASIN | B00BG3X318 |
| Auto Part Position | Right |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #706,474 in Automotive ( See Top 100 in Automotive ) #311 in Automotive Replacement Mechanical Fuel Pumps |
| Body Material | Metal |
| Brand | Delphi |
| Brand Name | Delphi |
| Compatible with Vehicle Type | Car |
| Connector Type | NPT |
| Customer Reviews | 4.4 out of 5 stars 73 Reviews |
| Fit Type | Vehicle Specific Fit |
| Gas Type | Gasoline |
| Global Trade Identification Number | 00689604212264 |
| Included Components | Fuel Pump |
| Inlet Connection Size | 0.38 Inches |
| Inlet Connection Type | Threaded |
| Item Dimensions | 4.5 x 3.5 x 6 inches |
| Item Type Name | Fuel Pump |
| Item Weight | 1 Pounds |
| Item dimensions L x W x H | 4.5 x 3.5 x 6 inches |
| Manufacturer | Delphi |
| Manufacturer Part Number | MF0004 |
| Manufacturer Warranty Description | Delphi Corporation (“Delphi”) warrants all Mechanical Fuel Pumps and Fuel System Accessory products by Delphi Product and Service Solutions to be free of defects in material and workmanship for a period of one year from the date of installation or 12,000 miles or 20,000 kilometers, whichever occurs first, subject to terms. |
| Material | Metal |
| Material Type | Metal |
| Model Number | MF0004 |
| Mounting Type | Frame Mount |
| OEM Equivalent Part Number | 41378, 41378, M16043, 6441378, 6442079, 6471493, AMF0004, SP1007MP, M60039, 68579, |
| Operation Mode | Mechanical |
| Outlet Connection Size | 0.38 Inches |
| Outlet Connection Type | Threaded |
| Part Interchange Info | MF0004 |
| Product Grade | Replacement Part |
| Product Style | Piston |
| Specification Met | OE |
| UPC | 689604212264 |
| Unit Count | 1.0 Count |
| Vehicle Service Type | Car |
R**E
No issues. Installed easy
Looks like Orem quality. Replaced my broken one with this. Works well.
J**R
Great quality
Great quality Been working great for a few yrs now.
R**.
Works
It pump fuel good
L**I
pay attention to supply and return direction
Seems to be a good quality pump. Pay attention to supply and return line direction. mine were facing a different direction but could bend the supply nozzle on this pump a little bit and make it work without to much trouble. Also a little tip, on the front side of the engine block is a 9/16" bolt head very close to the fuel pump front bolt. Remove the bolt and the front fuel pump bolt. Install the longer fuel pump bolt into the front hole and just barely snug it. This will hold up the fuel pump slide and make installation easy, you won't have to mess around with a hacksaw blade or other tricks people come up with. When new pump is installed with back bolt remove long bolt from front of block and install back into the new pump and put original plug back in the front of block.
J**G
The pump lever broke only lasted 500 miles
I purchased this fuel pump in September 2025 installed October 10 on stock 350 in 84 Chevy truck. Truck wasn't used for a month, lasted about 500 miles and the pump lever arm pivot pin wore out and caused the spring to fall out see video. I was lucky that the spring didn't go in the motor. .Left stranded had to be towed back. Return window was closed 30 days. I have had and worked on MANY SB,bb gm FORD MOPAR etc.. NEVER SEEN THIS HAPPEN BEFORE. Contacted Delphi multiple times for there warranty never heard back its been 3 months. JUNK DO NOT BUY.
A**R
Fuel pump
Received the pump and it fit perfect. All the hoses and lines lined up correctly.
J**E
Does what it should
After installation the truck runs again. Takes me to work day after day.
M**T
Fit
Bolted on engine good.engine is still not in the truck. But fit good has the return line which is why I bought it
M**N
good product good price great service
It fit perfectly and works just like it fits
Trustpilot
1 month ago
2 months ago