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Pierburg Fuel Pump, Mechanical; 8mm Inlet and Outlet Fittings | 13311260677

BMW 3.0CS, 2800CS, 2800, 2800 Bavaria, 3.0S, 2500
$86.99
Reg
$90.61
List
$198.19
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P/N: 13311260677 Pierburg OEM FREE SHIPPING
Description:
8mm Inlet and Outlet Fittings
1 per car.
Cross References:
  • 530040172
  • 7.02242.19.0
  • H72010471

The mechanical fuel pump on your BMW delivers fuel to your engine’s carburetor to run the engine. The mechanical fuel pump is mounted to the engine and is run using a pushrod that transfers camshaft movement to raise and lower a diaphragm inside to pump fuel from the fuel tank up to the engine. Since the mechanical fuel pump uses camshaft motion and a pushrod to operate, it will only pump fuel while the engine is turning.

If the fuel pump diaphragm ruptures or the fuel pump arm sticks, the fuel pump will not pump gas to the engine and the engine will not run.

Signs of a Faulty Mechanical Fuel Pump
A lean running engine, engine stuttering, and engine stalling are all signs the mechanical fuel pump on your BMW is beginning to fail. Either the diaphragm has a small hole or tear in it that prevents the pump from pumping all the needed fuel, or the pushrod lever is worn. If the diaphragm is completely torn or the pushrod shaft is completely worn or broken, the pump will not be able to supply any fuel and the engine will not run.

Replacing Your BMW Mechanical Fuel Pump
The mechanical fuel pump should be replaced anytime it cannot supply adequate fuel pressure to the carburetor to run the engine. A vacuum pump can be used to test the draw of the fuel pump while the engine is being cranked to determine how much vacuum is created. If the pump does not create a vacuum or the vacuum created is less than specified in the BMW owner’s manual, the pump has failed or is failing.

Mechanical fuel pumps mounted to the side of the engine can usually be replaced in under an hour. However, make sure the mating surface to the engine is properly cleaned prior to installation of a new pump to prevent vacuum leaks that will prevent the pump from pumping all the fuel needed. Additionally, replacing the fuel filter inline before the pump will prevent fuel contaminants from damaging the diaphragm on your new mechanical fuel pump.

View more BMW Fuel Pumps.

The Pierburg name has been around for nearly 100 years as an automotive tier one supplier of coolant pumps, exhaust gas recirculation, and secondary air systems. Most Pierburg listings in the US catalog are OEM replacement parts so you are assured of the exact fit and function from an original part.
Left = Driver side and Right = Passenger side.
All parts are priced individually unless identified as a set or kit. "Per car" notes identify how many of a given part your car has and "Left/Right or Front/Rear" notes means the part fits the left or right side of the car. These parts are still sold individually and you'll need to select the appropriate quantity if you plan to replace more than one of this item.

Frequently Viewed Together

We found 4 additional part(s) that are frequently viewed together.

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What This Pierburg Fuel Pump, Mechanical Fits?

Application information below is for reference only and should not be used to determine the exact vehicle fitment. Please use the "Make Sure It Fits" vehicle selection box above to determine the exact fitment and review any application notes. If you need any help determining if this part works with your vehicle, please don't hesitate to contact us.

BMW
68-71 - 2500
68-74 - 2800
71-71 - 2800 Bavaria
68-71 - 2800CS
71-74 - 3.0CS
71-74 - 3.0S