Since new original style pumps are no longer made, this is the best way to finally fix your old fuel pump leaks and poor performance. This kit is designed specifically for the W108 and W109 small V8 sedans. If you have an EFI R107 350SL or 450SL from 1972 to 1975 we have a different kit available. See related products below. Watch the video as Kent will explain the reason for this kit and how it looks installed in a 300SEL 4.5.
Product Details
The kit contains the following:
- New special sourced low-pressure Bosch Fuel Pump
- New fuel filter
- All new fuel hoses
- Required fuel hose adapter fittings
- Special anti-kink fuel hose coil wire
- All new fuel hose clamps
- 4 new rubber mounts
- Full video instructions
PLEASE NOTE: This kit does not come with the right-angel metal fitting at the inlet to the fuel fitler. Your old one can be used for this. If yours is missing or too rusty you can order Kent's special fitting replacement separately. See related products below.
Kent's highly detailed 37-minute video instructions will show you how to do the following: Determine if your original pump needs replacing, drain the fuel out of your fuel tank, remove the old pump assembly, take it apart on the bench and install the new pump, filter, and hoses, and properly reinstall the complete assembly back into the car. If your original fuel pump has not failed and is working fine now be forewarned. It will not last forever and this replacement pump not be available forever either.
This is what it looks like installed in Kent's 300SEL 4.5
Here is what it looked like before the conversion began:
IMPORTANT RECOMMENDATION FROM KENT: The D-Jetronic fuel injection system operates on a very narrow and very critical fuel pressure setting ( approximately 30 psi. ) It is way more critical than either the K-Jetronic or KE-Jetronic fuel pressures. For the D-jet the factory manual recommends only a 1 psi variation just one way. Precise pressure is critical for the correct fuel mixture. When you replace the fuel pump and filter, the fuel pressure will most likely change. What I have found is a lot of these old D-jet engines have had the fuel pressure adjusted while running an old original fuel pump. When a new pump is installed, the pressure almost always increases, causing an enriched fuel mixture and more fuel consumption. I highly recommend you test and adjust the fuel pressure with a known accurate gauge ( most gauges I have tested are 2 to 5 psi off, which does not lead to an accurate test. Also, on many of these engines, the fuel pressure regulators have failed, leading to over-fueling the engine. The only way to know if your regulators are working is to do a fuel system pressure test. If you do not have a good setup, I am offering the one I put together and test. See related products below:
Related Products:
1970 to 1975 3.5 4.5 D-Jetronic Fuel Filter Inlet Special Fitting
The original fuel filter has a rigid right-angle fitting, as shown in the pictures below. We do not provide this fitting in our fuel delivery kits as more often than not it can be removed from your old filter and installed in the new filter we provide.
1970 to 1975 3.5 4.5 D-Jetronic Fuel Injection Pressure Tester Kit
Testing fuel pressure is a simple procedure on the D-Jetronic engines, but it is absolutely essential.
D-Jetronic Fuel Pump Protection Filter Inslallation Kit
Let's face it. These fuel tanks and now 50 years old and most are not squeaky clean inside. There is a fuel tank screen that will catch most particles if the screen is in good shape. But I have found that it will not catch the very fine rust particulates that are so common in these old cars.
Gas Engine Flat Fuel Tank Filter Screen Replacement Kit
This is a very critical and very neglected filter located inside the fuel tank.
Multi Purpose Ultimate Wire Boot and Hose Clamping Tool
1972 to 1975 R107 350SL 450SL SLC Complete Fuel Pump Conversion Kit
Since new original style pumps are no longer made, this is the best way to finally fix your old fuel pump leaks and poor performance.