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Lagersolut

Fuel pump rebuild kits variation

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Lagersolut

Yesterday I rebuilt the fuel pump on the 416 K341 - wondering if anyone else has run into this . Seems there are 2 style stems for the diaphragm but I'm not finding different part numbers - straight stem T or one with shoulders - took me on off and apart a few times not pumping until I figured it out ....comparing new to what came out - the kit with shoulders works fine - after  gently grinding and filing the shoulders off . Just wondering , seems the sellers are offering one kit or the other don't know what style you have until the pumps apart .

fuel.JPG

Fuel_Pump_Kit_Kohler_K___52091.jpg

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ri702bill

Yes, there are 2 different styles. Look at the ThenandNowAuto website - it explains both.

Bonus - if you order from them as I did, they verify with you first as to which style you have, 

They also include the check valves and springs. Be SURE to fine sand the cover for flatness (like you do with an aluminum cylinder head) prior to reassembly....

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Achto
9 hours ago, Lagersolut said:

offering one kit or the other don't know what style you have until the pumps apart

 

Unfortunately taking the pump apart is the only way that you know for sure which one you have. 

 

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953 nut
10 hours ago, Lagersolut said:

I rebuilt the fuel pump

You didn't rebuild the pump if what is pictured is what was used, just replaced the diaphragm. The two check valves should be replaced also. Old check valves will fail and the new diaphragm will just slosh gas around.

There are five fuel pump rebuild kits offered by Then and Now        https://www.then-now-auto.com/product-category/fuel-pump-kits/kohler-fuel-pump-kits/

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Lagersolut
1 hour ago, 953 nut said:

You didn't rebuild the pump if what is pictured is what was used, just replaced the diaphragm. The two check valves should be replaced also. Old check valves will fail and the new diaphragm will just slosh gas around.

There are five fuel pump rebuild kits offered by Then and Now        https://www.then-now-auto.com/product-category/fuel-pump-kits/kohler-fuel-pump-kits/


Thanks - the 416 is my main worker didn’t want it down for a week or two waiting for parts so I took a chance - probably do it again to cover my bases or at least have this kit in my smalls box . 

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