As part of our rebuild kit portfolio for a Bosch fuel metering Distributor.

This kit will service the following cast iron Fuel Distributors that contain a stainless steel Diaphragm

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0438100077  0438100028  0438100092  0438100031  0438100097  0438100067  0438100108  0438100080  0438100134

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Mr.K Jet Classic Bosch Search Tool -  mrkjet.com

1. fully tighten the screw.
2. then wind off 1 and a half turns to set.
3. repeat for a screws.


(see pictures for location)


As you can see, this kit is an ideal upgrade or direct replacement to the original parts.