Bosch cis K Jetronic fuel injection metering distributor rebuild kit for 928 (1978-1995) models. Diaphragm is included. This kit will service the following cast iron duel distributors that contain a stainless steel diaphragm: 0438100027.

The diaphragms are cut on the latest state of the art laser cutters & are of superior precision & quality. The o-rings and seals in these kits are made from Viton & Acrylonitrile - Butadiene which are resistant to modern fuel additives & especially ethanol. The recent introduction of ethanol into automotive fuels has caused a lot of fuel metering distributors to fail. Made in the USA. This item will be shipped in special packaging to protect from any transportation damage.