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GASKET-CRANKCASE - SUPERCEDED BY 6686699 - Hitachi 900174021


Product Details

Found under the following brands: Hitachi
Part Number: 900174021

Obsolete, no replacement, none in stock


Gaskets provide a seal between the pump’s components, such as the oil pan, crankcase, cylinder, valve plate(s) and head (as well as the intercooler & aftercooler). Gaskets can be made from metal, cork, silicone, rubber, fiberglass or Teflon. It’s common for gaskets to “blow out” and leak, as debris in the head and back-pressure can damage them. When replacing, clean all old gasket material from the components, and install dry. Tighten the bolts to the correct torque setting for your unit. Having a clean air filter will also minimize gasket damage.

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