This pump gasket is supplied as a replacement component for YS Engine FZ140 and DZ175 pump assemblies. It creates the seal between pump parts to help keep fuel flow consistent and reduce the chance of leaks in nitro RC engines.
Replace the gasket when performing pump inspections or after repeated removal of the pump cover. Prior to installation, inspect the mating surfaces for wear, clean away residue, and ensure the new gasket sits flat to provide a dependable seal.
Check compatibility against the pump models stated in the product title before purchasing, and treat this item as a service spare rather than a performance upgrade.
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