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PAI · Engine
621223
In stock · ships from Knoxville
This is a Viton O-ring used to seal the fuel injector tube in Detroit Diesel Series 60 engines.
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Advertised as an injector repair kit, but this SKU is a single injector tube O-ring seal. Verify quantity needed per engine.
Part data verified against 5 catalog sources
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It fits into the injector tube bore in the cylinder head, preventing fuel and oil leaks. Replacement is typical when the old seal hardens or cracks, often during injector service or when a fuel dilution issue is diagnosed.
Part Number: 621223
INJECTOR REPAIR KIT
Dealer: Post Onsite
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