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Cummins · Hardware & Fasteners
3683814
In stock · ships from Knoxville
This is a genuine Cummins O‑ring seal used in the Exhaust Gas Recirculation (EGR) system on EPA13 15‑liter ISX and QSX diesel engines.
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Verified fitment for 2 applications
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All confirmed applications for this part number.
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Other applications
This EGR O‑ring is documented primarily for EPA13 15‑liter ISX/QSX engines. Verify exact application with your engine serial number. The inventory category 'Brakes & Wheel End' appears to be a misclassification.
Part data verified against 4 catalog sources
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It provides a leak‑proof seal between EGR components such as the cooler or valve connections, preventing exhaust and coolant leaks. Replacement is typically required during EGR cooler service, when external leaks appear, or whenever the mating parts are disturbed.
Part Number: 3683814
SEAL ORING
Vendor: MHC Kenworth
Dealer: KP Services Crossville
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