Seal, O Ring (3910260 OEM) is a high-grade genuine Engine Gasket / Seal that forms a leak-proof barrier between engine assemblies.
Designed to provide a critical leak-proof seal across high-pressure oil, coolant, fuel, or exhaust gas passages, preventing fluid cross-contamination and premature engine damage.
Compatible with Cummins engine series: 6B5.9, 6C8.3, ISBE, QSB 5.9, QSB 6.7, QSC 8.3, QSG12/X12, QSL 9, QSZ 13. To prevent premature wear and ensure optimal engine lifespan, genuine replacement parts are strongly recommended.
Send a photo of your engine nameplate or serial number. Our engineers will verify compatibility in 5 minutes!
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