3685173 | Cummins ISX15/ISX12 Front Main Seal

Looking for top-quality crankshaft seals that deliver OEM-level performance without the dealer markup? TTM Diesel has you covered. Our brand-new seals are produced in a state-of-the-art, ISO-certified facility and rigorously tested to meet or exceed OEM specifications.

Why Choose TTM Diesel?

OEM-Grade Quality at a fraction of the dealer cost
Trusted by mechanics, fleets, and rebuilders nationwide
Fast shipping and reliable customer support

Don’t settle for inferior seals that could lead to expensive failures. Choose TTM Diesel for dependable quality and unbeatable value—keeping your engine sealed and your business moving.

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We offer free standard ground shipping within the USA! If you need your parts in a hurry and would like to get them overnighted or expedited, please give us a call !

NOTE - CUT OFF TIME FOR SAME DAY SHIPPING IS 3PM CENTRAL TIME. ORDERS PLACED AFTER 3PM WILL SHIP OUT NEXT BUSINESS DAY. NEXTDAY SHIPMENTS THAT DO NOT ARRIVE ON TIME ARE NON-REFUNDABLE.
-FOR ORDERS INCLUDING HEAVY ITEMS(INFRAME KITS, HEADS,ETC.) PLEASE CHOOSE THE CORRECT SHIPPING AT CHECKOUT

We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.

NOTE - All open orders will have a 20% restocking fee. All returns will have a shipping fee.

1 YEAR WARRANTY

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