Welcome To Merchant Automotive—The Duramax Diesel Engine & Allison Transmission Performance Specialists You Can Count On!

Merchant Automotive Injector Cup Sealant, Duramax, LB7 | 2001 - 2004


Due to daily fluctuating stock levels, please call (616) 772-9551 for time sensitive orders.

Our Guarantees

Truck Expert a call away The fastest shipping lifetime customer support

Product Information

A small amount of this red sealant goes at the bottom of each injector cup to ensure proper sealing.

Reviews & Questions