Cummins 855 Early Jake Brake Gasket Set, 3801640

Cummins 855 Jake Brake Gasket Set, Small and Big Cam 
Fits all Small Cam, Big Cam I, II and III engines. These engines should have a 5 Bolt Rocker Cover. 
If your engine is a Big Cam IV with a: 5 bolt rocker cover, please order item 158440 instead 7 bolt rocker cover, please order item 175023 instead
For use with Jacobs models: 401A, 401B, 401C, 420, 425, 425A
replaces: 3801640
Jake Brake Gasket Set Includes:3 qty 3054841 - Rocker Cover Gasket, Cork3 qty 3045533 (Replaces 013294) - Rocker To Jake Brake Housing Gasket 3 qty JB10180 - Square Cut O-Ring 1 qty 216487 - Air Crossover Connection Gasket 1 qty 3012972 - Air Crossover To Intake Manifold Gasket 
Our complete line of seals and gaskets are produced from Interface materials. These materials are environmentally friendly, free of solvents and asbestos. Our seals and gaskets are made with high technology tools to guarantee an exact dimension and a proper fit, reducing the risk of leakage and increasing operational life.