This complete upper gasket kit is designed for Cummins 6B engines, offering everything required for a reliable top-end service or cylinder head repair. Manufactured to OEM specifications, the kit provides high-quality seals and gaskets to prevent leaks and ensure long-lasting engine performance.

OEM Reference:

• 4089649

Kit Contents:

• 3283335 – Head Gasket (1)

• 3883284 – O-Ring (1)

• 675477C1 – Gasket (6)

• 3901356 – Turbocharger Mounting Gasket (1)

• 3902425 – Washer (1)

• 3903380 – Washer (6)

• 3906694 – Rectangular Sealing Ring (1)

• 3906773 – Plug Seal (1)

• 13653 – O-Ring (6)

• 3912220 – Exhaust Gasket (1)

• 3918188 – Fuel Fitting Seal (2)

• 3919358 – Copper Sleeve (6)

• 3923261 – Copper Washer (6)

• 3923331 – Thermostat Seal (1)

• 3929881 – Exhaust Manifold Gasket (6)

• 3930324 – Copper Washer (6)

• 3930906 – Rocker Cover Gasket (6)

• 3935449 – Rocker Cover Isolator Seal (6)

• 3902363 – Oil Fill Seal (1)

• 3906659 – Copper Washer (6)

• 3937706 – Oil Return Gasket (1)

• 3931347 – Intake Manifold Cover Gasket (1)

• 3957912 – Valve Stem Seal (12)

• 3963988 – Seal (2)

• 1188 – Instruction Sheet (1)

Condition: Brand new, high-quality aftermarket replacement
Application: Upper engine service – Cummins 6B

Features & Benefits:

• Comprehensive top-end sealing solution for Cummins 6B

• OEM-matched gaskets and seals for a perfect fit

• Ideal for head gasket jobs, turbo mounting, and valve work

• Packaged for easy identification and installation