Replacement Upper Engine Gasket Set for Cummins ® L10/M11/ISM/QSM Applications Cross Reference OEM Cross References: 4089478 Superseded/Alternate Numbers: M-4025157

What’s Included

Just give us your serial number and we will confirm compatibility with your engine!

OE Replacements # 4025157, 4089478

Upper Gasket Set Includes:

1 x Cylinder Head Gasket

1 x Intake Manifold Gasket

6 x Exhaust Manifold Gaskets

1 x Connection Gasket

7 x O-Rings

1 x Rocker Lever Housing Gasket

1 x Cover Plate Gasket

3 x Turbocharger Gaskets

1 x Oil Drain Gasket

7 x Washers

7 x Grommet Seals

Application & Fitment

• Engine Make: Cummins
• Engine Model / Application: L10/M11/ISM/QSM

Confirm the original part number and engine identification before ordering. Where applicable, also verify serial-number range, production year, piston style, bearing size or other configuration notes shown in the product information.

Part Numbers & Cross References

• OEM Cross Reference: 4089478
• Alternate / Superseded: M-4025157
• Interstate-McBee Reference: M-4089478

Need Help Confirming Fitment?

Use the engine model, serial number and original part number when checking compatibility. For kits and sets, review the complete component breakdown above before ordering because contents can vary by engine configuration.