Replacement Liner Seal for Cummins ® ISX/QSX Applications ISX – Pink – 150mm OEM Cross References: 3678738

Product Details

1 x Cylinder Liner Seal Ring

Note: 150mm – Pink

Model: Cummins ISX / QSX Engine

Details:

O-Ring, 0.103 in C/S x 5.6 In I.D.
2.616 mm C/S x 142.24 mm I.D. EPDM (75) Pink (Optional)

Product Description:

1x Liner Seal

OE Replacements: 121311, 3678738

Cross References:

Application & Fitment

• Engine Make: Cummins
• Engine Model / Application: ISX/QSX

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: 3678738
• Interstate-McBee Reference: M-3678738

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.