Replacement O-Ring Seal for Cummins ® ISX/QSX Applications OEM Cross References: 3678536

Product Details

1 x Injector Seal Ring

Model: Cummins ISX / QSX Engine

Details:

Rectangular Sealing Ring, 1.250 in I.D. x 0.038 in C/S x 0.053 in Thick
31.75 mm I.D. x 0.965 mm C/S x 1.346 mm Thick, Buna N (70)

Product Description:

1x Injector Sleeve Seal Ring

OE Replacements: 121353, 3678536

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: 3678536
• Interstate-McBee Reference: M-3678536

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.