Replacement O-Ring Seal for Cummins ® ISX/QSX Applications EGR Coolant Tube OEM Cross References: 3683814

Product Details

1 x Water Pump O-Ring

Note: EGR coolant tube

Model: Cummins ISX / QSX Engine

Details:

O-Ring
0.21 in C/S x 1.6 in ID
5.33 mm C/S x 40.64 mm ID
EPDM 75, Peroxide Cured Series # -326

Product Description:

1x Water Pump O-Ring

OE Replacements: 121422, 3683814, 6L7817

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: 3683814
• Interstate-McBee Reference: M-3683814

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.