Replacement Thermostat Seal for Cummins ® KT19/KTA38/KTA50/QSK19/QSK38/Q Applications ISX02/07 – 91N14 & 94N14 – Teflon OEM Cross References: 186780 Superseded/Alternate Numbers: M-135600

Product Details

1 x Thermostat Seal

Note: ISX02/07

Fits Application: Cummins 855/L10/N14 Thermostat

Model: Cummins ISX / QSX Engine

Details:

SEAL, 2.272 in Free ID x 2.661 in OD x 0.25 in Width
57.7 mm Free ID x 67.58 mm OD x 6.35 mm Width

OE Replacements: 131289, 186780, 3084879, 135600, 186780, 111325

Cross References:

Application & Fitment

• Engine Make: Cummins
• Engine Model / Application: KT/QSK

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: 186780
• Alternate / Superseded: M-135600
• Interstate-McBee Reference: M-186780

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.