Redline Emissions Products Replacement for OEM Cummins Doser Gasket Kit 4963857/ 5292265 (REP GD0302)

REP DEF Doser Gasket and Thermal Isolator kit for Cummins

This kit includes the 4963857 / Q312351 gasket and the 5292265 / 4985531 / 3683572 / A040M959 Thermal Isolator.

Unfortunately Cummins does not offer these together as a kit so we created our own to make servicing your system as convenient as possible

Redline Emissions Products gaskets are engineered to meet or exceeded OEM standards, ensuring accurate fit and reliable performance. Replacing gaskets after emissions maintenance is crucial to prevent leaks and avoid operational downtime. We carry an extensive inventory of individually packaged gaskets to promptly supply the exact parts needed for your repairs.