For ESN 1018371 and Earlier with 3 Rocker Jake. The RA4730102620 'REMAN' Cylinder Head can only be used for EPA10-GHG14 applications, e.g., not GHG17. applications. The 'NEW' DDE EA4730105020 Cylinder Head and the 'REMAN' DDE RA4730105020 can be used for EPA10-GHG17 applications.

New Detroit Cylinder Heads are the best replacement option for your Detroit Engine. Built 100% to original factory specification with all of the latest design changes to keep your Detroit Engine running strong. Demand Genuine. Demand Detroit.

All Detroit and Detroit Reman Cylinder Heads come with 1 Year / Unlimited Mile coverage.

Overhauling your Engine? Ask about Detroit's StepUP program to see if your repair qualifies for extended coverage of up to 3 Years / 300,000 Miles.