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Detroit Diesel built its reputation mile by mile in the long-haul trucking industry, and the DD-series carries that legacy forward. The DD13 and DD15 power some of the hardest-working Class 8 trucks on the road today — Freightliner Cascadias, Western Stars, and more. When one needs to be replaced, Pilot Engines remanufactures it to your exact engine serial number so it goes back in the way it came out.

Every Detroit engine is remanufactured using OE parts, with every component inspected before assembly. Long Block engines are SIM tested before shipping. You're not buying a patch job — you're getting a remanufactured engine built to OEM specs, backed by a warranty.

Share your engine serial number and we'll match the exact build. Round-trip freight is prepaid within the continental US. If you have a competing quote, we'll match it. And when you pull your old Detroit, we buy cores.

This engine keeps fleets moving. Downtime is expensive — our process is built around getting you back on the road as fast as possible.

Browse the available Detroit engine models below, or request a quote and our team will get back to you with availability and pricing.