Reliance Power Parts is proud to offer the first-in-the-industry line of replacement parts for John Deere 12.5 liter engines. We have a selection of inframe and major overhaul kits for applications built from 1997 through 2007, for both standard and high horsepower designs. For less intensive repairs, we offer a broad array of engine parts from our convenient all-in-one kits, from liner sealing ring kits to gaskets to cylinder kits with compression ratios of a range from 14.7:1 to 17:1. Any of these can be comfortably used while servicing the John Deere 12.5 liter engine’s purposeful design for easy maintenance.
Complete aftermarket overhaul
Tier III engine kits
Cylinder head repair kits
& component parts
Substantial cost savings
vs. the OEM
Provides optimal engine performance
The Reliance John Deere 12.5L product line offers excellent coverage, extensive product support and product quality that will provide engine owners the same kind of performance that they have come to expect from their 9.0L engines.
1997 - 2001 engines (thru ESN 30,000) with articulated pistons marked RE66125 or RE503969
2002 - 2007 engines (after ESN 30,000) with articulated pistons marked RE505901, RE518748, RE524324
2002 - 2007 high horsepower engines (after ESN 30,000) with numbers articulated pistons marked RE515356 or RE517209