Replacement piston ring set engineered for Perkins 1000 Series diesel engines including 1004, 1006, 1004.4T, 1006.6T, 1004G, and 1006.6T models. This standard size set features an 100 millimeter cylinder bore diameter with individual ring thicknesses of 3.5 mm, 2.5 mm, and 4 mm. Designed for a three ring piston configuration, each package provides a complete set for one single cylinder. This part replaces manufacturer part number 4181A026 and cross references with 3640594M91, 3641316M91, 4181A023, and 4181A065. Verify your engine model, cylinder bore size, and existing part numbers before ordering to ensure correct application.
Exact Replacement Fit: Built to standard dimensions with an 100 millimeter cylinder bore featuring individual ring thicknesses of 3.5 mm 2.5 mm and 4 mm.
Cylinder Coverage: Includes one complete three ring set designed to service a single engine piston.
Engine Compatibility: Engineered for heavy duty Perkins diesel applications including 1004.4T 1006.6T 1004G 1000 Series model codes 1004.40T 1004.41AC 1004.4T1AH and 1006.6T (YB).
Part Reference Match: Replaces manufacturer part number 4181A026 and cross references with 3640594M91 3641316M91 4181A023 and 4181A065.
Verification Guide: Confirm correct fitment by checking your existing part number and bore size before beginning installation.
