WESPC KRP1251 piston ring kit for Perkins 1004-series diesel engines

Application

WESPC KRP1251 piston ring kit for Perkins 1004-series diesel engines. Commonly used in FG Wilson generator sets, agricultural tractors, and construction machinery. Designed to restore compression and oil control during piston overhaul, ensuring reliable sealing and combustion efficiency under high-load operation.

Generator sets

Suitable for Perkins-powered gensets rated 80–150 kVA. Maintains ring-to-wall contact and reduces blow-by and oil consumption during continuous duty cycles.

Industrial & agricultural equipment

Applied in Massey Ferguson tractors, JCB loaders, and other OEM platforms using Perkins 1004.40 / 1004.40T engines. Supports piston rebuild procedures and enhances engine performance under heavy-duty conditions.

Technical specifications

Part number: KRP1251

Function: piston ring kit (includes top compression, intermediate, and oil control rings)

Material: ductile cast iron with nitrided and chrome-faced surfaces

Compatible engines: Perkins 1004.40 / 1004.40T

Bore size: standard (100.00 mm)

Warranty: 12 months

Interchange part number

KRP1251; verified fitment for Perkins 1004-series engines in generator sets and industrial/agricultural machinery