WESPC 4181A045 piston ring kit for Perkins 1004.42 and 1004.40T diesel engines

Application

WESPC 4181A045 piston ring kit for Perkins 1004.42 and 1004.40T diesel engines. Commonly used in Massey Ferguson tractors, Caterpillar 3054 engines, and construction machinery. Designed to mainta

in cylinder sealing and oil control under high-load conditions.

Generator sets

Suitable for Perkins-powered gensets rated 100–150 kVA.

Industrial & construction equipment

Applied in MF286 tractors, Caterpillar compact loaders, and other OEM platforms using Perkins 1004.42 engines.

Technical specifications

Part number: 4181A045

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

Category: Engine Piston and Rings System

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

Compatible engines: Perkins 1004.42 / 1004.40T

Bore size: standard (103.00 mm)

Warranty: 12 months

Interchange part number

4181A045; replaces 4222950M91, U4181A045

WESPC(Dongguan)Tech Co., Ltd. is a wholly-owned subsidiary of WESPC Hong Kong.

The company has long been deeply engaged in the Perkins aftermarket spare parts sector, while also covering a wide range of multi-brand engines and related components. With years of professional expertise and a solid reputation, WESPC provides customers with diverse, one-stop solutions tailored to their needs.

Leveraging the global vision of its Hong Kong headquarters and the strategic location advantages of Dongguan, WESPC Dongguan is committed to building a highly efficient and reliable supply chain system, supported by professional technical expertise and comprehensive after-sales services, to continuously create greater value for its customers.

Looking ahead, the company will continue to expand its business landscape, keep pace with industry trends, and consistently enhance product and service quality—working hand in hand with global partners to achieve mutual growth and success.