WESPC 4115P021 piston kit for Perkins 1103 and 1104 Series diesel engines

Application

WESPC 4115P021 piston kit for Perkins 1103 and 1104 Series diesel engines. Commonly used in FG Wilson generator sets, agricultural tractors, and construction machinery. Restores compression, oil control, and combustion efficiency during overhaul. Alloy piston with anodized crown and nitrided/chrome-faced rings ensures durability under sustained high-load operation.

Generator sets

Suitable for Perkins-powered gensets in the 1103/1104 Series range, delivering stable sealing and reduced oil consumption in both prime and standby duty cycles.

Industrial & agricultural equipment

Applied in Massey Ferguson tractors, telehandlers, and other OEM platforms using Perkins 1103/1104 Series engines. Graphite-coated skirt reduces friction; ring pack maintains sealing under heavy-duty cycles.

Technical specifications

Part number: 4115P021

Function: piston kit (piston, rings, pin, circlips)

Material: alloy piston with anodized crown; ductile cast iron rings with nitrided top and chrome oil control

Compatible engines: Perkins 1103, 1104 Series (various turbocharged and naturally aspirated builds)

Bore size: standard (100.00 mm)

Warranty: 12 months

Interchange part number

4115P021; equivalent to KMP 222074 and other verified replacements for Perkins 1103/1104 Series engines

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.