WESPC 115017581 115017541 Piston Ring Set for Perkins 404D-22 404C-22

Application

WESPC 115017581 / 115017541 piston ring sets are designed for Perkins 404D-22 / 403D-15 and 404C-22 / 403C-15 diesel engines respectively. Both sets feature a 3-ring configuration—two compression rings and one oil control ring—engineered to ensure efficient combustion sealing, reduced blow-by, and stable oil regulation. Suitable for compact engine platforms requiring low emissions, reliable performance, and extended service intervals.

Generator sets

Used in 10–40 kVA Perkins-powered generator sets equipped with 403 and 404 series engines. These ring sets maintain consistent compression and oil control, supporting stable output in both portable and standby power systems.

Industrial systems

Applicable to Perkins 3- and 4-cylinder engines installed in compact tractors, hydraulic systems, and construction machinery. Their wear-resistant metallurgy and precision-machined surfaces ensure durability under frequent load changes, start-stop cycles, and moderate thermal stress.

Technical specifications

Part numbers: 115017581 / 115017541

Function: piston ring set (3-ring configuration)

Material: alloy steel or ductile iron with nitrided or chrome surface treatment

Compatible engines: Perkins 404D-22, 404C-22 / 403D-15, 403C-15

Ring dimensions: standard bore 84 mm

Warranty: 12 months

Interchange part number

115017581 / 115017541; verified fitment for Perkins 403 and 404 series engines in generator and compact industrial applications