The UPRK0002 Piston Ring Set is a precision‑engineered replacement ring kit designed for Perkins 1103 and 1104 series diesel engines. Engineered to restore compression, reduce oil consumption and ensure a tight seal between the piston and cylinder wall, this piston ring kit is essential for engine overhauls and rebuilds in generators, tractors and industrial equipment.

Where It Is Used

Perkins diesel engines 1103C‑33, 1104C‑44 and related models
Diesel generator sets powered by Perkins engines
Agricultural tractors, loaders and construction machinery
This kit fits engines with a 105 mm bore and is also cross‑referenced with OEM part 4225072M91.

Key Functions

Seals the combustion chamber to maintain compression and improve power
Controls oil consumption by regulating oil film on cylinder walls
Reduces blow‑by and emissions
Supports efficient engine performance and longevity
Precision‑made rings with durable material for reliable service under heavy load conditions