hydraulic piston rings

OEM-spec 8-97941-122-0 piston ring set for Isuzu 4JH1-TC turbo diesel. Modified ductile iron and chrome-plated compression rings resist heat, cracking and wear. Balanced expander oil ring controls blow-by. Individually ground gaps ensure precise fit. Strict batch inspection; overhaul kits available.

High-toughness ductile iron piston ring set 8-94347-867-1 for Isuzu 4JB1/4JB1T diesel engines. Chrome-plated compression rings resist wear and thermal shock; expander oil ring ensures uniform tension and oil control. Individually ground end gaps simplify assembly. Batch-inspected for stable quality. Optional full overhaul kits with piston, pin, circlips and liner available.

P/N 3802657 Diesel Piston, compatible with 6C, 6CT 8.3L, ISC and QSC8.3 engine. Made of high-grade cast aluminum alloy with wear-resistant skirt coating. The optimized combustion chamber structure adapts to severe working conditions of medium & heavy-duty diesel engines.

OEM-spec 5-12121-004-0 piston ring set for Isuzu 4BB1 diesel. High-toughness ductile iron with chrome-hardened compression rings resists high torque and carbon. Balanced expander oil ring solves oil blow-by. Individually ground gaps, strict batch inspection. Optional full overhaul kits.

P/N 3802160 Diesel Piston, compatible with 4BT, 6BT 5.9L and ISB engine. Manufactured from high-grade cast aluminm alloy with wear-resistant skirt coating. Optimized combustion bowl design adapts to medium heavy-duty working environments.