Engine Cooling Systems

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.

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.

OEM-spec 8-97388-734-0 piston ring set for Isuzu 4JJ1-TC turbo diesel. Modified ductile iron with chrome-plated compression rings resists thermal shock and high-pressure impact. Balanced expander oil ring solves oil blow-by. Precision-ground gaps suit turbo thermal expansion. Strict batch inspection ensures stable quality. Optional full overhaul kits with piston, pin, circlips and liner available.

Piston ring set 8-98053-579-0, STD size for Isuzu 4JJ1 / 4JJ1-TC turbo diesel engine, bore 95.4mm. It includes 2 chrome-coated compression rings and expander oil ring, made of high toughness ductile iron. Specially engineered for high boost, high temperature working condition, pr

OEM-spec 8-97184-533-0 piston ring set for Isuzu 4JX1 turbo diesel. High-toughness ductile iron with chrome-hardened compression rings resists heat, impact and carbon. Balanced expander oil ring controls blow-by. Individually ground gaps suit turbo thermal expansion. Strict batch inspection ensures consistent quality. Optional full overhaul kits available.

OEM-spec 5-12181-027-0 piston ring set for Isuzu C240(4R) diesel engines. Features tough ductile iron base, chrome-plated compression rings for extended wear life, and balanced oil ring tension for reliable oil control. Individually ground end gaps ensure precise fitting. Pre-matched sets with batch inspection guarantee consistent quality. Ideal for forklift and construction machine overhauls. Custom overhaul kits with piston, pin, and circlips available.

Heavy-duty 122-9934 oil cooler for 3412C/3412E engines. Features high-corrosion-resistant aluminum construction, electric/mechanical fan options, and 6-month warranty. Aftermarket direct-fit design ensures reliable cooling efficiency and reduced downtime.