112mm 4HF1 Piston Ring Set 8971094620 For Isuzu 4HF1T Engine NPR ELF Truck

Piston Ring Set 8-97109-462-0 8971094620 8-97028-691-0 Fits for Isuzu 4HF1 4HF1T Engine NPR Elf Truck 112mm

Core Features

• [Direct Fit & OEM Dimensions] Precision-machined to exact Isuzu factory cylinder bore (112mm) and ring thickness specifications for seamless drop-in installation.

• [High-Performance Sealing & Compression] Optimized top compression rings, second scraper rings, and oil control rings provide superior gas sealing, reduced blow-by, and excellent oil consumption control.

• [Wear-Resistant Alloy Materials] Manufactured from high-grade alloy cast iron and premium steel with specialized coatings to withstand high combustion temperatures and severe friction.

• [Thermal Stability & Radial Tension] Engineered to maintain consistent radial tension and elasticity under extreme thermal expansion and high-load operating cycles.

• [Pre-Shipment Quality Inspection] Rigorously inspected for gap clearance, tension consistency, and surface finish prior to shipment to ensure zero-defect engine rebuilds.

Product Details 

• [Direct Fit Replacement] Directly replaces original equipment part numbers 8-97109-462-0 and 8971094620, cross-referenced with 8-97028-691-0.

• [Engine Compatibility] Specially engineered for Isuzu diesel engines including the 4HF1 and 4HF1-T platforms with a 112mm bore size.

• [Wide Equipment Fitment] Compatible with Isuzu commercial trucks such as ELF, NPR, NKR, NKS, and NPS series.

• [Restores Compression & Power] Effectively eliminates crankcase blow-by, reduces excessive oil consumption, and restores original engine compression and power output during overhauls.