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Piston Ring Set 8-97331641-0 For Isuzu NKR NPR Standard Size 8973316410
Premium-quality direct replacement piston ring set designed for Isuzu NKR and NPR series light/medium-duty trucks.
Product Overview
Function: Standard piston ring set provides sealing between piston and cylinder wall, controlling compression, oil consumption, and heat transfer. Ensures efficient combustion and low blow-by for Isuzu NKR/NPR diesel engines.
Part Number
8-97331641-0, 8973316410
Product Name
Piston Ring Set / Standard Piston Ring Set
Car Model
ISUZU NKR, NPR
Condition
100% Brand New
Size
Standard
Origin
China Mainland
Warranty
6 Months
Features & Advantages
OE Quality: Manufactured to Isuzu dimensional and material specifications for perfect fit and long service life
Standard Size: Direct replacement for factory bores
High-Strength Materials: Steel or ductile iron rings resist wear and fatigue under high cylinder pressures
Advanced Coatings: Top ring often chrome or PVD coated for reduced friction and scuff resistance
Precision End Gaps: Pre-gapped to OE specification
Oil Ring Assembly: Three-piece design provides excellent oil control and conformability
Restores Engine Performance: Eliminates blue smoke, high oil consumption, and low compression
Cost-Effective: Affordable alternative to genuine rings
Vehicle & Engine Compatibility
This piston ring set is designed for Isuzu NKR and NPR trucks. Compatible engines include:
ISUZU 4JB1 (2.8L diesel)
ISUZU 4JH1 (3.0L turbo diesel)
ISUZU 4HF1 (3.9L diesel)
Other Isuzu engines with standard bore size - verify
Installation Notes
Installation steps (overview):
Clean piston ring grooves thoroughly using a groove cleaning tool
Check ring end gap by inserting each ring into the cylinder bore and measuring with feeler gauge
Install rings onto piston starting with oil ring, then second compression ring, then top ring
Stagger ring gaps around the piston (e.g., 120° apart)
Lubricate rings and piston with engine oil
Compress rings with a ring compressor and install piston into cylinder
Continue engine assembly
Quality Control
Material Verification: Ring material composition and hardness tested
Dimensional Inspection: Ring diameter, width, radial thickness, and end gap verified
Tension Test: Radial tension measured within specification
Coating Adhesion: Chrome/PVD coating tested for bond strength
Visual Inspection: 100% checked for defects
Packaged Safely: Rings organized in plastic tray or paper wrap, boxed with foam
Packaging and Delivery
Neutral export packing or customized packaging available
Carton or wooden case for safe transportation
Fast delivery for stock items
Shipping by Express Air or Sea
Inquiry
For pricing, availability, or bulk purchase of the Piston Ring Set 8-97331641-0 For Isuzu NKR NPR Standard Size 8973316410, please contact our sales team for a competitive quote and expert technical support.
Yimi(Guangzhou) Automotive Parts Co,Ltd
located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality automotiv... Yimi(Guangzhou) Automotive Parts Co,Ltd
located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality automotiv...
