Cylinder Liner 8-97389276-0 For Isuzu NPR 4HF1 Engine
Premium-quality cylinder liner designed as a direct replacement for Isuzu NPR medium-duty trucks equipped with the 4HF1 diesel engine. Restores compression, reduces oil consumption, and extends engine life.
| Part Number |
8-97389276-0, 8973892760 |
| Product Name |
Cylinder Liner / Cylinder Sleeve |
| Car Model |
ISUZU NPR |
| Engine Model |
ISUZU 4HF1 (3.9L Diesel) |
| Condition |
100% Brand New |
| Warranty |
6 Months |
| Material |
High-strength aluminum alloy & precision bearings |
Features & Advantages
- OE Quality: Manufactured to Isuzu dimensional and material specifications
- Centrifugal Casting: Dense, uniform grain structure for high strength
- Hardened Bore Surface: Excellent wear resistance for piston rings
- Precision Machined: Accurate bore size and roundness for proper ring seal
- Plateau Honed Finish: Optimized surface for immediate ring seating
- Corrosion Resistant: Alloy composition resists cavitation erosion
- Direct Replacement: Matches OE dimensions for easy installation
- Cost-Effective: Affordable alternative to genuine OEM liners
Vehicle & Engine Compatibility
Specifically designed for Isuzu NPR trucks with 4HF1 engine.
Isuzu Truck Models:
- ISUZU NPR (NPR59, NPR66, NPR70, NPR71, NPR75, etc. with 4HF1)
- May also fit other Isuzu engines in the same family (4BG1, 4BD1) - verify
Engine Specification - ISUZU 4HF1:
- 4-Cylinder, Inline Diesel, Direct Injection
- Displacement: 3.9L (3856cc)
- Bore × Stroke: 102 mm × 118 mm (typical)
Installation Notes
Installation steps overview for wet liners (typical for 4HF1):
- Remove cylinder head, pistons, and old liners from block
- Clean the block liner bores - remove rust and debris
- Inspect block counterbores for damage or corrosion
- Install new O-rings onto the new liners
- Lubricate O-rings and liner outer surface
- Press or drop new liners into the block bores
- Measure liner protrusion above the block deck
- Hone the liners to final size if needed
- Clean liners thoroughly - remove honing residue
- Install new pistons and rings, then cylinder head
- Fill coolant and check for leaks
Quality Control
- Material Verification: Cast iron alloy composition and hardness tested
- Dimensional Inspection: ID, OD, length, and concentricity verified
- Surface Finish Test: Bore roughness measured for proper ring seating
- Hydrostatic Test: Wet liners pressure-tested for porosity
- Visual Inspection: 100% checked for casting defects or machining errors
- Packaged Safely: Coated with anti-rust oil, individually wrapped
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, please contact our sales team for a competitive quote and expert technical support.