Cylinder Liner Kit 4-Cylinder Set for ISUZU 4HE1 4.8L Diesel Engine OEM Standard Overhaul

Premium cylinder liner kit restores cylinder bore integrity with pistons, rings, and liners for optimal compression, power, and durability in ISUZU 4HE1 diesel engines.

The Cylinder Liner Kit (OEM Numbers: 5-87814919-0 / 5878149190 / 5-87814-919-0) is a premium-quality engine overhaul kit designed specifically for ISUZU NPR, NPR-HD, and NQR trucks equipped with the 4HE1 4.8L diesel engine (1998-2004). This comprehensive kit includes all critical components for a complete 4-cylinder rebuild: 4 pistons with pins and rings, 4 cylinder liners, connecting rod bushings, and snap rings.

• OE Quality: Manufactured to strict ISUZU dimensional and material specifications for perfect fit and function
• Comprehensive Kit: Includes pistons, liners, rings, pins, bushings, and snap rings for a complete 4-cylinder rebuild
• Precision Cylinder Liners: Precision-honed for optimal ring sealing and oil control
• Durable Pistons: Precision-engineered design for proper compression and durability
• Restores Engine Performance: Eliminates power loss, excessive oil consumption, and blow-by caused by worn components
• Reduces Oil Consumption: Proper cylinder sealing minimizes oil consumption
• Extends Engine Life: Restores cylinder integrity for long-lasting engine reliability
• Direct Replacement: Complete kit simplifies engine rebuild process
• TS 16949 Certified: Manufactured under strict quality standards
• Essential Component: Critical for engine overhaul and reliability

This liner kit is specifically designed for ISUZU trucks. Common applications include:

• ISUZU NPR – Medium-Duty Trucks (1998-2004)
• ISUZU NPR-HD – Heavy-Duty Variants (1998-2004)
• ISUZU NQR – Medium-Duty Trucks (1998-2004)
• Chevrolet W-Series – Compatible Models
• GMC W-Series – Compatible Models

• 4-Cylinder, Inline Diesel
• Displacement: 4.8L (290 cu. in.)
• Turbocharged
• Used in NPR, NPR-HD, NQR trucks from 1998-2004

1. Prepare the engine block – Thoroughly clean the block and inspect for cracks or damage
2. Remove old liners – Use a proper liner puller to remove worn liners
3. Clean liner bores – Remove all debris, old sealant, and rust from block liner counterbores
4. Measure new liners – Verify dimensions against OEM specifications
5. Check liner protrusion – Install liners without seals to measure protrusion above the deck; shim if necessary
6. Install liner seals – Install new O-ring seals on the liner lower section (if applicable)
7. Apply sealant – Apply approved sealant to the liner seating surface if specified
8. Press-fit the liner – Use a proper press and mandrel to install the liner into the block
9. Check protrusion again – Measure final liner height above the block deck
10. Hone if necessary – Perform final plateau honing to achieve the correct finish for ring seating
11. Install new pistons and rings – Use new rings and ensure proper ring gap orientation
12. Clean thoroughly – Wash the block and bores to remove all installation debris
13. Check rotating assembly – Ensure crankshaft and connecting rods rotate freely with new liners

• Material Verification: Confirms piston, liner, and ring materials meet OE specifications
• Dimensional Inspection: Liner bore, piston diameter, and ring gaps verified against OEM tolerances
• Surface Finish Inspection: Liner honed finish verified for optimal ring seating and oil retention
• Hardness Testing: Material hardness verified for durability and wear resistance
• Visual Inspection: 100% checked for defects, machining flaws, or damage
• Packaged Safely: Protected and securely packaged to prevent damage during transit

• 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

For pricing, availability, or bulk purchase of the Liner Kit 5-87814919-0 For ISUZU NPR 4HE1 4.8L Engine 5878149190 Truck Parts, please contact our sales team for a competitive quote and expert technical support.