Heavy-duty cylinder block for Isuzu 4HK1 5.2L engines, stress-relieved casting with machined tolerance. OEM 8-98113-412-2 available for global export

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Quick Summary: Isuzu 4HK1 Cylinder Block

The Isuzu 4HK1 cylinder block (OEM: 8-98113-412-2) is a heavy-duty cast iron component for the 5.2L OHC engine.
It features a 115mm bore and fits Isuzu NPR trucks and Hitachi excavators.
In stock for global wholesale.

Source your high-quality Isuzu 4HK1 Engine Block from Ruich Value. As the core foundation for the robust Isuzu 5.2L turbo diesel engine, this heavy-duty cylinder block ensures peak performance and reliability for any professional engine rebuild or repair.

Your Trusted Supplier For:

  • Wholesale Auto Parts Distributors

  • Commercial Fleet Maintenance Managers

  • Engine Rebuilding Workshops

  • Heavy-Duty Repair Shops

Isuzu 4HK1 Engine Block Key Features & Benefits

  • Heavy-Duty Durability: Manufactured from high-grade cast iron to withstand the intense demands of commercial diesel operation, extending engine life.

  • Guaranteed Fitment: Precision-machined to exact OEM specifications for a drop-in replacement, ensuring a smooth and efficient installation.

  • Reliability Assured: Every block undergoes rigorous quality control checks for structural integrity, guaranteeing dependable, long-term performance.

  • Optimal Performance: Engineered to restore original power and efficiency, supporting optimal compression for the 5.2L turbo diesel engine.

  • Wholesale Value: A premium, cost-effective alternative to OEM parts, providing exceptional value for fleets and wholesale buyers without sacrificing quality.

Isuzu 4HK1 Cylinder Block Specifications

Product Type Cylinder Block / Engine Block
Engine Model Isuzu 4HK1 / 4HK1-TC (5.2L Inline-4)
OEM Reference 8-98113-412-2 / 8-97330-819-0
Material Grade High-Grade, Stress-Relieved Cast Iron
Bore Size 115.00 mm
Liner Type Compatible with Dry Liners (Flanged)
Deck Height Precision CNC Machined Tolerance
Oil Gallery Design Precision Drilled and Cleaned
Machining Precision OEM Standard CNC Machined
Quality Inspection 100% Dimensional, Magnetic Particle & Pressure Tested
Application Isuzu NPR/NQR/NRR, Hitachi ZX200/ZX240 Excavators
Packaging Industrial Wooden Crate for Export

Compatibility Note: Always verify fitment with your vehicle’s VIN or specific Engine Serial Number before ordering.

Complete Your Isuzu Engine Parts Order

Ruich Value also supplies a comprehensive range of other high-quality Isuzu cylinder blocks and engine parts. We are your reliable source for models including:

ModelModelModelModel
4BD14HG1-CNG4HE1T4HK1-G
6BD14HE14HV16HK1
4HG14HF14HK14JB1
6BG1

Technical Q&A: Isuzu 4HK1 Cylinder Block

Q1: What are the common failure signs of the Isuzu 4HK1 cylinder block?

The Isuzu 4HK1 cylinder block typically experiences bore scoring from lubrication failure or localized cracking near the cylinder head deck due to extreme overheating. If you notice excessive crankcase blow-by or coolant mixing with oil in your 5.2L engine, these are common indicators of block or liner failure requiring immediate inspection.

Q2: Which part numbers cross-reference to the Isuzu 4HK1 engine block?

The Isuzu 4HK1 cylinder block frequently cross-references to OEM part numbers 8-98113-412-2 and 8-97330-819-0. Always verify compatibility using your specific engine serial number, as the 4HK1 platform has various iterations across different emission standards (Tier 3 / Tier 4) and industrial applications.

Q3: Which equipment models are compatible with the 4HK1 cylinder block?

This heavy-duty 5.2L cast iron block is fully compatible with Isuzu N-Series (NPR, NQR, NRR) commercial trucks and GMC W-Series equivalents. It also serves as a direct rebuild platform for popular heavy equipment, including Hitachi ZX200-3, ZX240-3, and Case CX210B excavators operating under high-load conditions.

Get Your Wholesale Quote Today

Ready to order the Isuzu 4HK1 Cylinder Block or need technical assistance? Contact the Ruich Value team for competitive quotes and dedicated support for your business.

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For Any Inquiries, please feel free to contact us, Our sales teams are always glad to support your business