4JK1 4JJ1 4HK1 4HF1 4HG1 RZ4E 4JB1 4JB1T 4KH1 6HK1 Engine Long Block For ISUZU Truck / Excavator

 

Product Name: ISUZU Truck Engine Long Block 

Material:Steel

Type:Diesel engine

MOQ:1 Piece

Place of Dispatch:China

Quality:100% Professional Test

Type:4JK1 4JJ1 4HK1 4HF1 4HG1 RZ4E 4JB1 4JB1T 4KH1 6HK1 Engine Long Block 

Truck Model Fit for:Isuzu Trucks/Trucks/Industrial Equipment/Agricultural Equipment/Excavator

Packing:Wooden case

Shipping:By Express, By Sea ,By Air

Delivery Time:5-20 Working days

Payment:TT.paypal.Western Union.Trade Assurance

Warranty:1 Year

 

 

           

 

 

 

 

Our ISUZU engine long blocks are fully assembled core units that include the cylinder block, cylinder head, crankshaft, pistons, connecting rods, valves, camshaft, and all critical internal components-providing a more comprehensive solution than short blocks or bare cylinders. Manufactured with high-grade alloy cast iron (or aluminum alloy for specific models) through precision CNC machining, each long block undergoes strict hydrostatic pressure testing and dynamic performance inspections to ensure zero leaks, optimal compression, and maximum durability. We adhere to ISUZU's original design specifications, ensuring perfect compatibility with your existing engine accessories-saving you time on assembly and reducing labor costs. Whether for commercial trucks, construction machinery, agricultural equipment, or pickups, our long blocks are built to withstand the harshest working conditions, consistent with ISUZU's legendary engineering standards.

 

 

 

 

• OEM-Grade Quality: Made with high-grade alloy cast iron (enriched with chromium and copper) or lightweight aluminum alloy, engineered to ISUZU's strict manufacturing standards, ensuring tensile strength, wear resistance, and performance that matches original engines.

 

• Full-Assembly Design: Includes all core components (cylinder block, cylinder head, crankshaft, pistons, valves, camshaft, etc.), eliminating the need to source and assemble individual parts, significantly reducing repair time.

 

• Direct Fitment: Precision-engineered to match ISUZU's original specifications, ensuring seamless installation without modifications to your vehicle or equipment's chassis and accessories.

 

• Strict Quality Control: Every long block undergoes comprehensive hydrostatic pressure testing, compression testing, and factory performance inspections to guarantee integrity, reliability, and consistent performance.

 

• Versatile Compatibility: Suitable for a wide range of ISUZU vehicles and equipment, covering light, medium, and heavy-duty applications across transportation, construction, and agriculture.

 

• Cost-Effective Solution: A reliable alternative to purchasing a brand-new engine, reducing repair costs while maintaining factory-level performance, longevity, and resale value of your equipment.

 

• Secure Packaging & Warranty: Packed in reinforced, fumigated wooden crates to prevent damage during shipping, backed by a 12-24 month manufacturer warranty against material defects and assembly issues.

 

 

 

 

1. 4JK1 Engine Long Block

 

• Core Specifications: Displacement 2.499L (2.5L); Bore × Stroke 95.4mm × 87.4mm; Compression Ratio 18.3:1; Cast iron cylinder block & cylinder head; Inline 4-cylinder, water-cooled, direct injection; Fully assembled with crankshaft, pistons, valves, and camshaft.
• Key Features: Precision CNC-machined cylinder bores and cylinder head for optimal sealing; Rigid cast iron construction for enhanced durability; Compatible with original 4JK1 engine accessories; Pre-tested for compression and oil pressure.
• Applications: ISUZU D-MAX, MU-X, and light trucks; Suitable for light-duty transportation, urban logistics, and personal use.

 

 

2. 4JJ1 Engine Long Block

 

• Core Specifications: Displacement 2.999L (3.0L); Bore × Stroke 95.4mm × 104.9mm; Compression Ratio 17.5:1; 16-valve, DOHC; Cast iron cylinder block & cylinder head; Fully assembled with crankshaft, pistons, connecting rods, valves, and camshaft.
• Key Features: Factory-assembled and tested for performance; Enhanced oil flow design for improved thermal management; High-quality valve train components for smooth operation; Direct fit with original 4JJ1 engine accessories.
• Applications: ISUZU D-MAX, MU-7, MU-X, and medium-duty trucks; Ideal for commercial transportation, construction auxiliary equipment, and off-road use.

 

 

3. 4HK1 Engine Long Block

 

• Core Specifications: Displacement 5.193L; Bore × Stroke 115mm × 125mm; Compression Ratio 16.5:1–18.5:1 (varies by model year); Cast iron cylinder block with dry cylinder liners & cylinder head; Inline 4-cylinder, turbocharged, intercooled; Fully assembled with all core internal components.
• Key Features: Ladder-frame bearing cap design for enhanced rigidity; High-pressure common rail compatibility; B10 life up to 375,000 miles for 2018+ models; Water-cooled EGR compatibility for emission compliance; Pre-assembled and tested for reliability.
• Applications: ISUZU N-Series, Forward series, 6-wheel medium trucks, and 6-wheel mixer trucks; Suitable for long-haul transportation, construction, and logistics.

 

4. 4HF1 Engine Long Block

 

• Core Specifications: Displacement 4.334L; Bore × Stroke 112mm × 110mm; Max Power 110kW @ 2600rpm; Cast iron cylinder block & cylinder head; Inline 4-cylinder, water-cooled, direct injection; Net dry weight 350kg; Fully assembled.
• Key Features: High-pressure rotor fuel pump for lower fuel consumption and noise; Integrated design with 40% fewer components, reducing failure rates; Holset exhaust gas recirculation valve for improved low-speed performance; Factory-assembled to OEM standards.
• Applications: ISUZU NPR, NKR series trucks; Suitable for medium-duty transportation, delivery vehicles, and light construction equipment; 

 

5. 4HG1 Engine Long Block

 

• Core Specifications: Displacement 6.0L; Inline 4-cylinder, naturally aspirated diesel; Compression Ratio 17:1–19:1; Cast iron cylinder block & cylinder head; SOHC valvetrain; Fully assembled with crankshaft, pistons, valves, and camshaft.
• Key Features: Reinforced cylinder walls and cylinder head for durability; Easy to maintain with minimal technical complexity; Pre-assembled and tested for compression and performance; Direct fit with original 4HG1 engine accessories.
• Applications: ISUZU NPR, NQR, ELF series trucks, light buses, small construction machinery, farm equipment, and marine vessels (modified); Popular in Asian, Australian, African, and Middle Eastern markets.

 

6. RZ4E Engine Long Block

 

• Core Specifications: Displacement 1.898L; Bore × Stroke 80.0mm × 94.4mm; Compression Ratio 16.5:1; Aluminum alloy cylinder block & crankshaft for lightweight design; Inline 4-cylinder, turbocharged, intercooled; Dry weight 195kg; Fully assembled with cylinder head and all core components.
• Key Features: High-pressure common rail direct injection system; VGS turbocharger for improved responsiveness; Resin cylinder head cover for additional weight reduction; Low fuel consumption and emissions; Factory-assembled to ensure precision.
• Applications: ISUZU D-MAX pickups, MU-X PPVs; Suitable for personal use, urban transportation, and light commercial applications.

 

7. 4JB1 Engine Long Block

 

• Core Specifications: Displacement 2.771L; Bore × Stroke 93mm × 102mm; Compression Ratio 17.2:1; Cast iron cylinder block & cylinder head; Inline 4-cylinder, direct injection; Net dry weight 124kg; Fully assembled.
• Key Features: Chrome-plated dry cylinder liners for wear resistance; Simple mechanical design with minimal electronic components; Compatible with multiple fuel grades, ideal for regions with low fuel quality; Factory-assembled for easy installation.
• Applications: ISUZU NHR, NKR light trucks, pickups, Bobcat and ASV skid steers, Case excavators; Suitable for urban logistics, rural transportation, and small agricultural machinery.

 

 

8. 4KH1 Engine Long Block

 

• Core Specifications: Displacement 2.999L (3.0L); Bore × Stroke 95.4mm × 104.9mm; Compression Ratio 18.3:1; Cast iron cylinder block & cylinder head; Inline 4-cylinder, turbocharged, intercooled; Net dry weight 250kg; Emission compliance Euro 3–6; Fully assembled.
• Key Features: High-pressure common rail injection system; Precision CNC-machined surfaces for optimal sealing; Enhanced turbocharging efficiency for better low-end torque; Compatible with various ISUZU chassis configurations; Factory-assembled to OEM standards.
• Applications: ISUZU KV100 wide-body light trucks, medium pickups, and light construction equipment; Suitable for urban and intercity transportation, light construction tasks.

 

9. 6HK1 Engine Long Block

 

• Core Specifications: Displacement 7.790L (7.8L); Bore × Stroke 115mm × 125mm; Compression Ratio 17.5:1; Cast iron cylinder block and head; Inline 6-cylinder, turbocharged, intercooled; SOHC 24-valve; Part numbers include 8982069651, 8976001190; Fully assembled with cylinder liner kit, pistons, piston rings, main bearings, connecting rod bearings, valves, and camshaft.
• Key Features: Rigid construction to withstand heavy loads; Hydrostatic pressure tested for leak prevention; Long service life in harsh conditions; Factory-assembled and performance-tested; Direct fit with original 6HK1 engine accessories.
• Applications: ISUZU FVR 34 trucks, Hitachi excavators (ZAX330, ZAX350-3, EX330-3, etc.); Suitable for heavy-duty transportation, large construction projects, and mining equipment.

 

 

 

 

All our ISUZU engine long blocks are engineered to match the original equipment specifications, ensuring perfect fitment with your ISUZU vehicle or equipment. Each long block is pre-assembled to align with the original engine's mounting points, accessory connections, and fuel/air systems-eliminating the need for modifications. If you are unsure about compatibility, please provide your vehicle/equipment model, engine serial number, or part number, and our technical team will assist you in selecting the correct engine long block.

 

 

 

 

• With 29 YEARS experience in supplying ISUZU engine components, we are committed to delivering premium quality products and exceptional customer service. 

 

• Genuine OEM-grade quality, manufactured to ISUZU's  strict standards, ensuring consistency with original engines.

 

• Global availability and fast shipping, with a supply capacity of up to 1000 units per month for popular models, supported by our global distribution network.

 

• Professional technical support and after-sales service, available all day to assist with installation, compatibility, and maintenance questions.

 

• Competitive pricing, helping you reduce repair and operational costs, while minimizing equipment downtime with our fully assembled long blocks.

 

• Secure packaging to ensure products arrive in perfect condition, even during long ocean transit, protecting your investment.

 

 

Please contact us if you need ISUZU truck spares .

 

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