4HG1 Engine Long Block
4.6 L diesel engine for Isuzu
A brand-new replacement long block, shipped worldwide by NANXI POWER from Zhengzhou, China.
- Inline-four, mechanical direct injection
- 4.6 L
- at 3200 rpm
- 85 kW
- at 1600 rpm
- 291 N·m
- Condition
- Brand new
- Warranty
- 6 months
- Minimum order
- 1 unit
- Lead time
- 7–30 days
Fits NPR/NQR, 1998–2008
Or email info@nanxipower.com
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What is the 4HG1 engine?
The 4HG1 is a 4.6 L diesel engine used by Isuzu: a naturally aspirated inline-four with mechanical direct injection, timing gears and a cast iron block.
NANXI POWER supplies it as a brand-new long block — the core engine you install with your existing intake, fuel and electrical parts.
- Compression ratio
- 19.0:1
- Bore × stroke
- 115 × 110 mm
- Timing drive
- Timing gears
- Emission standard
- Euro 1
Technical specifications
Engine
- Engine code
- 4HG1
- Brand
- Isuzu
- Displacement
- 4.6 L
- Layout
- Inline 4-cylinder
- Drive
- Front-engine, rear-wheel drive (4x2)
- Max power
- 85 kW at 3200 rpm
- Max torque
- 291 N·m at 1600 rpm
- Bore × stroke
- 115 × 110 mm
- Compression ratio
- 19.0:1
Build and supply
- Fuel
- Diesel
- Fuel system
- Mechanical direct injection
- Aspiration
- Naturally aspirated
- Timing
- Timing gears
- Cylinder block
- Cast iron
- Cylinder head
- Cast iron
- Cooling
- Water-cooled
- Emission standard
- Euro 1
- Production years
- 1998–2008
- Condition
- Brand new
- Supply form
- Engine long block
- Packing
- Non-fumigation wooden box
Which vehicles use the 4HG1?
The 4HG1 was fitted to these vehicles (1998–2008). Versions differ by market, so we check every order against your VIN before it ships.
- IsuzuNPR/NQR
Confirm the fit in three steps
- Check the engine codeFind "4HG1" stamped on the cylinder block or shown on the engine label.
- Send your VINThe 17-digit VIN tells us the model year and market version of your vehicle.
- Add a few photosPhotos of the old engine's front, intake side and oil pan help us match mounts and connectors.
What's included in the long block
Included
- Cylinder block
- Crankshaft
- Pistons
- Connecting rods
- Cylinder head
- Valve train
- Timing system
- Valve cover
- Oil pan
Available on request
- Intake and exhaust manifolds
- Fuel injection pump and injectors
- Glow plugs and sensors
- Alternator, starter and A/C compressor
- Gasket and installation kit
Need more than a long block? List the parts in your inquiry and we will quote them together.
Tested before it ships
6 month warranty
Every 4HG1 is fully inspected before shipment and covered by a 6-month warranty written into your order. Before your engine leaves, you can ask for photos of:
- The 4HG1 engine code on the block
- Cylinder head and timing cover
- Oil pan and gearbox interface
- Final packing in the wooden case
- Engines inspected before shipment
- 100%
- Engineering drawings
- 288+
- Key fit clearances checked
- 155+
- Process standards
- 637+
Packed for export, shipped worldwide
Each long block is sealed, fixed to a pallet and packed in a non-fumigation wooden case, so it clears customs without extra treatment. NANXI POWER branded or neutral packing is available.
- Lead time
- 7–30 days
- Minimum order
- 1 unit
- Freight
- Sea, air or land
- Trade terms
- EXW, FOB, CIF, DDP
- Documents
- Invoice and packing list
Common questions
Which vehicles use the 4HG1 engine?
The 4HG1 is used in the NPR/NQR, produced 1998 to 2008. Versions differ by market, so send your VIN and we will check the exact version for your vehicle.
What are the main specifications of the 4HG1?
4.6 L diesel, inline-four, 85 kW at 3200 rpm, 291 N·m at 1600 rpm, timing gears, mechanical direct injection.
Is the 4HG1 long block brand new or remanufactured?
It is supplied brand new. Every engine is inspected before shipment, and you can ask for photos before it leaves.
Is this 4HG1 a complete engine or a long block?
It is a long block: the assembled cylinder block and cylinder head with the crankshaft, pistons, connecting rods, valve train and timing system. Intake, fuel-system and electrical parts can be added to your quotation.
What warranty comes with the 4HG1 long block?
6 months. Coverage and conditions are written into your order.
Can I order one engine, and how long does delivery take?
Yes, the minimum order is one unit. Orders usually ship within 7 to 30 days depending on quantity.
Which trade terms do you offer?
EXW, FOB, CIF and DDP. Tell us your destination port or address and we will quote the terms that suit your order.
About NANXI POWER
Zhengzhou Nanxi Engine Co., Ltd. has been in the engine business since 1998, supplying brand-new and remanufactured engines and long blocks to buyers in Russia, Central Asia, Africa, the Middle East, Europe and the Americas.
- In the engine business since
- 1998
- Engines supplied each year
- 50,000+
Get a quote for the 4HG1
Tell us the quantity and destination. Add your VIN if you would like us to confirm the fit.
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