4B20M1 Engine Long Block
2.0T gasoline engine for GAC Trumpchi
A remanufactured replacement long block, shipped worldwide by NANXI POWER from Zhengzhou, China.
- Inline engine, multi-point injection
- 2.0T
- at 5200 rpm
- 145 kW
- at 1600–4500 rpm
- 300 N·m
- Condition
- Remanufactured
- Warranty
- 12 months
- Minimum order
- 1 unit
- Lead time
- 7–30 days
Fits GS8, GM8/M8, GA8 and GN8, 2017–2020
Or email info@nanxipower.com
More engines
All engines
4D56 2.5L long blockMitsubishi, brand-newMOQ: 1 unit
4D56T 2.5L long blockMitsubishi, brand-newMOQ: 1 unit
4F20TC3 2.0L long blockFoton, brand-newMOQ: 1 unit
4F25TC1 2.5L long blockFoton, brand-newMOQ: 1 unit
4G18 1.6L long blockMitsubishi, brand-newMOQ: 1 unit
4G63S4T 2.0T long blockMitsubishi, brand-newMOQ: 1 unit
4G64S4M (FWD) 2.4L long blockMitsubishi, brand-newMOQ: 1 unit
4G64S4N(RWD) 2.4L long blockMitsubishi, brand-newMOQ: 1 unit
4G69S4M (FWD/RWD) 2.4L long blockMitsubishi, brand-newMOQ: 1 unit
4G69S4N (RWD) 2.4L long blockMitsubishi, brand-newMOQ: 1 unitLooking for another engine? Send the engine code or your VIN and we will check what we can supply. Browse all engines

What is the 4B20M1 engine?
The 4B20M1 is a 2.0T gasoline engine used by GAC Trumpchi: a turbocharged inline engine with multi-point injection, a timing chain and a cast iron block.
NANXI POWER supplies it as a remanufactured long block — the core engine you install with your existing intake, fuel and electrical parts.
- Compression ratio
- 11.3:1
- Bore × stroke
- 84 × 90 mm
- Timing drive
- Timing chain
- Emission standard
- Euro VI
Technical specifications
Engine
- Engine code
- 4B20M1
- Brand
- GAC Trumpchi
- Displacement
- 2.0T
- Layout
- Inline Engine
- Drive
- Front-wheel Drive
- Max power
- 145 kW at 5200 rpm
- Max torque
- 300 N·m at 1600–4500 rpm
- Bore × stroke
- 84 × 90 mm
- Compression ratio
- 11.3:1
Build and supply
- Fuel
- Gasoline
- Fuel system
- Multi-Point Injection
- Aspiration
- Turbocharged
- Timing
- Timing Chain System
- Cylinder block
- Cast Iron Cylinder Block
- Cylinder head
- Aluminum Cylinder Head
- Cooling
- Water-Cooled
- Emission standard
- Euro VI
- Production years
- 2017–2020
- Condition
- Remanufactured
- Supply form
- Engine long block
- Packing
- Non-fumigation wooden box
Which vehicles use the 4B20M1?
The 4B20M1 was fitted to these vehicles (2017–2020). Versions differ by market, so we check every order against your VIN before it ships.
- GAC TrumpchiGS8
- GAC TrumpchiGM8/M8
- GAC TrumpchiGA8
- GAC TrumpchiGN8
Confirm the fit in three steps
- Check the engine codeFind "4B20M1" 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 injectors and fuel rail
- Turbocharger and intercooler pipes
- Ignition coils 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
12 month warranty
Every 4B20M1 is fully inspected before shipment and covered by a 12-month warranty written into your order. Before your engine leaves, you can ask for photos of:
- The 4B20M1 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 4B20M1 engine?
The 4B20M1 is used in the GS8, GM8/M8, GA8 and GN8, produced 2017 to 2020. 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 4B20M1?
2.0T gasoline, inline engine, 145 kW at 5200 rpm, 300 N·m at 1600–4500 rpm, timing chain, multi-point injection.
Is the 4B20M1 long block brand new or remanufactured?
It is a remanufactured long block. Every engine is inspected before shipment, and you can ask for photos before it leaves.
Is this 4B20M1 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 4B20M1 long block?
12 months. Coverage and conditions are written into your order.
Do I need to replace the timing chain when installing?
No. The long block is supplied with its timing chain already fitted. Fit new gaskets and check the cooling and fuel connections when you install it.
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 4B20M1
Tell us the quantity and destination. Add your VIN if you would like us to confirm the fit.
Related engines
4G92 1.6L long blockMitsubishi, remanufacturedMOQ: 1 unit
4G94 2.0L long blockMitsubishi, brand-newMOQ: 1 unit
4HG1 4.6L long blockIsuzu, brand-newMOQ: 1 unit
4HK1-TCG61 5.2L long blockIsuzu, brand-newMOQ: 1 unit
4HK1-TCG61 5.2L long blockIsuzu, brand-newMOQ: 1 unit
4J28TC6 2.8L long blockFoton, brand-newMOQ: 1 unit
4JA1 2.5L long blockIsuzu, brand-newMOQ: 1 unit
4JA1 2.5L long blockIsuzu, brand-newMOQ: 1 unit
4N15 2.4L long blockMitsubishi, brand-newMOQ: 1 unit
4Y 2.2L long blockToyota, brand-newMOQ: 1 unit