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

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Engine assembly line at NANXI POWER
Engine assembly at NANXI POWER, Zhengzhou

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

  1. Check the engine codeFind "4B20M1" stamped on the cylinder block or shown on the engine label.
  2. Send your VINThe 17-digit VIN tells us the model year and market version of your vehicle.
  3. Add a few photosPhotos of the old engine's front, intake side and oil pan help us match mounts and connectors.
Identification guide. The VIN and OE numbers shown are examples, not this engine's codes.

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.