Finance Your Engine or Transmission With Monthly Payments Via Affirm
Finance Your Engine or Transmission With Monthly Payments Via Affirm

GMC/CHEVY 4.2L Engine

GMC/CHEVY 4.2 Liter Long Block Engine 2002-2009

Remanufactured Zero Mile Gas Engines


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Warranty Labor Upgrades Available from Fraser Engines

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4.2L GMC Chevy Long Block Engine (2002-2009)
  • Standard Option
  • Fraser Advantage



Part No. FEGC42R-HD


Remanufactured, High Durability Crate Engine.

Fraser’s Strongest Available Engine!

All OEM Updates & Upgrades Included. Zero Miles.


Warranty: 1 Year / Unlimited Miles, Parts & Labor

Shipping: To Be Determined / Call for Rates

Core Deposit: Call for Details


UNIT COST: $3299.00



WARRANTY – 3 Year / Unlimited Miles, No-Fault – Add+$249

WARRANTY – No-Fault Warranty Upgrade – Call

Part Type:  Remanufactured Engine Assembly (Factory Spec)

This remanufactured GMC/CHEVY 4.2 Liter Long Block engine includes the following enhancements from Fraser Engines:

  • Bore and hone all cylinders to OEM clearances (We check all clearances within .0001 of inch),
  • Decking cylinder head(s) and block for straightness,
  • Cutting valve seats and valves to proper degree,
  • Line boring/honing crankshaft/camshaft tunnels,
  • Ground & polish crankshaft, new or remanufactured camshaft(s),
  • New main bearings, rod bearings, pistons, piston rings, lifters, pushrods (if equipped), timing components, oil pump, head bolts,
  • All new internal gaskets and seals.
  • All finishing gaskets are included (MAY VARY PER APPLICATION).

GMC/CHEVY 4.2 Liter Long BlockEngines

The GMC/CHEVY 4.2 Liter Long Block Engine 2002-2009 is a straight-six engine designed specifically for use in vehicles from General Motors Corporation.

The engine block and cylinder head are made of cast iron. It has a Single Overhead Camshaft (SOHC) design and features Variable Valve Timing (VVT) for increased performance.

The engine specifications include:

  • A displacement of 256 cubic inches (4,195 cubic centimeters)
  • 3.66 in x 4.01 in (93 mm x 102 mm) cylinder bore and piston stroke
  • 10.0:1 compression ratio
  • 275 horsepower (205 kW) at 6,000 rpm
  • 275 lb-ft (373 Nm) of torque at 3,600 rpm

The GMC/CHEVY 4.2 Liter Long Block Engine was first introduced in 2002, and it quickly gained popularity due to its performance and reliability. It was primarily used in the Chevrolet Trailblazer and GMC Envoy SUVs, as well as the Chevrolet Colorado and GMC Canyon pickup trucks.

The engine is equipped with a balance shaft, which reduces engine vibration and provides a smoother ride. It also features sequential fuel injection, which provides better fuel efficiency and increased power.

The GMC/CHEVY 4.2 Liter Long Block Engine has proven to be a reliable and powerful engine, and it is still sought after by car enthusiasts and mechanics alike. It is an excellent choice for those looking for a strong and durable engine for their vehicle.


The GMC/CHEVY 4.2 Liter Long Block Engine 2002-2009 was primarily used in the following vehicles:

  • Chevrolet Trailblazer (2002-2009)
  • GMC Envoy (2002-2009)
  • Buick Rainier (2004-2007)
  • Isuzu Ascender (2003-2008)
  • Oldsmobile Bravada (2002-2004)
  • Saab 9-7x (2005-2009)


Additionally, the engine was also used in the following Chevrolet and GMC pickup trucks:

  • Chevrolet Colorado (2004-2006)
  • GMC Canyon (2004-2006)


It's worth noting that while the GMC/CHEVY 4.2 Liter Long Block Engine was used primarily in these vehicles, it may have been used in other GM models as well.

A core deposit is a charge added to the purchase of most engines or transmissions. We use the term "deposit" because once your new part is installed, we'll graciously pick-up your old engine or transmission free of charge and then refund the core deposit you paid.

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To express our thanks, you’ll receive a 3% discount towards your engine or transmission order. 

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