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Product Summary

Long Block Crate Engine Type, Cylinder Heads Included

  • Chevy LC9 5.3L V8 engine for various 2010-2014 GM applications
  • Aluminum Heads, Aluminum Block
  • With VVT, and D.O.D
See more details

Key Specs

Crate Engine TypeLong Block
Engine Displacement5.3 liters
Cylinder Head MaterialAluminum
Intake Manifold IncludedNo
Cylinder Heads IncludedYes
See more specs

Need To Know

Truck Shipment

Truck shipments must be pre-paid with a credit card, certified check or money order

Quick and Easy Returns

Return Policy

ATK Engines DCX14 Details

The ATK Engines DCX14 remanufactured Chevy LC9 5.3L engine is a dependable replacement for various 2010-2014 GM applications, built to restore factory-style performance, efficiency, and drivability. Based on the LC9 engine platform, this 5.3L V8 is a popular choice for trucks and SUVs that need reliable everyday power with the benefits of modern GM valvetrain technology. Its remanufactured construction makes it a practical solution for bringing worn or damaged engines back to life while maintaining OEM-style fitment and function.

This LC9 engine is equipped with both Variable Valve Timing (V.V.T.) and Displacement on Demand (D.O.D.), helping improve fuel efficiency and overall engine performance across a wide range of driving conditions. The included PCV valve cover adds convenience for installation, while the single bolt cam gear is an important compatibility detail for correct application matching. Remanufactured to provide dependable service and solid long-term value, the ATK DCX14 is a strong replacement option for GM vehicles requiring a properly configured 5.3L LC9 engine.

  • Chevy LC9 5.3L V8 engine for 2010-2014 GM applications
  • Aluminum Heads, Aluminum Block
  • With VVT, and D.O.D
  • Block Cast Number: 12571048 Laser Writing
  • Head Cast Number: 799, 243

CARB Warning

Follow EPA, CARB, and state regulations for engine changes

Emissions warning: this part is for vehicle engine changes, not direct oem engine replacements. In California, engine changes are legal when done in compliance with California bureau of automotive repairs (bar) engine change policy. For assistance, call bar referee at: (800) 622-7733. And see https://bar.Ca.Gov/consumer/smog_check_program/engine_changes. All customers must comply with federal epa mobile source enforcement memorandum no. 1a (and addendum) and all applicable state regulations when conducting engine changes. Improper installation and/or use of this part in California may subject the installer and/or owner to a $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and laws of all states for use of this engine change part on makes or models of vehicles that render them noncompliant with applicable state and/or federal emission laws with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine

ATK Engines DCX14 Specifications

KEY SPECS
MFG. Part #DCX14
BrandATK Engines
Crate Engine TypeLong Block
Engine Displacement5.3 liters
Cylinder Head MaterialAluminum
Intake Manifold IncludedNo
Cylinder Heads IncludedYes
Flexplate IncludedNo
GENERAL
Sold in QuantityEach
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