HomeEngine > Valve Train ComponentsDJ Rock IV3144 Engine Intake Valve
Part #: IV3144

DJ Rock IV3144 Engine Intake Valve

⚙️ 31 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Buick, Chevrolet, and Pontiac, Bonneville, Grand Prix, Impala, LaCrosse, LeSabre, Lucerne, Monte Carlo, Park Avenue, and Regal
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Overview of DJ Rock Engine Intake Valve IV3144

The DJ Rock Engine Intake Valve IV3144 is designed for reliable performance in select Buick, Chevrolet, and Pontiac vehicles. Engineered with a nitride coated surface and premium grade materials, this valve supports efficient engine operation and durability.

  • Nitride coated material for enhanced wear resistance
  • Valve head diameter: 46.5 mm
  • Overall length: 120 mm
  • Stem diameter: 7.96 mm
  • Single lock groove design for secure fitment
  • Premium grade type for consistent quality

Detailed Product Description

The DJ Rock IV3144 engine intake valve is crafted with a nitride coating that improves surface hardness and reduces friction, contributing to longer service life. With a valve head diameter of 46.5 mm and a stem diameter of 7.96 mm, this valve is precisely dimensioned to meet OEM specifications. The 120 mm length ensures proper seating and valve timing within the engine's valve train system. Featuring a single lock groove, the valve is designed for secure retention and compatibility with factory valve locks. This premium grade valve is suitable for use in various Buick, Chevrolet, and Pontiac models, including the Bonneville, Grand Prix, Impala, LaCrosse, LeSabre, Lucerne, Monte Carlo, Park Avenue, and Regal.

Compatible Vehicles and Applications

This engine intake valve is compatible with the following makes and models:

  • Buick Bonneville, LaCrosse, LeSabre, Lucerne, Park Avenue, Regal
  • Chevrolet Impala, Monte Carlo
  • Pontiac Grand Prix

It is designed to replace worn or damaged intake valves in these vehicles, helping restore proper engine breathing and combustion efficiency.

Common Issues Addressed by DJ Rock IV3144 Intake Valve

  • Valve wear causing loss of compression and engine power
  • Valve seat leakage leading to poor engine performance
  • Reduced fuel efficiency due to improper valve sealing
  • Engine misfires related to intake valve damage
  • Excessive valve stem wear affecting valve timing

Installation Notes and Tips

Ensure the valve seat and guide are inspected and machined if necessary before installation. Use proper valve spring compressors and follow manufacturer torque specifications for valve locks. Verify valve stem diameter and length compatibility with the engine’s valve train components. Proper lubrication during installation is recommended to prevent premature wear.

Quality Assurance and Warranty

The DJ Rock IV3144 intake valve is manufactured to meet premium grade standards, ensuring consistent material quality and dimensional accuracy. While specific warranty details are not provided, DJ Rock products typically adhere to industry quality controls to support reliable engine performance.

BrandDJ Rock
Part NumberIV3144
MaterialNitride coated
Valve Head Diameter46.5
Length120
Grade TypePremium
Lock Groove Quantity1
Stem Diameter7.96

This part fits 31 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2009BuickLaCrosse3.8LV6N/ANitride Coated; 1 Groove; 46.5mm Head Dia.; 7.96mm Stem Dia.; 120mm O.A.L.; Intake
2008BuickLaCrosse3.8LV6N/ANitride Coated; 1 Groove; 46.5mm Head Dia.; 7.96mm Stem Dia.; 120mm O.A.L.; Intake
2008BuickLucerne3.8LV6N/ANitride Coated; 1 Groove; 46.5mm Head Dia.; 7.96mm Stem Dia.; 120mm O.A.L.; Intake
2008PontiacGrand Prix3.8LV6N/ANitride Coated; 1 Groove; 46.5mm Head Dia.; 7.96mm Stem Dia.; 120mm O.A.L.; Intake
2007BuickLaCrosse3.8LV6N/ANitride Coated; 1 Groove; 46.5mm Head Dia.; 7.96mm Stem Dia.; 120mm O.A.L.; Intake
2007BuickLucerne3.8LV6N/ANitride Coated; 1 Groove; 46.5mm Head Dia.; 7.96mm Stem Dia.; 120mm O.A.L.; Intake
2007PontiacGrand Prix3.8LV6N/ANitride Coated; 1 Groove; 46.5mm Head Dia.; 7.96mm Stem Dia.; 120mm O.A.L.; Intake
2006BuickLaCrosse3.8LV6N/ANitride Coated; 1 Groove; 46.5mm Head Dia.; 7.96mm Stem Dia.; 120mm O.A.L.; Intake
2006BuickLucerne3.8LV6N/ANitride Coated; 1 Groove; 46.5mm Head Dia.; 7.96mm Stem Dia.; 120mm O.A.L.; Intake
2006PontiacGrand Prix3.8LV6N/ANitride Coated; 1 Groove; 46.5mm Head Dia.; 7.96mm Stem Dia.; 120mm O.A.L.; Intake
2005BuickLaCrosse3.8LV6N/ANitride Coated; 1 Groove; 46.5mm Head Dia.; 7.96mm Stem Dia.; 120mm O.A.L.; Intake
2005BuickLeSabre3.8LV6N/ANitride Coated; 1 Groove; 46.5mm Head Dia.; 7.96mm Stem Dia.; 120mm O.A.L.; w/ 2ND DESIGN; Intake
2005BuickPark Avenue3.8LV6N/ANitride Coated; 1 Groove; 46.5mm Head Dia.; 7.96mm Stem Dia.; 120mm O.A.L.; Intake
2005BuickPark Avenue3.8LV6N/ANitride Coated; 1 Groove; 46.5mm Head Dia.; 7.96mm Stem Dia.; 120mm O.A.L.; w/ 2ND DESIGN; Intake
2005ChevroletImpala3.8LV6N/ANitride Coated; 1 Groove; 46.5mm Head Dia.; 7.96mm Stem Dia.; 120mm O.A.L.; Intake
2005ChevroletImpala3.8LV6N/ANitride Coated; 1 Groove; 46.5mm Head Dia.; 7.96mm Stem Dia.; 120mm O.A.L.; w/ 2ND DESIGN; Intake
2005ChevroletMonte Carlo3.8LV6N/ANitride Coated; 1 Groove; 46.5mm Head Dia.; 7.96mm Stem Dia.; 120mm O.A.L.; Intake
2005ChevroletMonte Carlo3.8LV6N/ANitride Coated; 1 Groove; 46.5mm Head Dia.; 7.96mm Stem Dia.; 120mm O.A.L.; w/ 2ND DESIGN; Intake
2005PontiacBonneville3.8LV6N/ANitride Coated; 1 Groove; 46.5mm Head Dia.; 7.96mm Stem Dia.; 120mm O.A.L.; w/ 2ND DESIGN; Intake
2005PontiacGrand Prix3.8LV6N/ANitride Coated; 1 Groove; 46.5mm Head Dia.; 7.96mm Stem Dia.; 120mm O.A.L.; Intake
2004BuickLeSabre3.8LV6N/ANitride Coated; 1 Groove; 46.5mm Head Dia.; 7.96mm Stem Dia.; 120mm O.A.L.; w/ 2ND DESIGN; Intake
2004BuickPark Avenue3.8LV6N/ANitride Coated; 1 Groove; 46.5mm Head Dia.; 7.96mm Stem Dia.; 120mm O.A.L.; Intake
2004BuickPark Avenue3.8LV6N/ANitride Coated; 1 Groove; 46.5mm Head Dia.; 7.96mm Stem Dia.; 120mm O.A.L.; w/ 2ND DESIGN; Intake
2004BuickRegal3.8LV6N/ANitride Coated; 1 Groove; 46.5mm Head Dia.; 7.96mm Stem Dia.; 120mm O.A.L.; Intake
2004BuickRegal3.8LV6N/ANitride Coated; 1 Groove; 46.5mm Head Dia.; 7.96mm Stem Dia.; 120mm O.A.L.; w/ 2ND DESIGN; Intake
2004ChevroletImpala3.8LV6N/ANitride Coated; 1 Groove; 46.5mm Head Dia.; 7.96mm Stem Dia.; 120mm O.A.L.; Intake
2004ChevroletImpala3.8LV6N/ANitride Coated; 1 Groove; 46.5mm Head Dia.; 7.96mm Stem Dia.; 120mm O.A.L.; w/ 2ND DESIGN; Intake
2004ChevroletMonte Carlo3.8LV6N/ANitride Coated; 1 Groove; 46.5mm Head Dia.; 7.96mm Stem Dia.; 120mm O.A.L.; Intake
2004ChevroletMonte Carlo3.8LV6N/ANitride Coated; 1 Groove; 46.5mm Head Dia.; 7.96mm Stem Dia.; 120mm O.A.L.; w/ 2ND DESIGN; Intake
2004PontiacBonneville3.8LV6N/ANitride Coated; 1 Groove; 46.5mm Head Dia.; 7.96mm Stem Dia.; 120mm O.A.L.; w/ 2ND DESIGN; Intake
2004PontiacGrand Prix3.8LV6N/ANitride Coated; 1 Groove; 46.5mm Head Dia.; 7.96mm Stem Dia.; 120mm O.A.L.; Intake

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.