HomeEngine > Valve Train ComponentsDJ Rock IV638 Engine Intake Valve
Part #: IV638

DJ Rock IV638 Engine Intake Valve

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⚙️ 29 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Nissan and Suzuki, Frontier, Equator, Altima, and Sentra
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Reliable Engine Intake Valve for Nissan and Suzuki Vehicles

The DJ Rock IV638 engine intake valve is designed specifically for select Nissan and Suzuki models, including the Altima, Equator, Frontier, and Sentra. This component ensures proper air intake for optimal engine performance and efficiency.

  • Compatible with Nissan Altima, Equator, Frontier, and Suzuki Sentra models
  • Part number IV638 for precise identification and fitment
  • Engine intake valve designed to regulate airflow into the combustion chamber
  • Manufactured to meet OEM specifications for durability and performance

Product Details and Specifications

The DJ Rock IV638 engine intake valve is engineered to maintain the correct air-fuel mixture by controlling the intake airflow in the valve train system. This valve is critical for the combustion process, directly impacting engine power and fuel efficiency. It is manufactured with materials that withstand high temperatures and pressures typical in engine operation. The valve’s design ensures a tight seal and smooth operation within the cylinder head, reducing wear and maintaining engine reliability over time.

Compatible Nissan and Suzuki Models

This engine intake valve is compatible with the following vehicles: Nissan Altima, Nissan Equator, Nissan Frontier, and Suzuki Sentra. Using the correct intake valve like the DJ Rock IV638 helps maintain engine performance and prevents issues related to improper airflow or valve failure.

Common Issues Addressed by the Intake Valve

  • Reduced engine power due to poor air intake regulation
  • Engine misfires caused by valve wear or damage
  • Increased fuel consumption from inefficient combustion
  • Valve leakage leading to compression loss
  • Excessive engine noise related to valve malfunction

Installation Notes and Tips

Installation of the DJ Rock IV638 engine intake valve should be performed by a qualified technician familiar with Nissan and Suzuki valve train components. Proper valve clearance adjustment and timing are essential to ensure optimal engine operation. It is recommended to inspect related components such as valve springs and seals during installation to prevent future issues.

Quality Assurance and Warranty

DJ Rock manufactures the IV638 engine intake valve to meet or exceed OEM standards, ensuring reliable performance and durability. While specific warranty details may vary, this part is backed by quality control processes to provide consistent fitment and function for Nissan and Suzuki vehicles.

This part fits 29 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2019NissanFrontier2.5LL4N/ANitride Coated; 1 Groove; 35.7mm Head Dia.; 6mm Stem Dia.; 97.2mm O.A.L.
2018NissanFrontier2.5LL4N/ANitride Coated; 1 Groove; 35.7mm Head Dia.; 6mm Stem Dia.; 97.2mm O.A.L.
2017NissanFrontier2.5LL4N/ANitride Coated; 1 Groove; 35.7mm Head Dia.; 6mm Stem Dia.; 97.2mm O.A.L.
2016NissanFrontier2.5LL4N/ANitride Coated; 1 Groove; 35.7mm Head Dia.; 6mm Stem Dia.; 97.2mm O.A.L.
2015NissanFrontierN/ANitride Coated; 1 Groove; 35.7mm Head Dia.; 6mm Stem Dia.; 97.2mm O.A.L.; Intake
2014NissanFrontierN/ANitride Coated; 1 Groove; 35.7mm Head Dia.; 6mm Stem Dia.; 97.2mm O.A.L.; Intake
2013NissanFrontierN/ANitride Coated; 1 Groove; 35.7mm Head Dia.; 6mm Stem Dia.; 97.2mm O.A.L.; Intake
2012NissanFrontierN/ANitride Coated; 1 Groove; 35.7mm Head Dia.; 6mm Stem Dia.; 97.2mm O.A.L.; Intake
2012SuzukiEquatorN/ANitride Coated; 1 Groove; 35.7mm Head Dia.; 6mm Stem Dia.; 97.2mm O.A.L.; Intake
2011NissanFrontierN/ANitride Coated; 1 Groove; 35.7mm Head Dia.; 6mm Stem Dia.; 97.2mm O.A.L.; Intake
2011SuzukiEquatorN/ANitride Coated; 1 Groove; 35.7mm Head Dia.; 6mm Stem Dia.; 97.2mm O.A.L.; Intake
2010NissanFrontierN/ANitride Coated; 1 Groove; 35.7mm Head Dia.; 6mm Stem Dia.; 97.2mm O.A.L.; Intake
2010SuzukiEquatorN/ANitride Coated; 1 Groove; 35.7mm Head Dia.; 6mm Stem Dia.; 97.2mm O.A.L.; Intake
2009NissanFrontierN/ANitride Coated; 1 Groove; 35.7mm Head Dia.; 6mm Stem Dia.; 97.2mm O.A.L.; Intake
2009SuzukiEquatorN/ANitride Coated; 1 Groove; 35.7mm Head Dia.; 6mm Stem Dia.; 97.2mm O.A.L.; Intake
2008NissanFrontierN/ANitride Coated; 1 Groove; 35.7mm Head Dia.; 6mm Stem Dia.; 97.2mm O.A.L.; Intake
2007NissanFrontierN/ANitride Coated; 1 Groove; 35.7mm Head Dia.; 6mm Stem Dia.; 97.2mm O.A.L.; Intake
2006NissanAltimaN/ANitride Coated; 1 Groove; 35.7mm Head Dia.; 6mm Stem Dia.; 97.2mm O.A.L.; Intake
2006NissanFrontierN/ANitride Coated; 1 Groove; 35.7mm Head Dia.; 6mm Stem Dia.; 97.2mm O.A.L.; Intake
2006NissanSentraN/ANitride Coated; 1 Groove; 35.7mm Head Dia.; 6mm Stem Dia.; 97.2mm O.A.L.; Intake
2005NissanAltimaN/ANitride Coated; 1 Groove; 35.7mm Head Dia.; 6mm Stem Dia.; 97.2mm O.A.L.; Intake
2005NissanFrontierN/ANitride Coated; 1 Groove; 35.7mm Head Dia.; 6mm Stem Dia.; 97.2mm O.A.L.; Intake
2005NissanSentraN/ANitride Coated; 1 Groove; 35.7mm Head Dia.; 6mm Stem Dia.; 97.2mm O.A.L.; Intake
2004NissanAltimaN/ANitride Coated; 1 Groove; 35.7mm Head Dia.; 6mm Stem Dia.; 97.2mm O.A.L.; Intake
2004NissanSentraN/ANitride Coated; 1 Groove; 35.7mm Head Dia.; 6mm Stem Dia.; 97.2mm O.A.L.; Intake
2003NissanAltimaN/ANitride Coated; 1 Groove; 35.7mm Head Dia.; 6mm Stem Dia.; 97.2mm O.A.L.; Intake
2003NissanSentraN/ANitride Coated; 1 Groove; 35.7mm Head Dia.; 6mm Stem Dia.; 97.2mm O.A.L.; Intake
2002NissanAltimaN/ANitride Coated; 1 Groove; 35.7mm Head Dia.; 6mm Stem Dia.; 97.2mm O.A.L.; Intake
2002NissanSentraN/ANitride Coated; 1 Groove; 35.7mm Head Dia.; 6mm Stem Dia.; 97.2mm O.A.L.; Intake

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

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.