HomeEngine > Gaskets and Sealing SystemsDJ Rock HGS645 Engine Cylinder Head Gasket Set
Part #: HGS645

DJ Rock HGS645 Engine Cylinder Head Gasket Set

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26 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Nissan and INFINITI, Quest, Maxima, Murano, Altima, and I35
Easy Returns — Return within 60 days for a full refund
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Reliable Engine Cylinder Head Gasket Set for Nissan and Infiniti

The DJ Rock HGS645 engine cylinder head gasket set is designed for precise fitment with select Nissan and Infiniti models. This gasket set ensures a proper seal for your engine’s cylinder head, helping maintain optimal engine performance and preventing leaks.

  • Compatible with Nissan Altima, I35, Maxima, Murano, and Infiniti Quest models
  • Engine cylinder head gasket set designed for reliable sealing
  • Part number HGS645 for accurate identification and replacement
  • Manufactured by DJ Rock, a recognized brand in engine gaskets and sealing systems

Product Details and Compatibility

The DJ Rock HGS645 gasket set is engineered specifically for use in the cylinder head assembly of Nissan and Infiniti vehicles, including the Altima, I35, Maxima, Murano, and Quest. This set provides the necessary components to replace worn or damaged gaskets, ensuring a tight seal between the cylinder head and engine block. Proper sealing is critical to prevent coolant, oil, and combustion gases from leaking, which can lead to engine performance issues or damage.

Common Applications and Problem Resolution

  • Replaces worn or damaged cylinder head gaskets in Nissan Altima and Infiniti Quest engines
  • Prevents coolant leaks that can cause engine overheating
  • Stops oil leaks that may lead to engine contamination
  • Maintains compression by sealing combustion gases effectively
  • Addresses engine misfires or loss of power related to gasket failure

Installation Notes and Tips

  • Ensure the engine block and cylinder head surfaces are clean and free of debris before installation
  • Follow manufacturer torque specifications when tightening cylinder head bolts
  • Inspect related components such as bolts and seals for wear during replacement
  • Use proper tools to avoid damaging the gasket during installation

Quality Assurance and Warranty Information

DJ Rock manufactures the HGS645 gasket set to meet industry standards for durability and performance. While specific warranty details may vary, DJ Rock products typically come with a limited warranty against defects in materials and workmanship. Always verify warranty terms with the product documentation or supplier.

This part fits 26 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2009NissanQuest3.5LV6N/APremium Engine Cylinder Head Gasket Set; includes Valve Grind Set
2008NissanMaxima3.5LV6N/APremium Engine Cylinder Head Gasket Set; includes Valve Grind Set
2008NissanQuest3.5LV6N/APremium Engine Cylinder Head Gasket Set; includes Valve Grind Set
2007NissanMaxima3.5LV6N/APremium Engine Cylinder Head Gasket Set; includes Valve Grind Set
2007NissanMurano3.5LV6N/APremium Engine Cylinder Head Gasket Set; includes Valve Grind Set
2007NissanQuest3.5LV6N/APremium Engine Cylinder Head Gasket Set; includes Valve Grind Set
2006NissanAltima3.5LV6N/APremium Engine Cylinder Head Gasket Set; includes Valve Grind Set
2006NissanMaxima3.5LV6N/APremium Engine Cylinder Head Gasket Set; includes Valve Grind Set
2006NissanMurano3.5LV6N/APremium Engine Cylinder Head Gasket Set; includes Valve Grind Set
2006NissanQuest3.5LV6N/APremium Engine Cylinder Head Gasket Set; includes Valve Grind Set
2005NissanAltima3.5LV6N/APremium Engine Cylinder Head Gasket Set; includes Valve Grind Set
2005NissanMaxima3.5LV6N/APremium Engine Cylinder Head Gasket Set; includes Valve Grind Set
2005NissanMurano3.5LV6N/APremium Engine Cylinder Head Gasket Set; includes Valve Grind Set
2005NissanQuest3.5LV6N/APremium Engine Cylinder Head Gasket Set; includes Valve Grind Set
2004INFINITII353.5LV6N/APremium Engine Cylinder Head Gasket Set; includes Valve Grind Set
2004NissanAltima3.5LV6N/APremium Engine Cylinder Head Gasket Set; includes Valve Grind Set
2004NissanMaxima3.5LV6N/APremium Engine Cylinder Head Gasket Set; includes Valve Grind Set
2004NissanMurano3.5LV6N/APremium Engine Cylinder Head Gasket Set; includes Valve Grind Set
2004NissanQuest3.5LV6N/APremium Engine Cylinder Head Gasket Set; includes Valve Grind Set
2003INFINITII353.5LV6N/APremium Engine Cylinder Head Gasket Set; includes Valve Grind Set
2003NissanAltima3.5LV6N/APremium Engine Cylinder Head Gasket Set; includes Valve Grind Set
2003NissanMaxima3.5LV6N/APremium Engine Cylinder Head Gasket Set; includes Valve Grind Set
2003NissanMurano3.5LV6N/APremium Engine Cylinder Head Gasket Set; includes Valve Grind Set
2002INFINITII353.5LV6N/APremium Engine Cylinder Head Gasket Set; includes Valve Grind Set
2002NissanAltima3.5LV6N/APremium Engine Cylinder Head Gasket Set; includes Valve Grind Set
2002NissanMaxima3.5LV6N/APremium Engine Cylinder Head Gasket Set; includes Valve Grind Set

* 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.