HomeEngine > Gaskets and Sealing SystemsDJ Rock HG21 Engine Cylinder Head Gasket
Part #: HG21

DJ Rock HG21 Engine Cylinder Head Gasket

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6 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: Honda, Accord and Prelude
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of DJ Rock HG21 Engine Cylinder Head Gasket

The DJ Rock HG21 engine cylinder head gasket is designed specifically for Honda Accord and Prelude models. This gasket ensures a reliable seal between the engine block and cylinder head, maintaining optimal engine performance and preventing leaks.

  • Compatible with Honda Accord and Honda Prelude models
  • Part number HG21 for precise identification
  • Engine cylinder head gasket designed for sealing combustion chambers
  • Manufactured by DJ Rock, a recognized brand in engine gaskets

Key Features and Specifications

The HG21 gasket is engineered to meet the sealing requirements of Honda engines, providing a durable and heat-resistant barrier. It is constructed to withstand high temperatures and pressures typical in combustion chambers, helping to maintain engine compression and prevent coolant or oil leaks.

Application and Compatibility

This engine cylinder head gasket is compatible with Honda Accord and Honda Prelude vehicles, making it suitable for engine repairs or rebuilds requiring a reliable sealing solution. Using the correct gasket like the DJ Rock HG21 ensures proper fitment and engine integrity.

  • Prevents combustion gas leaks
  • Stops coolant and oil cross-contamination
  • Maintains engine compression
  • Helps avoid engine overheating issues
  • Reduces risk of head gasket failure symptoms

Installation Notes and Tips

When installing the DJ Rock HG21 gasket, ensure the cylinder head and engine block surfaces are clean and free of debris. Follow manufacturer torque specifications for head bolts to avoid warping or improper sealing. It is recommended to replace the gasket during engine rebuilds or head repairs to maintain engine reliability.

Quality Assurance and Warranty

DJ Rock produces the HG21 gasket with quality materials designed for durability and performance under demanding engine conditions. While specific warranty details are not provided, DJ Rock products typically meet industry standards for engine sealing components.

This part fits 6 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
1985HondaAccordS1.8LL4N/A
1985HondaAccordBase1.8LL4N/A
1985HondaAccordLX1.8LL4N/A
1984HondaAccordBase1.8LL4N/A
1984HondaAccordLX1.8LL4N/A
1983HondaPrelude1.8LL4N/AES1

* 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.