DJ Rock HGS409 Engine Cylinder Head Gasket Set

Brand DJ Rock HGS409
Grade Type Premium
Cylinder Bore Diameter 86.1
Fits Ford and Mazda · 14 vehicles

Premium grade. Built for professional top-end engine sealing service.

Non-asbestos materials. Engineered for modern sealing requirements across the set.

Complete sealing coverage. Includes components for intake, exhaust, valve cover, and related interfaces.

Cross-references MAHLE HS5851, 032-2869 and 21827 for the same application. See all 8.

$73.40Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
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Free returns within 60 days if it doesn't fit when fitment is verified.

Engine Sealing Set Overview

The DJ Rock HGS409 engine cylinder head gasket set is a premium sealing solution for top-end engine service and cylinder head replacement. It is built to maintain combustion pressure and help prevent oil, coolant, and gas leaks in the engine sealing system.

  • Premium-grade head gasket set for complete top-end engine sealing
  • Non-asbestos construction for modern repair requirements
  • Includes sealing components for intake, exhaust, valve cover, and related engine interfaces
  • Uses MLS, graphite, composite, rubber, silicone, EPDM, and Viton materials where applicable
  • 86.1 mm cylinder bore diameter specification

Detailed Application Coverage

HGS409 is engineered for service work that requires restoring the sealing surfaces between the cylinder head and engine block. It is a fitment-based solution for Ford Probe applications from 1989-1992, Mazda 626 applications from 1988-1992, and Mazda MX-6 applications from 1988-1992. This part cross-references MAHLE HS5851 for the same application. The HGS409 part number is also used to identify this engine cylinder head gasket set across catalog listings.

What It Helps Address

  • Combustion pressure loss from worn head sealing surfaces
  • Oil seepage at valve cover and related gasket interfaces
  • Coolant leakage at engine sealing points
  • Gas leakage between the cylinder head and engine block
  • Seal deterioration during cylinder head replacement or top-end rebuilds

Installation Notes

Use this gasket set during cylinder head service, top-end rebuilds, or related engine sealing repairs. Verify bore diameter, engine configuration, and all gasket interfaces before assembly. Follow factory torque procedures and replace torque-to-yield head bolts when required by the engine application.

Quality Assurance

DJ Rock HGS409 is manufactured to meet or exceed OEM quality standards and uses non-asbestos materials throughout the set. The HGS409 part number identifies a premium engine sealing kit built for professional repair work.

This part fits 14 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
1992FordProbe2.2LL4Premium Engine Cylinder Head Gasket Set; includes Valve Grind Set
1992Mazda6262.2LL4Premium Engine Cylinder Head Gasket Set; includes Valve Grind Set
1992MazdaMX-62.2LL4Premium Engine Cylinder Head Gasket Set; includes Valve Grind Set
1991FordProbe2.2LL4Premium Engine Cylinder Head Gasket Set; includes Valve Grind Set
1991Mazda6262.2LL4Premium Engine Cylinder Head Gasket Set; includes Valve Grind Set
1991MazdaMX-62.2LL4Premium Engine Cylinder Head Gasket Set; includes Valve Grind Set
1990FordProbe2.2LL4Premium Engine Cylinder Head Gasket Set; includes Valve Grind Set
1990Mazda6262.2LL4Premium Engine Cylinder Head Gasket Set; includes Valve Grind Set
1990MazdaMX-62.2LL4Premium Engine Cylinder Head Gasket Set; includes Valve Grind Set
1989FordProbe2.2LL4Premium Engine Cylinder Head Gasket Set; includes Valve Grind Set
1989Mazda6262.2LL4Premium Engine Cylinder Head Gasket Set; includes Valve Grind Set
1989MazdaMX-62.2LL4Premium Engine Cylinder Head Gasket Set; includes Valve Grind Set
1988Mazda6262.2LL4Premium Engine Cylinder Head Gasket Set; includes Valve Grind Set
1988MazdaMX-62.2LL4Premium Engine Cylinder Head Gasket Set; includes Valve Grind Set
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
MAHLE — HS5851032-286921827FS5851HS9572PTHS9572PT-2HS9572PT2HS33140