DJ Rock VC403 Engine Valve Cover Gasket Set

Brand DJ Rock VC403
Fits Kia and Mazda · 12 vehicles

Precise fit. Engineered for easy installation across a wide range of applications.

Premium materials. Built for durability, oil resistance, and temperature tolerance.

Seals effectively. Helps prevent oil leakage and contamination around the valve cover.

Cross-references Davico Mfg 19662, MAHLE VS50133 and 036-1445 for the same application. See all 5.

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Engine Valve Cover Gasket Set for Select Kia and Mazda

DJ Rock VC403 is a premium engine valve cover gasket set engineered to seal the valve cover to the cylinder head and help prevent oil leakage. It is built for select 1990-1995 Kia Sephia, Mazda 323, and Mazda MX-3 applications, including 1994 Mazda 323 with CA emission and 1992-1993 Mazda MX-3.

Key Features

  • Premium-grade valve cover gasket set for engine sealing service
  • Seals the valve cover, rocker cover, cam cover, or cylinder head cover area
  • Built with oil-resistant materials selected for temperature tolerance and durability
  • Precision fit for domestic and import engine applications
  • Designed for OEM-quality sealing performance
  • Part number VC403 for easy identification

Detailed Description

The DJ Rock VC403 valve cover gasket set is made to maintain a tight seal between the valve cover and cylinder head, helping keep engine oil where it belongs and protecting the valvetrain from contamination. The sealing material is selected for flexibility, resistance to oil saturation, and durability under heat and vibration. This makes it a practical replacement for vehicles that need a reliable engine valve cover gasket set for routine repair or leak correction. This part cross-references MAHLE VS50133 for the same application.

What It Helps Fix

  • Oil leaking from the valve cover perimeter
  • Oil residue on the engine exterior
  • Contamination around the valvetrain area
  • Sealing loss caused by heat cycling and vibration
  • Maintenance issues related to worn engine gasket material

Installation Notes and Tips

Clean the sealing surfaces thoroughly before installation and inspect the valve cover and cylinder head mating surfaces for damage or warping. Follow the vehicle service procedure for torque sequence and tightening specifications. Fits 1994-1995 Kia Sephia, N/A. Fits 1990-1994 Mazda 323, N/A. Fits 1994 Mazda 323, N/A. Fits 1992-1993 Mazda MX-3, N/A.

Quality Assurance

DJ Rock VC403 is manufactured to meet or exceed OEM quality standards using materials tested for thermal cycling, engine vibration, and oil exposure.

This part fits 12 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1995KiaSephia1.6LL4N/ADoes not include spark plug tube seals and grommets.
1994KiaSephia1.6LL4N/ADoes not include spark plug tube seals and grommets.
1994Mazda323N/Aw/o Spark Plug Tube Seals & Grommets; w/ CA EMISSION
1994Mazda3231.6LL4N/ADoes not include spark plug tube seals and grommets.
1994Mazda323N/ADoes not include spark plug tube seals and grommets.
1993Mazda3231.6LL4N/ADoes not include spark plug tube seals and grommets.
1993MazdaMX-31.6LL4N/ADoes not include spark plug tube seals and grommets.
1992Mazda3231.6LL4N/ADoes not include spark plug tube seals and grommets.
1992Mazda323N/ADoes not include spark plug tube seals and grommets.
1992MazdaMX-31.6LL4N/ADoes not include spark plug tube seals and grommets.
1991Mazda3231.6LL4N/ADoes not include spark plug tube seals and grommets.
1990Mazda3231.6LL4N/ADoes not include spark plug tube seals and grommets.
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Davico Mfg — 19662MAHLE — VS50133036-1445VS338VS50359R