Apex ACS3042A Engine Conversion Gasket Set

Brand Apex ACS3042A
Fits Buick, Chevrolet, GMC, Oldsmobile, and Pontiac · 86 vehicles

Conversion gasket set. Provides the sealing components needed for engine conversion work.

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Apex ACS3042A Engine Conversion Gasket Set

The Apex ACS3042A engine conversion gasket set is built for engine sealing service on a wide range of GM and Pontiac applications. It supports repair work on vehicles such as the Chevrolet S10, Chevrolet Camaro, Pontiac Firebird, and Buick Skylark across multiple model years.

Key Features

  • Engine conversion gasket set for sealing-related engine service
  • Compatible with a broad range of 1980-1993 GM passenger cars and light trucks
  • Fits applications including Chevrolet S10, GMC Sonoma, Pontiac Fiero, and Chevrolet Astro
  • Part number ACS3042A for accurate ordering and catalog lookup
  • Useful for engine teardown, reseal, and conversion-related gasket replacement

Detailed Description

Apex ACS3042A is an engine conversion gasket set for vehicles across the Chevrolet, GMC, Buick, Oldsmobile, and Pontiac lineup. Fitment includes 1985-1993 Chevrolet S10, 1991-1993 GMC Sonoma, 1985-1990 Chevrolet Astro, 1982-1986 Chevrolet Camaro, 1984-1986 Pontiac Firebird, and 1980-1985 Buick Skylark. It also covers models such as the Chevrolet Celebrity, Pontiac 6000, Oldsmobile Cutlass Ciera, and Chevrolet S10 Blazer. Use ACS3042A when servicing engine sealing points during conversion or rebuild work where correct gasket fitment matters.

What It Helps Fix

  • Oil seepage from worn engine gaskets
  • Coolant leaks at sealed engine joints
  • Vacuum leaks caused by deteriorated sealing surfaces
  • Compression loss related to failed gasket sealing
  • Leak issues after engine service or component removal

Installation Notes and Tips

Confirm engine configuration before installation and compare all sealing surfaces for damage, warpage, or residue. Clean mating surfaces thoroughly and follow the vehicle service manual for torque sequence and tightening specifications. Verify fitment by year, make, and model before ordering; this set is listed for applications including Chevrolet S10, GMC Sonoma, and Pontiac Fiero. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Quality Assurance

Apex identifies this part as ACS3042A for catalog accuracy and application matching. Use the confirmed vehicle fitment data to select the correct gasket set for the listed GM and Pontiac models.

This part fits 86 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
1993ChevroletLLV2.5LL4—
1993ChevroletS102.5LL4—
1993GMCSonoma2.5LL4—
1992ChevroletLLV2.5LL4—
1992ChevroletS102.5LL4—
1992GMCSonoma2.5LL4—
1991ChevroletLLV2.5LL4—
1991ChevroletS102.5LL4—
1991GMCSonoma2.5LL4—
1990ChevroletAstro2.5LL4—
1990ChevroletLLV2.5LL4—
1990ChevroletS102.5LL4—
1990GMCS152.5LL4—
1990GMCSafari2.5LL4—
1989ChevroletAstro2.5LL4—
1989ChevroletLLV2.5LL4—
1989ChevroletS102.5LL4—
1989GMCS152.5LL4—
1989GMCSafari2.5LL4—
1988ChevroletAstro2.5LL4—
1988ChevroletLLV2.5LL4—
1988ChevroletS102.5LL4—
1988ChevroletS10 Blazer2.5LL4—
1988GMCS152.5LL4—
1988GMCS15 Jimmy2.5LL4—
1988GMCSafari2.5LL4—
1987BuickCentury2.5LL4—
1987ChevroletAstro2.5LL4—
1987ChevroletCelebrity2.5LL4—
1987ChevroletLLV2.5LL4—
1987ChevroletS102.5LL4—
1987ChevroletS10 Blazer2.5LL4—
1987GMCS152.5LL4—
1987GMCS15 Jimmy2.5LL4—
1987GMCSafari2.5LL4—
1987OldsmobileCutlass Ciera2.5LL4—
1987OldsmobileCutlass Cruiser2.5LL4—
1987Pontiac60002.5LL4—
1987PontiacFiero2.5LL4—
1986BuickCentury2.5LL4—
1986ChevroletAstro2.5LL4—
1986ChevroletCamaro2.5LL4—
1986ChevroletCelebrity2.5LL4—
1986ChevroletS102.5LL4—
1986ChevroletS10 Blazer2.5LL4—
1986GMCS152.5LL4—
1986GMCS15 Jimmy2.5LL4—
1986GMCSafari2.5LL4—
1986OldsmobileCutlass Ciera2.5LL4—
1986Pontiac60002.5LL4—
1986PontiacFiero2.5LL4—
1986PontiacFirebird2.5LL4—
1985BuickCentury2.5LL4—
1985BuickSkylark2.5LL4—
1985ChevroletAstro2.5LL4—
1985ChevroletCamaro2.5LL4—
1985ChevroletCelebrity2.5LL4—
1985ChevroletCitation II2.5LL4—
1985ChevroletS102.5LL4—
1985ChevroletS10 Blazer2.5LL4—
1985GMCS152.5LL4—
1985GMCS15 Jimmy2.5LL4—
1985GMCSafari2.5LL4—
1985OldsmobileCutlass Ciera2.5LL4—
1985Pontiac60002.5LL4—
1985PontiacFiero2.5LL4—
1985PontiacFirebird2.5LL4—
1984BuickCentury2.5LL4—
1984BuickSkylark2.5LL4—
1984ChevroletCamaro2.5LL4—
1984ChevroletCelebrity2.5LL4—
1984ChevroletCitation II2.5LL4—
1984OldsmobileCutlass Ciera2.5LL4—
1984OldsmobileOmega2.5LL4—
1984Pontiac60002.5LL4—
1984PontiacFiero2.5LL4—
1984PontiacFirebird2.5LL4—
1984PontiacPhoenix2.5LL4—
1983BuickSkylark2.5LL4—
1983ChevroletCamaro2.5LL4—
1983ChevroletCelebrity2.5LL4—
1982BuickSkylark2.5LL4—
1982ChevroletCamaro2.5LL4—
1982ChevroletCelebrity2.5LL4—
1981BuickSkylark2.5LL4—
1980BuickSkylark2.5LL4—