Apex AMS5171 Exhaust Manifold Gasket Set

Brand Apex AMS5171
Fits INFINITI, Mercury, and Nissan · 24 vehicles

Manifold gasket set. Seals exhaust joints to help maintain a tight, reliable connection.

Exhaust sealing system. Built for dependable sealing in the exhaust manifold area.

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Apex AMS5171 Exhaust Manifold Gasket Set

Apex AMS5171 is an exhaust manifold gasket set for specific Nissan, INFINITI, and Mercury applications. It provides a direct-fit sealing solution for vehicles including the Nissan Maxima, Nissan Quest, Nissan 300ZX, Nissan 200SX, INFINITI M30, and Mercury Villager.

Key Features

  • Exhaust manifold gasket set for manifold-to-cylinder head sealing
  • Compatible with 1984-1994 Nissan, INFINITI, and Mercury applications listed below
  • Fits 1985-1994 Nissan Maxima, N/A
  • Fits 1994 Nissan Quest, N/A, TO 10/31/93
  • Fits 1993 Mercury Villager, N/A
  • Fits 1993 Nissan Quest, N/A
  • Fits 1990-1992 INFINITI M30, N/A
  • Fits 1984-1989 Nissan 300ZX, N/A
  • Fits 1987-1988 Nissan 200SX, N/A
  • Part number AMS5171 for application matching and catalog lookup

Detailed Description

Apex AMS5171 is an exhaust manifold gasket set used to seal the exhaust manifold to the cylinder head on the listed vehicles. Proper sealing helps maintain exhaust flow integrity and supports correct exhaust system operation on Nissan Maxima, Nissan Quest, Nissan 300ZX, Nissan 200SX, INFINITI M30, and Mercury Villager applications. This part number, AMS5171, is a fitment-specific replacement for vehicles spanning 1984 through 1994.

What It Helps Address

  • Exhaust leaks at the manifold-to-head joint
  • Noise from a leaking exhaust manifold seal
  • Loss of sealing after gasket wear or heat cycling
  • Service replacement during exhaust manifold removal
  • Fitment lookup for AMS5171 on Nissan Maxima and related applications

Installation Notes and Tips

Confirm engine and model-year fitment before installation, especially for the 1994 Nissan Quest noted as TO 10/31/93. Inspect the manifold and cylinder head sealing surfaces for damage, carbon buildup, or warpage before installing the new gasket set. Follow the vehicle service manual for torque sequence and tightening specifications.

Quality Assurance

Apex AMS5171 is cataloged as an exhaust manifold gasket set for the listed OE-style applications. Verify the part number and vehicle fitment against your application before purchase.

This part fits 24 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
1994NissanMaximaGXE3.0LV6N/A—
1994NissanQuest—3.0LV6N/ATO 10/31/93
1993MercuryVillager—3.0LV6N/A—
1993NissanMaximaGXE3.0LV6N/A—
1993NissanQuest—3.0LV6N/A—
1992INFINITIM30—3.0LV6N/A—
1992NissanMaximaGXE3.0LV6N/A—
1991INFINITIM30—3.0LV6N/A—
1991NissanMaxima—3.0LV6N/A—
1990INFINITIM30—3.0LV6N/A—
1990NissanMaxima—3.0LV6N/A—
1989Nissan300ZX—3.0LV6N/A—
1989NissanMaxima—3.0LV6N/A—
1988Nissan200SX—3.0LV6N/A—
1988Nissan300ZX—3.0LV6N/A—
1988NissanMaxima—3.0LV6N/A—
1987Nissan200SX—3.0LV6N/A—
1987Nissan300ZX—3.0LV6N/A—
1987NissanMaxima—3.0LV6N/A—
1986Nissan300ZX—3.0LV6N/A—
1986NissanMaxima—3.0LV6N/A—
1985Nissan300ZX—3.0LV6N/A—
1985NissanMaxima—3.0LV6N/A—
1984Nissan300ZX—3.0LV6N/A—