Apex AMS5375 Fuel Injection Plenum Gasket Set - Upper

Apex AMS5375 Fuel Injection Plenum Gasket Set

Apex AMS5375 is a fuel injection plenum gasket set for upper intake service on select Nissan and Mercury minivans. It is built for 1999-2002 Nissan Quest and 1999-2002 Mercury Villager applications with an upper position fitment.

Key Features

• Fuel injection plenum gasket set for upper intake sealing
• Direct fit for select 1999-2002 Nissan Quest and Mercury Villager applications
• Supports intake sealing service during plenum removal and reassembly
• Part number AMS5375 for ordering and catalog lookup

Detailed Description

Use Apex AMS5375 when servicing the upper plenum on compatible Nissan Quest and Mercury Villager models. This gasket set is specified for the upper position and is intended to restore the sealing surface between intake components after disassembly. For buyers searching for a 1999-2002 Nissan Quest upper plenum gasket set or a 1999-2002 Mercury Villager upper intake gasket set, AMS5375 provides the correct application match.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Is Used For

• Intake manifold vacuum leaks at the upper plenum
• Rough idle caused by degraded intake sealing surfaces
• Air leakage after upper intake service
• Fuel trim issues related to plenum gasket failure
• Reassembly after upper intake removal on Quest or Villager models

Installation Notes and Tips

Clean the mating surfaces thoroughly before installation and inspect the intake components for warpage, carbon buildup, or damage. Confirm upper-position fitment before ordering, and verify the vehicle application by year, make, and model. Part number AMS5375 should be matched to the exact upper intake service application.

Quality Assurance

Apex identifies this gasket set by part number AMS5375 for accurate catalog matching and application control. Confirmed fitment includes 1999-2002 Nissan Quest, upper, and 1999-2002 Mercury Villager, upper.