Apex AMS5175 Fuel Injection Plenum Gasket Set - Upper

Fuel Injection Plenum Gasket Set for Maxima

Apex AMS5175 is a fuel injection plenum gasket set for the upper intake area on select Nissan applications. It is built for 1989-1994 Nissan Maxima models with upper-position fitment, making it a direct-match option for intake sealing service.

Key Features

• Fuel injection plenum gasket set for upper intake sealing
• Fits 1989-1994 Nissan Maxima, upper
• Supports intake manifold service and resealing work
• Part number AMS5175 for accurate ordering and lookup
• Brand: Apex

Product Details

This Apex AMS5175 gasket set is used at the upper plenum sealing surface to help restore a proper seal between intake components. For technicians and DIY buyers searching for a 1989-1994 Nissan Maxima upper plenum gasket set, AMS5175 provides a fitment-specific solution for intake reseal jobs on the Maxima platform.

Common Issues It Can Address

• Vacuum leaks at the upper intake sealing surface
• Rough idle caused by intake air leakage
• Loss of sealing after intake service
• Air/fuel mixture issues related to plenum gasket wear
• Need for a replacement during upper intake removal and reassembly

Installation Notes

Clean both mating surfaces before installation and inspect the intake components for warpage, carbon buildup, or damage. Follow the vehicle service procedure for torque sequence and tightening specifications to help achieve a proper seal on the upper plenum.

Quality Assurance

Apex AMS5175 is cataloged for direct fitment on the specified Nissan Maxima applications and is identified for accurate parts matching by part number.