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Apex AMS3642 Fuel Injection Plenum Gasket Set - Upper
| Brand | Apex AMS3642 |
|---|---|
| Position | Upper |
| Fits | Chevrolet, Oldsmobile, and Pontiac · 6 vehicles |
Plenum gasket set. Seals the fuel injection plenum for dependable air and fuel delivery.
Apex AMS3642 Fuel Injection Plenum Gasket Set
The Apex AMS3642 fuel injection plenum gasket set is a direct-fit sealing solution for upper intake service on select GM vehicles. It is built for 1996-1997 Chevrolet Lumina and Monte Carlo, plus 1996 Oldsmobile Cutlass Supreme and 1996 Pontiac Grand Prix with upper-position applications.
Key Features
- Fuel injection plenum gasket set for upper intake sealing
- Fits 1996-1997 Chevrolet Lumina, upper
- Fits 1996-1997 Chevrolet Monte Carlo, upper
- Fits 1996 Oldsmobile Cutlass Supreme, upper
- Fits 1996 Pontiac Grand Prix, upper
- Part number AMS3642 for catalog and service matching
Application Details
Use the Apex AMS3642 when servicing the upper plenum sealing surface on compatible GM V6 applications. This gasket set helps restore the seal between intake components, supporting proper air and fuel delivery on vehicles such as the Chevrolet Lumina, Chevrolet Monte Carlo, Oldsmobile Cutlass Supreme, and Pontiac Grand Prix. If you are searching for an upper intake plenum gasket for 1996-1997 Chevrolet Lumina or 1996-1997 Chevrolet Monte Carlo, AMS3642 is the listed fitment.
Common Issues It May Address
- Upper intake vacuum leaks
- Rough idle caused by plenum sealing loss
- Unmetered air entering the intake tract
- Fuel or air leakage at the upper intake interface
- Service replacement for a worn plenum gasket on GM upper intake assemblies
Installation Notes
Clean both mating surfaces thoroughly before installation and inspect the intake components for warpage, corrosion, or residue that could affect sealing. Follow the vehicle service procedure for torque sequence and recheck all connections after assembly. Confirm upper-position fitment before ordering, especially on 1996-1997 Chevrolet Lumina and Monte Carlo applications.
Quality Assurance
Apex identifies this part as AMS3642 for accurate application lookup and service matching. Verify the vehicle year, make, model, and upper-position requirement against the listed fitment before installation.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1997 | Chevrolet | Lumina | 3.4L | V6 | Upper | — |
| 1997 | Chevrolet | Monte Carlo | 3.4L | V6 | Upper | — |
| 1996 | Chevrolet | Lumina | 3.4L | V6 | Upper | — |
| 1996 | Chevrolet | Monte Carlo | 3.4L | V6 | Upper | — |
| 1996 | Oldsmobile | Cutlass Supreme | 3.4L | V6 | Upper | — |
| 1996 | Pontiac | Grand Prix | 3.4L | V6 | Upper | — |
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