Apex AMS3730 Fuel Injection Plenum Gasket Set - Upper

Apex AMS3730 Fuel Injection Plenum Gasket Set

The Apex AMS3730 fuel injection plenum gasket set is a direct-fit sealing solution for upper intake service on select Buick, Chevrolet, Oldsmobile, and Pontiac applications. It is built for repairs where the upper plenum seal has failed and intake vacuum integrity needs to be restored.

Key Features

• Fuel injection plenum gasket set for upper intake sealing
• Fits 1996-2005 Buick Park Avenue, Upper
• Fits 2004-2005 Chevrolet Impala, Upper
• Fits 2004-2005 Chevrolet Monte Carlo, Upper
• Fits 1997-2004 Buick Regal, Upper
• Fits 1996-2003 Pontiac Bonneville, Upper
• Fits 1997-2003 Pontiac Grand Prix, Upper
• Fits 1996-1999 Buick Riviera, Upper
• Fits 1996-1999 Oldsmobile LSS, Upper
• Part number AMS3730 for application matching and service lookup

Detailed Description

Apex AMS3730 is an upper plenum gasket set for fuel injection intake service on GM vehicles that use an upper sealing surface. It is a practical replacement for maintenance and repair work on Buick Park Avenue, Buick Regal, Pontiac Bonneville, Pontiac Grand Prix, Chevrolet Impala, and Chevrolet Monte Carlo applications where the upper intake plenum must seal properly to the intake manifold. The AMS3730 part number is also helpful when cross-checking intake gasket service for Buick Riviera and Oldsmobile LSS models in the same fitment group.

Common Repair Uses

• Upper intake vacuum leaks
• Rough idle caused by a leaking plenum seal
• Intake air leaks after upper manifold service
• Coolant or oil seepage at the upper intake sealing area
• Check engine light concerns related to intake sealing faults

Installation Notes

Clean the mating surfaces thoroughly before installation and inspect the upper intake components for warpage, cracks, or contamination. Verify vehicle fitment by year, make, model, and upper position before ordering. For service reference, this part number is AMS3730.

Quality Assurance

Apex replacement sealing components are selected for service applications that require accurate fitment and dependable intake sealing performance. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.