{"product_id":"apex-ams3400-fuel-injection-plenum-gasket-set-upper","title":"Apex AMS3400 Fuel Injection Plenum Gasket Set - Upper","description":"\u003ch2\u003eFuel Injection Plenum Gasket Set for GM V6 Applications\u003c\/h2\u003e\u003cp\u003eThe Apex AMS3400 fuel injection plenum gasket set is built for upper intake sealing on select 1991-1994 GM vehicles. It is a direct-fit sealing solution for service work on the Chevrolet Cavalier, Chevrolet Lumina, Pontiac Sunbird, Buick Regal, Chevrolet Corsica, Oldsmobile Cutlass Supreme, Pontiac Grand Prix, and Pontiac 6000.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFuel injection plenum gasket set for upper intake service\u003c\/li\u003e\n\u003cli\u003eFits 1991-1994 Chevrolet Cavalier, upper\u003c\/li\u003e\n\u003cli\u003eFits 1991-1994 Chevrolet Lumina, upper\u003c\/li\u003e\n\u003cli\u003eFits 1991-1994 Pontiac Sunbird, upper\u003c\/li\u003e\n\u003cli\u003eFits 1992-1993 Buick Regal, upper\u003c\/li\u003e\n\u003cli\u003eFits 1991-1993 Chevrolet Corsica, upper\u003c\/li\u003e\n\u003cli\u003eFits 1991-1993 Oldsmobile Cutlass Supreme, upper\u003c\/li\u003e\n\u003cli\u003eFits 1991-1993 Pontiac Grand Prix, upper\u003c\/li\u003e\n\u003cli\u003eFits 1991 Buick Regal, upper, exc. Sequence No. 40001-800000\u003c\/li\u003e\n\u003cli\u003eFits 1991 Pontiac 6000, upper\u003c\/li\u003e\n\u003cli\u003ePart number AMS3400 for ordering and service identification\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eApex AMS3400 is an upper fuel injection plenum gasket set for GM applications that require a reliable seal between intake components. It is used on 1991-1994 Chevrolet Cavalier and Chevrolet Lumina, 1991-1994 Pontiac Sunbird, 1992-1993 Buick Regal, 1991-1993 Chevrolet Corsica, 1991-1993 Oldsmobile Cutlass Supreme, 1991-1993 Pontiac Grand Prix, and 1991 Pontiac 6000. The AMS3400 helps restore proper sealing at the upper intake plenum during intake service and reassembly.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUpper intake plenum gasket replacement during intake manifold service\u003c\/li\u003e\n\u003cli\u003eRepairing vacuum leaks at the plenum sealing surface\u003c\/li\u003e\n\u003cli\u003eAddressing rough idle caused by intake air leakage\u003c\/li\u003e\n\u003cli\u003eCorrecting drivability issues tied to degraded intake seals\u003c\/li\u003e\n\u003cli\u003eReplacing worn or damaged sealing material on GM V6 upper intake assemblies\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eConfirm engine and sequence-number fitment before installation, especially for the 1991 Buick Regal application noted as excluding Sequence No. 40001-800000. Clean both mating surfaces thoroughly before assembly and follow the vehicle service manual for torque sequence and tightening specifications. Verify the upper intake alignment before final assembly to maintain a proper seal.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eApex identifies this part as AMS3400 for accurate cataloging and application matching. This part cross-references Monroe Shocks \u0026amp; Struts (e.g., 172286, 182286) for the same application.\u003c\/p\u003e","brand":"Apex","offers":[{"title":"Default Title","offer_id":52742575718581,"sku":"FMVJ-AMS3400","price":14.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/AG_AMS3400_Fro.jpg?v=1782537318","url":"https:\/\/www.partcatalog.com\/products\/apex-ams3400-fuel-injection-plenum-gasket-set-upper","provider":"PartCatalog","version":"1.0","type":"link"}