{"product_id":"mahle-ss45919-engine-valve-stem-oil-seal-set","title":"Mahle SS45919 Engine Valve Stem Oil Seal Set - Exhaust","description":"\u003ch2\u003eMahle SS45919 Valve Stem Oil Seal Set\u003c\/h2\u003e\u003cp\u003eMahle SS45919 is an engine valve stem oil seal set built for exhaust valve service on select GM applications. It uses a metal with molded rubber construction to help maintain a consistent seal at the valve stem and guide interface, supporting proper oil control in the cylinder head.\u003c\/p\u003e\u003cp\u003eCompatible With 1997-2001 Chevrolet Corvette, exhaust; 1998-2001 Chevrolet Camaro, exhaust; 1999-2001 Chevrolet Silverado 1500, exhaust; and additional Chevrolet, GMC, and Pontiac V8 applications listed below. This part cross-references Fel-Pro SS 70945 and General Motors 12457652 for the same application.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMahle engine valve stem oil seal set for exhaust valve service\u003c\/li\u003e\n\u003cli\u003eMetal with molded rubber seal material for durable sealing performance\u003c\/li\u003e\n\u003cli\u003eUpper inside diameter: 7.1 mm\u003c\/li\u003e\n\u003cli\u003eInside diameter: 0.28 in\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 0.491 in\u003c\/li\u003e\n\u003cli\u003eDesigned for OE-style fitment on listed Chevrolet Camaro, Corvette, Silverado, Suburban, Tahoe, GMC Sierra, Yukon, and Pontiac Firebird applications\u003c\/li\u003e\n\u003cli\u003ePart number SS45919 for catalog and fitment lookup\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eMahle SS45919 is a valve stem oil seal set for exhaust-side service on select 1997-2001 GM engines. The seal uses a metal body with molded rubber to provide a controlled seal around the valve stem, with dimensions that include a 0.28-inch inside diameter, 0.491-inch outside diameter, and 7.1 mm upper inside diameter at the valve side. Mahle gaskets and sealing components are trusted by OEMs and technicians for engine sealing applications, and this SS45919 listing is matched to the vehicle fitment shown here.\u003c\/p\u003e\u003cp\u003eVehicle coverage includes 1997-2000 Chevrolet Corvette, 1998-2000 Chevrolet Camaro, 1999-2000 Chevrolet Silverado 1500, 1999-2000 Chevrolet Silverado 2500, 2000 Chevrolet Suburban 1500, 2000 Chevrolet Suburban 2500, 2000 Chevrolet Tahoe, 1999-2000 GMC Sierra 1500, 1999-2000 GMC Sierra 2500, 2000 GMC Yukon, 2000 GMC Yukon XL 1500, 2000 GMC Yukon XL 2500, and 1998-2000 Pontiac Firebird. Additional 2001 exhaust applications include Chevrolet Camaro, Corvette, Silverado 1500, Silverado 1500 HD, Silverado 2500, Silverado 2500 HD, Silverado 3500, Suburban 1500, Suburban 2500, Tahoe, GMC Sierra 1500, Sierra 1500 HD, Sierra 2500, Sierra 2500 HD, Sierra 3500, Yukon, Yukon XL 1500, Yukon XL 2500, and Pontiac Firebird.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eOil leakage past worn valve stem seals\u003c\/li\u003e\n\u003cli\u003eBlue exhaust smoke caused by oil entering the combustion chamber\u003c\/li\u003e\n\u003cli\u003eOil consumption related to aged cylinder head sealing components\u003c\/li\u003e\n\u003cli\u003eValve guide area sealing wear during engine rebuild or head service\u003c\/li\u003e\n\u003cli\u003eLoss of consistent exhaust valve stem oil control\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify engine code, cylinder head design, and valve guide outside diameter before ordering. This listing notes 1st design applications with a 14.4 mm valve guide O.D. on certain 2001 vehicles, so matching the original head configuration is important. Confirm exhaust-side placement and compare the seal dimensions to the removed part before installation. Clean the valve guide area thoroughly and inspect the stem and guide for wear that could affect sealing performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eMahle manufactures sealing products used in OEM and technician service environments, with a focus on dimensional accuracy and engine sealing consistency. SS45919 is cataloged as an OE-style replacement for the listed GM applications and is supported by Mahle’s established gasket and sealing product expertise.\u003c\/p\u003e","brand":"Mahle","offers":[{"title":"Default Title","offer_id":45227866456245,"sku":"FLHQ-SS45919","price":19.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/VG_SS45919_Zz1.jpg?v=1775137261","url":"https:\/\/www.partcatalog.com\/products\/mahle-ss45919-engine-valve-stem-oil-seal-set","provider":"PartCatalog","version":"1.0","type":"link"}