The patented Cognito Alpha Ball Joint is the next level, end-all be-all solution of upper ball joints. It eliminates the problematic dust/grease boot by using a durable scraper type seal that is not susceptible to damage that a traditional dust/grease boot is. Although the ball joint is firmly sealed and pre-greased, there is a grease fitting at top for any periodic maintenance needed. With a small internal cavity for grease, the joint does not need much at all. The internals are alloy steel, absent of any plastic liner, with alloy races and grease paths. The carburized and surface coated taper pin is a precise fit, has an oversized sphere in the socket for large contact surface providing excellent strength and wear characteristics.

This Part Fits:

Year	Make	Model	Submodel
1999-2005	Chevrolet	Silverado 1500	Base
2016-2018	Chevrolet	Silverado 1500	Custom
2014-2018	Chevrolet	Silverado 1500	High Country
2004-2006,2009-2013	Chevrolet	Silverado 1500	Hybrid
1999-2013,2015-2018	Chevrolet	Silverado 1500	LS
1999-2018	Chevrolet	Silverado 1500	LT
2007-2018	Chevrolet	Silverado 1500	LTZ
2003-2006	Chevrolet	Silverado 1500	SS
2015-2018	Chevrolet	Silverado 1500	SSV
2002-2018	Chevrolet	Silverado 1500	WT
2010-2013	Chevrolet	Silverado 1500	XFE
2007	Chevrolet	Silverado 1500 Classic	Hybrid
2007	Chevrolet	Silverado 1500 Classic	LS
2007	Chevrolet	Silverado 1500 Classic	LT
2007	Chevrolet	Silverado 1500 Classic	SS
2007	Chevrolet	Silverado 1500 Classic	WT
2019	Chevrolet	Silverado 1500 LD	Custom
2019	Chevrolet	Silverado 1500 LD	LT
2019	Chevrolet	Silverado 1500 LD	WT
2015-2020	Chevrolet	Suburban	LS
2015-2020	Chevrolet	Suburban	LT
2015-2016	Chevrolet	Suburban	LTZ
2017-2020	Chevrolet	Suburban	Premier
2000-2001,2006	Chevrolet	Suburban 1500	Base
2000-2014	Chevrolet	Suburban 1500	LS
2000-2014	Chevrolet	Suburban 1500	LT
2006-2014	Chevrolet	Suburban 1500	LTZ
2002-2006	Chevrolet	Suburban 1500	Z71
2000-2001,2006	Chevrolet	Tahoe	Base
2008-2013	Chevrolet	Tahoe	Hybrid
2000	Chevrolet	Tahoe	Limited
2000-2020	Chevrolet	Tahoe	LS
2000-2020	Chevrolet	Tahoe	LT
2007-2016	Chevrolet	Tahoe	LTZ
2007-2020	Chevrolet	Tahoe	PPV
2017-2020	Chevrolet	Tahoe	Premier
2012-2020	Chevrolet	Tahoe	SSV
2000,2002-2006	Chevrolet	Tahoe	Z71
2002-2005,2014-2018	GMC	Sierra 1500	Base
2001	GMC	Sierra 1500	C3
2002-2018	GMC	Sierra 1500	Denali
2002	GMC	Sierra 1500	HT
2005-2006,2009-2013	GMC	Sierra 1500	Hybrid
1999-2003,2006-2013	GMC	Sierra 1500	SL
1999-2018	GMC	Sierra 1500	SLE
1999-2018	GMC	Sierra 1500	SLT
2002-2013	GMC	Sierra 1500	WT
2010-2013	GMC	Sierra 1500	XFE
2007	GMC	Sierra 1500 Classic	Denali
2007	GMC	Sierra 1500 Classic	SL
2007	GMC	Sierra 1500 Classic	SLE
2007	GMC	Sierra 1500 Classic	SLT
2007	GMC	Sierra 1500 Classic	WT
2000-2020	GMC	Yukon	Denali
2010-2013	GMC	Yukon	Denali Hybrid
2008-2013	GMC	Yukon	Hybrid
2006	GMC	Yukon	SL
2000-2020	GMC	Yukon	SLE
2000-2020	GMC	Yukon	SLT
2015-2020	GMC	Yukon XL	Denali
2015-2020	GMC	Yukon XL	SLE
2015-2020	GMC	Yukon XL	SLT
2001-2014	GMC	Yukon XL 1500	Denali
2006	GMC	Yukon XL 1500	SL
2000-2014	GMC	Yukon XL 1500	SLE
2000-2014	GMC	Yukon XL 1500	SLT

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