Yukon Gear & Axle 8.25 Inch GM IFS Pinion Seal for 1988 and Up Models

$20.89

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Model#YMSG1012
ManufacturerYukon Gear & Axle

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If you’re like me, you know that keeping your ride in top shape is all about the details. That’s where the Yukon Mighty Seal comes into play. This isn’t just any seal; it’s designed with the latest tech to ensure a snug fit that can withstand years of use. Trust me, when you’re out on the road or tackling rough terrain, you want something that holds up.

The Mighty Seal is specifically made for the GM 8.25" IFS, so you know it’s going to fit like a glove. It’s a pinion seal, which means it plays a crucial role in keeping your differential fluid where it belongs—inside the housing. No one wants to deal with leaks, right? This seal helps prevent that headache.

Now, let’s talk specs. It comes in a sleek black color, which always looks good under the hood. The inside diameter is 1.94 inches, while the outside diameter stretches to 2.9 inches, making it just the right size for those specific fits. It’s about 0.4 inches thick, so it’s sturdy enough to handle the pressure without breaking down. And it’s a specific fit, not some universal part that might leave you guessing.

Wondering if it’ll work for your vehicle? Here’s a quick rundown of some models that this seal fits:

Cadillac Escalade (1999-2000 & 2002-2012)
Chevrolet Avalanche (2007-2013, 1500 2002-2006, 2500 2002-2006)
Chevrolet Blazer (1992-1994)
Chevrolet C/K 1500 (1988-1999)
Chevrolet C/K 2500 (1988-1995)
Chevrolet Silverado 1500 (1999-2012)
Chevrolet Suburban (1992-2012)
Chevrolet Tahoe (1995-2012)
GMC C/K 1500 (1988-1999)
GMC C/K 2500 (1988-1995)
GMC Sierra (1999-2012)
GMC Yukon (1992-2012)
GMC Yukon XL (2000-2012)

So if you're in the market for a reliable pinion seal that’s built to last, the Yukon Mighty Seal is a solid choice. It’s one of those parts you’ll be glad you invested in when you’re out there enjoying the drive, knowing that everything is sealed up tight.

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Vehicle Make/Model	Year	Trims
Cadillac Escalade	1999-2000, 2002-2012	Base
Cadillac Escalade	2008-2012	Platinum
Cadillac Escalade	2009-2012	Hybrid
Cadillac Escalade	2010-2012	Hybrid Platinum
Cadillac Escalade	2011-2012	Luxury
Cadillac Escalade	2011-2012	Premium
Cadillac Escalade	2012	Special Edition
Cadillac Escalade ESV	2003-2012	Base
Cadillac Escalade ESV	2008-2012	Platinum
Cadillac Escalade ESV	2010	Lujo
Cadillac Escalade ESV	2011-2012	Premium
Cadillac Escalade ESV	2011-2012	Luxury
Cadillac Escalade ESV	2012	Special Edition
Cadillac Escalade EXT	2002-2012	Base
Cadillac Escalade EXT	2011-2012	Premium
Cadillac Escalade EXT	2011-2012	Luxury
Chevrolet Avalanche	2007-2012	LT
Chevrolet Avalanche	2007-2012	LS
Chevrolet Avalanche	2007-2013	Base
Chevrolet Avalanche	2007-2012	LTZ
Chevrolet Avalanche	2013	Black Diamond LT
Chevrolet Avalanche	2013	Black Diamond LTZ
Chevrolet Avalanche	2013	Black Diamond LS
Chevrolet Avalanche 1500	2002, 2005-2006	LS
Chevrolet Avalanche 1500	2002-2006	Z71
Chevrolet Avalanche 1500	2002, 2005-2006	LT
Chevrolet Avalanche 1500	2002-2003	On Road Edition
Chevrolet Avalanche 1500	2002-2006	Base
Chevrolet Avalanche 1500	2002-2003	North Face
Chevrolet Avalanche 1500	2003	WBH
Chevrolet Avalanche 1500	2004-2006	Z66
Chevrolet Avalanche 2500	2002-2004	Base
Chevrolet Avalanche 2500	2005-2006	LT
Chevrolet Avalanche 2500	2005-2006	LS
Chevrolet Blazer	1992-1994	Silverado
Chevrolet Blazer	1992-1993	Cheyenne
Chevrolet Blazer	1994	Silverado Sport
Chevrolet Blazer	1994	Base
Chevrolet C1500	1988-1993	Cheyenne
Chevrolet C1500	1988-1992	Scottsdale
Chevrolet C1500	1988-1993	Silverado
Chevrolet C1500	1989-1991	Base
Chevrolet C1500	1990-1993	454 SS
Chevrolet C1500	1990-1993	WT
Chevrolet C1500 Suburban	1992-1999	Base
Chevrolet C1500 Suburban	1992-1994	Silverado
Chevrolet C1500 Suburban	1995-1999	LS
Chevrolet C1500 Suburban	1995-1997, 1999	LT
Chevrolet C2500	1988-1992, 1994-1995	Base
Chevrolet C2500	1988-1995	Silverado
Chevrolet C2500	1988-1995	Cheyenne
Chevrolet C2500	1988-1992	Scottsdale
Chevrolet C2500	1993, 1995	400 SS
Chevrolet C2500	1993, 1995	Custom
Chevrolet C2500	1994-1995	WT
Chevrolet C2500	1995	60th Anniversary
Chevrolet C2500 Suburban	1992-1999	Base
Chevrolet C2500 Suburban	1992-1994	Silverado
Chevrolet C2500 Suburban	1995-1999	LS
Chevrolet C2500 Suburban	1995-1997	LT
Chevrolet K1500	1988-1998	Silverado
Chevrolet K1500	1988-1998	Cheyenne
Chevrolet K1500	1988-1992	Scottsdale
Chevrolet K1500	1990-1998	WT
Chevrolet K1500	1991	Sport
Chevrolet K1500	1994-1997	Base
Chevrolet K1500	1999	LS
Chevrolet K1500 Suburban	1992-1999	Base
Chevrolet K1500 Suburban	1992-1994	Silverado
Chevrolet K1500 Suburban	1995-1999	LS
Chevrolet K1500 Suburban	1995-1997, 1999	LT
Chevrolet K2500	1988-1992	Scottsdale
Chevrolet K2500	1988-1995	Silverado
Chevrolet K2500	1988-1995	Cheyenne
Chevrolet K2500	1994-1995	Base
Chevrolet K2500	1994-1995	WT
Chevrolet K2500 Suburban	1992-1999	Base
Chevrolet K2500 Suburban	1992-1994	Silverado
Chevrolet K2500 Suburban	1995-1997	LT
Chevrolet K2500 Suburban	1995-1999	LS
Chevrolet S10 Blazer	1992-1994	Tahoe LT
Chevrolet S10 Blazer	1992-1994	Tahoe
Chevrolet S10 Blazer	1992	Sport
Chevrolet S10 Blazer	1992-1994	Nevada
Chevrolet S10 Blazer	1992-1994	Base
Chevrolet S10 Blazer	1994	LT
Chevrolet Silverado 1500	1999-2012	LT
Chevrolet Silverado 1500	1999-2012	LS
Chevrolet Silverado 1500	1999-2012	Base
Chevrolet Silverado 1500	2002	Custom
Chevrolet Silverado 1500	2002-2012	WT
Chevrolet Silverado 1500	2003-2006	SS
Chevrolet Silverado 1500	2004-2006, 2009-2012	Hybrid
Chevrolet Silverado 1500	2004-2005	Z71 Off-Road
Chevrolet Silverado 1500	2007-2012	LTZ
Chevrolet Silverado 1500	2010-2012	XFE
Chevrolet Silverado 1500 Classic	2007	LT
Chevrolet Silverado 1500 Classic	2007	SS
Chevrolet Silverado 1500 Classic	2007	LS
Chevrolet Silverado 1500 Classic	2007	Hybrid
Chevrolet Silverado 1500 Classic	2007	WT
Chevrolet Silverado 1500 HD	2001-2003, 2005-2006	LT
Chevrolet Silverado 1500 HD	2001-2003, 2005	LS
Chevrolet Silverado 1500 HD	2005	Base
Chevrolet Silverado 1500 HD Classic	2007	LT
Chevrolet Suburban	1992-1994	Base
Chevrolet Suburban 1500	1995-1996	Cheyenne
Chevrolet Suburban 1500	1995-1996	Custom
Chevrolet Suburban 1500	1997	SLT
Chevrolet Suburban 1500	1997	SLE
Chevrolet Suburban 1500	1997	SLX
Chevrolet Suburban 1500	1998	LX
Chevrolet Suburban 1500	1998-2012	LT
Chevrolet Suburban 1500	1998-2012	LS
Chevrolet Suburban 1500	2000-2012	Base
Chevrolet Suburban 1500	2002-2006	Z71
Chevrolet Suburban 1500	2006-2012	LTZ
Chevrolet Suburban 1500	2010	75 Aniversario Diamond Edition
Chevrolet Suburban 2500	2000-2001, 2009-2012	Base
Chevrolet Suburban 2500	2000-2012	LT
Chevrolet Suburban 2500	2000-2012	LS
Chevrolet Suburban 2500	2007	LTZ
Chevrolet Tahoe	1995-2001, 2006-2009, 2011-2012	Base
Chevrolet Tahoe	1995-2012	LT
Chevrolet Tahoe	1995-2012	LS
Chevrolet Tahoe	2000, 2002-2006, 2008-2010	Z71
Chevrolet Tahoe	2000	Limited
Chevrolet Tahoe	2007-2012	PPV
Chevrolet Tahoe	2007-2012	LTZ
Chevrolet Tahoe	2008-2012	Hybrid
Chevrolet Tahoe	2012	SSV
GMC C1500	1988-1999	Sierra SLE
GMC C1500	1988-1993	Sierra SLX
GMC C1500	1988-1993	Sierra
GMC C1500	1994-1998	Sierra Special
GMC C1500	1994-1999	Sierra SL
GMC C1500	1994-1999	Sierra SLT
GMC C1500	1997	Sierra GT
GMC C1500 Suburban	1992-1999	SLE
GMC C1500 Suburban	1992-1999	Base
GMC C1500 Suburban	1995-1999	SLT
GMC C2500	1988-1993	Sierra SLX
GMC C2500	1988-1995	Sierra SLE
GMC C2500	1988-1993	Sierra
GMC C2500	1994-1995	Sierra SLT
GMC C2500	1994-1995	Sierra SL
GMC C2500 Suburban	1992-1995	Base
GMC C2500 Suburban	1992-1995	SLE
GMC C2500 Suburban	1995	SLT
GMC K1500	1988-1993	Sierra SLX
GMC K1500	1988-1999	Sierra SLE
GMC K1500	1988-1993	Sierra
GMC K1500	1993	Sierra Sport
GMC K1500	1994-1999	Sierra SL
GMC K1500	1994-1999	Sierra SLT
GMC K1500	1994-1998	Sierra Special
GMC K1500	1995	Sierra SLS
GMC K1500 Suburban	1992-1999	SLE
GMC K1500 Suburban	1992-1999	Base
GMC K1500 Suburban	1995-1999	SLT
GMC K2500	1988-1995	Sierra SLE
GMC K2500	1988-1993	Sierra SLX
GMC K2500	1988-1993	Sierra
GMC K2500	1994-1995	Sierra SLT
GMC K2500	1994-1995	Sierra SL
GMC K2500 Suburban	1992-1995	SLE
GMC K2500 Suburban	1992-1995	Base
GMC K2500 Suburban	1995	SLT
GMC Sierra	2007-2009, 2011-2012	Base
GMC Sierra	2008-2012	Denali
GMC Sierra	2010	SLT
GMC Sierra 1500	1999-2012	SLE
GMC Sierra 1500	1999-2003, 2006-2012	SL
GMC Sierra 1500	1999-2012	SLT
GMC Sierra 1500	2001	C3
GMC Sierra 1500	2002-2005	Base
GMC Sierra 1500	2002-2012	Denali
GMC Sierra 1500	2002-2012	WT
GMC Sierra 1500	2002	HT
GMC Sierra 1500	2005-2006, 2009-2012	Hybrid
GMC Sierra 1500	2010-2012	XFE
GMC Sierra 1500 Classic	2007	Hybrid
GMC Sierra 1500 Classic	2007	SLT
GMC Sierra 1500 Classic	2007	SL
GMC Sierra 1500 Classic	2007	Denali
GMC Sierra 1500 Classic	2007	WT
GMC Sierra 1500 Classic	2007	SLE
GMC Sierra 1500 HD	2001-2003, 2005-2006	SLE
GMC Sierra 1500 HD	2001-2003, 2005-2006	SLT
GMC Sierra 1500 HD Classic	2007	SLT
GMC Sierra 1500 HD Classic	2007	SLE
GMC Sierra 2500	1999-2004	SLE
GMC Sierra 2500	1999-2004	SLT
GMC Sierra 2500	1999-2002	SL
GMC Sierra 2500	2002-2004	Base
GMC Sierra 2500	2003-2004	WT
GMC Sierra 2500 HD	2001-2012	SLT
GMC Sierra 2500 HD	2001-2012	SLE
GMC Sierra 2500 HD	2001-2002, 2006	SL
GMC Sierra 2500 HD	2002-2005	Base
GMC Sierra 2500 HD	2003-2012	WT
GMC Sierra 2500 HD	2011-2012	Denali
GMC Sierra 2500 HD Classic	2007	WT
GMC Sierra 2500 HD Classic	2007	SL
GMC Sierra 2500 HD Classic	2007	SLE
GMC Sierra 2500 HD Classic	2007	SLT
GMC Sierra 3500	2001-2006	SLE
GMC Sierra 3500	2001-2002, 2006	SL
GMC Sierra 3500	2001-2006	SLT
GMC Sierra 3500	2002-2005	Base
GMC Sierra 3500	2004-2006	WT
GMC Sierra 3500 Classic	2007	SLE
GMC Sierra 3500 Classic	2007	WT
GMC Sierra 3500 Classic	2007	SLT
GMC Sierra 3500 Classic	2007	SL
GMC Sierra 3500 HD	2007-2012	WT
GMC Sierra 3500 HD	2007-2012	SLT
GMC Sierra 3500 HD	2007-2012	SLE
GMC Sierra 3500 HD	2011-2012	Denali
GMC Yukon	1992-1995, 2007-2009, 2011-2012	Base
GMC Yukon	1992, 1994	Sport
GMC Yukon	1992-2012	SLE
GMC Yukon	1993	GT
GMC Yukon	1995-2012	SLT
GMC Yukon	1996-1997, 2006	SL
GMC Yukon	1999-2012	Denali
GMC Yukon	2008-2012	Hybrid
GMC Yukon	2010-2012	Denali Hybrid
GMC Yukon XL 1500	2000-2012	SLT
GMC Yukon XL 1500	2000-2012	SLE
GMC Yukon XL 1500	2001-2012	Denali
GMC Yukon XL 1500	2006	SL
GMC Yukon XL 2500	2000-2012	SLE
GMC Yukon XL 2500	2000-2012	SLT

Yukon's mission is to build quality parts that exceed your expectations. We achieve this through state-of-the-art product design and an in-house engineering team. Our parts are then produced by leaders in OEM manufacturing and endure rigorous testing.

Yukon Gear & Axle ("Yukon") warrants the original retail purchaser that all Yukon products will be free from defects in materials and workmanship for the periods shown herein. Yukon makes no other warranty of any kind, express or implied. All other warranties, including but not limited to an implied warranty of merchantability or fitness for a particular purpose, are excluded. This warranty is offered provided that the Yukon product has been installed and maintained in accordance with Yukon instructions, and that it has not been subject to modification, accident, abnormal use or misuse. At Yukon's discretion, this warranty may be voided if installation of Yukon product(s) occurs on vehicles with tires that exceed Yukon Maximum Recommended Tire Size.

Upon notification of a warranty claim, Yukon shall investigate the claim of defect, and, in the event of a verified defect, shall, at their sole choice, either repair the defective product, replace it, or refund the purchase price.

This warranty does not cover, and Yukon shall not be liable for, incidental or consequential damages, including loss of time, road service charges, labor charges, inconvenience, loss of vehicle use, loss of revenues, or loss or damage to personal property (including loss or damage to vehicle parts due to the failure of the Yukon product)*. In addition, this warranty does not cover, and Yukon shall not be liable for, any undertaking, representation, or agreements made by dealers or other third parties selling Yukon Gear & Axle products, except where such agreements are within the provisions of this Warranty statement. Also, this warranty does not cover damage to the axle caused by or facilitated by failure of a non-Yukon component.

This agreement offers you specific legal rights. You may also have other rights which vary from state to state.

YUKON WARRANTY BY PRODUCT

Spool

Length:As long as original purchaser owns vehicle in which Spool is originally installed
Notes:It is normal for Spools to cause tire chatter, squeal, or scrubbing when vehicle is not moving in a straight line. Both rear tires must measure the same height from ground to top of wheel for Spool to function properly without premature wear.

Super Joint

Length:As long as original purchaser owns vehicle in which Super Joint is originally installed
Notes:Warranty coverage is for breakage of cross section or caps only. Failure by wear or galling is not covered.

YP - Series Products (other than Spool and Super Joint)

Length:One (1) Year
Notes:Covers parts for one year against manufacturers defects.

Front Axle (1541H)

Length:Ten (10) Years
Notes:Covers parts for ten years against manufacturing defects.

Rear Axle (1541H)

Length:Ten (10) Years
Notes:Covers parts for ten years against manufacturing defects.

Rear Axle 4340 (YA W)

Length:Limited Lifetime
Notes:Limited Lifetime warranty covering manufacturing defects and axle breakage for as long as you own the vehicle. This warranty is not transferable to another party. "No Questions Asked" replacement for first warranty return, however, Yukon reserves the right to either replace axle or refund original purchase price after the first warranty claim. Yukon (through RANDYS Worldwide Automotive) makes final determination on warranty considerations.

Front Axle (Series YA W)

Length:Limited Lifetime
Notes:Limited Lifetime warranty covering manufacturing defects and axle breakage for as long as you own the vehicle. This warranty is not transferable to another party. "No Questions Asked" replacement for first warranty return, however, Yukon reserves the right to either replace axle or refund original purchase price after the first warranty claim. Yukon (through RANDYS Worldwide Automotive) makes final determination on warranty considerations.

Ring & Pinion Gear Set

Length:One (1) Year
Notes:Warrantied against manufacturing defects for one (1) year.

Positraction Differential

Length:One (1) Year
Notes:Exclusions apply, does not cover premature clutch wear or abuse. It is normal for Positraction differentials to cause tire chatter, squeal, or scrubbing when vehicle is not moving in a straight line. Both rear tires must measure the same height from ground to top of wheel for differential to function properly without premature wear. Limited slip additive or appropriate friction modifier must be used with oil to reduce Positraction chatter.

Zip Locker (YZL)

Length:Six (6) Years
Notes:All Zip Lockers come with a six (6) year warranty against manufacturer defect, including any collaterally damaged parts and associated labor, up to $2,000*, for the first two (2) years. Collaterally damaged parts must be submitted for inspection. Receipts for parts and associated labor must be submitted as well. Only claims deemed reasonable by Yukon Gear & Axle will be accepted. Offer may be discontinued without advance notice.

Grizzly Locker (YGL)

Length:One (1) Year
Notes:Covers the replacement of the unit and any collaterally damaged parts and associated labor, up to $2,000. Collaterally damaged parts must be submitted for inspection. Receipts for parts and associated labor must be submitted as well. Only claims deemed reasonable by Yukon Gear & Axle will be accepted. Offer may be discontinued without advance notice.

Yokes

Length:One (1) Year
Notes:Covers parts for one year against manufacturing defects.

Carriers (YC)

Length:One (1) Year
Notes:Covers parts for one year against manufacturing defects.

Tools (YT)

Length:One (1) Year
Notes:Covers parts for one year against manufacturing defects.

Install Kits

Length:One (1) Year
Notes:Includes BK, MK, PK, and YK. Covers parts for one year against manufacturing defects.

Spider Gear Kits (YPK)

Length:One (1) Year
Notes:One year against manufacturing defects. Exclusions apply, does not cover clutch wear in limited slip differentials.

YHC Drive Flanges

Length:Limited Lifetime
Notes:Limited Lifetime warranty covering manufacturing defects and breakage for as long as you own the vehicle. This warranty is not transferable to another party. "No Questions Asked" replacement for first warranty return, however, Yukon reserves the right to either replace the part or refund original purchase price after the first warranty claim. Yukon (through RANDYS Worldwide Automotive) makes final determination on warranty considerations.

Yukon Hardcore Locking Hubs

Length:Limited Lifetime
Notes:Limited Lifetime warranty covering manufacturing defects and breakage for as long as you own the vehicle. This warranty is not transferable to another party. "No Questions Asked" replacement for first warranty return, however, Yukon reserves the right to either replace the part or refund original purchase price after the first warranty claim. Yukon (through RANDYS Worldwide Automotive) makes final determination on warranty considerations

Driveshafts