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  See more parts for Chevrolet Avalanche 1500
Select the year of your Chevrolet Avalanche 1500:
Yukon Gear & Axle Axle Seal 9.5 Inch for GM Trucks and SUVs YMS3747 - YMS3747

Yukon Gear & Axle YMS3747 Mighty Seal

When it comes to maintaining your vehicle's performance, the Yukon Gear & Axle YMS3747 Mighty Seal is a top choice for those who want reliability and durability. Designed with precision in mind, this rear axle seal ensures a snug fit that helps keep your axle protected from dirt and moisture, ultimately extending its lifespan.

Features:

  • Rear axle seal specifically designed for GM 9.5" axles
  • Made with advanced manufacturing technologies for a tight seal
  • Durable construction that stands up to wear and tear

Specifications:

  • Color: Black
  • Fitment: Specific Fit for various GM models

Customer Feedback:

"I installed the YMS3747 in my Silverado, and I couldn't be happier. The fit was perfect, and I feel more confident driving knowing my axle is well protected." - Mark T.

"This seal has held up great in my Avalanche. No leaks so far, and it was easy to install. Highly recommend!" - Lisa R.

Product Fitment:

Compatible with the following models:

  • Chevrolet Avalanche 1500 (2002-2006)
  • Chevrolet Avalanche 2500 (2002-2006)
  • Chevrolet C/K 1500 (1988-1999)
  • Chevrolet C/K 20 (1981-1986)
  • Chevrolet C/K 2500 (1988-2000)
  • Chevrolet Express (1996-2009)
  • Chevrolet G30 (1983-1991)
  • Chevrolet R/V 20 (1987)
  • Chevrolet Silverado 1500 (2001-2007)
  • Chevrolet Silverado 2500 (1999-2004)
  • Chevrolet Suburban (1981-1999)
  • GMC C/K 1500 (1988-1999)
  • GMC C/K 2500 (1981-1986 & 1988-1997)
  • GMC G3500 (1991-1992)
  • GMC R2500 (1987)
  • GMC Savana (1996-2009)
  • GMC V2500 (1987)
  • GMC Yukon (2001)
  • GMC Yukon XL (2000-2009)
  • Hummer H2 (2003-2009)

With the Yukon Gear & Axle YMS3747 Mighty Seal, you’re not just buying a part; you’re investing in peace of mind for your vehicle. Whether you're tackling tough terrain or just driving around town, this seal is built to last.

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle Make/Model
Chevrolet Avalanche 1500 2002, 2005-2006 LT
Chevrolet Avalanche 1500 2002-2006 Z71
Chevrolet Avalanche 1500 2002-2003 North Face
Chevrolet Avalanche 1500 2002-2003 On Road Edition
Chevrolet Avalanche 1500 2002-2006 Base
Chevrolet Avalanche 1500 2002, 2005-2006 LS
Chevrolet Avalanche 1500 2003 WBH
Chevrolet Avalanche 1500 2004-2006 Z66
Chevrolet Avalanche 2500 2002-2004 Base
Chevrolet Avalanche 2500 2005-2006 LS
Chevrolet Avalanche 2500 2005-2006 LT
Chevrolet C10 Suburban 1981-1986 Custom
Chevrolet C10 Suburban 1981 Deluxe
Chevrolet C10 Suburban 1982, 1984-1986 Scottsdale
Chevrolet C10 Suburban 1982-1986 Silverado
Chevrolet C1500 1988-1993 Silverado
Chevrolet C1500 1988-1992 Scottsdale
Chevrolet C1500 1988-1993 Cheyenne
Chevrolet C1500 1989-1991 Base
Chevrolet C1500 1990-1993 WT
Chevrolet C1500 1990-1993 454 SS
Chevrolet C1500 Suburban 1992-1999 Base
Chevrolet C1500 Suburban 1992-1994 Silverado
Chevrolet C1500 Suburban 1995-1997, 1999 LT
Chevrolet C1500 Suburban 1995-1999 LS
Chevrolet C20 1981, 1986 Cheyenne
Chevrolet C20 1981-1986 Custom
Chevrolet C20 1981-1986 Scottsdale
Chevrolet C20 1981-1986 Silverado
Chevrolet C20 1981 Deluxe
Chevrolet C20 1986 Base
Chevrolet C20 Suburban 1981-1986 Custom
Chevrolet C20 Suburban 1981 Deluxe
Chevrolet C20 Suburban 1982, 1984-1986 Scottsdale
Chevrolet C20 Suburban 1982-1986 Silverado
Chevrolet C2500 1988-1992 Scottsdale
Chevrolet C2500 1988-1992, 1994-1995, 2000 Base
Chevrolet C2500 1988-1995 Cheyenne
Chevrolet C2500 1988-1995 Silverado
Chevrolet C2500 1993, 1995-1999 400 SS
Chevrolet C2500 1993, 1995 Custom
Chevrolet C2500 1994-1995 WT
Chevrolet C2500 1995 60th Anniversary
Chevrolet C2500 2000 LS
Chevrolet C2500 Suburban 1992-1994 Silverado
Chevrolet C2500 Suburban 1992-1999 Base
Chevrolet C2500 Suburban 1995-1997 LT
Chevrolet C2500 Suburban 1995-1999 LS
Chevrolet Express 1500 1996-2009 Base
Chevrolet Express 1500 1996-2009 LS
Chevrolet Express 1500 2001-2002, 2006-2009 LT
Chevrolet G30 1983-1991 Sportvan
Chevrolet G30 1983-1991 Beauville
Chevrolet G30 1983-1991 Chevy Van
Chevrolet G30 1983-1991 Hi-Cube
Chevrolet G30 1983-1984 Bonaventure
Chevrolet K10 Suburban 1981-1986 Custom
Chevrolet K10 Suburban 1981 Deluxe
Chevrolet K10 Suburban 1982, 1984-1986 Scottsdale
Chevrolet K10 Suburban 1982-1983, 1985-1986 Silverado
Chevrolet K1500 1988-1992 Scottsdale
Chevrolet K1500 1988-1998 Cheyenne
Chevrolet K1500 1988-1998 Silverado
Chevrolet K1500 1990-1998 WT
Chevrolet K1500 1991 Sport
Chevrolet K1500 1994-1997 Base
Chevrolet K1500 1999 LS
Chevrolet K1500 Suburban 1992-1994 Silverado
Chevrolet K1500 Suburban 1992-1999 Base
Chevrolet K1500 Suburban 1995-1997, 1999 LT
Chevrolet K1500 Suburban 1995-1999 LS
Chevrolet K20 1981 Cheyenne
Chevrolet K20 1981-1986 Scottsdale
Chevrolet K20 1981-1986 Custom
Chevrolet K20 1981-1983, 1985-1986 Silverado
Chevrolet K20 1981 Deluxe
Chevrolet K20 Suburban 1981 Deluxe
Chevrolet K20 Suburban 1981-1986 Custom
Chevrolet K20 Suburban 1982-1983, 1985-1986 Silverado
Chevrolet K20 Suburban 1982, 1984-1986 Scottsdale
Chevrolet K2500 1988-1998 Cheyenne
Chevrolet K2500 1988-1992 Scottsdale
Chevrolet K2500 1988-1998 Silverado
Chevrolet K2500 1994-1995, 1998 WT
Chevrolet K2500 1994-1997, 1999-2000 Base
Chevrolet K2500 1999-2000 LS
Chevrolet K2500 Suburban 1992-1994 Silverado
Chevrolet K2500 Suburban 1992-1999 Base
Chevrolet K2500 Suburban 1995-1999 LS
Chevrolet K2500 Suburban 1995-1997 LT
Chevrolet R10 Suburban 1987-1988 Silverado
Chevrolet R10 Suburban 1987 Custom Deluxe
Chevrolet R10 Suburban 1987-1988 Scottsdale
Chevrolet R1500 Suburban 1989-1991 Scottsdale
Chevrolet R1500 Suburban 1989-1991 Silverado
Chevrolet R20 Suburban 1987 Custom Deluxe
Chevrolet R20 Suburban 1987-1988 Silverado
Chevrolet R20 Suburban 1987-1988 Scottsdale
Chevrolet R2500 Suburban 1989-1991 Silverado
Chevrolet R2500 Suburban 1989-1991 Scottsdale
Chevrolet Silverado 1500 2001-2007 LT
Chevrolet Silverado 1500 2001-2007 Base
Chevrolet Silverado 1500 2001-2007 LS
Chevrolet Silverado 1500 2002-2007 WT
Chevrolet Silverado 1500 2002 Custom
Chevrolet Silverado 1500 2003-2006 SS
Chevrolet Silverado 1500 2004-2005 Z71 Off-Road
Chevrolet Silverado 1500 2004-2006 Hybrid
Chevrolet Silverado 1500 2007 LTZ
Chevrolet Silverado 1500 Classic 2007 SS
Chevrolet Silverado 1500 Classic 2007 LT
Chevrolet Silverado 1500 Classic 2007 Hybrid
Chevrolet Silverado 1500 Classic 2007 LS
Chevrolet Silverado 1500 Classic 2007 WT
Chevrolet Silverado 1500 HD 2001-2003, 2005 LS
Chevrolet Silverado 1500 HD 2001-2003, 2005-2006 LT
Chevrolet Silverado 1500 HD 2005 Base
Chevrolet Silverado 1500 HD Classic 2007 LT
Chevrolet Silverado 2500 1999-2004 Base
Chevrolet Silverado 2500 1999-2004 LT
Chevrolet Silverado 2500 1999-2004 LS
Chevrolet Silverado 2500 2000-2002 Cheyenne
Chevrolet Silverado 2500 2000-2002 Custom
Chevrolet Silverado 2500 2000-2004 400 SS
Chevrolet Silverado 2500 2004 WT
Chevrolet Silverado 2500 HD 2001-2004 LT
Chevrolet Silverado 2500 HD 2001-2004 LS
Chevrolet Silverado 2500 HD 2001-2004 Base
Chevrolet Silverado 2500 HD 2003-2004 WT
Chevrolet Suburban 1987-1994 Base
Chevrolet Suburban 1500 1995-1996 Cheyenne
Chevrolet Suburban 1500 1995-1996 Custom
Chevrolet Suburban 1500 1997 SLX
Chevrolet Suburban 1500 1997 SLT
Chevrolet Suburban 1500 1997 SLE
Chevrolet Suburban 1500 1998-1999 LT
Chevrolet Suburban 1500 1998 LX
Chevrolet Suburban 1500 1998-1999 LS
Chevrolet V10 Suburban 1987-1988 Silverado
Chevrolet V10 Suburban 1987-1988 Scottsdale
Chevrolet V10 Suburban 1987 Custom Deluxe
Chevrolet V1500 Suburban 1989-1991 Silverado
Chevrolet V1500 Suburban 1989-1991 Scottsdale
Chevrolet V20 1987 Silverado
Chevrolet V20 1987 Scottsdale
Chevrolet V20 1987 Custom Deluxe
Chevrolet V20 Suburban 1987-1988 Scottsdale
Chevrolet V20 Suburban 1987-1988 Silverado
Chevrolet V20 Suburban 1987 Custom Deluxe
Chevrolet V2500 Suburban 1989-1991 Silverado
Chevrolet V2500 Suburban 1989-1991 Scottsdale
GMC C1500 1988-1993 Sierra
GMC C1500 1988-1993 Sierra SLX
GMC C1500 1988-1999 Sierra SLE
GMC C1500 1994-1999 Sierra SLT
GMC C1500 1994-1999 Sierra SL
GMC C1500 1994-1998 Sierra Special
GMC C1500 1997 Sierra GT
GMC C1500 Suburban 1992-1999 Base
GMC C1500 Suburban 1992-1999 SLE
GMC C1500 Suburban 1995-1999 SLT
GMC C2500 1981-1986 Sierra Classic
GMC C2500 1981-1986 Base
GMC C2500 1981-1982 Sierra Grande
GMC C2500 1981-1986 High Sierra
GMC C2500 1988-1997 Sierra SLE
GMC C2500 1988-1993 Sierra
GMC C2500 1988-1993 Sierra SLX
GMC C2500 1994-1997 Sierra SL
GMC C2500 1994-1997 Sierra SLT
GMC C2500 Suburban 1981-1986 Sierra Classic
GMC C2500 Suburban 1981-1982 Sierra Grande
GMC C2500 Suburban 1981-1986, 1992-1997 Base
GMC C2500 Suburban 1981-1986 High Sierra
GMC C2500 Suburban 1992-1997 SLE
GMC C2500 Suburban 1995-1997 SLT
GMC G3500 1991-1992 Rally STX
GMC G3500 1991-1992 Rally
GMC G3500 1991-1992 Vandura Special
GMC G3500 1991-1992 Rally Camper Special
GMC G3500 1991-1992 Magnavan
GMC G3500 1991-1992 Vandura
GMC K1500 1988-1993 Sierra SLX
GMC K1500 1988-1993 Sierra
GMC K1500 1988-1999 Sierra SLE
GMC K1500 1993 Sierra Sport
GMC K1500 1994-1999 Sierra SLT
GMC K1500 1994-1998 Sierra Special
GMC K1500 1994-1999 Sierra SL
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 1981-1982 Sierra Grande
GMC K2500 1981-1986 Sierra Classic
GMC K2500 1981-1986 Base
GMC K2500 1981-1986 High Sierra
GMC K2500 1988-1997 Sierra SLE
GMC K2500 1988-1993 Sierra
GMC K2500 1988-1993 Sierra SLX
GMC K2500 1994-1997 Sierra SLT
GMC K2500 1994-1997 Sierra SL
GMC K2500 Suburban 1981-1986 High Sierra
GMC K2500 Suburban 1981-1986 Sierra Classic
GMC K2500 Suburban 1981-1986, 1992-1997 Base
GMC K2500 Suburban 1981-1982 Sierra Grande
GMC K2500 Suburban 1992-1997 SLE
GMC K2500 Suburban 1995-1997 SLT
GMC R2500 1987 Base
GMC R2500 1987 Sierra Classic
GMC R2500 1987 High Sierra
GMC Savana 1500 1996-2009 Base
GMC Savana 1500 1996-2000, 2003-2005, 2009 SLE
GMC Savana 1500 2001-2002 SLT
GMC Savana 1500 2006-2009 LS
GMC Savana 1500 2006-2009 LT
GMC Savana 1500 2009 SL
GMC Savana 2500 1996-2000, 2003-2005, 2009 SLE
GMC Savana 2500 1996-2009 Base
GMC Savana 2500 2001-2002 SLT
GMC Savana 2500 2007-2009 LS
GMC Savana 2500 2007-2009 LT
GMC Savana 2500 2009 SL
GMC Savana 3500 1996-2009 Base
GMC Savana 3500 1996-2000, 2003-2005, 2009 SLE
GMC Savana 3500 2001-2002 SLT
GMC Savana 3500 2006-2009 LT
GMC Savana 3500 2006-2009 LS
GMC Savana 3500 2009 SL
GMC V2500 1987 Sierra Classic
GMC V2500 1987 High Sierra
GMC V2500 1987 Base
GMC Yukon 2001 Denali
GMC Yukon 2001 SLE
GMC Yukon 2001 SLT
GMC Yukon XL 1500 2000-2009 SLT
GMC Yukon XL 1500 2000-2009 SLE
GMC Yukon XL 1500 2001-2009 Denali
GMC Yukon XL 1500 2006 SL
GMC Yukon XL 2500 2000-2009 SLE
GMC Yukon XL 2500 2000-2009 SLT
Hummer H2 2003-2009 Base
Hummer H2 2005-2009 Adventure
Hummer H2 2005-2009 Luxury
Hummer H2 2007 Special Edition
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
  • Length:One (1) Year
  • Notes:Warrantied against manufacturing defects for one (1) year. Longer warranty is available through purchase of a Y.E.S. plan.

Installation Instructions

Click to view the Installation Instructions here

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