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  See more parts for Chrysler Aspen
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Yukon Gear & Axle Standard Open Spider Gear Kit for 9.25" Chrysler 31 Spline Axles - YPKC9.25-S-31

If you're looking to replace the spider gears in your Chrysler 9.25" rear with an open differential, this Yukon Gear & Axle kit is a solid choice. Trust me, these aren't just any gears. They're made from higher quality materials and crafted with better manufacturing techniques than what you’d find in the OEM stuff. This means they’ll last longer and handle the wear and tear of daily driving or spirited weekend adventures.

Inside the box, you’ll find everything you need for a complete swap: two side gears, two pinion gears, a cross pin shaft, a cross pin bolt, and the necessary thrust washers. It’s all there, so you won’t be scrambling to find parts mid-install. Plus, the fitment is spot on for a bunch of models, so you can be confident it’ll work with your ride.

  • Spider Gear Kit
  • Fits: Chrysler 9.25" rear with open differential
  • Contents: Two side gears, two pinion gears, cross pin shaft, cross pin bolt, and thrust washers

Now, let’s talk specifics. This kit is designed for a variety of models, including:

  • Chrysler Aspen (2007-2009)
  • Chrysler Imperial (1974-1975 & 1981)
  • Chrysler New Yorker (1970-1982)
  • Dodge Ram 1500 (1994-2009)
  • Dodge Dakota (1997-2010)
  • And many more!

So, if your gears are starting to show their age, or maybe you’re hearing some weird noises coming from the rear, this kit could be just what you need. It’s a straightforward replacement that’ll keep your vehicle running smoothly without breaking the bank. Just make sure to double-check your axle spline count—this kit is for 31 spline axles, so it’s got to match up with your setup!

Proposition 65

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

Vehicle Make/Model
Chrysler Aspen 2007-2009 Limited
Chrysler Aspen 2009 Limited Hybrid
Chrysler Imperial 1974-1975 LeBaron
Chrysler Imperial 1981 Base
Chrysler New Yorker 1970-1974, 1979-1982 Base
Chrysler New Yorker 1972-1978 Brougham
Dodge B100 1978-1980 Base
Dodge B150 1981-1987 Base
Dodge B200 1978-1980 Base
Dodge B250 1981-1987 Base
Dodge B300 1978-1980 Base
Dodge B350 1981-1987 Base
Dodge D100 1975-1979 Base
Dodge D100 1975-1979 Custom
Dodge D100 1976-1978 Warlock
Dodge D100 1977-1979 Club Cab
Dodge D100 1978-1979 Adventurer
Dodge D100 1979 Warlock II
Dodge D100 1979 Estacas
Dodge D100 Panel 1976-1977, 1979 Base
Dodge D100 Pickup 1970-1974 Base
Dodge D150 1977-1993 Base
Dodge D150 1978-1979 Li'l Red Express
Dodge D150 1981-1988 Club Cab
Dodge D150 1982 RAM
Dodge D150 1982-1983 Miser
Dodge D150 1982-1988 Estacas
Dodge D150 1982-1988 Adventurer
Dodge D150 1982 Equipado
Dodge D150 1990-1991 S
Dodge D200 1975-1976 Custom
Dodge D200 1977-1980 Base
Dodge D200 Series 1967 Base
Dodge D250 1981-1993 Base
Dodge D250 1986-1993 Adventurer
Dodge D250 1986-1993 Club Cab
Dodge D250 1986-1988, 1990-1993 Prospector
Dodge D250 1986-1989, 1991-1993 Custom
Dodge D300 1975-1980 RD
Dodge D300 1975-1976 Custom
Dodge D300 1975-1980 Base
Dodge D300 1977 RS
Dodge D300 1979 Estacas
Dodge D300 Pickup 1974 Base
Dodge D350 1981-1989 Base
Dodge D350 1981-1989 RD
Dodge D350 1982 RS
Dodge Dakota 1997-2010 SLT
Dodge Dakota 1997-2004 Base
Dodge Dakota 1997-2005, 2008 Sport
Dodge Dakota 1998-2003 R/T
Dodge Dakota 2002, 2004, 2008-2010 SXT
Dodge Dakota 2004 Sport Plus
Dodge Dakota 2004 SLT Plus
Dodge Dakota 2005-2010 Laramie
Dodge Dakota 2005-2010 ST
Dodge Dakota 2008 TRX
Dodge Dakota 2008-2010 TRX4
Dodge Dakota 2009-2010 Lone Star
Dodge Dakota 2009-2010 Big Horn
Dodge Diplomat 1977-1981 Base
Dodge Diplomat 1977-1983 Medallion
Dodge Diplomat 1978 S
Dodge Diplomat 1979-1989 Salon
Dodge Diplomat 1981 Sport
Dodge Diplomat 1984-1989 SE
Dodge Durango 1998-2009 SLT
Dodge Durango 1998-2003, 2008 SLT Plus
Dodge Durango 1998-2001, 2007 Base
Dodge Durango 2000-2003 R/T
Dodge Durango 2000, 2002-2003 Sport
Dodge Durango 2003, 2005-2008 SXT
Dodge Durango 2004-2009 Limited
Dodge Durango 2004-2005 ST
Dodge Durango 2006-2008 Adventurer
Dodge Durango 2009 Limited Hybrid
Dodge Durango 2009 SE
Dodge Magnum 1978-1979 XE
Dodge Monaco 1966-1978 Base
Dodge Monaco 1967-1968 500
Dodge Monaco 1974 Custom
Dodge Monaco 1974, 1977-1978 Brougham
Dodge Monaco 1975-1976 Royal
Dodge Monaco 1975-1976 Royal Brougham
Dodge Monaco 1977-1978 Crestwood
Dodge Polara 1973 Base
Dodge Polara 1973 Custom
Dodge Ram 1500 1994-1997 Runner
Dodge Ram 1500 1994-1996 Base
Dodge Ram 1500 1994-2002 Custom
Dodge Ram 1500 1994-1998 Lujo
Dodge Ram 1500 1997 LT
Dodge Ram 1500 1997-2010 ST
Dodge Ram 1500 1997-2001, 2003-2009 Laramie
Dodge Ram 1500 1997-1998 SS/T 5.9L
Dodge Ram 1500 1997-2001, 2006-2007, 2009-2010 Sport
Dodge Ram 1500 1997-2001 WS
Dodge Ram 1500 1998-2001 R/T
Dodge Ram 1500 1999-2010 SLT
Dodge Ram 1500 2004-2006 SRT-10
Dodge Ram 1500 2006-2007, 2009-2010 TRX4
Dodge Ram 1500 2008 SXT
Dodge Ram 1500 2009-2010 TRX
Dodge Ram 1500 Van 1995-2003 Base
Dodge Ram 1500 Van 1999-2002 SLT
Dodge Ram 1500 Van 1999-2003 SE
Dodge Ram 2500 1994-2000 Base
Dodge Ram 2500 1995-1998 Limited
Dodge Ram 2500 1995-1998 Lujo
Dodge Ram 2500 1995-1997 Runner
Dodge Ram 2500 1995-2000 Custom
Dodge Ram 2500 1996-1997 Laramie
Dodge Ram 2500 1999-2000 SLT
Dodge Ram 2500 Van 1996-2000 Base
Dodge Ram 2500 Van 1999-2000 SE
Dodge Ram 2500 Van 1999 SLT
Dodge Ramcharger 1974-1993 Base
Dodge Ramcharger 1975-1980 SE
Dodge Ramcharger 1981-1993 Royal SE
Dodge Ramcharger 1991-1993 Canyon Sport
Dodge W100 1986-1989 Custom
Dodge W150 1977-1993 Base
Dodge W150 1990-1991 S
Dodge W250 1981-1993 Base
Dodge W300 1975-1976 Custom
Dodge W300 1977-1980 Base
Dodge W300 Pickup 1974 Base
Dodge W350 1981-1989 Base
Mitsubishi Raider 2006-2009 LS
Mitsubishi Raider 2006-2007 DuroCross
Mitsubishi Raider 2006 XLS
Mitsubishi Raider 2007 SE
Ram Ram 1500 2010 Laramie
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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