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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
2007-2009
 Chrysler Aspen
1974-1975, 1981
 Chrysler Imperial
1970-1982
 Chrysler New Yorker
1978-1980
 Dodge B100
1981-1987
 Dodge B150
1978-1980
 Dodge B200
1981-1987
 Dodge B250
1978-1980
 Dodge B300
1981-1987
 Dodge B350
1975-1979
 Dodge D100
1970-1974
 Dodge D100 Pickup
1977-1993
 Dodge D150
1975-1980
 Dodge D200
1967
 Dodge D200 Series
1981-1993
 Dodge D250
1975-1980
 Dodge D300
1974
 Dodge D300 Pickup
1981-1989
 Dodge D350
1997-2010
 Dodge Dakota
1977-1989
 Dodge Diplomat
1998-2009
 Dodge Durango
1978-1979
 Dodge Magnum
1966-1978
 Dodge Monaco
1973
 Dodge Polara
1994-2009
 Dodge Ram 1500
1994-2000
 Dodge Ram 2500
1974-1993
 Dodge Ramcharger
1986-1989
 Dodge W100
1977-1993
 Dodge W150
1981-1993
 Dodge W250
1975-1980
 Dodge W300
1974
 Dodge W300 Pickup
1981-1989
 Dodge W350
2006-2009
 Mitsubishi Raider
2010
 Ram 1500
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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