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OTC 6602 Differential Bearing Preload Wrench

by OTC
23 customer reviews

List Price: $69.95
Price: $42.21 & FREE Shipping. Details
You Save: $27.74 (40%)
Only 2 left in stock (more on the way).
Ships from and sold by Amazon.com.
  • Similar to Miller C-4164
  • Fits inside axle tube to access the threaded adjusters
  • Use to adjust differential bearing free play on Chrysler/Dodge vehicles with 7-1/4, 8-1/4, 8-3/4, and 9-1/4 rear axles
  • Weighs only 2lbs. 14oz.
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22 new from $42.21

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$42.21 & FREE Shipping. Details Only 2 left in stock (more on the way). Ships from and sold by Amazon.com.

Frequently Bought Together

OTC 6602 Differential Bearing Preload Wrench + Allstar Performance ALL68372 Pinion Yoke Wrench + Dial Indicator, Magnetic Base & Point Set
Price for all three: $91.89

Some of these items ship sooner than the others.

Buy the selected items together


Product Information

Technical Details
BrandOTC
Item Weight4.2 pounds
Product Dimensions8.5 x 34 x 3.4 inches
Item model number6602
Manufacturer Part Number6602
  
Additional Information
ASINB000OCKIHE
Best Sellers Rank #83,021 in Automotive (See top 100)
Shipping Weight4.3 pounds (View shipping rates and policies)
Domestic Shipping Item can be shipped within U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First AvailableJuly 7, 2004
  
Warranty & Support
Warranty, Parts: Parts

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.
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Product Description

This tool, with its sleek design, is able to fit inside the axle tube to access the threaded adjusters. Use to adjust differential bearing free play on Chrysler/Dodge vehicles with 7-1/4, 8-1/4, 8-3/4, and 9-1/4 rear axles. This is very simple to use.


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Most Helpful Customer Reviews

3 of 3 people found the following review helpful By John K on February 3, 2013
Verified Purchase
This is absolutely necessary to overhaul a Chrysler 8-1/4 or 9-1/4 rear end. You can make one if you have a welder, otherwise you will need this or similar to loosen the differential bearing adjusters inside the housing through the axle tube. Pretty much useless for anything else, but you save yourself a $G-note by doing the work yourself. The only other 'special' tools you absolutely need is a 0-60 inch/lbs dial or beam type torque wrench to check the critical pinion bearing preload, and a dial indicator to check the ring gear backlash. Not any easy job by any stretch... but well within the capability of an experienced home mechanic. Make sure you have a factory manual for procedure.
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2 of 2 people found the following review helpful By CB on October 19, 2012
Verified Purchase
I have worked on cars my whole life, and I neverheard of such a tool. What I thought was a simple repair became a nightmare! Why? because I didnot have a Diff Bearing Preload Tool. 2days of searching locally and trying to make something was in vain. finally ordered it from Amazon, had in 2days and it took(no kidding)3mins to loosen the bearing preloads!! Bear in mind I already had my differential apart but, so much easier with the proper tool. Buy it, works great.
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1 of 1 people found the following review helpful By phillip l. dunn on November 13, 2012
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Glad I bought this could not have done the job without it s little pricey for the material but overall very good product
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3 of 4 people found the following review helpful By Amazon Customer on April 29, 2008
Verified Purchase
Great Product. Tool worked like a dream and I was very happy with the Price. Shipping was right on time:)
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Verified Purchase
Ordered this to repair rear diff in jeep and made to whole job painless to properly setup! Only wish was to have 2 so not so much fishing tool going side to side to do adjustments but still easier than anything else! My buddy welded a large nut onto socket to do same job (free is best) but issue is keeps falling off inside diff when doing job and he did not want to weld extension also to it as then it would have cost much more (socket was broken cheap one)
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By shane on November 14, 2013
Verified Purchase
It works great for the job intended . I used this for a ring and pinion and locker install . Granted it is a little more then a nut welded to a shaft but I didn't feel like trying to make one. buying and using 2 of them does make setup easier .
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Verified Purchase
Tool works as described and worked great. Don't waste your time rigging up alternatives unless your a good fabricator. This made setting up the ram 9.25s a whole lot easier.
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Verified Purchase
It worked like a charm took only a few seconds to adjust the bearings. The tool made the job so much easier.
Must have tool if you are rebuilding Dodge rear ends.
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OTC 6602 Differential Bearing Preload Wrench
This item: OTC 6602 Differential Bearing Preload Wrench
Price: $42.21
Ships from and sold by Amazon.com