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Filthy Motorsports: Store > Chrysler 9.25"
Chrysler 9.25" Rear Axle Parts, Gears, and Upgrades

Axle Models:

Chrysler 9.25" 1966-2000
Chrysler 9.25" 2001-2010
Chrysler ZF 9.25" 2011 +

Axle Specifications:

Ring Gear Diameter: 9.250
Diff Cover Bolts: 12
Ring Gear Bolts: 12
Axle Spline Count: 31
Axle Shaft Style: C-Clip
Pinion Diameter: --
Pinion Splines: --
Pinion Support: No
Pinion Nut: 1-5/16"
Pinion Crush Sleeve: Yes
Carrier Breaks: No
Dropout Carrier: No
Oil Capacity: 4.9 Pints
Oil Type: 75W-90

Chrysler 9.25" Rear Torque Specifications:

Pinion Preload New: 14 to 19 in-lbs
Pinion Preload Reused: 6 to 9 in-lbs
Ring Gear Backlash: .006" to .010"
Ring Gear Bolt Torque: 65 ft-lbs
Carrier Bearing Caps: 75 ft-lbs

Popular Applications:

Dodge Challenger 1973 - 1974 Rear
Dodge Charger 1968 - 1979 Rear
Dodge Dakota 1997 - 2009 Rear
Dodge Durango 1998 - 2009 Rear
Dodge / Ram 1500 1994 - 2010 Rear
Dodge / Ram 2500 1994 - 2000 Rear

Axle Variations:

2000 and Older Axles Inner Pinion Bearings:
M804049 / M804010
2001-2010 Axles Inner Pinion Bearings:
NP912904 / NP524102
While the inner pinion bearings look different, they have the same overall dimensions and are interchangeable.

2011 and Newer Axles A completely different ZF axle with little aftermarket support so far.

Axle Images:



Axle Details

The Chrysler 9.25" rear axle is commonly found in Dodge cars and trucks. They use a 9.25" ring gear and run 31 spline axle shafts. A front version of this axle was offered as well, however, it used reverse rotation gears and 33 spline axle shafts to the internal parts are not compatible.
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Eaton Detroit TrueTrac
Chrysler 9.25" Eaton TrueTrac | 31 Spline (2.76 - 4.56)
Price: $749.99

Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement. more info
Yukon Master Ring and Pinion Install Kit
Chrysler 9.25" Yukon Master Overhaul Kit | Rear ('00 and Older)
Price: $341.48
Your Price: $296.94

Yukon master overhaul kits include everything you need to rebuild your differential, install new ring and pinion gears or add a differential locker. Every component is of the highest quality and engineered specifically for your application to ensure accurate set up. more info
Yukon Master Ring and Pinion Install Kit
Chrysler 9.25" Yukon Master Overhaul Kit | Rear ('01 and Newer)
Price: $386.88
Your Price: $336.42

Yukon master overhaul kits include everything you need to rebuild your differential, install new ring and pinion gears or add a differential locker. Every component is of the highest quality and engineered specifically for your application to ensure accurate set up. more info
Yukon Gear and Axle Ring and Pinion Sets
Chrysler 9.25" Yukon Ring and Pinion Gears | 3.90 ('10 and Older)
Price: $555.52
Your Price: $483.06

Yukon ring and pinion gears are built for heavy duty applications like racing, towing, and rock crawling. They're machined from the finest materials using modern gear grinding technology to give each set superior strength and the smoothest and most precise finish. more info
Yukon Gear and Axle Ring and Pinion Sets
Chrysler 9.25" Yukon Ring and Pinion Gears | 3.55 ('10 and Older)
Price: $688.48
Your Price: $598.68

Yukon ring and pinion gears are built for heavy duty applications like racing, towing, and rock crawling. They're machined from the finest materials using modern gear grinding technology to give each set superior strength and the smoothest and most precise finish. more info
Yukon Gear and Axle Ring and Pinion Sets
Chrysler 9.25" Yukon Ring and Pinion Gears | 4.11 ('10 and Older)
Price: $688.48
Your Price: $598.68

Yukon ring and pinion gears are built for heavy duty applications like racing, towing, and rock crawling. They're machined from the finest materials using modern gear grinding technology to give each set superior strength and the smoothest and most precise finish. more info
Yukon Gear and Axle Ring and Pinion Sets
Chrysler 9.25" Yukon Ring and Pinion Gears | 3.21 ('10 and Older)
Price: $536.06
Your Price: $466.14

Yukon ring and pinion gears are built for heavy duty applications like racing, towing, and rock crawling. They're machined from the finest materials using modern gear grinding technology to give each set superior strength and the smoothest and most precise finish. more info
Yukon Gear and Axle Ring and Pinion Sets
Chrysler 9.25" Yukon Ring and Pinion Gears | 4.56 ('10 and Older)
Price: $537.14
Your Price: $467.08

Yukon ring and pinion gears are built for heavy duty applications like racing, towing, and rock crawling. They're machined from the finest materials using modern gear grinding technology to give each set superior strength and the smoothest and most precise finish. more info
Yukon Gear and Axle Ring and Pinion Sets
Chrysler 9.25" Yukon Ring and Pinion Gears | 4.88 ('10 and Older)
Price: $537.14
Your Price: $467.08

Yukon ring and pinion gears are built for heavy duty applications like racing, towing, and rock crawling. They're machined from the finest materials using modern gear grinding technology to give each set superior strength and the smoothest and most precise finish. more info
   
 
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