Chevrolet & GMC 11.5" 14 Bolt AAM (OE) Rear End and Differential Parts

Why buy only the best Rear End Parts manufactured by American Axle, these are (OE)
 for your Chevrolet & GM 2500 / 3500

OE parts are made by the vehicles manufacture.  These match the parts that came with your vehicle when it rolled off the assembly line.  As a stocking distributor for American Axle Manufacturing we offer a full line of Original Equipment (OE) American Made Parts.

Demand original OE parts the same parts the your vehicle left the factory with including, the 7.25 inch to 11.5 inch Ring and Pinion & other differential components are available.

Master Bearing Kits  are available and should be changed at the same time as installation of a new Ring & Pinion Gear. Part Images are available.

Simple troubleshooting GM 11.5" differential information is provided:

You can identify problems that might arise with your 11.5" Rear differential. Four typical problems associated for GM vehicles. Chevrolet & GM 11.5 Rear End problems are Ring Ring, Seals Leaking and pinion gear failure:

Trouble Shooting Chevrolet & GMC 11.5 Rear End Differential.

Problem #1 Regular “clunking” or loud “clicking” every few feet may indicate a broken ring or pinion gear tooth. “Banging, clicking or clunking” while cornering can be caused by broken carrier bearings or side gears commonly called “spider gears”, lack of sufficient positraction lubrication, or worn positraction clutches. 


Problem #2 Worn carrier or pinion bearings can create excessive play between the gears and produce an uneven wear pattern or chipping teeth.
Problem

Problem #3 Check for worn bearings and replace as necessary.

Problem #4: Improper break-in mileage can and will lead to premature wear and damage.  See Typical gear patterns below:

We can provide the following GM Axle Components including Repair Kits that include Ring and Pinion Sets, Bearing Kit Master and Pinion Bearing Kit, Internal Kit, Axles, Gaskets and seals.

Why change gear ratio?  Lower ratio provides more power (off the line), higher ratio for concrete cursing and getting Groceries, also provides more miles per gallon.

We supply a complete line of American Axle Rear end and differential parts for the Chevrolet & GMC GM 11.5" Rear End see models and production years below:

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SPECIFICATIONS RG DIAMETER 11.5" 12 9/16" X 18 RH THREADED BOLTS Pinion Diameter 2.005" 30 SPLINE CASE: 4.10 & Numerically Lower Case 4.63 Numerically Higher 8620 Material Heat-Treated Assembly Specifications: Cover Bolt Ft. Lbs. 15-25 Pinion Brg. Preload In. Lbs Used 8-11 Pinion Brg. Preload In. Lbs New 20-30 Ring Gear Backlash .005-.007" Ring Gear Bolt to Case Ft. Lbs. 175 Side Brg. Caps Ft. Lbs. 200 Instructions for setting up GM 11.5 inch ring and pinion backlash and other installation  instructions are included with kit

Didn't find what you need just give us a call 800-216-1632 & talk to our technical expert. 

These American Axle OE parts are:

Reliable  AAM products are designed for long-term reliability.
Advanced AAM processes ensure our products will withstand the high usage demand for all GM Pickups
Durable Quality AAM products are manufactured to the highest-quality standards that customers demand
Performance AAM products are engineered, manufactured and meet OEM specifications and ensure ultimate performance. 

Reliable AAM  Rear End Differential 11.5 Rear OE Parts Reliable AAM products are designed for long-term reliability
Reliable AAM Durable Advanced processes ensure AAM products withstand the high usage demand for all GM applications
Quality AAM products are manufactured to the highest-quality standards that customers demand Guaranteed Only our original equipment (OE) quality differential components are Guaranteed to meet the same specifications as the factory parts they replace.  More lapping cycles and tighter tolerance in the manufacturing process, reduce noise, improve.

Performance Chevrolet & GMC 11.5 inch Rear AAM components means performance to the vehicle manufacturer’s standards.

We offer a complete line of American Axle Rear end and differential parts for the GM 11.5 Rear.

 A detailed parts illustration is provide below to assist you in identifying the correct parts, the first time.  Supply the correct parts to you mechanic will save you money.  Click part number to see more information including image of part and your cost. Didn't find what you need just give us a call 800-216-1632 & talk to our technical expert.  Supply the correct parts to you mechanic will save you money. 

Chevrolet & GM 2500 / 3500 rear differential parts list:

Minimum Purchase $25.00 including freight

Dont find what  you need call our technical expert tool free 800-216-1632 he will help you!