Rear End AAM GM 11.5 Differential

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



 

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:

PART NUMBER Description Make Model Min year Max year Axle Type Ratio Teeth Your Cost
40005988 Ring & Pinion GM Sierra, Silverado 2001 2013 11.5" 14 Bolt - Rear Axle 4.56  9x41 $594.29
40030646 Ring & Pinion GM Sierra, Silverado 2001 2018 11.5" 14 Bolt - Rear Axle 5.13  8x41 $325.71
40094550 Ring & Pinion GM Sierra, Silverado 2001 2018 11.5" 14 Bolt - Rear Axle 4.1 10x41 $356.57
40101173 Ring & Pinion GM Sierra, Silverado 2001 2018 11.5" 14 Bolt - Rear Axle 3.73  11x41 $356.57
40101174 Ring & Pinion GM Sierra, Silverado 2001 2018 11.5" 14 Bolt - Rear Axle 3.42 12x41 $401.14
40116812 Ring & Pinion GM Sierra, Silverado 2001 2018 11.5" 14 Bolt - Rear Axle 4.44 9x40 $401.14
40003201 Axle GM All 2001+   11.5" 14 Bolt - Rear Axle   35.95 Long $111.43
40003202  Axle Dual Wheel GM All 2001+   11.5" 14 Bolt - Rear Axle    40.12 Long $111.43
40003204 Axle Dual Wheel GM All 2001+   11.5" 14 Bolt - Rear Axle    36.14 Long $111.43
40042351 Axle Dual Wheel GM Full Size Pick, Utility 2003 2013 11.5" 14 Bolt - Rear Axle    39.88 Long $111.43
40042353 Axle Dual Wheel GM Silverado, Sierra 2001 2010 11.5" 14 Bolt - Rear Axle  30  40.12 Long $111.43
40051859 Axle GM Silverado, Sierra 2010 2014 11.5" 14 Bolt - Rear Axle    35.9 Long $96.57
40051861 Axle GM Silverado, Sierra 2011 2014 11.5" 14 Bolt - Rear Axle    36.6 Long $96.57
40051863 Axle GM Silverado, Sierra 2010 2014 11.5" 14 Bolt - Rear Axle    40.27 Long $96.57
40086785 Axle GM Sierra, Yukon, Silverado, Avalanche, Tahoe, Suburban, Escalade 2014 2018 11.5" 14 Bolt - Rear Axle L/R DRW - WT 30 Spline 40.27 Long  $105.63
40097464 Axle GM Sierra, Yukon, Silverado, Avalanche, Tahoe, Suburban, Escalade 2014 2018 11.5" 14 Bolt - Rear Axle 30 Spline 30  37.12 Long $118.86
40146894 Case Open Loaded GM   2001 2015   3.42+   $304.57
40099548 Positraction GM   2001 2015   3.42+   $772.00
40087967 Cover   Sierra, Silverado     11.5" 14 Bolt - Rear Axle     $34.17
40082168 Pinion Flange GM       Has 90 Hz Damper, Includes sleeve 26060977     $89.14
40115126 Tone Ring         11.5" 14 Bolt - Rear Axle     $14.64
3977326 Diff Case Adjuster Retainer         11.5" 14 Bolt - Rear Axle     $0.73
14012748 Diff Case Adjuster Retainer         11.5" 14 Bolt - Rear Axle     $1.41
40011051 Crush Sleeve     All   11.5" 14 Bolt - Rear Axle     $2.66
74067011 Bearing Kit Master GM Sierra, Silverado, Suburban, Yukon, Tahoe, Avalanche 2001 2010 11.5" 14 Bolt - Rear Axle     $139.69
74067018 Bearing Kit Master GM/Ram Sierra, Silverado, Suburban, Yukon, Tahoe, Avalanche 2011 2016 11.5" 14 Bolt - Rear Axle     $151.90
74010016 Axle Master Install Kit GM Sierra, Silverado 2011 2012 11.5" 14 Bolt - Rear Axle     $170.00
26064505 Bolt Ring Gear GM       11.5" 14 Bolt - Rear Axle     $0.73
40002169 Bolt Cover GM       11.5" 14 Bolt - Rear Axle     $0.86
40003027 Nut Pinion GM       11.5" 14 Bolt - Rear Axle     $3.19
40003255 Washer Pinion GM       11.5" 14 Bolt - Rear Axle     $1.53
40022812 Bolt Ring Gear GM       11.5" 14 Bolt - Rear Axle     $1.61
40052287 Cover Pan Bolt GM       11.5" 14 Bolt - Rear Axle     $0.73
74020013 Seal Pinion GM Sierra, Silverado 2001 2012 11.5" 14 Bolt - Rear Axle      Call 
20889025 Seal Axle GM       11.5" 14 Bolt - Rear Axle     $24.40
26060977 Adapter Sleeve GM       11.5" 14 Bolt - Rear Axle     $7.84
26064030 Seal Pinion GM   2001 2014 11.5" 14 Bolt - Rear Axle     $8.53
40000014 Gasket Hub GM       11.5" 14 Bolt - Rear Axle     $4.43
40005967 Gasket Pan Rubber over metal GM       11.5" 14 Bolt - Rear Axle     $11.06
40051851 Gasket Hub GM       11.5" 14 Bolt - Rear Axle     $1.26
476753 Plug Fill GM       11.5" 14 Bolt - Rear Axle     $1.24
40042937 Plug Fill GM       11.5" 14 Bolt - Rear Axle     $2.59
74070001 Wheel End Kit GM Sierra, Yukon, Silverado, Avalanche, Tahow, Suburban, Escalade 2001 2016 11.5" 14 Bolt - Rear Axle     $135.20
74070002 Wheel End Kit GM Sierra, Silverado - Dual Rear Wheel 2001 2010 11.5" 14 Bolt - Rear Axle     $141.14
74070003 Wheel End Kit GM Sierra, Silverado 2011 2016 11.5" 14 Bolt - Rear Axle     $152.69
74070004 Wheel End Kit Dual GM Sierra, Silverado - Dual Rear Wheel 2011 2016 11.5" 14 Bolt - Rear Axle     $157.49

Minimum Purchase $25.00 including freight

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