
- Part Number: AAM11.5-373-NG
- Est. Ship Time: Discontinued

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Discontinued (Updated 1/23/2024)
Fits: GM & Chrysler 11.5" Differential
AAM 11.5" 3.73 Nitro Ring & Pinion
Nitro gears are manufactured from 8620 steel gear forgings in the same manufacturing facilities as GM, Dodge, Ford & Toyota. They are precision machined using computer controlled processes, heat treated, CNC triple-lapped and Rockwell tested for hardness. These extra steps ensure excellent fitment, ideal contact pattern and smooth, quiet operation.
Specs:
Differential: AAM 11.5", 14 Bolt
Gear Ratio: 3.73
Tooth Count: 41/11
Pinion Splines: 30
Ring Gear Bolts: 12 (not included)
Manufacturer: Nitro Gear & Axle
FITMENT
2003-2009 Dodge Ram 2500 w/ Cummins Diesel
2003-2009 Dodge Ram 3500 w/ Cummins Diesel
2001-2009 Chevrolet Silverado 2500HD w/ Duramax
2001-2006 Chevrolet Silverado 3500HD w/ Duramax
2001-2009 GMC Sierra 2500HD w/ Duramax
2001-2009 GMC Sierra3500HD w/ Duramax
2001-2006 Chevrolet Silverado 2500HD Vortec 8.1L Big Block
2001-2006 Chevrolet Silverado 3500HD Vortec 8.1L Big Block
2001-2007 GMC Sierra 2500HD Vortec 8.1L Big Block
2001-2007 GMC Sierra3500HD Vortec 8.1L Big Block
Nitro Gears & Axle: AAM11.5-373-NG
