Drivetrain› Differentials and Rear-End Components

USA Standard (Yukon)

11.5 AAM 3.73 Rear Ring Pinion Install Kit Posi 4.125 OD Pinion Bearing 11.5 AAM 3.73 REAR R

$2,607.89

SKU: U018 ZGK2109

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

This kit includes a 3.73 Ring & Pinion Gear Set, a Master Install kit (Koyo bearings, small parts), and a Yukon Dura Grip Clutch Style Limited Slip Positraction unit (rebuildable). Designed for 14-bolt rear cover, 12-bolt ring gear applications, with an HM807046/HM807010 inner pinion bearing and race (4.125" OD).

Fitment

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Specifications

BrandUSA Standard (Yukon)
Part NumberU018 ZGK2109

Videos

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Dodge Ram and GM AAM 11.5-inch and 9.25-inch Axle Rebuilding

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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