Vehicle Info Needed

MOTIVE GEARPART NUMBER: 683-GM12-373X

GM 12BL 8.875 R/P 3.73 THICK MG

Name: GM 12BL 8.875 R/P 3.73 THICK MG
Brand: MOTIVE GEAR
SKU: 683-GM12-373X
Price: 261.22 USD
Availability: InStock

^$261²²

Ships on 09/16/2026

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Best Value

555-60016

GM 12-Bolt Truck Ring & Pinion 8.875" Diameter Ring Gear

^$273⁹⁹

8620 Material
Heat Treated

Part TypeRing and Pinion

BrandMOTIVE GEAR

Package Height5.25

Package Width11.0

Package Length15.5

Weight15.65 PG

Part CategoryPerformance Parts

Ring Gear RotationStandard

Ring Gear Tooth Quantity41

Differential Carrier Break2.76 to 3.42

Cover Bolt Quantity12

Pinion Spline Count30

Ring Gear Material8620 Steel

Ring Gear Diameter8.875 in (225.4 mm)

Pinion Shaft Diameter1.438 in (36.5 mm)

Pinion Gear Tooth Quantity11

Axle TypeGM 8.875 in.

Ring Gear Bolt Quantity12

Part FitmentSemi Universal

Vendor Part NumberGM12-373X

Package Qty1

Package TypeEA

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