Compatible with OEM Part Numbers Yamaha 5KM-46101-12-00
Compatible with 2002-2008 Yamaha Grizzly 660
High Quality Replacement Rear Differential Assembly; Additional Lubrication is may be required, Check your lubricant level before vehicle operation
Includes Rear Differential Assembly. Ring and Pinion Gears are Made from Forged and Heat Treated Steel
Differential Type Gear Differential; Case Material A383 Aluminum; Ring and Pinion Material SAE5120 Steel; Differential Gear Ratio 3.671; No Oil Inside; Input couplers - Spline Count 39; Shaft - Spline Count 26