Sonnax round washer 77731-04 is a direct replacement for worn or damaged OE washers in four-pinion rear planetary assemblies in listed GM transmissions. The Sonnax washer is made from through-hardened steel to help eliminate needle roller thrust wear.

More From This Category

Sonnax Heavy Duty Direct Clutch Backing Plate, Ford, 5R110W, Each

Sonnax Heavy Duty Direct Clutch Backing Plate, Ford, 5R110W, Each

$110.33

Motive Gear Gear Install Kit, For Chrysler 7.25, Kit

Motive Gear Gear Install Kit, For Chrysler 7.25, Kit

$15.63

Motive Gear Gear Install Kit, For Chrysler 11.5, Kit

Motive Gear Gear Install Kit, For Chrysler 11.5, Kit

$12.29

Motive Gear Axle Shaft, 28SPL, 14.96 in. Length, For CHEVROLET AVALANCHE 2007–2012, Each

Motive Gear Axle Shaft, 28SPL, 14.96 in. Length, For CHEVROLET AVALANCHE 2007–2012, Each

$223.68

Sonnax Vacuum Test Plate Kit, GM, 4L80E, 4L85E, Each

Sonnax Vacuum Test Plate Kit, GM, 4L80E, 4L85E, Each

$372.85