Wear or debris can prevent the third accumulator checkball and seat from correctly sealing the 3-4 apply circuit. Installing Sonnax 3rd accumulator checkball and seat 74480D prevents leaks in the circuit and 3-2/2-3 timing issues and prolongs the life of the 3-4 clutch.

More From This Category

Sonnax Front Planet To Reaction Shaft Thrust Bearing, GM, 4L60-E/65-E/70-E '07-Later, Each

Sonnax Front Planet To Reaction Shaft Thrust Bearing, GM, 4L60-E/65-E/70-E '07-Later, Each

$23.07

Motive Gear Differential Pinion Bearing Kit, Koyo, For CHEVROLET K1500 1988–1998, Kit

Motive Gear Differential Pinion Bearing Kit, Koyo, For CHEVROLET K1500 1988–1998, Kit

$86.64

TCI Governor Support, Machined, Aluminum, Bearings Include, GM, Powerglide, Each

TCI Governor Support, Machined, Aluminum, Bearings Include, GM, Powerglide, Each

$242.85

TCI Automatic Transmission Shield, Flexplate, Steel, Red Powdercoated, For Chevrolet, 3-Speed, 4-Speed, Automatic, Kit

TCI Automatic Transmission Shield, Flexplate, Steel, Red Powdercoated, For Chevrolet, 3-Speed, 4-Speed, Automatic, Kit

$229.11

Motive Gear Axle Shaft, 1541 Manganese, 5x4.5 in. Bolt Pattern, 32.25 in. Length, 28SPL, ForD AEROSTAR 1986–1997, Each

Motive Gear Axle Shaft, 1541 Manganese, 5x4.5 in. Bolt Pattern, 32.25 in. Length, 28SPL, ForD AEROSTAR 1986–1997, Each

$218.90