FIOD 4R70 4R75 [80-UP] Automatic Transmission Piston E Reverse Servo

Hairline cracks in a piston do not show until the circuit is under pressure on the road.

FIOD Piston e 4r70 4R75 reverse servo (3 groove) aftermarket servo. This restores the piece that turns line pressure into clamp.

Bore finish is what the seal wipes against for the life of the unit. Shipping weight is 1 lb.

The parts list below is exactly what ships. Compare it against your teardown before ordering.

REMCO has supplied automatic transmission parts since 1991, and every order ships with its part listing so the receiving technician can check what arrived against what was ordered.

• FIOD automatic transmission: transmission Piston Kit for FIOD - replacement component designed for proper fit and function
• Designed to support proper clutch apply pressure, stroke and sealing during piston and seal work
• Package Includes: one transmission piston kit as described, supplied loose for piston and seal work
• Bonded rubber lip seals on a steel or aluminum piston body - designed for dependable service in the intended application. Ships at 0.30 lb, 3.46x3.46x3.57 in
• Intended for builders correcting apply pressure loss. Lubricate the lip seals before assembly and seat the piston square in the bore

What's in the box

• 1 x Piston, Aod/fiod E 4r70 4R75 Reverse Servo [3 Groove] Aftermarket

Compatible vehicles

• Fits Mustang [81-83], Thunderbird [82-89], Bronco [85-89], F250 3/4 Ton - Pickup [84-89], F350 1 Ton - Pickup [84-89], Mark VII [84-89], Town Car [81-89], Cougar [80-89], LTD [80-85], LTD Country Squire [83-89], LTD Crown Victoria [90-91], E100 1/2 Ton Econoline - Van [83].