Servos & Accumulators


Part #     Name     Description Image Price  
A74741G       Forward Accumulator Piston, 4L60E /4L65E 1993-05
Transgo# 4L60E-FWD Forward Accumulator Piston, 4L60E /4L65E Thicker OE# 24200126
Replacee Plastic and Aluminium that breaks.

  $9.73
A74901BK       Spring kit, 700 / 4L60E, Servo cushion (* A74901 x 3 )
Helps eliminate 2/4 band burning, 3 BLUE or (Heavy duty black) springs only.
Various mfg's.

  $11.27
A74902H       Super Servo, 4L60 / 4L60E 4th apply *Superior #K034,
Superior #K034, 4th apply piston and cover.
Better holding capacity in 4th gear. Lip seal design on piston for less leakage and proper 4-3 (no drag) release. Constructed of billet aluminum, can be used with the # A74905H 1-2 shift Super Servo.

  $85.47
A74905BK       Servo piston kit, 700 / 4L60E Corvette style,
Servo piston, sleeve, & sealing rings included.
For firmer shifts.

  $13.00
A74905H       Super Servo, 700-R4 / 4L60E, 1-2 shift *Superior #K012
Superior # K012, The 700R4 Super Servo helps deliver Super Positive 1-2 shifts, improved 2-3 shifts. 35% more apply surface area than the Corvette servo Quicker servo release on the 4-3 downshift. Positive 3-2 kick down. Adjustable pin tip included.

  $115.57
A74926A       Accumulator SPRING, 1-2 , 700 / 4L60E, (Orange) CONICAL**CALL FOR AVAILABILITY**
Outer spring. Replaces O.E.# 8663385

  $0.00
A74926C       Accumulator SPRING, 1-2 , 700 / 4L60E, (VIOLET)


  $1.87
A74926D       Accumulator SPRING, 1-2 , 700 / 4L60E, (RED)


  $2.03
A74926E       Accumulator SPRING, 1-2 , 700 / 4L60E, (GREEN)***CALL FOR AVAILABILITY***


  $10.12
A74926H       Accumulator SPRING, 1-2 , 700 / 4L60E, (WHITE)


  $1.98
A74927       Accumulator Piston, 700R4 / 4L60E, 1-2 & 3-4
310 inch PIN dia., 1982-UP. Order 1 or 2 as needed
bulk Pistons only, seals are in the OH kits.

  $2.50
A74927B       Accumulator Piston, 4L60E, 1-2
.230 inch PIN dia., 1994-UP
bulk Pistons only, seals are in the OH kits.

  $3.79
A74927C       1-2 Accumulator Piston, 4L65E, ALUMINUM W/O LEGS, 0.236 HOLE, 2003-UP
Transgo # 4L65-2ACM

  $15.19
A74936H       Accumulator SPRING, 1-2 & 3-4, 700 / 4L60E Performance 1983-93
Order 1 or 2 as needed.
For high performance, Police or Heavy Duty applications, Makes Transmission shift slightly firmer than stock.

  $3.19
D74480D       NO LONGER AVAILABLE USE S74480C Accumulator 3-4 capsule, w/ check ball, 700R4 / 4L60E,


  $16.52
D74905D       Piston, 4L70E, Servo 2nd Apply, 2006+
Piston, Servo 2nd Apply (Cast # 24229159) (4L70E)

  $44.70
S74480C       Servo Release Check Valve (82-Up) (Sonnax)

WARNING Must be used with properly functioning OE capsule.
Sonnax Part # 77701-076 , Alt. vender: # W-S74480D
BALL & CAPSULE REPLACEMENT, 700R4/4L60E 3RD ACCUM
Click for Sonnax Information Sheet

  $16.52
S74902H       Super servo, 700R4 / 4L60E, 4th gear, SONNAX
Sonnax Part # 77767K , Alt. vender: # W-S74902H
Increases Holding Power By 40% Over O.E.M., PISTON, 700R4/4L60E 4TH SERVO (SUPER HOLD)

Click for Sonnax Information Sheet

  $108.69
S74927K       Accumulator, PINLESS piston, 4L60 / 4L60E, 1-2 & 3-4 (Order 2 as needed)
Sonnax Part # 77998-03K , Alt. vender: # W-S74927K
1 set, Piston, seals & balls, Sonnax # 77998-03K, Order 2 kits as needed
PISTON KIT, 700R4/4L60E 1-2 & 3-4 ACCUM(W/SEALS & BALLS)
Click for Sonnax Information Sheet

  $16.38
S74937-1K       Accumulator Sleeve Kit, 4L60 / 4L60E, 3-4 accumulator
Sonnax Part # 77998-01K , Alt. vender: # W-S74927AK
Repair sleeve, piston, O ring, accum. Pin,
PISTON & SLEEVE KIT, 700R4 4L60E/4L65E 2-4 ACCUM(W/PIN)
Click for Sonnax Information Sheet

  $39.11
T74908       Pin, 2nd Apply (Extendo) 700-R4 (82-93)
Teckpak, 2nd apply, to adjust pin length

  $7.95
T74908E       Pin, 2nd Apply (Extendo) 4L60E (93-Up)
Teckpak, 2nd apply, to adjust pin length

  $6.60