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Sonnax 147741-07K Oversized Lockup Relay Valve Kit A750E/F, A760E/F/H, A761E ..

by Sonnax
SKU S117741AC-1K
Sold out
Original price $43.24 - Original price $43.24
Original price
$43.24 - $43.24
Current price $43.24
Out of stock

Delivery time

You will receive your package in 2–5 business days within the contiguous U.S.

Manufacturer Part Number: 147741-07K

Other Part Number: S147741C-1

Brand: Sonnax

A750E, A750F, A760E, A760F, A760H, A761E, A960E, A960F, AB60E, AB60F

Oversized Lockup Relay Valve Kit
Part No. 147741-07K

  • F-147741-TL7
  • VB-FIX
Toyota vehicles equipped with listed transmissions frequently exhibit TCC and lube/cooler flow problems due to excess wear in the lockup relay valve bore. This bore deterioration allows vital fluid loss, often resulting in TCC apply and release concerns, TCC codes, lube failures, overheating, and burned TCC lining. Reconditioning the bore and installing Sonnax oversized lockup relay valve kit 147741-07K shores up the hydraulic integrity of these circuits, restoring normal TCC/cooler/lube function.
  • Hardcoat anodized aluminum valves combat premature wear
  • Matched spring helps restore OE performance
  • Control Valve
  • Spring
  • End Plug
  • Lockup Relay Valve


  • TCC apply & release concerns
  • TCC apply codes
  • Burnt converter
  • Shudder
  • Overheating
  • Lube failures


Excess wear in lockup relay bore due to frequent valve stroking prevents proper hydraulic control of TCC, lube and cooler circuits.


Recover hydraulic control and renew TCC/cooler/lube operation by reconditioning the bore and installing Sonnax oversized lockup relay valve kit.

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