2004R 4L60 700R4 Transmission TV Boost Valve Kit Sonnax 77917-471 .471"
Delivery time
You will receive your package in 2–5 business days within the contiguous U.S.
Delivery time
You will receive your package in 2–5 business days within the contiguous U.S.
Brand: SONNAX
Type: Pump component
Manufacturer Warranty: Yes
Part Brand: Sonnax
Fitment Type: Direct Replacement
Items Included: Boost Valve and Sleeve with O-rings
Manufacturer Part Number: 77917-471
Universal Fitment: Yes
Vintage Part: No
Performance Part: Yes
A common problem in GM 200-4R and 4L60 transmissions is burned bands and/or 3-4 clutches. This failure can be reduced by eliminating throttle boost oil leakage. The Sonnax TV boost valve kits 77917-01K (.423" dia.), 77917-471 (.471" dia.) and 77917-500 (500" dia.) eliminate these problems for a variety of applications. For higher line pressure for towing and off-road, use Sonnax TV boost valve kit 77917-471.
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