Superseded Part Number: 77917-471, S74507TAK
Interchange Part Number: 77917-471, S74507TAK
Surface Finish: new
Manufacturer Part Number: 77917-471, S74507TAK
Other Part Number: 77917-471, S74507TAK
Brand: Sonnax
UPC: Does not apply
Hello, If you need assistance finding a part please supply the VIN number of your NORTH AMERICAN vehicle AND the part number you are looking for.200-4R, 4L60
TV Boost Valve Kit
Part No. 77917-471
.471" Dia., O-ring style
A common problem in GM 4L60 transmissions is burnt bands and/or 3-4 clutches. This failure can be reduced by eliminating throttle boost oil leakage. Sonnax TV boost valve kit 77917-471 will eliminate these problems for a variety of applications. For a higher pressure boost, use TV boost valve kit 77917-500(not included).
- Boost valve and sleeve are made from hardened steel for better wear resistance
- O-rings on sleeve separate throttle pressure and reverse boost circuits, providing additional protection against cross leaks
- O-rings prevent loss of oil between the outside diameter of the throttle valve sleeve and pump body
- Valve
- Sleeve
- O-Rings (2)
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