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42RE / 44RE Lube Regulated Pressure Regulator Valve


Mfg Retail: $55.72
Cost From Us: $48.88
You Save: $6.84
In Stock
Our Part #: S-22771A-02K
Manufacturer: Sonnax
Mfg Part # : 22771A-02K
free shipping
42RE / 44RE Lube Regulated Pressure Regulator Valve

This Fits All A500 / 42-RE / 42-RH / 44-RE Automatic Transmission Applications


Symptoms This May Fix:
Converter Bushing Failure

Delayed Engagement
Lube Failures
Pressure Regulator Buzz


In 42RE / 44RE units the Cooler / Converter Charge Circut can not be opened until the
Pressure Regulator Valve moves far enough to allow oil flow.
Drilling a small orifice between line pressure and cooler circuts ensures fluid to the converter / lube circut.
The problem with that is the hole increases the converter drain back problem.
When the engine is turned off fluid drains back through the orifice.

Sonnax has engineered a Lube Regulated Pressure Regulator Valve with an Internal Valve.

This Valve dramatically improves Lube Oil Flow at Critical Low RPM's and High load conditions.
When the engine is off the check valve prevents fluid from draining back out of the orifice.
This drastically Reduces the Coverter Drainback Problem.

Photos show the actual part that is shipped


Our Part #     S-22771A-02
Sonnax part # 22771A-02


We would appreciate the opportunity to serve your transmission parts needs ! ! !

Cascade Transmission Parts , Inc.
All Rights Reserved ®






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