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Pressure Regulator Valve

Pressure Regulator Valve

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Availability: In stock

$47.95

Quick Overview

SONNAX PRESSURE REGULATORVALVE 727 904 48RE 22771A-02K

Details

In Chrysler RWD units, the cooler/converter charge circuit is not opened until the pressure regulator
valve moves far enough to flow oil. The industry “fix” of drilling a small orifice between line
pressure and cooler circuit ensures fluid to the converter/lube circuit, but the hole also increases
the converter drainback problem because ATF can drain out through the orifice when the engine
is turned off.
Features & Benefits
• Pressure regulator valve 22771A-02K is designed with an internal check valve that allows oil to
flow into the converter charge circuit as soon as vehicle is started.
• Improves converter feed/lube oil flow at critical low RPM and high load conditions.
• With engine off, check valve prevents fluid from draining out of orifice, reducing converter
drainback.

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