1997-on Dodge Ram 47RE 48RE HD Billet Reverse Servo Piston Upgrade
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1997-on Dodge Ram 47RE 48RE HD Billet Reverse Servo Piston Upgrade

$11.31
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Modified Item: No Country/Region of Manufacture: United States Custom Bundle: No Surface Finish: Light oil to prevent corrosion Manufacturer Part Number: 22912C Other Part Number: 22912B 52118745 Brand: Sonnax Fitment Type: Direct Replacement  Non-Domestic Product: No Transmission Type: Automatic  Manufacturer Warranty: Unspecified Length Dodge Ram Cummins Diesel A618 47RE 48RE Billet Reverse Super Servo Upgrade Fits 1997-up Symptoms this piston addresses: Burnt bands No Reverse Rear servo piston sticking/breakage Cause: Piston cocking in bore and pin bore wear inhibits band apply. Correction: Restore normal servo operation by installing Sonnax rear servo piston. The rear servo piston in Chrysler 47RE and 48RE '97-later units can get wedged in the bore, causing bind in Reverse. Intermittent binding leads to bore wear and band damage. The improved design and material of Sonnax rear servo piston 22912C eliminates these concerns for consistent rear band apply. Verify OE

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