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PAI · Drivetrain
ER72990
In stock · ships from Knoxville
This is an oil seal for the pinion shaft of Rockwell rear axles, specifically the RR 20160 and RR 23160 models.
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Verified fitment for 2 applications
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Commonly used as a pinion seal on these axles, which are found in various heavy-duty truck makes (Volvo, Freightliner, etc.) that used Rockwell/Meritor axles. Always verify axle model before ordering.
Part data verified against 4 catalog sources
Numbers this part supersedes or interchanges with. Showing 9 of 9.
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It prevents gear oil from leaking out where the driveshaft yoke enters the differential housing. You typically replace it when you notice oil seepage at the pinion seal area, during differential overhauls, or as preventive maintenance. The seal measures 3.25 inches inner diameter, 5.90 inches outer diameter, and 0.75 inches thick.
Part Number: ER72990
A1205Q-2591 PINION SEAL
Vendor: PAI Industries
Dealer: KP Services Crossville
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