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Spicer · Drivetrain
127719
In stock · ships from Knoxville
This is a differential pinion oil seal designed for the front input of tandem axles.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
We don't publish fitment for this part yet. Rather than guess, get it confirmed against your truck in under a minute.
It prevents gear oil from leaking where the driveshaft enters the differential carrier. Replacing a worn or dried‑out seal like this stops leaks that can lead to low fluid levels and driveline damage.
Part Number: 127719
PINION SEAL
Vendor: Weller Truck Parts
Dealer: KP Services Crossville
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