Your cart is empty
Browse our catalog to find the parts you need.
These images are illustrative and may not match the product exactly. Always verify by part number — or confirm instantly with the assistant using a photo or VIN.

Wabash National · Brakes & Wheel End
10600526
In stock · ships from Knoxville
This freeze plug (also called an expansion plug) is used to secure the in-axle wheel speed sensor on Wabash MBS-1 and MBS-2 trailer antilock braking systems.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 2 applications
Add your truck to see whether it's one of them
All confirmed applications for this part number.
Other applications
Other applications
Usually 2 or 4 plugs required per trailer depending on sensor configuration (e.g., 2S/1M uses 2, 4S/2M uses 4).
Part data verified against 1 catalog sources
Different year, make, or config? Get a confirmation against your truck in under a minute.
It fits into the axle end, holding the sensor firmly in place against vibration and road debris. These plugs may need replacement when they become brittle, swollen, or damaged during brake service or sensor replacement.
Part Number: 10600526
ABS EXPANSION PLUG MBS-1
Unit: ea
Dealer: Knox Trailers
Compatibility, alternatives, and more
Parts commonly needed alongside brakes & wheel end