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Spicer · Brakes & Wheel End
90-86-18
In stock · ships from Knoxville
This is a Spicer SPL90 series dust cap designed for a slip yoke or drive shaft assembly on heavy-duty trucks.
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 seals out dirt, moisture, and debris from the splined connection, preventing contamination that can cause premature wear or corrosion. Replacing a damaged or missing dust cap helps maintain proper lubrication and extend the life of your drive shaft. It is commonly replaced when the dust cap is lost, cracked, or during driveline rebuilds.
Part Number: 90-86-18
DUST CAP
Unit: ea
Dealer: Post Onsite
Compatibility, alternatives, and more
Parts commonly needed alongside brakes & wheel end