The Dana Spicer SL321-8 or SL3218 is a 1-8 gauge oil plug designed for off-highway axle applications. This plug seats in the axle housing to seal the oil fill or drain port, maintaining proper fluid retention in demanding off-road service. As a genuine Dana Spicer part, it is built to the manufacturer's original specification for the axle applications where it fits. If you need to confirm this plug matches your specific axle housing thread size or application, call Pro Gear and Transmission and we can help verify proper fit before you order.
Features
Genuine Dana Spicer part number SL321-8 or SL3218
1-8 gauge thread specification
Designed for off-highway axle applications
Seals axle housing oil fill or drain port
Call us to confirm fitment for your specific axle
