The Dana Spicer 320440 is an axle housing designed for R521 on-highway axle applications. This is a genuine Dana Spicer replacement housing, sourced and sold by Pro Gear and Transmission. The R521 designation identifies the specific axle series this housing fits, making correct part identification critical before ordering. If you need help confirming this is the right housing for your axle assembly, give us a call and we can help verify the application before you order.
Features
Genuine Dana Spicer axle housing
Fits R521 on-highway axle applications
Part number 320440
Sold by Pro Gear and Transmission
Call to confirm fitment for your specific axle build
