Anodized aluminum inner axle seal installs over the axle and prevents rear end oil from reaching the bearings. You will not receive the red one it the photo, but a similar one that is black.
Rear End Axle Seal 3/16" Wall Anodized Red
Winters 6697-01 Aluminum 4 Rib Quick Change Rear End Axle Side Bell WD10
Winters 6697-02 Aluminum 4 Rib Quick Change Rear End Axle Side Bell WD11
Winters Blue 28-1/4" Long Wide 5 Quick Change Rear End Axle Tube D4
Frankland 8 Rib Quick Change Rear End Axle Side Bell WD5
Frankland 8 Rib Magnesium Quick Change Rear End Axle Side Bell Winters Tiger
