EZ Lube Dust Cap Rubber Plug Replacement $0.95 Replacement Rubber Plug For The EZ Lube Dust Caps. EZ Lube Dust Cap Rubber Plug Replacement quantity Add To Order Form SKU: 1638 Categories: Components, Hubs Related products 1 1/16″ Bearing L44649 $5.95 Part #:1653 1 1/16" Is The Measurement Of The Inner Diameter On The Bearing. Add To Order Form #42 1 3/4″ Seal 2233TB $3.95 Part #:1655 Fits Most 6 Lug And 8 Lug Hubs. Add To Order Form 1 1/4″ Race 15245 $5.95 Part #:1648 Fits The 6 Lug 1 1/4" Bearing (15123) Part # 1650. Add To Order Form #42 6/8 Lug Air-Tight Rear Seal (AT-5300) $26.95 Part #:3859 Super Seal - Fits 5200, 6000, 7000 & 8000 lb Axles Add To Order Form