Items # 12 & 6 in the Parts Breakdown
OEM seals are a steel ring with a rubber sealing lip, they are prone to damage and difficult to install
Aftermarket seals are a product we offer, made from 100% urethane, they are substantially more durable than the OEM seals and significantly less money a great upgrade for you axles to help keep mud and water out of the king pins
Please note OEM seals are currently on a 2 week backorder, aftermarket seals are a stocked item
If you wish to have an OEM seal please contact us for pricing and availability