Fitment -- HC4645H seal kit fits for SeaStar BayStar Cylinder HC4645H HC4648H HC4658H HP4600 FSM131 Gen2 style units which uses a recessed dual action wiper seal.
Direct Replacement -- Direct replace your worn off SeaStar Cylinder HC4645H seal seals. Replacement for OEM HP4600.
Superior Material -- Made of superior-quality Viton & High Grade Urethane Seals. Good wear resistance and waterproof performance, not afraid of oil immersion, acid and alkali resistance, can operate under various harsh conditions; long service life.
Function -- Fast Repair leaking! Rebuild your Cylinder Seal easily and save your time & money.
100% Satisfaction Guarantee -- Yoursme committed to providing customers with a good product experience, if you are not satisfied with our HC4645H seal kit, simply return it for a full refund in 30 days. We support 12 months' Warranty.