Hose

Genuine Kubota Hose, part number RD579-42390.

Fits Kubota KX040-5, KX057-5, U48-5, U55-5.

System: Cooling Water System, Engine.

Assembly: Reserve Tank.

Shipping weight: 0.09 lb.

Genuine Kubota OEM part, supplied by Southeastern Equipment.

Ships nationwide. In-stock parts ordered before 2:30 PM ET ship the same business day. Your exact shipping cost and delivery estimate are calculated at checkout from your ZIP code and the part’s size and weight; oversized and truck-freight items may need extra transit time and freight charges.

Free branch pickup is also available across Ohio, Indiana, Michigan, and Kentucky — just choose it at checkout.

30-day returns. New, unused parts in original packaging may be returned within 30 days. Some items — including electrical, special-order, and direct-from-supplier parts — are non-returnable. See our full return policy.