Valve

OEM Valve #8603378 - OEM Pump, Valve, or Cylinder Repair Part for Case Construction Equipment In maintenance programs, this OEM replacement part supports repairs for weak hydraulic response, internal leakage, and pressure-control issues when poor actuation, oil bypass, slow movement, and unreliable hydraulic control indicates the original part has reached the end of service life. Often searched by buyers handling hydraulic drift repair, oil bypass service, and heavy equipment hydraulic component replacement service work.

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.