Lock Valve

OEM Lock Valve Assembly #84403093 - OEM Hydraulic Service Replacement for Heavy Equipment Repair This OEM service replacement repairs worn equipment systems affected by weak hydraulic response, internal leakage, and pressure-control issues, a condition often paired with internal leakage, pressure drop, hydraulic drift, and weak system response. Often searched by buyers handling OEM hydraulic valve replacement, pump repair, cylinder service, and pressure-control maintenance 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.