Lock Pin

OEM Lock Pin 19Mm Od X 176Mm L Coupler #51417256 - OEM Pin, Bolt, or Retainer Service Part for Heavy Equipment Repair As a direct OEM service replacement, this part is intended to fix equipment affected by looseness, missing retention, hardware wear, and attachment instability and related repair of damaged pins, stripped hardware, or lost retainers during service. Relevant to maintenance teams managing bolt replacement, retainer clip service, and heavy equipment hardware repair replacement needs.

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.