OER Parts offers a wide selection of Oil System & Parts for your 1976 Mercury Monarch. OER Parts offers 1976 Mercury Monarch Bypass Valves, 1976 Mercury Monarch Dipsticks and Tubes, 1976 Mercury Monarch Filter Adapters, 1976 Mercury Monarch Oil Coolers, 1976 Mercury Monarch Oil Filters, 1976 Mercury Monarch Oil Pan Baffles, 1976 Mercury Monarch Oil Pans, 1976 Mercury Monarch Oil Pickup Tubes, 1976 Mercury Monarch Oil Pumps, and 1976 Mercury Monarch Oil Senders.