Water Pump, Detroit Diesel, 60 Series Engine, Premium Seal, High Flow Capacity Posted on October 31, 2024 by admin Genuine Haldex Midland Water Pump RW4123X. MFG 23522707 (23505019), Casting 23512027, Premium Seal Plastic, Back Plate, High Flow Capacity, 6 Vane Impeller. Water Pump for Detroit Diesel 60 Series Engine.