30 Days FREE Return. For Engine Model(s): 4B3.9M, 4B3.9D(M), 4BT3.9M, 4BT3.9-D9(M), 4BTA3.9M, 4B5.9M, 6B5.9M, 6B5.9-D(M), 6BT5.9M, 6BT5.9-D(M). For Used on various 4 cylinder Cummins diesel engines. For Sherwood M70 M71 Cummins Diesel Engine. 3912019,3907458, M70, M71, JPR-C1025. Port Size (Outside Diameter) 1 1/4 or 32mm. This is a High Quality Aftermarket Parts. This product comes with best after-sales service. Professional Installation Is Highly Recommended. Even if your Boat is shown in the compatibility, pls also double check the fitment details and photos before ordering. All our products are 100% brand new unless otherwise stated in the product description section. We only offer the highest quality parts and accessories available and we are not responsible for any illegal issues that caused by the improper usage of our products. >>you might also like. 2-4 Lift Upper Control Arm One-piece Bushing for 2007-18 Silverado Sierra 1500. Intake Manifold For Chevy Silverado 1500 Tahoe GMC Sierra 2500 Yukon XL Envoy. Aluminum Oil Pump for BMW 1 3 Series E81 E82 E46 E90 11277594471. High Pressure Fuel Pump for Cadillac ATS 2.0L 2.5L 13-15 Coupe Sedan 12651175.