{"product_id":"3934877-water-inlet-connection-for-cummins-1989-2002-6bt5-9-diesel-engine","title":"3934877 Water Inlet Connection for Cummins 1989 2002 6BT5.9 Diesel Engine","description":"This \u003cstrong\u003eWater Inlet Connection 3934877 3903102 is a replacement water inlet connection compatible with Cummins 1989-2002 6BT5.9 Diesel Engines and matches OEM Part# 3934877 and 3903102.\u003c\/strong\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThis water inlet connection is designed to supply coolant to the cylinder block in Cummins 6BT5.9 diesel engines. It ensures reliable flow between the radiator and engine block, making it an essential component for engine cooling systems. Ideal for repair or replacement on older Cummins 5.9L diesel engines.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDirect replacement for OEM part numbers 3934877 and 3903102\u003c\/li\u003e\n\u003cli\u003eConstructed from corrosion-resistant materials for long service life\u003c\/li\u003e\n\u003cli\u003eEngineered to maintain proper coolant flow and pressure\u003c\/li\u003e\n\u003cli\u003eEasy bolt‑on installation with no modification required\u003c\/li\u003e\n\u003cli\u003eTested to meet or exceed factory specifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCummins 6BT5.9 diesel engines (1989-2002 model years)\u003c\/li\u003e\n\u003cli\u003eCompatible with Dodge Ram trucks, Ford E‑series vans, and other applications using this engine\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Uses\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReplacement of corroded or leaking water inlet connections on Cummins 5.9L engines\u003c\/li\u003e\n\u003cli\u003eEngine overhaul and cooling system restoration projects\u003c\/li\u003e\n\u003cli\u003eMaintenance for Class A motorhomes, box trucks, and marine generator sets\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number(s):\u003c\/strong\u003e 3934877, 3903102\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Cast aluminum \/ steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size:\u003c\/strong\u003e 1-1\/2\" NPT (inlet)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is this water inlet connection compatible with a 1998 Cummins 6BT5.9?\u003cstrong\u003e A:\u003c\/strong\u003e Yes, this part fits 6BT5.9 engines from 1989 to 2002, including the 1998 model year.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this come with gaskets or mounting hardware?\u003cstrong\u003e A:\u003c\/strong\u003e This listing is for the water inlet connection only; gaskets and hardware may need to be purchased separately.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eProduct appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":53678043758865,"sku":"ZZ2Z01576","price":104.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/1_c6ef7843-7b10-4213-8c62-d5fcdcad7a61.jpg?v=1781614061","url":"https:\/\/www.duraforce.com\/products\/3934877-water-inlet-connection-for-cummins-1989-2002-6bt5-9-diesel-engine","provider":"DURAFORCE","version":"1.0","type":"link"}