{"product_id":"a-3912473-ai-seal-rectangular-crankshaft","title":"A-3912473-AI Seal; Rectangular Crankshaft","description":"\u003ch3\u003eOne New Aftermarket Replacement Rectangular Crankshaft Seal for Cummins B Series Engines\u003c\/h3\u003e\u003cp\u003eThis rectangular crankshaft sealing ring is used in the Cummins B Series diesel engine family, providing a critical oil-tight seal at the crankshaft. Also described as a rectangular or square sealing ring, this part is a direct replacement for Cummins OEM part number 3912473 and supersedes earlier number 3906699. It is commonly serviced during engine overhaul, rebuild, or crankshaft seal replacement on Cummins 4B, 4BT, 4BTA, 6B, 6BT, and 6BTA engines found in agricultural, construction, industrial, and on-highway applications.\u003c\/p\u003e\u003ch4\u003eCompatible Engines\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eCummins B Series:\u003c\/strong\u003e 4B 3.9L, 4BT 3.9L, 4BTA 3.9L, 6B 5.9L, 6BT 5.9L, 6BTA 5.9L\u003c\/p\u003e\u003ch4\u003eReplaces Part Number(s):\u003c\/h4\u003e\u003cp\u003e3912473, 3906699\u003c\/p\u003e\u003ch4\u003eAftermarket Interchange Numbers\u003c\/h4\u003e\u003cp\u003eA-3912473-AI, A-3912473, CUM3912473, PAI 136031, M-3912473\u003c\/p\u003e\u003cp\u003eNew aftermarket replacement part - not remanufactured, not used.\u003c\/p\u003e","brand":"Reliable Aftermarket Parts, Inc® -OD","offers":[{"title":"Default Title","offer_id":41254381355091,"sku":"A-3912473-AI","price":12.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/4060\/3955\/files\/A-3912473-AI_01.jpg?v=1779157730","url":"https:\/\/www.reliableaftermarketparts.co.uk\/products\/a-3912473-ai-seal-rectangular-crankshaft","provider":"Reliable Aftermarket Parts, Inc®","version":"1.0","type":"link"}