{"product_id":"cummins-3904353-rear-crankshaft-oil-seal-for-6b-6bt-6bta-5-9l-used","title":"Cummins 3904353 Rear Crankshaft Oil Seal for 6B \/ 6BT \/ 6BTA 5.9L - Used","description":"Application: Cummins B-series 6B \/ 6BT \/ 6BTA 5.9L rear crankshaft oil seal, OEM markings including 'SHAFT ROTATION', 'INSTALL DRY', and part number 3904353 stamped on the case OD. Condition: Used take-off with light surface rust on the metal case and shop soil; rubber lip appears intact in photos but sealing surface wear cannot be verified — best used as a reference\/pattern or core. Buyer must confirm fitment by part number, photos, dimensions, engine model, serial number, and application before purchase. Used marine part sold as-is unless otherwise stated. No returns on electrical, used, special-order, or installed parts.","brand":"Cummins","offers":[{"title":"Default Title","offer_id":48363436638446,"sku":"3904353","price":25.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7730\/4814\/files\/51ac2a54-9b37-40d7-85bc-fa370e59ca67.jpg?v=1784662768","url":"https:\/\/yachtsanddiesels.com\/products\/cummins-3904353-rear-crankshaft-oil-seal-for-6b-6bt-6bta-5-9l-used","provider":"Yachts and Diesels","version":"1.0","type":"link"}