{"product_id":"bonbo-crankshaft-wear-sleeve-seal-install-tool-set-for-dodge-cummins-3-9l-6-7l-hardened-steel-black-oxide","title":"Bonbo Crankshaft Wear Sleeve \u0026 Seal Install Tool Set for Dodge Cummins 3.9L–6.7L — Hardened Steel, Black Oxide","description":"\u003cp\u003e\u003cstrong\u003eBonbo's 5046 crankshaft wear sleeve tool and 1338 front cover crankshaft seal installer are a matched pair engineered to position seals and sleeves perfectly on Dodge Cummins 3.9L, 5.9L and 6.7L diesel engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you service Dodge Cummins engines from late-1980s 4BTs through modern ISB\/6.7L and Paccar PX-6 platforms, these purpose-built tools eliminate guesswork when seating OEM seals and wear sleeves. The two-piece set replaces factory service tools, aligns parts concentrically, and reduces the chance of damage during installation by delivering even pressure and a controlled fit. Constructed from hardened steel with a black oxide finish, they’re made to withstand repeated shop use while resisting corrosion.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these tools ensure a correct seal or sleeve fit?\u003c\/h3\u003e\n\u003cp\u003eThe 1338 and 5046 are shaped to match factory seal and wear sleeve dimensions so each component is driven straight and square into its bore. That precise fit prevents cocking or misalignment that leads to leaks or premature wear.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMatches OEM seating diameters for part numbers #3937111, #3904353 and kits like #3802820.\u003c\/li\u003e\n\u003cli\u003eCenters the seal and sleeve to avoid uneven compression.\u003c\/li\u003e\n\u003cli\u003eDistributes installation force to prevent torn lips or deformed sleeves.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich Dodge Cummins engines and service parts are supported?\u003c\/h3\u003e\n\u003cp\u003eThis set was designed for a wide range of Cummins B-series and ISB models plus QSB and Paccar applications. It fits common factory seals and directly replaces specific manufacturer tool numbers, streamlining routine front cover and crankshaft work.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with Dodge Cummins 4BT 3.9L, B-series 5.9L, ISB 5.9L\/6.7L and QSB 5.9L\/6.7L engines.\u003c\/li\u003e\n\u003cli\u003eWorks with factory seal numbers #3937111 and #3904353 and kit #3802820 components.\u003c\/li\u003e\n\u003cli\u003eReplaces OEM tool numbers 3824498 (1338) and 3824500 (5046).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and durability can I expect from the Bonbo set?\u003c\/h3\u003e\n\u003cp\u003eBonbo manufactures both pieces from high-strength steel and applies a black oxide coating to fight corrosion. The robust construction lets shops reuse the tools for many jobs without bending or premature wear, making them a cost-effective addition to the toolbox.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-strength steel core for structural rigidity.\u003c\/li\u003e\n\u003cli\u003eBlack oxide finish improves rust resistance and reduces galling.\u003c\/li\u003e\n\u003cli\u003ePrecision-machined surfaces for repeatable installations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this tool set affect workshop efficiency and repair quality?\u003c\/h3\u003e\n\u003cp\u003eUsing purpose-built installers speeds installations and reduces rework by ensuring components seat correctly the first time. That lowers downtime and the likelihood of post-repair leaks or warranty callbacks.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eShortens seal and sleeve installation time with accurate alignment.\u003c\/li\u003e\n\u003cli\u003eMinimizes damage risk to expensive front covers and crank components.\u003c\/li\u003e\n\u003cli\u003eSimplifies training for technicians by providing a repeatable procedure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Professional diesel mechanics, fleet maintenance shops, and experienced DIYers who work on Dodge Cummins 3.9L, 5.9L and 6.7L engines and need a reliable method to install front crankshaft seals and wear sleeves. If you routinely replace factory seal numbers listed above or perform front cover service on B-series, ISB, QSB or Paccar engines, this Bonbo tool set speeds the job and protects parts during installation. Bonbo backs the set with a satisfaction policy, allowing returns within the stated window if it doesn’t meet your needs.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this set fit my 2006 Dodge Cummins 5.9L?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The set supports B-series and ISB 5.9L engines, including 2006 Cummins models that use the listed factory seal part numbers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these tools corrosion resistant?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. They are made from high-strength steel with a black oxide coating to resist rust and extend service life.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Bonbo","offers":[{"title":"Default Title","offer_id":48084590821534,"sku":"B08DLJFWGL","price":37.82,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/bonbo-1338-5046-front-packaging.jpg?v=1785860324","url":"https:\/\/northtrailauto.ca\/products\/bonbo-crankshaft-wear-sleeve-seal-install-tool-set-for-dodge-cummins-3-9l-6-7l-hardened-steel-black-oxide","provider":"North Trail Auto","version":"1.0","type":"link"}