{"product_id":"heavy-duty-primary-countershaft-gearbox-replacemen","title":"Heavy Duty Primary Countershaft Gearbox Replacement For AH154770 Oem Fitment Bulletproof Transmission Upgrade No Sweat Swap Built For Farm And Work Rig True Blue American Build Quality Guaranteed","description":"\u003cdiv\u003eUpgraded Countershaft Gearbox Assembly Replaces AH154770 Units\u003cbr\u003e\n✔️ Direct fitment replaces AH154770 builds to OEM factory specs. \u003cp\u003eThis aftermarket gear set fits straight into working trucks and farm tractors to handle heavy pulling tasks. It keeps drivetrains running smooth on rough jobsites where stock parts tend to fail early. Every order ships a stand alone replacement piece ready for quick truck swaps without extra modifications.\u003c\/p\u003e ✅ Direct factory style fitment for AH154770 transmission systems\u003cbr\u003e\n✅ Built to meet or surpass original manufacturer tolerances\u003cbr\u003e\n✅ Reinforced internal gearing optimized for heavy farm and work rig duty\u003cbr\u003e\n✅ Standalone unit design for straightforward truck installation\u003cbr\u003e \u003cp\u003e💡 What signs point to needing a primary countershaft replacement on diesel equipment?\nSwapping out worn transmission internals stops costly drivetrain damage before it spreads across your setup. These direct swap kits are truly handy for field crews who want zero hassle.\n- Factory rebuild tolerances prevent premature wear in high torque applications\n- Bolt on cross compatibility saves time during medium duty truck maintenance windows\n- Hardened steel shafts absorb shock impacts from aggressive towing setups\n- Balanced rotational dynamics keep operating temperatures stable under heavy loads\u003c\/p\u003e✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":49242842824939,"sku":"VXB08YQP7489","price":8347.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/51c5x2GIcRL.jpg?v=1786959839","url":"https:\/\/vxb.com\/products\/heavy-duty-primary-countershaft-gearbox-replacemen","provider":"VXB Bearings","version":"1.0","type":"link"}