{"product_id":"tomanic-19-tooth-steering-sector-gear-kit-for-john-deere-d100-d170-pinion-bushing-hardware-direct-replacement","title":"Tomanic 19-Tooth Steering Sector Gear Kit for John Deere D100–D170 — Pinion, Bushing \u0026 Hardware, Direct Replacement","description":"\u003cp\u003e\u003cstrong\u003eThe Tomanic 19-tooth steering sector gear kit is a direct-replacement repair set built to restore steering on John Deere D-series lawn tractors (D100–D170) with a durable pinion, sector plate, bushing and hardware.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen steering becomes sloppy or noisy on an older John Deere D100–D170 model, replacing worn internal components with a complete rebuild kit can bring back precise control. This kit from Tomanic includes the sector plate, pinion gear, metal bushing and fasteners so you can replace the assembly without hunting down individual parts. It’s designed as a direct fit for the listed D-series models and references the original OEM part numbers for easy verification.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I know this kit fits my tractor?\u003c\/h3\u003e\n\u003cp\u003eConfirm fitment by checking your tractor model against the list: John Deere D100, D105, D110, D120, D125, D130, D140, D150, D160 and D170. The kit is manufactured to match the original geometry and mounting points so installation does not require modification.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits D100–D170 series models—verify your model before ordering\u003c\/li\u003e\n  \u003cli\u003eReplaces OEM sector plate GX21924BLE\u003c\/li\u003e\n  \u003cli\u003eReplaces OEM pinion GX20053 and bushing GX20054\u003c\/li\u003e\n  \u003cli\u003eDesigned for direct replacement—no custom machining\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat parts are included and what materials are used?\u003c\/h3\u003e\n\u003cp\u003eThe kit ships as a single set containing the sector plate, a 19-tooth pinion gear, a metal bushing and the necessary nut and bolt. Components are made from hardened steel with a powder-coated finish on the sector plate to resist corrosion and improve part life under typical lawn-care use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1 sector plate (powder-coated steel) for durability\u003c\/li\u003e\n  \u003cli\u003e1 19-tooth pinion gear (hardened steel) for accurate meshing\u003c\/li\u003e\n  \u003cli\u003e1 metal bushing to restore proper shaft clearance\u003c\/li\u003e\n  \u003cli\u003e1 nut and bolt for secure, ready-to-install assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow will replacing these parts affect steering performance?\u003c\/h3\u003e\n\u003cp\u003eInstalling the new sector gear, pinion and bushing removes wear-related play and tooth deterioration that cause vague or jerky steering. Restoring correct gear engagement returns smoother steering input and improved tracking, particularly at low speeds and while maneuvering around obstacles.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReduces free play and steering slop\u003c\/li\u003e\n  \u003cli\u003eQuieter operation with proper gear contact\u003c\/li\u003e\n  \u003cli\u003eImproves directional control for mowing and towing tasks\u003c\/li\u003e\n  \u003cli\u003ePrevents further damage to adjacent steering components\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this a DIY replacement or should I use a shop?\u003c\/h3\u003e\n\u003cp\u003eThe kit is intended for owners or mechanics comfortable with basic tractor disassembly and reassembly. Typical tasks include removing the front cover or steering housing, replacing the worn parts, and re-torquing hardware to spec. If you lack the tools or experience with tractor steering systems, a repair shop can complete the swap quickly and safely.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSuitable for experienced DIYers with hand tools and basic mechanical skills\u003c\/li\u003e\n  \u003cli\u003eIncludes all hardware for a single complete repair\u003c\/li\u003e\n  \u003cli\u003eProfessional service recommended if unsure about steering safety\u003c\/li\u003e\n  \u003cli\u003eFollow torque and alignment checks after installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This Tomanic steering sector gear kit is aimed at owners and maintenance technicians of John Deere D-series lawn tractors (D100–D170) who need an OEM-referenced replacement to restore steering precision. It’s useful for seasonal maintenance, refurbishing older machines, and anyone replacing worn steering components to extend the service life of their mower.\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: Does this kit fit my John Deere D140?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The Tomanic kit is compatible with John Deere D140; verify your model before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are OEM part numbers included?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The kit replaces OEM GX21924BLE (sector), GX20053 (pinion) and GX20054 (bushing).\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Tomanic","offers":[{"title":"Default Title","offer_id":48086341157022,"sku":"B09N6WHL6K","price":47.44,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/tomanic-sector-plate-front-view.jpg?v=1785895551","url":"https:\/\/northtrailauto.ca\/products\/tomanic-19-tooth-steering-sector-gear-kit-for-john-deere-d100-d170-pinion-bushing-hardware-direct-replacement","provider":"North Trail Auto","version":"1.0","type":"link"}