{"product_id":"winters-heat-treated-lower-shaft-5003","title":"Winters Performance - Heat Treated 10-Spline Lower Shaft for Quick Change Differential (Replacement\/Repair) (5003)","description":"\u003cp data-end=\"358\" data-start=\"170\"\u003eReplacement 10-spline lower shaft, standard equipment for Winters Performance 10-inch quick-change differentials. \u003cstrong\u003e(Part #17 in the exploded view)\u003c\/strong\u003e\u003cbr data-end=\"238\" data-start=\"235\"\u003e\u003cbr\u003eThis 5003 shaft is heat-treated for enhanced durability and strength, delivering consistent performance even under high-load conditions. As a primary component of the quick-change differential, which is subjected to significant forces from the engine, transmission, and driveshaft, this shaft is prone to twisting and wear in high-horsepower vehicles and those equipped with high-grip tires. We strongly recommend regular replacement and keeping a spare on hand.\u003c\/p\u003e\n\u003cp data-end=\"455\" data-start=\"360\"\u003e\u003cstrong data-end=\"366\" data-start=\"360\"\u003eSpecifications\u003c\/strong\u003e\u003cbr data-end=\"369\" data-start=\"366\"\u003ePart Number: 5003\u003cbr data-end=\"387\" data-start=\"384\"\u003eProcessing: Heat-treated\u003cbr\u003e\u003cspan\u003eSpline Count: 10-spline\u003c\/span\u003e\u003cbr\u003eCompatibility: Winters Performance 10-inch quick-change differentials\u003cbr\u003ePart #: 17 (exploded view)\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-end=\"463\" data-start=\"457\"\u003eKey Features\u003c\/strong\u003e\u003cbr data-end=\"466\" data-start=\"463\"\u003eHigh-precision machining for smooth gear splines\u003cbr data-end=\"492\" data-start=\"489\"\u003eHeat treatment provides resistance to wear and distortion, ensuring a long service life even under hard use\u003cbr data-end=\"524\" data-start=\"521\"\u003eMaintains consistent reliability even for vehicles with frequent gear set changes\u003c\/p\u003e\n\u003cp data-end=\"646\" data-start=\"552\"\u003e\u003cstrong data-end=\"560\" data-start=\"552\"\u003eNotes\u003c\/strong\u003e\u003cbr data-end=\"563\" data-start=\"560\"\u003ePlease verify shaft compatibility beforehand.\u003cbr data-end=\"591\" data-start=\"588\"\u003eEnsure proper backlash adjustment during assembly.\u003cbr data-end=\"621\" data-start=\"618\"\u003eProfessional installation by a qualified specialist is recommended.\u003cbr\u003e\u003cbr\u003e※ Winters quick-change lower shafts are also available in a \u003ca rel=\"noopener\" href=\"https:\/\/fivesquareusa.com\/a\/search?q=winters+%E3%83%92%E3%83%BC%E3%83%88%E3%83%88%E3%83%AA%E3%83%BC%E3%83%88+%E3%83%AD%E3%82%A2%E3%82%B7%E3%83%A3%E3%83%95%E3%83%88\u0026amp;options%5Bprefix%5D=last\" target=\"_blank\"\u003e32-spline model\u003c\/a\u003e. Please confirm the spline count of your differential before ordering.\u003cbr\u003e\u003cbr\u003eFor information on the 350M reinforced lower shaft standard in 1500HP+ quick-change models, please click \u003ca rel=\"noopener\" href=\"https:\/\/fivesquareusa.com\/a\/search?q=winters+voscomax+%E3%83%AD%E3%82%A2%E3%82%B7%E3%83%A3%E3%83%95%E3%83%88\u0026amp;options%5Bprefix%5D=last\" target=\"_blank\"\u003ehere\u003c\/a\u003e.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBefore You Order\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e〇 Import Consumption Tax\u003cbr\u003eAt Shafutoya, we cover the import consumption tax incurred during customs clearance, so you will not be charged any additional fees beyond the total amount shown at checkout.\u003cbr\u003e\u003cbr\u003e〇 \u003cspan\u003eCompatibility Verification\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eOur entire product database is based on North American (USDM) vehicles. Please verify compatibility with Japanese (JDM) vehicles before ordering. (If you are unsure if a listed product is compatible with your vehicle, please feel free to contact us; our support team will be happy to look it up for you.)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWe cannot accept returns due to incompatibility if an order is placed without prior verification.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePlease note that even if items are sorted by selecting the year, make, and model using the tabs on our top page, it does not guarantee a direct fit for Japanese-spec models without modification.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAll product descriptions are translated into Japanese using software. There may be confusing expressions, so please contact us before ordering if you have any questions.\u003cbr\u003e\u003cbr\u003e○ Shipping Information\u003cbr\u003eShipping costs are paid at checkout. Quotes are calculated automatically once you enter your shipping address on the checkout page. For large items such as body parts, the actual shipping cost may significantly differ from the automated calculation in rare cases. If this occurs, we will contact you via email separately.\u003cbr\u003e\u003cbr\u003eAll products are generally shipped internationally from our U.S. warehouse. Unlike domestic shipping within Japan, international delivery typically takes 7 to 14 days, so please allow sufficient time for your order. If you are in a hurry, please contact us to confirm delivery dates beforehand. All items are shipped via air freight; we do not use sea freight.\u003cbr\u003e\u003cbr\u003e○ Japanese Vehicle Inspection Compliance\u003cbr\u003ePlease note that all products we handle are designed and manufactured outside of Japan. They are not compliant with \"Japanese vehicle inspection standards,\" and we cannot provide documents such as strength calculation reports. Therefore, all parts are sold for \"circuit, private property, and off-road use only,\" and their installation and use are at your own risk.\u003cbr\u003e\u003cbr\u003e○ Warranty Policy\u003cbr\u003ePlease check the contents of your order as soon as it arrives. As all products are shipped internationally from outside Japan, there is a possibility of damage to the packaging or the product during transit. We will handle returns, refunds, or replacements only if you contact us within 7 days of receipt regarding items that are damaged, defective, or incorrect. Please understand that all warranty claims for items sold through us must be handled \"exclusively through us.\" We do not provide service through other third-party companies or distributors located within Japan.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"688\" data-start=\"631\"\u003e \u003c\/p\u003e","brand":"Winters Quick Change","offers":[{"title":"Default Title","offer_id":41977065144375,"sku":"WIN5003","price":285.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0259\/7502\/9815\/files\/WIN5003.jpg?v=1762297978","url":"https:\/\/fivesquareusa.com\/en-ca\/products\/winters-heat-treated-lower-shaft-5003","provider":"Shaft Shop","version":"1.0","type":"link"}