{"product_id":"yukon-gear-4340-chromoly-axle-for-jeep-rubicon-jk-rear-left-32-spline-31-25in-long-kit","title":"Yukon Gear \u0026 Axle 4340 Chromoly Rear Left Axle 32 Spline 31.25in (REAR): Jeep Wrangler JK 2007-2018 3.6L\/3.8L V6 Rubicon","description":"\u003ch1\u003eYukon Gear \u0026amp; Axle Rear Left Axle\u003c\/h1\u003e\n\u003ch2\u003e2007–2018 Jeep Wrangler JK 3.6L\/3.8L V6 Rubicon\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e YA WD44JKRUB-L-K\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe Yukon Gear \u0026amp; Axle 4340 Chromoly Rear Left Axle is a high-performance replacement axle designed specifically for Jeep Wrangler JK models from 2007 through 2018 equipped with 3.6L or 3.8L V6 engines. Engineered to meet the demanding needs of off-road enthusiasts and daily drivers alike, this axle delivers superior strength and durability to handle increased torque and rugged terrain. Whether you are upgrading for enhanced reliability or replacing a worn factory axle, this Yukon axle offers a dependable solution built to last.\u003c\/p\u003e\n\u003cp\u003eIdeal for Rubicon models, this axle ensures optimal compatibility and performance, maintaining factory fitment while providing the toughness required for extreme off-road conditions. Its 32 spline design and precise 31.25-inch length make it a direct fit for the rear left side, simplifying installation and minimizing downtime.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003eYukon Gear \u0026amp; Axle incorporates advanced manufacturing techniques and premium materials to deliver an axle that stands out in quality and performance. Key features include:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConstructed from high-tensile strength 4340 chromoly steel for exceptional durability\u003c\/li\u003e\n  \u003cli\u003eCold roll formed splines for enhanced spline strength and precise fitment\u003c\/li\u003e\n  \u003cli\u003eAdvanced induction coil heat treating process to increase wear resistance and toughness\u003c\/li\u003e\n  \u003cli\u003e32 spline configuration designed to handle high torque loads\u003c\/li\u003e\n  \u003cli\u003eExact 31.25-inch length for direct replacement without modifications\u003c\/li\u003e\n  \u003cli\u003eEngineered specifically for Jeep Wrangler JK Rubicon 3.6L and 3.8L V6 models\u003c\/li\u003e\n  \u003cli\u003eManufactured to meet or exceed OEM specifications for reliable performance\u003c\/li\u003e\n  \u003cli\u003eIdeal for off-road use, heavy-duty applications, and performance upgrades\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\n\u003cp\u003eThis rear left axle is crafted from premium 4340 chromoly steel, a material known for its superior tensile strength and fatigue resistance. The use of chromoly ensures the axle can withstand the stresses of off-road driving and high torque without bending or breaking. The cold roll forming process used on the splines enhances their strength by aligning the grain structure, resulting in a more durable and wear-resistant spline interface.\u003c\/p\u003e\n\u003cp\u003eAdditionally, the axle undergoes an advanced induction coil heat treating process, which hardens the surface while maintaining a tough core. This treatment improves resistance to abrasion and impact damage, extending the service life of the axle under demanding conditions. The precise engineering and quality control ensure consistent dimensions and fitment, making this axle a reliable upgrade or replacement part.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eThe Yukon 4340 Chromoly Rear Left Axle is designed as a direct bolt-in replacement for the rear left side of Jeep Wrangler JK Rubicon models from 2007 to 2018 with 3.6L or 3.8L V6 engines. Its exact 31.25-inch length and 32 spline count match factory specifications, allowing for straightforward installation without the need for modifications or additional machining.\u003c\/p\u003e\n\u003cp\u003eInstallation should be performed by a qualified technician or experienced enthusiast familiar with axle replacement procedures. Proper torque specifications and alignment checks are recommended to ensure optimal performance and longevity. This axle is compatible with stock and many aftermarket differential setups commonly used in Jeep Wrangler JK applications.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eOne Yukon Gear \u0026amp; Axle 4340 Chromoly Rear Left Axle, 32 spline, 31.25-inch length\u003c\/li\u003e\n  \u003cli\u003eProtective coating to prevent corrosion during storage and shipping\u003c\/li\u003e\n  \u003cli\u003eInstallation instructions and technical support contact information\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cp\u003eThis axle is perfect for Jeep Wrangler JK owners seeking a durable, high-strength rear left axle for their Rubicon equipped with 3.6L or 3.8L V6 engines. It suits off-road enthusiasts who demand reliability in challenging terrain, as well as those upgrading their drivetrain for increased torque capacity. Additionally, it is an excellent choice for anyone needing a direct-fit replacement axle that meets or exceeds OEM standards without compromise.\u003c\/p\u003e","brand":"Yukon Gear \u0026 Axle","offers":[{"title":"Default Title","offer_id":48209051123924,"sku":"YA WD44JKRUB-L-K","price":418.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/f2d01f0f37b63f6968a21995f5ebce7dL.jpg?v=1783234918","url":"https:\/\/fasthemis.com\/products\/yukon-gear-4340-chromoly-axle-for-jeep-rubicon-jk-rear-left-32-spline-31-25in-long-kit","provider":"FastHemis","version":"1.0","type":"link"}