{"product_id":"arb-airlocker-dana30-27spl-3-73-up-s-n","title":"ARB 27 Spline Air Locker Diff Pneumatic: Fits Jeep 1993-2026 Dana 30 3.73+","description":"\u003ch1\u003eARB Air Locker Differential\u003c\/h1\u003e\n\u003ch2\u003e1993–2004 Jeep Grand Cherokee, 1997–2026 Jeep Wrangler\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e RD100\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe ARB Airlocker Differential is a premium pneumatic locking differential designed to deliver instant, 100% traction on demand. Engineered specifically for Dana 30 axles with 27 splines and gear ratios of 3.73 and higher, this differential significantly enhances off-road capability by ensuring both wheels turn together, maximizing grip in low-traction conditions. It is an ideal upgrade for Jeep owners who demand superior control and traction, especially for models including the Jeep Grand Cherokee (1993–2004) and Jeep Wrangler (1997–2026).\u003c\/p\u003e\n\u003cp\u003eWith the ability to engage the locker at any speed without causing driveline wear, the ARB Airlocker offers a reliable and durable solution for serious off-road enthusiasts. Whether tackling rocky trails, mud, sand, or steep inclines, this differential provides consistent performance and improved vehicle handling in challenging environments.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003eThe ARB Airlocker combines advanced engineering with robust construction to deliver exceptional off-road performance. Key features include:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInstant pneumatic engagement for 100% traction on demand\u003c\/li\u003e\n  \u003cli\u003eCompatible with Dana 30 axles featuring 27 splines and gear ratios of 3.73 and higher\u003c\/li\u003e\n  \u003cli\u003eDesigned for Jeep Grand Cherokee (1993–2004) and Jeep Wrangler (1997–2026) models\u003c\/li\u003e\n  \u003cli\u003eAllows activation at any vehicle speed without driveline damage\u003c\/li\u003e\n  \u003cli\u003eEnsures both wheels turn together for maximum grip in low-traction conditions\u003c\/li\u003e\n  \u003cli\u003eDurable construction built to withstand harsh off-road environments\u003c\/li\u003e\n  \u003cli\u003eImproves vehicle control and stability on uneven terrain\u003c\/li\u003e\n  \u003cli\u003eSimple pneumatic actuation system for reliable operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\n\u003cp\u003eThe ARB Airlocker is engineered with precision and durability in mind. Its core design centers on a robust 27-spline Dana 30 differential housing optimized for gear ratios starting at 3.73. The internal locking mechanism is pneumatically actuated, allowing smooth and reliable engagement without the mechanical wear associated with traditional locking differentials.\u003c\/p\u003e\n\u003cp\u003eManufactured using high-strength materials and advanced machining techniques, the Airlocker is built to endure the rigors of off-road driving. Its sealed design protects internal components from dirt, water, and debris, ensuring long-lasting performance and minimal maintenance requirements.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eThe ARB Airlocker is designed as a direct replacement for factory Dana 30 differentials on compatible Jeep models. Installation requires professional mechanical expertise and involves removing the existing differential carrier and installing the Airlocker unit along with the pneumatic actuator system. No major modifications to the axle housing are necessary, preserving the vehicle’s structural integrity.\u003c\/p\u003e\n\u003cp\u003eThis product fits the following vehicles:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eJeep Grand Cherokee 1993–1998\u003c\/li\u003e\n  \u003cli\u003eJeep Grand Cherokee 1999–2004\u003c\/li\u003e\n  \u003cli\u003eJeep Wrangler 1997–2006\u003c\/li\u003e\n  \u003cli\u003eJeep Wrangler 2007–2018\u003c\/li\u003e\n  \u003cli\u003eJeep Wrangler 2018–2026\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eARB Airlocker differential carrier assembly\u003c\/li\u003e\n  \u003cli\u003ePneumatic actuator and air line fittings\u003c\/li\u003e\n  \u003cli\u003eInstallation hardware and seals\u003c\/li\u003e\n  \u003cli\u003eDetailed installation instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cp\u003eThe ARB Airlocker is perfect for off-road enthusiasts, trail riders, and Jeep owners seeking enhanced traction and control in challenging environments. It is especially suited for those who frequently encounter mud, rocks, sand, or steep inclines where maximum wheel grip is essential. This differential upgrade also benefits drivers who want the flexibility to engage or disengage locking on demand without compromising driveline longevity.\u003c\/p\u003e","brand":"ARB","offers":[{"title":"Default Title","offer_id":48092831678702,"sku":"RD100","price":1299.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1996\/5678\/files\/74e96d2e50af746f808e69fc371db252_3c67265f-f4a8-4e79-ad08-5b0325d655aa.jpg?v=1780363835","url":"https:\/\/www.ironridgeoffroad.com\/products\/arb-airlocker-dana30-27spl-3-73-up-s-n","provider":"Iron Ridge Offroad","version":"1.0","type":"link"}