{"product_id":"arb-airlocker-dana44-30spl-3-73-dn-s-n","title":"ARB Airlocker Dana 44 30 Spl 3.73 \u0026 Down Diff (REAR): Fits Dodge \/ Jeep (71-18)","description":"\u003ch3\u003eARB Airlocker Differential\u003c\/h3\u003e\u003cp\u003e1971–1990 Jeep Wagoneer \/ 1974–1987 Dodge Charger \/ 1974–1993 Dodge Ramcharger \/ 1986–1991 Jeep Grand Wagoneer \/ 1988–2017 Jeep Wrangler \/ 1994–2004 Dodge Ram 1500 \/ 1994–1998 Dodge Ram 2500 \/ 2018 Jeep Wrangler JK\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRD117\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe ARB Airlocker is the world’s premier traction aid designed to provide maximum off-road capability and control. This pneumatically operated locking differential allows drivers to instantly lock the axle shafts together at the flick of a switch, delivering 100% traction when you need it most. Ideal for off-road enthusiasts, overlanders, and professionals tackling challenging terrain, the Airlocker enhances vehicle stability and traction without compromising on-road drivability.\u003c\/p\u003e\u003cp\u003eCompatible with a wide range of vehicles including Jeep Wagoneer, Dodge Charger, Ramcharger, Jeep Wrangler, and Dodge Ram models, this Airlocker is engineered for Dana 44 axles with 30 spline shafts and gear ratios of 3.73 and lower. Its robust design supports activation at any speed, allowing confident navigation through mud, rocks, snow, and other demanding conditions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eARB’s Airlocker technology offers reliable and convenient traction control with the following standout features:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInstant pneumatic locking system activated via a simple in-cabin switch\u003c\/li\u003e\n\u003cli\u003eOperates at any vehicle speed for seamless engagement on the move\u003c\/li\u003e\n\u003cli\u003eSteel reinforced, elastomer bonded annular seal designed for extreme temperature resistance\u003c\/li\u003e\n\u003cli\u003eTwo-piece ultra-durable design with minimal moving parts for enhanced reliability\u003c\/li\u003e\n\u003cli\u003ePatented timed locking mechanism ensures high strength and rapid unlocking\u003c\/li\u003e\n\u003cli\u003eProvides 100% traction on demand without affecting driveline wear or on-road handling\u003c\/li\u003e\n\u003cli\u003eCompatible with Dana 44M axles featuring 30 spline shafts and gear ratios of 3.73 and below\u003c\/li\u003e\n\u003cli\u003eEasy installation with included activation switch, solenoid valve, air line, and bulkhead fitting\u003c\/li\u003e\n\u003cli\u003eRequires an external air compressor (sold separately) for operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe ARB Airlocker is engineered with durability and performance in mind. Its two-piece construction minimizes moving parts, reducing potential failure points and ensuring long-lasting reliability even under the harshest off-road conditions. The steel reinforced, elastomer bonded annular seal is specifically designed to withstand extreme climatic temperatures, protecting internal components from contaminants and wear.\u003c\/p\u003e\u003cp\u003eThe internal locking mechanism uses pneumatic pressure to engage and disengage the differential gears, preventing the axle shafts from rotating independently and effectively locking both wheels together. This design maintains maximum traction without compromising the differential’s normal operation when unlocked, preserving drivability and reducing mechanical stress.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe ARB Airlocker RD117 is designed for direct fitment on Dana 44 axles with 30 spline shafts and gear ratios of 3.73 and lower. It fits a broad range of vehicles including Jeep Wagoneer (1971–1990), Dodge Charger (1974–1987), Dodge Ramcharger (1974–1993), Jeep Grand Wagoneer (1986–1991), Jeep Wrangler (1988–2017), Dodge Ram 1500 (1994–2004), Dodge Ram 2500 (1994–1998), and Jeep Wrangler JK (2018).\u003c\/p\u003e\u003cp\u003eInstallation requires an air compressor system (not included) to supply the pneumatic pressure needed for activation. The kit includes all necessary hardware such as the activation switch, solenoid valve, air line, and bulkhead fitting, allowing for a straightforward installation process by experienced technicians or skilled DIYers familiar with differential work.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eARB Airlocker differential unit\u003c\/li\u003e\n\u003cli\u003eActivation switch for in-cabin control\u003c\/li\u003e\n\u003cli\u003eSolenoid valve for pneumatic operation\u003c\/li\u003e\n\u003cli\u003eAir line and bulkhead fitting for air supply connection\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis Airlocker is perfect for off-road enthusiasts, overlanders, and professionals who demand reliable traction in challenging environments. Whether navigating rocky trails, deep mud, snow, or uneven terrain, the ARB Airlocker provides enhanced control and confidence. It is especially suited for vehicles equipped with Dana 44 axles requiring a dependable locking differential that does not compromise everyday drivability.\u003c\/p\u003e","brand":"ARB","offers":[{"title":"Default Title","offer_id":48084150747374,"sku":"RD117","price":1299.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1996\/5678\/files\/c62e6df772163d7a4aefe234137a5676_afd13862-449c-4d8f-aa94-d660507ad799.jpg?v=1780209986","url":"https:\/\/www.ironridgeoffroad.com\/products\/arb-airlocker-dana44-30spl-3-73-dn-s-n","provider":"Iron Ridge Offroad","version":"1.0","type":"link"}