{"product_id":"air-locker-differential-dana-70-80","title":"Air Locker Differential Dana 70\/80, 32 SPL, LOW SPEED","description":"\u003cdiv id=\"isPasted\" style=\"box-sizing: inherit; color: rgb(44, 62, 80); font-family: Superscripts-Roboto, Roboto, 'Noto Sans TC', 'Noto Sans SC', 'Noto Sans JP', 'Noto Sans KR', Prompt, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003e\n\u003ch3\u003eLocking Traction for Your Workhorse Dana 70.\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/D-3u0clyVfM?si=C131EKDydk5rP6x7\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp data-path-to-node=\"6\"\u003eWhether you are driving a 7.3L Powerstroke Ford F-350, a 5.9L Cummins Ram, or a big-block Chevy 3500, your truck was built to work. However, the factory open or limited-slip differential in your rear Dana 70 often lets you down when traction gets scarce. The ARB RD173 Air Locker is the ultimate traction solution for these classic heavy-duty platforms, giving you the ability to lock your rear axle on demand.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003eAt Overland Truck Store, we recommend this locker for older 1-ton trucks that see mixed use. Unlike automatic lockers that can be harsh on the street or dangerous while towing heavy loads, the ARB Air Locker operates as a standard open differential during normal driving. This preserves your tire life and maintains factory handling characteristics. When you need to pull a heavy trailer out of a muddy field or climb a steep grade, simply flip the switch to instantly lock your 35-spline axle shafts together for 100% traction.\u003c\/p\u003e\n\u003cp data-path-to-node=\"8\"\u003eThis locker features a robust two-piece case and forged internal gears, designed to handle the torque of big-block gas and diesel engines found in Ford, Dodge, and GM trucks from the 90s and 2000s.\u003c\/p\u003e\n\u003cp data-path-to-node=\"9\"\u003e\u003cb\u003eFeatures \u0026amp; Specs:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"10\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,0,0\"\u003e\u003cb\u003eApplication:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"10,0,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,0,1,0,0\"\u003e\u003cb\u003eFord:\u003c\/b\u003e F-350 Super Duty (1999-2016), F-350 OBS (1993-1997), E-350 Vans (1992-2010).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,0,1,1,0\"\u003e\u003cb\u003eDodge:\u003c\/b\u003e Ram 2500 \u0026amp; 3500 (1994-2002).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,0,1,2,0\"\u003e\u003cb\u003eGM:\u003c\/b\u003e Chevy\/GMC C3500 \u0026amp; K3500 (1992-2000), G-Series Vans.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,1,0\"\u003e\u003cb\u003eAxle Fitment:\u003c\/b\u003e \u003cb\u003eDana 70\u003c\/b\u003e Rear Axle.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,2,0\"\u003e\u003cb\u003eSpline Count:\u003c\/b\u003e Fits \u003cb\u003e35 Spline\u003c\/b\u003e axle shafts.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,3,0\"\u003e\u003cb\u003eGear Ratio:\u003c\/b\u003e Designed for \u003cb\u003e4.10 \u0026amp; Down\u003c\/b\u003e (numerically lower) ratios (e.g., 3.54, 3.73, 4.10).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,4,0\"\u003e\u003cb\u003eOperation:\u003c\/b\u003e Pneumatic locking mechanism (Requires on-board air compressor).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,5,0\"\u003e\u003cb\u003ePerformance:\u003c\/b\u003e Provides full spool-like traction when locked, open diff smoothness when unlocked.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"11\"\u003e\u003cb\u003eInstaller Note:\u003c\/b\u003e This unit is for \u003cb\u003e35-spline\u003c\/b\u003e axles with gear ratios of \u003cb\u003e4.10 and numerically lower\u003c\/b\u003e. Many of the trucks listed (especially Ford F-350s and Dodge 3500s) may have come with \u003cb\u003eDana 80\u003c\/b\u003e rear axles or different spline counts depending on the year and trim (DRW vs SRW). You \u003cb\u003emust\u003c\/b\u003e identify your axle tag and verify spline count before ordering to ensure this RD173 is the correct part for your specific build.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"ARB","offers":[{"title":"Default Title","offer_id":42594012561451,"sku":"RD173","price":1499.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0565\/2463\/6203\/files\/AirLockerDifferentialDana7080_32SPL_LOWSPEED_5.webp?v=1766435382","url":"https:\/\/overlandtruckstore.myshopify.com\/products\/air-locker-differential-dana-70-80","provider":"Overland Truck Store","version":"1.0","type":"link"}