{"product_id":"usa-standard-ring-pinion-dana-44-5-38-ratio","title":"USA Standard Replacement Ring \u0026 Pinion Gear Set For Dana 44 in a 5.38 Ratio","description":"\u003ch4\u003eUSA Standard Ring and Pinion Gear Set for Dana 44 - 5.38 Ratio\u003c\/h4\u003e\n\u003cp\u003eThe USA Standard ZG D44-538 is a precision-machined replacement ring and pinion gear set engineered specifically for Dana 44 axle housings. The ZG D44-538 delivers a 5.38:1 final drive ratio that is ideal for large-tire off-road builds where low-end torque and crawl capability are essential. Every ZG D44-538 set is manufactured to exceed OEM dimensional tolerances using high-alloy steel with industry-leading heat-treatment processes. All USA Standard ring and pinion sets undergo rigorous in-house quality evaluation covering dimensional accuracy, material hardness, and backlash consistency before leaving the factory. The ZG D44-538 is covered by a Yukon Gear and Axle lifetime limited warranty and qualifies under the Magnuson-Moss Warranty Act.\u003c\/p\u003e\n\n\u003ch4\u003eWhat's Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Ring gear (Dana 44, 5.38 ratio)\u003c\/li\u003e\n\u003cli\u003e1 x Pinion gear\u003c\/li\u003e\n\u003cli\u003eRing gear bolts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eFeatures and Benefits\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e5.38:1 ratio optimized for 35-inch-plus tires on trail rigs\u003c\/li\u003e\n\u003cli\u003eHigh-alloy steel construction for superior strength and durability\u003c\/li\u003e\n\u003cli\u003eAdvanced heat treatment for extended service life\u003c\/li\u003e\n\u003cli\u003eExceeds OEM dimensional specifications for proper meshing\u003c\/li\u003e\n\u003cli\u003eLifetime limited warranty backed by Magnuson-Moss Warranty Act\u003c\/li\u003e\n\u003cli\u003eFits both front and rear Dana 44 applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003eZG D44-538\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAxle Application\u003c\/td\u003e\n\u003ctd\u003eDana 44\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGear Ratio\u003c\/td\u003e\n\u003ctd\u003e5.38:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRing Gear Rotation\u003c\/td\u003e\n\u003ctd\u003eStandard (check application)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eHigh-alloy steel, heat treated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eLifetime limited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e883584201328\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eVehicle Fitment\u003c\/h4\u003e\n\u003cp\u003eThe ZG D44-538 fits Dana 44 differentials found in many Jeep, Ford, Dodge, and Toyota applications including Jeep Wrangler TJ and JK Rubicon (front and rear), Jeep Cherokee XJ with Dana 44 upgrade, Ford Bronco and F-150 with Dana 44, and Dodge Power Wagon. Always confirm your axle housing and spline count before ordering.\u003c\/p\u003e\n\n\u003ch4\u003eWhy Choose ZG D44-538 Over Competitors\u003c\/h4\u003e\n\u003cp\u003eUSA Standard gear sets are manufactured in ISO-certified facilities and carry the same quality standards as the Yukon Gear brand. ZG D44-538 is available at a competitive price point with the same lifetime limited warranty coverage you get from premium aftermarket brands.\u003c\/p\u003e\n\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eDo I need a new install kit with ZG D44-538?\u003c\/strong\u003e Yes. Always use a fresh master overhaul kit when replacing ring and pinion gears to ensure proper preload and backlash settings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs a 5.38 ratio good for street driving?\u003c\/strong\u003e A 5.38 ratio is primarily a trail\/off-road ratio. It is not recommended for frequent highway use without regearing both axles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoes ZG D44-538 fit reverse-cut Dana 44 applications?\u003c\/strong\u003e The standard ZG D44-538 is for standard-rotation applications. Confirm your housing before ordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat tire size is ZG D44-538 designed for?\u003c\/strong\u003e The 5.38 ratio pairs well with 35-inch to 40-inch tires to maintain factory RPM range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoes this include a carrier?\u003c\/strong\u003e No. ZG D44-538 is a ring and pinion set only. Your existing carrier may need to be swapped depending on ratio change.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs professional installation required?\u003c\/strong\u003e Setting gear mesh patterns requires experience and specialized tools. Professional installation is strongly recommended.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the warranty on ZG D44-538?\u003c\/strong\u003e The ZG D44-538 carries a lifetime limited warranty from Yukon Gear and Axle under the Magnuson-Moss Warranty Act.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan this be used with a locker?\u003c\/strong\u003e Yes. ZG D44-538 is compatible with most Yukon and aftermarket lockers designed for Dana 44.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch4\u003eInstallation Instructions\u003c\/h4\u003e\n\u003cp\u003eInstallation of ZG D44-538 requires disassembling the axle housing, removing the old ring and pinion, setting pinion depth and preload with shimming, and adjusting backlash to 0.008-0.012 inches. A gear marking compound should be used to verify proper tooth contact pattern. Refer to a qualified drivetrain specialist for installation.\u003c\/p\u003e\n\n\u003ch4\u003eProp 65 Notice\u003c\/h4\u003e\n\u003cp\u003eThis product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.\u003c\/p\u003e","brand":"Yukon Gear \u0026 Axle","offers":[{"title":"Default Title","offer_id":45974398042191,"sku":"YUKZG D44-538","price":248.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/Dana_44_Ring_Pinion_5.38_Ratio.jpg?v=1782658101","url":"https:\/\/www.blackopsautoworks.com\/products\/usa-standard-ring-pinion-dana-44-5-38-ratio","provider":"Black Ops Auto Works","version":"1.0","type":"link"}