3.21 Axle Ratio
(The axle ratio of a Dodge Ram 1500 can be found by looking at the certification label
located on the driver's door jamb or you can also find the ratio on your axle)
OEM Part Number
68257420AG, 68139992AA, 68257420AB
68257420AE, 68191738AA, 68257420AA
68257420AD, 68257420AC, 68257420AF
Fit For the Following Models
215mm Front Axle, 3.21 Rear Axle Ratio
2014-2018 RAM 1500 3.0L Turbo V6 Diesel 4X4
2013-2018 RAM 1500 3.6L V6 4X4
2013 RAM 1500 4.7L V8 4X4
2013-2018 RAM 1500 5.7L Hemi V8 4X4
2019 Ram 1500 Classic 3.0L V6 Diesel
2019-2021 Ram 1500 Classic 3.6L V6 - Flex
2019-2021 Ram 1500 Classic 5.7L V8 - Gas
2021 Ram 1500 Classic Express, SLT, Tradesman, Warlock 3.6L V6 - Flex, 5.7L V8 - Gas
2021 Ram 1500 Classic Express, SLT, Tradesman, Warlock 3.6L V6 - Flex, 5.7L V8 - Gas
2020 Ram 1500 Classic Express, SLT, Special Service, Tradesman, Warlock 3.6L V6 - Flex, 5.7L V8 - Gas
2019 Ram 1500 Classic Big Horn, Express, Laramie, Lone Star, SLT, Special Service, Tradesman, Warlock 3.0L V6 - Diesel, 3.6L V6 - Flex, 5.7L V8 - Gas
2018 Ram 1500 Big Horn, Express, Laramie, Laramie Longhorn, Limited, Lone Star, Rebel, SLT, Special Service, Sport, Tradesman 3.0L V6 - Diesel, 3.6L V6 - Flex, 5.7L V8 - Gas
2017 Ram 1500 Big Horn, Express, Laramie, Laramie Longhorn, Limited, Lone Star, Rebel, SLT, Special Service, Sport, Tradesman 3.0L V6 - Diesel, 3.6L V6 - Flex, 5.7L V8 - Gas
2016 Ram 1500 Big Horn, Express, Laramie, Laramie Longhorn, Limited, Lone Star, Outdoorsman, Rebel, SLT, Special Service, Sport, Tradesman 3.0L V6 - Diesel, 3.6L V6 - Flex, 5.7L V8 - Gas
2015 Ram 1500 Big Horn, Express, Laramie, Laramie Limited, Laramie Longhorn, Limited, Lone Star, Outdoorsman, Rebel, SLT, Special Service, Sport, Tradesman 3.0L V6 - Diesel, 3.6L V6 - Flex, 5.7L V8 - Gas
2014 Ram 1500 Big Horn, Express, Laramie, Laramie Limited, Laramie Longhorn, Lone Star, Outdoorsman, SLT, Special Service, Sport, Tradesman 3.0L V6 - Diesel, 3.6L V6 - Flex, 5.7L V8 - Gas
2013 Ram 1500 Big Horn, Express, Laramie, Laramie Longhorn, Outdoorsman, SLT, Sport, Tradesman 3.6L V6 - Flex, 4.7L V8 - Flex, 5.7L V8 - Gas