10 0 2021 Meritor-Rockwell MD2014XR279 Cutoff for a Peterbilt FLEX AIR $6,000 USD CUT OFF DOES NOT INCLUDE DIFFERENTIALS IT HAD 2.79 RATIOS IN IT, 186922-821 2021 PETERBILT 579 FLEX AIR LOW AIRLEAF /KW AG380 40K SUSPENSION/B 3121M1729 DISC BRAKES ConditionUsedRear End2.79 ratioFits To Make(s)PETERBILTFits To Model(s)FLEX AIRCapacity40 KStock Number2502079 MLS Number13464517CategoryCutoffs Last Updated6/2/2025 LocationSpokane Valley, WA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info