3 0 Dana-Spicer D40-170 Front Differential for a 2007 Peterbilt 379 Contact for price Spicer D46170 front rear differential for sale ratio: 3.91 Call for more information. We ship everywhere., Ratio: 3.91 ConditionUsedRear End3.91 ratioFits To Make(s)PeterbiltFits To Model(s)379Will Fit Year(s)2007Stock NumberPT-0904-2 MLS Number14053214CategoryDifferentials, Front Last Updated12/20/2025 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info