Fluids & Additives

Genuine Dana Spicer differential fluids and friction modifier additives for Trac-Lok limited slip applications. The Dana Spicer friction modifier is required when servicing or rebuilding any Dana Trac-Lok carrier. Compatible with Dana 35, Dana 44, Dana 60, Dana 70, and Dana 80 Trac-Lok rear axle carriers. Made in the United States.

How to find the right part

  • Match the part number. The surest fit is the Spicer part number stamped on or listed for your old part. Search it in the store search bar.
  • Know your axle. Check the axle tag or build sheet to confirm your Dana axle model and whether it is front or rear.
  • Check the fitment on each listing. Each product page lists the part number and known applications. Compare these before you order.
  • Not sure? Email sales@platinumperformanceparts.com with your vehicle year, model and axle before you order.

Orders usually ship within 1–2 business days. Unused parts in original packaging can be returned within 30 days. Email us first to start a return.