Most popular sizes of viscous fan clutch hex couplings are either 36 mm or 48 mm
This double ended wrench was developed to reduce the cost of purchasing two wrenches, which are needed when performing a variety of fan clutch jobs
When the MST9521 is used with MST6160, most Chrysler, Ford, GM & Land Rover applications can be performed on vehicles that have bolt on water pump pulleys
Return Policy *
30-Day Risk FREE return for refund or replacement
If you are not 100% satisfied with your returnable items,
return the product for a refund.
* Applies to all purchases made on
MatcoTools.com excluding Toolboxes, Tool Carts, Diagnostics,
Welders, Shop Equipment and shipped items weighing more than
150 pounds; Excludes all Gifts and Branded Apparel items
except branded apparel size exchanges for exact items. See
your Authorized Matco Tools distributor for warranty or return
information on purchases made offline.