139-3616 – Toro Extension Spring (Genuine Toro OEM Part) Stihl KM94 R and carbon buildup

and carbon buildup

Route the belt according to the factory belt diagram

or missing spacers

This OEM fuel module is commonly used on select Briggs & Stratton engines found in:

Mowers using blades measuring 18-5/8″ with a 3/8″ center mount

139-3616 – Toro Extension Spring (Genuine Toro OEM Part) Stihl KM94 R and carbon buildup139 3616 Toro Extension Spring (Genuine Toro OEM Part) The Toro 139 3616 is a genuine OEM extension spring, designed to provide consistent tension and reliable return force in compatible Toro lawn and turf equipment. This spring is commonly used in belt tensioning systems, idler assemblies, and control linkage applications, where precise spring force is essential for proper operation and component alignment. Manufactured to Toro original equipment