Replace OEM: 4237 640 6800

Fits:HS81 HS81R HS81T HS86  

Will only fit model types T, T-Z, TC-E

FH75, FH-KM, HL-KM, HL100, HL100K, HL45, HL75, HL75K, 

HL90K, HL95, HLE71, HLE71K  

2) Drive Pinion

Fits: Stihl HS 81 R RC T TC 86 R 86 T Hedge Trimmer

Replace OEM: 4237 642 0400

3) Spur Gear

Fits: Stihl HS 81 R RC T TC 86 R 86 T Hedge Trimmer

Replace OEM: 4237 640 7500

NOTE! 

These connecting rod will not fit machines with 0, 30 or 90 degree angle machines