Oregon 191-139 Blade 21-3/8" Part Type_Shock & Noise Suppression Briggs & Stratton 690520 Valve

Briggs & Stratton 690520 Valve Spring

Replaces 691451

Briggs & Stratton 4104 5-Pack Of 270579S Air Filter Foam Element

Briggs & Stratton 690968 Valve Seal

Replaces 66694

Oregon 191-139 Blade 21-3/8" Part Type_Shock & Noise Suppression Briggs & Stratton 690520 ValveOregon 100 Series Blades offers Ultra X tended Cutting Length, which means that each blade delivers its maximum mulching capability per rotation. Add that with our double bevel technology and the overall blade noise is reduced by up to 1. 5 decibels. The 197 019 blade is made from Boron Steel that allows for the perfect balance between durability and ductility.