Briggs & Stratton 84003172 Arbor Assembly NetSuite-ID_497548 The 27RX is a super-skip

The 27RX is a super-skip sequence to allow greater chip clearance when making extra wide cuts

outer-diameter: 3/8"

Replaces the 954-04138A model

Hub plastic gear

This starter motor has a steel pinion gear for steel ring gears and replaces Briggs & Stratton

Briggs & Stratton 84003172 Arbor Assembly NetSuite-ID_497548 The 27RX is a super-skipGenuine Briggs & Stratton part. Only Briggs & Stratton genuine parts are specially designed to exact OEM standards, manufactured and tested to help deliver optimum performance in Briggs & Stratton engines and equipment. There are no substitutes when it comes to keeping engine powered equipment healthy and to maximize engine life. Always use genuine parts from Briggs & Stratton. Many parts look similar, so its crucial to ensure youre choosing the right