Podoy TS420 Primer Bulb for Stihl TS410 BR350 BR430 BR450 SR430 SR450 Cut Off Saw 4238 350 6201(Pack of 5) Fit for STIHL TS410 TS410Z TS420 TS420Z BR350 BR430 BR450 SR430 SR450 Replace OEM: 4238 350 6201 Package include: 5pcs primer bulb Non original aftermarket part