2-Pack OEM Ryobi Bar Nut 678339003 RY5020 RY40502 RY40503 RY3714 RY3716

Pack of two new Ryobi 678339003 replacement bar nuts. Used on the following Ryobi & Homelite chainsaw models:

GM10514 14" 35cc Chain Saw

GM10516 16" 38cc Chain Saw

GM10518 18" 42cc Chain Saw

RY10519 46cc Chain Saw

RY10519A 46cc Chain Saw

RY10519B 46cc Chain Saw

RY10519B 46cc Chain Saw

RY10521 46cc Chain Saw

RY10521A 46cc Chain Saw

RY10521B 46cc Chain Saw

RY10521B 46cc Chain Saw

RY3714 37cc Chain Saw

RY3716 37cc Chain Saw

RY40502 40 Volt Chain Saw

RY40503 40 Volt Chain Saw

RY5020 50cc Chain Saw

UT10548 14 in. 35cc Chain Saw

UT10568 16 in. 38cc Chain Saw

UT10588 18 in. 42cc Chain Saw

UT10640 14 in. 42cc Chain Saw

UT10640A 42cc Chain Saw

UT10660 16 in. 42cc Chain Saw

UT10660A 42cc Chain Saw

UT10680 18 in. 42cc Chain Saw

UT10680A 42cc Chain Saw