4 Genuine Oregon 18720 Power Mate Rim Sprocket 3/8-7 Tooth Small 7 Spline

I added a picture. This small a Penney fits well. Standard is a Nickel. 

Fits Stihl, Husqvarna, Homelite, Craftsman, Echo and more

Rims provide smoother cutting and less chain wear than spur sprockets.

Product Details

Pitch: 3/8", Size: Standard 7 Spline, Tooth Count: 7

Radial port design uses centrifugal force to hrow off sawdust and debris

Wear-depth indicators show when it's time to replace

For best performance, replace every two chain loops

For use on saws with 3/8" Pitch, 7-Spline; Dolmar, Echo, Husqvarna, John Deere, Conserved, Makita, Partner, Redmax, Sears, Stihl

Fits:

Stihl - 028, 028 Super, 029, 034, 034 SUPER, 036, 036 PRO, 039, MS 290, MS 310, MS 311, MS 360, MS 360 C, MS 360 Pro, MS 360 QS, MS 390, MS 391

Husqvarna - 154, 254, 254XP, 257, 262, 262XP, 455, 455 RANCHER, 460, 460 RANCHER, 50, 51, 55, 55 RANCHER, 555, 562XP, 562XPG

Homelite - 240CC, 240SL

John Deere - 45, 45EV, 50V, 55EV, 55V, 7600, CS40LE, GREEN MACHINE

Dolmar - 109, 110, 110IH, 111, 115, 115I, 115IH, PS-5105, PS-5105H

Echo - CS-280, CS-290, CS-300EVL, CS-301, CS-302, CS-315, CS-330, CS-351, CS-351VL, CS-360, CS-3600, CS-360EVL, CS-3900, CS-400EVL, CS-440, CS-440EVL, CS-451, CS-452, CS-500EVL, CS-510, CS-5100, CS-510EVL, CS-550, CS-610, CS-610T

Sears - 35826, 35829

Jonsered - 2051, 2054, 2055, 2063, 45, 450, 451, 455, 49, 50, 51, 510, 52, 520, 520SP, 521, 525, 535, 540

Makita - DCS430, DCS4300, DCS5200I, DCS520I, EA6100P53G, EA6100PREG, EA6101P53G

Maruyama - MCV51R

We at M & M Products are a stocking distributor for Briggs and Stratton, Kohler, Toro dealer. We don't only sell their OEM parts we also use them on our equipment repairs and rebuilds. If there is something you need and don’t see it on one of our auctions, please email us through eBay and I can get it and create an auction for that item.