Description
This is a replacement sprocket for chainsaws, specifically the ECHO CS400, CS440, 3900, CS4100, 3600, 4510, CS4200, CS4400, CS4100, CS3700, CS4500, CS510, CS520, and CS530 models, as well as the JOHN DEERE 45, 46, and 450. It has a pitch of .325", an ID of 2.750", 7 teeth, and a 10mm crank diameter. It replaces OEM parts from ECHO, GB, and Oregon.
Replaces OEM: GB EC206J7N, ECHO 17510514630, ECHO A556000021, ECHO A556000020
Fits Models: ECHO CS400, CS440, 3900, CS4100, 3600, 4510, CS4200, CS4400, CS4100, CS3700, CS4500, CS510, CS520 and CS 530, JOHN DEERE 45, 46 AND 450
Specifications: Pitch: .325", ID: 2.750 ", Teeth: 7, Crank Diameter: 10mm, Bearing included.
Replaces OEM Part Number(s): Echo: 17510514630, 17511412530, A556000020, A556000021 | GB: EC206-J7N | Oregon: 513-444
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