This is a high-quality Archer replacement spur sprocket. This is a 6-tooth 3/8"LP pitch sprocket and it comes with a needle bearing. The sprocket fits the following chainsaw models: Husqvarna 36, 41, 136,137, 141, 142 Jonsered 2035,2036, 2040, 2137, 2138 Poulan Pro: 255 295 2500 2600 P600. Partner 365 405
Replaces OEM number 530 04 70-61 and Oregon number 41569X and Rotary 36-1603