Oregon 16" 21LPX066G 4PK Chain .325" .058" 66 DL for 25RS366E, H21-66

4 PACK

Specifications:

Fits Echo

CS-450, CS-450P, CS-490, CS-500P, CS-530, CS-550P

Fits Husqvarna 

133, 140, 1400, 140S, 154, 1600, 234, 238, 240, 242, 242XP, 246, 254, 254XP, 257, 261, 262, 262XP, 33, 336, 338XPT, 339XP, 340, 340E, 340SE, 340SG, 345, 346, 346XP, 346XP E-TECH, 346XPG, 350, 351, 353, 353E-TECH, 353G E-TECH, 355, 357, 357XP, 357XPG, 359, 359E-TECH, 360, 362, 362 XP, 38, 40, 42, 435, 435E, 44, 440, 440E, 444, 445, 445E, 45, 450, 450 50th Anniversary, 450E, 455, 455 RANCHER, 455E RANCHER, 460, 460 RANCHER, 466, 49, 50, 51, 543XP, 543XPG, 545, 545 MARK II, 55, 55 RANCHER, 550XP, 550XP MARK II, 550XPG, 550XPG MARK II, 555, 560XP, 560XPG, 57

Replaces Husqvarna

501 84 04-66, 501 84 07-66, 591101266, H21-66

Replaces Stihl

25RS366E

Replaces TriLink 

CL75866TL2