Small Engine Parts
Oregon J78 Chain 21BPX078G
Find information about Oregon J78 chain loop and order online below. Also identified
as 21BPX078G chainsaw chain.
Part description: Oregon J78 chain loop  

78 drive links  

21 Low kickback micro chain  

.325" pitch  

.058" gauge  

Standard micro chisel  

Use 3/16" diameter sharpening file  
Small Engine Parts                                                          Parts Lookup                                                         Oregon Bars and Chain
ECHO 20" chain for:  
CS-450, CS-500P, CS-530 and CS-550P  

Husqvarna 20" chain for:  
33, 38, 40, 42, 44, 45, 49, 50, 51, 57, 133, 140S, 154, 234, 238, 240, 242, 242XP, 246, 254, 257, 340, 346, 346XP,
346XPG, 350, 351, 353, 357XP, 357XPG, 359, 360, 435, 440, 440E, 444, 445, 445E, 450, 450E, 455 Rancher, 460,
545, 550XP, 550XPG and 555  

Jonsered 20" chain for:  
45, 49, 50, 51, 52, 370, 410, 420, 425, 435, 450, 451, 455, 510, 521, 535, 2050, 2054, 2139 Turbo, 2150, CS 2240 and
CS 2240S  
Oregon J78 Chain