9R7699 One New H-Link Fits CAT 428C 438C 426C 436C 416B 416C 428BOne New Aftermarket Replacement H Link Fits Caterpillar (Fits CAT) Backhoe Loaders This aftermarket replacement H Link is a critical component of the backhoe bucket linkage assembly on Fits Caterpillar (Fits CAT) backhoe loaders. The H Link connects the dipper stick to the bucket link assembly, transferring force to control bucket curl and digging action. A worn or cracked H Link causes loose, imprecise bucket control and should be replaced promptly