Different manufacturers can have the exact same part number. Make sure to check your part links to one of our models! Please contact us if you need help.
Holland: BH421SG5 BH421SG4 BH421-SG-4 BH421SS3 BH421-AG4 BH421-SS5 BH421-464 BH421AG7
This part may fit other models. Please contact us if you require additional assistance.
Electrode
SG4-751, HGP147510, HOLLELECT, 4655ELECT