Description
Snap-on ST0023778 Round Plastic Disc for Bead Breaker Assist Arm
This round plastic disc mounts to the side helper (bead breaker assist) arm on Snap-on, John Bean, and Hofmann tire changers. The disc lifts and presses down on the tire during mounting and demounting. When the disc cracks or wears down, the helper arm cannot properly seat or unseat beads. Verify your machine model before ordering.
Product Information
- Brand / Equipment: Snap-on / John Bean / Hofmann
- Manufacturer / Reference Part Number: ST0023778
- Store SKU: SNN3778
- Component: Round plastic disc for side bead breaker assist arm
- Listed Application: Snap-on and John Bean – EEWH302A, EEWH303A, EEWH304A, EEWH305A, EEWH315A, EEWH317A, MH 310, MH320PRO, EEWH326, EHP System II, EHP System III, EHP System IV, EHP System V; Hofmann Monty 3300, 3550, S410
Replacement / Cross-Reference Numbers
- Replaces Snap-on JBC ST0023778, EAC0078G23A
Fitment and Ordering Notes
Verify your tire changer model is listed above before ordering. For fitment help call 866-902-6060.

