Zebra 105934-037 203dpi Thermal Printhead for GK420D GX420D ZP450 ZP550

Genuine replacement thermal printhead, Part No. 105934-037, designed for Zebra GK420D, GX420D, ZP450 and ZP550 printers. 203dpi resolution delivers clear, high-quality direct thermal output for reliable label and receipt printing. Important compatibility note: this printhead is intended for GK420d and GX420d direct thermal models only; it is not compatible with GK420t or GX420t thermal-transfer units. To confirm fit, use Ctrl+F on this page and search your printer’s part number. Technical support is available — contact us anytime and we will respond within 24 hours.