A brand new professional-grade LiftMaster 8500 or 8500W jackshaft garage door opener kit typically retails between $350 and $500, depending on whether it is purchased as a standalone unit or bundled with an automatic garage door lock, wireless keypads, and professional installation accessories. Because LiftMaster products are distributed primarily through authorized professional dealers and garage door technicians, pricing varies compared to standard retail consumer brands found in big-box stores. Verification: Check authorized local dealer catalogs or online distributor pricing pages to compare active hardware package costs.
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