Replacement temperature probe kit for 800 and 1500 digital charcoal grills. This directreplacement sensor restores accurate temperature sensing for grills that use a dedicated probe connection, helping maintain consistent cooking temperatures and reliable controller feedback. Key benefits Restores accurate temperature readings so cook times and grill controller responses match expected performance. Replaces damaged or worn probes to reduce inconsistent or erratic temperature reports. Designed to match original equipment fit and electrical connection for straightforward replacement and dependable operation. What it does Functions as the grill temperature sensor that reports internal grill temperature to the digital controller. Sold as a replacement kit that matches the original probe dimensions and connector type to ensure compatibility with the grill sensor port. Helps the grill to normal temperature monitoring without requiring changes to the control electronics. Compatibility and part information Compatible with the Masterbuilt MB20040221, MB20041220, MB20041320. Compatible replacement for part number 9904190070. Practical details Intended as a direct replacement probe kit for the listed models and part number. Designed to integrate with the existing sensor port and controller inputs used by these grills. Durable for routine grilling and long lowandslow cooks when installed and used as intended. Use scenarios a broken or frayed probe cable before a long smoking session to avoid unexpected temperature drift. Swap in as a spare probe to maintain continuous monitoring during multiday or extended lowtemperature cooks. Restore consistent temperature feedback after the original probe begins reporting inconsistent values or intermittent connection. Installation and care Fits the original sensor connection for a straightforward replacement process. Follow grill manufacturer guidance for safe installation and proper routing of the probe cable.