Thermo King Terminal Fuse 12 AWG Battery Terminal Mount 418840
Official OEM Thermo King parts catalog entry for the Thermo King Terminal Fuse 12 AWG 418840, verified by PEAK Thermo King and West Texas Thermo King Texas, Utah, Wyoming, Washington, Oregon, serving all of the USA.
Built for Performance: The Thermo King refrigeration system Terminal Fuse 12 AWG 418840 protects 12 AWG power circuits in transport refrigeration equipment, delivering dependable overcurrent protection where uptime and precise temperature control matter most for refrigerated fleets.
West Texas Thermo King, a certified Thermo King dealership, lists this Thermo King Terminal Fuse as a robust electrical protection solution for battery- and vehicle-mounted circuits on reefers and refrigerated truck systems. The Terminal Fuse enables fast replacement and secure battery-terminal mounting to support continuous temperature control in demanding transport refrigeration operations.
- Secure Battery-Terminal Mount – Provides a compact, serviceable fuse location close to the battery to protect harnesses and starter-power circuits.
- 12 AWG Compatibility – Supports standard 12 AWG wiring used across reefer trailer and refrigerated truck auxiliary systems for reliable current handling.
- OEM-Grade Construction – Engineered to meet Thermo King standards for corrosion resistance and electrical continuity in field service environments.
- Serviceability – Designed for quick fuse access and replacement, minimizing downtime during routine maintenance or roadside service.
- Electrical Protection – Enables precise overcurrent safeguarding to prevent wiring damage, protect temperature-control electronics, and sustain fuel-efficient cooling operation.
Product Details
| Part Number | 418840 |
| Product | Terminal Fuse 12 AWG |
| Wire Gauge | 12 AWG |
| Function | Battery-terminal fuse holder / terminal fuse for vehicle electrical systems |
| Electrical System | 12 V DC vehicle electrical systems |
Efficiency & Sustainability
Proper circuit protection reduces unexpected failures that lead to service calls and cargo risk. The Terminal Fuse 12 AWG 418840 supports long-term operational efficiency by protecting temperature-control electronics and compressors in Thermo King and transport refrigeration setups, contributing indirectly to fuel-efficient cooling and lower fleet emissions when systems remain in reliable service. This aligns with modern Smart Reefer SR-4 and CARB Evergreen objectives for dependable, compliant refrigeration operation.
Installation & Maintenance Tips
Mount the terminal fuse close to the battery terminal to ensure the harness is protected from its source. Use OEM-style ring terminals and torque battery connections per Thermo King specifications. Inspect the fuse and terminal during scheduled maintenance intervals and replace any corroded connectors. Always install the appropriately rated fuse for the protected circuit.
Real-World Applications
The Thermo King Terminal Fuse 12 AWG 418840 serves refrigerated trailers, powered transport refrigeration units, and auxiliary systems where secure, replaceable fuse protection at the battery is required. Fleets in regional hauls, long-distance transport, and Permian Basin operations use this component to maintain consistent temperature control across cold-chain deliveries.
Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
View all Thermo King PartsBacked by Thermo King’s engineering and supported by certified technicians at West Texas Thermo King, this component delivers lasting performance and uptime assurance for fleet operations.
For product verification or service assistance, call (806) 376-5837.
For current warranty eligibility or OEM replacement coverage, please contact us for warranty information or visit contact to confirm coverage.
Frequently Asked Questions
Q: Is the Terminal Fuse 12 AWG 418840 compatible with standard 12 V vehicle electrical systems?
A: Yes. The Terminal Fuse 12 AWG 418840 is designed for use on 12 V DC vehicle electrical systems and protects 12 AWG circuits used in reefer and auxiliary power applications.
Q: Where is this terminal fuse typically mounted?
A: It mounts at or near the battery terminal to ensure the protected harness receives overcurrent protection from the power source.
Q: How does this fuse support fleet uptime?
A: By providing a serviceable, OEM-grade fuse location, the Terminal Fuse 12 AWG 418840 reduces repair time for electrical faults and helps maintain continuous temperature control and reliable transport refrigeration operation.
Ask about fleet-wide parts programs through West Texas Thermo King.
Produced by a certified Thermo King dealership, West Texas Thermo King | a Division of PEAK Industrial. Servicing fleets across Amarillo, Lubbock, and Odessa.
Official OEM Thermo King parts catalog entry for the Thermo King Terminal Fuse 12 AWG 418840, verified by PEAK Thermo King and West Texas Thermo King Texas, Utah, Wyoming, Washington, Oregon, serving all of the USA.
Built for Performance: The Thermo King refrigeration system Terminal Fuse 12 AWG 418840 protects 12 AWG power circuits in transport refrigeration equipment, delivering dependable overcurrent protection where uptime and precise temperature control matter most for refrigerated fleets.
West Texas Thermo King, a certified Thermo King dealership, lists this Thermo King Terminal Fuse as a robust electrical protection solution for battery- and vehicle-mounted circuits on reefers and refrigerated truck systems. The Terminal Fuse enables fast replacement and secure battery-terminal mounting to support continuous temperature control in demanding transport refrigeration operations.
- Secure Battery-Terminal Mount – Provides a compact, serviceable fuse location close to the battery to protect harnesses and starter-power circuits.
- 12 AWG Compatibility – Supports standard 12 AWG wiring used across reefer trailer and refrigerated truck auxiliary systems for reliable current handling.
- OEM-Grade Construction – Engineered to meet Thermo King standards for corrosion resistance and electrical continuity in field service environments.
- Serviceability – Designed for quick fuse access and replacement, minimizing downtime during routine maintenance or roadside service.
- Electrical Protection – Enables precise overcurrent safeguarding to prevent wiring damage, protect temperature-control electronics, and sustain fuel-efficient cooling operation.
Product Details
| Part Number | 418840 |
| Product | Terminal Fuse 12 AWG |
| Wire Gauge | 12 AWG |
| Function | Battery-terminal fuse holder / terminal fuse for vehicle electrical systems |
| Electrical System | 12 V DC vehicle electrical systems |
Efficiency & Sustainability
Proper circuit protection reduces unexpected failures that lead to service calls and cargo risk. The Terminal Fuse 12 AWG 418840 supports long-term operational efficiency by protecting temperature-control electronics and compressors in Thermo King and transport refrigeration setups, contributing indirectly to fuel-efficient cooling and lower fleet emissions when systems remain in reliable service. This aligns with modern Smart Reefer SR-4 and CARB Evergreen objectives for dependable, compliant refrigeration operation.
Installation & Maintenance Tips
Mount the terminal fuse close to the battery terminal to ensure the harness is protected from its source. Use OEM-style ring terminals and torque battery connections per Thermo King specifications. Inspect the fuse and terminal during scheduled maintenance intervals and replace any corroded connectors. Always install the appropriately rated fuse for the protected circuit.
Real-World Applications
The Thermo King Terminal Fuse 12 AWG 418840 serves refrigerated trailers, powered transport refrigeration units, and auxiliary systems where secure, replaceable fuse protection at the battery is required. Fleets in regional hauls, long-distance transport, and Permian Basin operations use this component to maintain consistent temperature control across cold-chain deliveries.
Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
View all Thermo King PartsBacked by Thermo King’s engineering and supported by certified technicians at West Texas Thermo King, this component delivers lasting performance and uptime assurance for fleet operations.
For product verification or service assistance, call (806) 376-5837.
For current warranty eligibility or OEM replacement coverage, please contact us for warranty information or visit contact to confirm coverage.
Frequently Asked Questions
Q: Is the Terminal Fuse 12 AWG 418840 compatible with standard 12 V vehicle electrical systems?
A: Yes. The Terminal Fuse 12 AWG 418840 is designed for use on 12 V DC vehicle electrical systems and protects 12 AWG circuits used in reefer and auxiliary power applications.
Q: Where is this terminal fuse typically mounted?
A: It mounts at or near the battery terminal to ensure the protected harness receives overcurrent protection from the power source.
Q: How does this fuse support fleet uptime?
A: By providing a serviceable, OEM-grade fuse location, the Terminal Fuse 12 AWG 418840 reduces repair time for electrical faults and helps maintain continuous temperature control and reliable transport refrigeration operation.
Ask about fleet-wide parts programs through West Texas Thermo King.
Produced by a certified Thermo King dealership, West Texas Thermo King | a Division of PEAK Industrial. Servicing fleets across Amarillo, Lubbock, and Odessa.
