Thermo King Stainless Steel Split Lock Washer .255 ID 557112
Official OEM Thermo King parts catalog entry for the Washer-Split .255ID SS 557112, 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 Washer-Split .255ID SS 557112 delivers OEM-grade fastening security for Thermo King refrigeration systems. This stainless steel split lock washer ensures reliable fastening under vibration and thermal cycling, supporting uptime for reefers and transport refrigeration assets.
West Texas Thermo King, a certified Thermo King dealership, lists this washer as a durable, corrosion-resistant fastening solution specified for temperature control equipment used across fleets in the Permian Basin and broader West Texas markets.
- Stainless Steel Construction – Provides corrosion resistance for long-term service in moist and refrigerated environments.
- Split Lock Design – Maintains clamping force and prevents loosening under vibration for secure mechanical connections.
- OEM Part Number 557112 – Matches Thermo King service specifications for reliable replacement and fitment.
- Precision Inner Diameter – 0.255 inch ID aligns with corresponding fastener sizes used in Thermo King assemblies.
- Durability – Supports consistent performance through temperature cycles found in reefer trailer and refrigerated truck operations.
- Low Maintenance – Reduces rework and downtime when installed during scheduled service intervals.
Product Details
| Part Number | 557112 |
| Product Name | Washer-Split .255ID SS |
| Material | Stainless Steel |
| Inner Diameter (ID) | 0.255 inch |
| Type | Split Lock Washer |
| Compatibility | Thermo King refrigeration and transport refrigeration hardware |
This washer supports mechanical integrity on Thermo King refrigeration unit assemblies and mounting points where vibration resistance and corrosion protection matter for fuel-efficient cooling solutions and consistent temperature control.
Efficiency & Sustainability
By preserving clamp force and preventing fastener loosening, this stainless steel split washer contributes to consistent system sealing and efficient cooling operation. Reliable fastenings reduce unscheduled service events, supporting fleet uptime for Smart Reefer SR-4 and other Thermo King units while contributing to overall operational efficiency.
Installation & Maintenance Tips
Install the Washer-Split .255ID SS 557112 with appropriately sized bolts or studs and OEM-specified torque values. Inspect washers during scheduled preventive maintenance and replace any fasteners that show wear. Use OEM clamps and hardware to maintain secure fitment and minimize vibration-related loosening.
Real-World Applications
This split lock washer serves as standard fastening hardware for reefer trailers, refrigerated truck mounting brackets, compressor assemblies, and refrigeration unit mounts. Fleets operating refrigerated trailers in Amarillo, Lubbock, Odessa, and across West Texas rely on OEM-grade fasteners like this washer to protect temperature-critical loads and reduce downtime.
Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
Backed by Thermo King’s engineering and supported by certified technicians at West Texas Thermo King, this component delivers lasting reliability and uptime assurance for fleet operations.
For product verification or service assistance, call (806) 376-5837.
For current warranty eligibility or OEM replacement coverage, contact us for warranty information: https://www.trailerservicesofwesttexas.com/contact or contact the service department for confirmation.
Frequently Asked Questions
Q: Is the Washer-Split .255ID SS 557112 compatible with Thermo King refrigeration units?
A: Yes, this stainless steel split lock washer is specified as OEM fastener hardware for Thermo King refrigeration and transport refrigeration assemblies, supporting secure mounting in temperature-control systems.
Q: What fastener size pairs with this washer?
A: The washer’s inner diameter measures 0.255 inch and pairs with corresponding fastener diameters commonly used in Thermo King mounting hardware; confirm bolt size during installation.
Q: How does this washer improve fleet reliability?
A: The split lock design maintains clamp force under vibration and thermal cycles, reducing fastener loosening and minimizing unscheduled service events for reefer trailers and refrigerated trucks.
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 Washer-Split .255ID SS 557112, 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 Washer-Split .255ID SS 557112 delivers OEM-grade fastening security for Thermo King refrigeration systems. This stainless steel split lock washer ensures reliable fastening under vibration and thermal cycling, supporting uptime for reefers and transport refrigeration assets.
West Texas Thermo King, a certified Thermo King dealership, lists this washer as a durable, corrosion-resistant fastening solution specified for temperature control equipment used across fleets in the Permian Basin and broader West Texas markets.
- Stainless Steel Construction – Provides corrosion resistance for long-term service in moist and refrigerated environments.
- Split Lock Design – Maintains clamping force and prevents loosening under vibration for secure mechanical connections.
- OEM Part Number 557112 – Matches Thermo King service specifications for reliable replacement and fitment.
- Precision Inner Diameter – 0.255 inch ID aligns with corresponding fastener sizes used in Thermo King assemblies.
- Durability – Supports consistent performance through temperature cycles found in reefer trailer and refrigerated truck operations.
- Low Maintenance – Reduces rework and downtime when installed during scheduled service intervals.
Product Details
| Part Number | 557112 |
| Product Name | Washer-Split .255ID SS |
| Material | Stainless Steel |
| Inner Diameter (ID) | 0.255 inch |
| Type | Split Lock Washer |
| Compatibility | Thermo King refrigeration and transport refrigeration hardware |
This washer supports mechanical integrity on Thermo King refrigeration unit assemblies and mounting points where vibration resistance and corrosion protection matter for fuel-efficient cooling solutions and consistent temperature control.
Efficiency & Sustainability
By preserving clamp force and preventing fastener loosening, this stainless steel split washer contributes to consistent system sealing and efficient cooling operation. Reliable fastenings reduce unscheduled service events, supporting fleet uptime for Smart Reefer SR-4 and other Thermo King units while contributing to overall operational efficiency.
Installation & Maintenance Tips
Install the Washer-Split .255ID SS 557112 with appropriately sized bolts or studs and OEM-specified torque values. Inspect washers during scheduled preventive maintenance and replace any fasteners that show wear. Use OEM clamps and hardware to maintain secure fitment and minimize vibration-related loosening.
Real-World Applications
This split lock washer serves as standard fastening hardware for reefer trailers, refrigerated truck mounting brackets, compressor assemblies, and refrigeration unit mounts. Fleets operating refrigerated trailers in Amarillo, Lubbock, Odessa, and across West Texas rely on OEM-grade fasteners like this washer to protect temperature-critical loads and reduce downtime.
Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
Backed by Thermo King’s engineering and supported by certified technicians at West Texas Thermo King, this component delivers lasting reliability and uptime assurance for fleet operations.
For product verification or service assistance, call (806) 376-5837.
For current warranty eligibility or OEM replacement coverage, contact us for warranty information: https://www.trailerservicesofwesttexas.com/contact or contact the service department for confirmation.
Frequently Asked Questions
Q: Is the Washer-Split .255ID SS 557112 compatible with Thermo King refrigeration units?
A: Yes, this stainless steel split lock washer is specified as OEM fastener hardware for Thermo King refrigeration and transport refrigeration assemblies, supporting secure mounting in temperature-control systems.
Q: What fastener size pairs with this washer?
A: The washer’s inner diameter measures 0.255 inch and pairs with corresponding fastener diameters commonly used in Thermo King mounting hardware; confirm bolt size during installation.
Q: How does this washer improve fleet reliability?
A: The split lock design maintains clamp force under vibration and thermal cycles, reducing fastener loosening and minimizing unscheduled service events for reefer trailers and refrigerated trucks.
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.