Thermo King SGUM4000 Secondary Fuel Filter Kit 903866

$139.44

Official OEM Thermo King parts catalog entry for the SGUM4000 Secondary Fuel Filter Kit (Part 903866), 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 SGUM4000 Secondary Fuel Filter Kit (Part 903866) supports Thermo King refrigeration system reliability by delivering precision secondary filtration for diesel-driven transport refrigeration applications. This component ensures consistent fuel cleanliness and helps maintain temperature control across reefer trailer and truck operations.

Key Features & Customer Benefits

  • OEM-Grade Filtration Media – Removes fine particulates and water emulsions to protect fuel injectors and the fuel pump, improving long-term reliability.
  • Complete Kit Configuration – Includes filter element and OEM-style seals for streamlined install and reduced downtime during scheduled service.
  • Precision Fit – Engineered to integrate with SGUM4000 secondary fuel systems to support leak-free connections and consistent fuel flow.
  • Serviceability – Designed for straightforward replacement during routine maintenance intervals to maximize fleet uptime and reduce labor time.
  • Compatibility with Transport Refrigeration – Built to meet the demands of Thermo King diesel refrigeration units used on reefer trailers and refrigerated trucks.
  • Fleet ROI – Helps prevent premature component wear and supports fuel-efficient cooling by ensuring clean fuel delivery to the refrigeration engine.

Product Details

Part Number903866
Product NameSGUM4000 Secondary Fuel Filter Kit
ApplicationSecondary fuel filtration for Thermo King transport refrigeration systems
ContentsFilter element and OEM-style seals (kit configuration)
ManufacturerThermo King (OEM)

Efficiency & Sustainability

This secondary fuel filter kit supports fuel-efficient cooling by maintaining clean fuel delivery to diesel refrigeration engines, which helps optimize combustion and reduce particulate-related wear. Use of OEM-grade filtration aligns with Thermo King engineering standards and supports environmental compliance efforts such as those for CARB Evergreen and other regional emissions initiatives where applicable. Integration with Smart Reefer SR-4 controls and other Thermo King monitoring systems supports precise temperature control across the supply chain.

Installation & Maintenance Tips

Install the filter kit using OEM clamps and specified seals. Lubricate O-rings with clean engine oil before seating. Hand-tighten service fittings to OEM torque guidelines and inspect fuel lines and connections for leaks after service. Replace the secondary filter during scheduled maintenance intervals or when fuel quality degrades to protect the injection system and pump.

Real-World Applications

This filter kit serves fleets operating reefers and refrigerated units on highway tractors, straight trucks, and trailer applications where Thermo King diesel-driven refrigeration units demand consistent fuel cleanliness. It supports operations requiring reliable temperature control for perishables, pharmaceuticals, and sensitive cargo during long-haul routes across West Texas and the Permian Basin.

Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.

View all Thermo King Parts

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 at https://www.trailerservicesofwesttexas.com/contact or call the service department for confirmation.

Frequently Asked Questions

Q: Is this filter kit compatible with Thermo King diesel refrigeration units?
A: Yes. The SGUM4000 Secondary Fuel Filter Kit supports secondary fuel filtration for Thermo King transport refrigeration systems and integrates with SGUM4000 secondary filtration applications common to Thermo King units.

Q: How often should the secondary filter be replaced?
A: Replace the secondary filter during scheduled maintenance intervals or when fuel quality shows contamination; follow unit service intervals and inspection practices to maintain fuel system reliability.

Q: Can certified technicians install this kit in the field?
A: Yes. Certified technicians at West Texas Thermo King install and service this kit to OEM standards and verify proper operation after service.

Related Resources

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 SGUM4000 Secondary Fuel Filter Kit (Part 903866), 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 SGUM4000 Secondary Fuel Filter Kit (Part 903866) supports Thermo King refrigeration system reliability by delivering precision secondary filtration for diesel-driven transport refrigeration applications. This component ensures consistent fuel cleanliness and helps maintain temperature control across reefer trailer and truck operations.

Key Features & Customer Benefits

  • OEM-Grade Filtration Media – Removes fine particulates and water emulsions to protect fuel injectors and the fuel pump, improving long-term reliability.
  • Complete Kit Configuration – Includes filter element and OEM-style seals for streamlined install and reduced downtime during scheduled service.
  • Precision Fit – Engineered to integrate with SGUM4000 secondary fuel systems to support leak-free connections and consistent fuel flow.
  • Serviceability – Designed for straightforward replacement during routine maintenance intervals to maximize fleet uptime and reduce labor time.
  • Compatibility with Transport Refrigeration – Built to meet the demands of Thermo King diesel refrigeration units used on reefer trailers and refrigerated trucks.
  • Fleet ROI – Helps prevent premature component wear and supports fuel-efficient cooling by ensuring clean fuel delivery to the refrigeration engine.

Product Details

Part Number903866
Product NameSGUM4000 Secondary Fuel Filter Kit
ApplicationSecondary fuel filtration for Thermo King transport refrigeration systems
ContentsFilter element and OEM-style seals (kit configuration)
ManufacturerThermo King (OEM)

Efficiency & Sustainability

This secondary fuel filter kit supports fuel-efficient cooling by maintaining clean fuel delivery to diesel refrigeration engines, which helps optimize combustion and reduce particulate-related wear. Use of OEM-grade filtration aligns with Thermo King engineering standards and supports environmental compliance efforts such as those for CARB Evergreen and other regional emissions initiatives where applicable. Integration with Smart Reefer SR-4 controls and other Thermo King monitoring systems supports precise temperature control across the supply chain.

Installation & Maintenance Tips

Install the filter kit using OEM clamps and specified seals. Lubricate O-rings with clean engine oil before seating. Hand-tighten service fittings to OEM torque guidelines and inspect fuel lines and connections for leaks after service. Replace the secondary filter during scheduled maintenance intervals or when fuel quality degrades to protect the injection system and pump.

Real-World Applications

This filter kit serves fleets operating reefers and refrigerated units on highway tractors, straight trucks, and trailer applications where Thermo King diesel-driven refrigeration units demand consistent fuel cleanliness. It supports operations requiring reliable temperature control for perishables, pharmaceuticals, and sensitive cargo during long-haul routes across West Texas and the Permian Basin.

Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.

View all Thermo King Parts

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 at https://www.trailerservicesofwesttexas.com/contact or call the service department for confirmation.

Frequently Asked Questions

Q: Is this filter kit compatible with Thermo King diesel refrigeration units?
A: Yes. The SGUM4000 Secondary Fuel Filter Kit supports secondary fuel filtration for Thermo King transport refrigeration systems and integrates with SGUM4000 secondary filtration applications common to Thermo King units.

Q: How often should the secondary filter be replaced?
A: Replace the secondary filter during scheduled maintenance intervals or when fuel quality shows contamination; follow unit service intervals and inspection practices to maintain fuel system reliability.

Q: Can certified technicians install this kit in the field?
A: Yes. Certified technicians at West Texas Thermo King install and service this kit to OEM standards and verify proper operation after service.

Related Resources

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.