HomeHVAC > A/C Flow RestrictorsUniversal Air EX10679C A/C Expansion Valve
Part #: EX10679C

Universal Air EX10679C A/C Expansion Valve

Block Expansion Valve
21 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Block Expansion Valve
Fitment: Toyota, Tundra and Sequoia
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Reliable A/C Expansion Valve for Toyota Sequoia and Tundra

The Universal Air Block Expansion Valve EX10679C is designed specifically for Toyota Sequoia and Tundra models. This A/C expansion valve helps regulate refrigerant flow, ensuring efficient air conditioning system performance in your vehicle.

  • Compatible with Toyota Sequoia and Tundra models
  • Part number EX10679C for precise identification
  • Part of the Universal Air Block Expansion Valve product line
  • Designed to control refrigerant flow in automotive A/C systems
  • Durable construction for consistent HVAC performance

About the Universal Air Block Expansion Valve Product Line

The Block Expansion Valve line from Universal Air focuses on providing reliable A/C flow restrictors that maintain proper refrigerant metering in automotive air conditioning systems. This product line is engineered to meet OEM specifications, ensuring compatibility and performance for vehicles like the Toyota Sequoia and Tundra. The EX10679C is a key component within this line, designed to optimize HVAC system efficiency and comfort.

Product Details and Functionality

The EX10679C A/C expansion valve regulates the flow of refrigerant entering the evaporator, which is critical for maintaining the correct pressure and temperature within the air conditioning system. Proper function of this valve prevents issues such as insufficient cooling or compressor damage. This valve is engineered to fit Toyota Sequoia and Tundra models, providing a direct replacement that supports the vehicle’s HVAC system integrity.

Common Issues Addressed by This Expansion Valve

  • Inconsistent or weak air conditioning cooling
  • Refrigerant flow irregularities causing system inefficiency
  • Compressor cycling or failure due to improper refrigerant metering
  • Excessive pressure build-up in the A/C system
  • HVAC system performance degradation over time

Installation Notes and Tips

Installation of the EX10679C expansion valve should be performed by a qualified technician familiar with Toyota Sequoia and Tundra HVAC systems. Ensure the system is properly evacuated and recharged with refrigerant after replacement. Verify all connections are secure and leak-free to maintain system integrity and performance.

Quality Assurance and Warranty

Universal Air provides this Block Expansion Valve with quality standards that meet or exceed OEM requirements. While specific warranty details are not provided here, Universal Air products typically come with manufacturer-backed warranties to ensure reliability and customer confidence.

This part fits 21 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2021ToyotaTundraTRD Sport PremiumN/AFor vehicles with Climate Control.; Block Expansion Valve
2021ToyotaTundraLimitedN/AFor vehicles with Climate Control.; Block Expansion Valve
2021ToyotaTundraSRN/AFor vehicles with Climate Control.; Block Expansion Valve
2021ToyotaTundraTrailN/AFor vehicles with Climate Control.; Block Expansion Valve
2021ToyotaTundra1794 EditionN/AFor vehicles with Climate Control.; Block Expansion Valve
2021ToyotaTundraTRD ProN/AFor vehicles with Climate Control.; Block Expansion Valve
2021ToyotaTundraTRD Off-RoadN/AFor vehicles with Climate Control.; Block Expansion Valve
2021ToyotaTundraTRD Off-Road PremiumN/AFor vehicles with Climate Control.; Block Expansion Valve
2021ToyotaTundraNightshadeN/AFor vehicles with Climate Control.; Block Expansion Valve
2021ToyotaTundraBaseN/AFor vehicles with Climate Control.; Block Expansion Valve
2021ToyotaTundraPlatinumN/AFor vehicles with Climate Control.; Block Expansion Valve
2021ToyotaTundraSR5N/AFor vehicles with Climate Control.; Block Expansion Valve
2021ToyotaTundra1794N/AFor vehicles with Climate Control.; Block Expansion Valve
2020ToyotaSequoiaN/ABlock Expansion Valve
2020ToyotaTundraN/AFor vehicles with Climate Control.; Block Expansion Valve
2019ToyotaTundra5.7LV8N/AFor vehicles with Climate Control.; Block Expansion Valve
2018ToyotaTundra5.7LV8N/AFor vehicles with Climate Control.; Block Expansion Valve
2017ToyotaTundra5.7LV8N/AFor vehicles with Climate Control.; Block Expansion Valve
2016ToyotaTundra5.7LV8N/AFor vehicles with Climate Control.; Block Expansion Valve
2015ToyotaTundra5.7LV8N/AFor vehicles with Climate Control.; Block Expansion Valve
2014ToyotaTundra5.7LV8N/AFor vehicles with Climate Control.; Block Expansion Valve

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.