The Original Expansion Valve
You Can Trust
Fujikoki thermal expansion valves for automotive air conditioning — engineered in Japan, trusted across Southeast Asia, the Middle East, and beyond.
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C-Type Thermal Expansion Valve
Our flagship product. Compact, lightweight, and high-performance thermal expansion valves designed specifically for automobile air-conditioning systems. Compatible with HFC-134a refrigerant and engineered to OEM standards.
Product Range
Three Types for Every Application
Whether you need internal or external equalizing, block-type or standard — we supply the right Fujikoki valve for your vehicle application.
C-Type Expansion Valve
Compact & lightweight design. Internal equalizing. Ideal for most passenger car A/C systems. Our primary product line.
G-Type Expansion Valve
External equalizing capillary type. Ideal for systems where high pressure drop across the evaporator requires external pressure sensing.
V-Type (Block Type) Valve
No thermal sensing tube needed. Compact block-type design. Compatible with Nissan, Mitsubishi, Honda, Mazda, VW and more.
Why Choose Us
Genuine Fujikoki vs. Cheap Copies
The market is flooded with counterfeit expansion valves from China. Don’t risk your customers’ A/C systems — insist on genuine Fujikoki parts.
OEM-Grade Manufacturing
Fujikoki supplies original equipment to Toyota, Honda, and other major Japanese automakers. Our valves meet factory specs.
Consistent Performance
Precise superheat control means better cooling efficiency and longer compressor life — unlike counterfeit parts that fail early.
Certified & Traceable
Every valve comes with manufacturer certification. Full traceability from Fujikoki Japan through Suntora Bangkok to your warehouse.
40+ Years Track Record
Suntora Co., Ltd. has distributed Fujikoki valves across Southeast Asia and the Middle East for over four decades.
Direct from Bangkok
Stock held in Bangkok, Thailand. Fast delivery to Southeast Asia, competitive pricing for the region.
Technical Support
Our team has hands-on experience with automotive A/C systems. We help you select the right valve for every application.
Where We Serve
Global Markets, Regional Expertise
From Bangkok, we supply automotive A/C service distributors and workshops across four major regions.
Southeast Asia
Thailand, Vietnam, Indonesia, Philippines, Malaysia & more
Middle East
UAE, Saudi Arabia, Kuwait, Qatar, Bahrain, Oman
Europe & Americas
Selected distributors in EU, UK, and North America
Japan (New)
Service shops & distributors — coming soon
Ready to Order or Need Specs?
Send us your vehicle model, refrigerant type, and required capacity — we’ll identify the right valve within 24 hours.
📧 Contact Suntora