Description
Product Overview
The FTHSO 12 V plug‑in blower motor relay is engineered for Toyota and Lexus models that require a robust, high‑current switching solution. Constructed with premium copper contacts, the relay offers superior conductivity and reduced resistance, which translates to quicker response times and longer service life. Rated for 30 A continuous current, it comfortably handles the demands of HVAC, heater and air‑conditioning circuits. The unit complies with CE standards, ensuring it meets stringent European safety and performance criteria. Its compact dimensions—1.97 × 1.18 × 1.06 inches—and lightweight design (1.48 oz) make it an ideal replacement for OEM part numbers 90987‑04002 and 056700‑6780. The plug‑in mounting style eliminates the need for soldering or complex wiring, allowing a quick swap in the vehicle’s relay box.
Usage
Designed for the automotive environment, this relay thrives in the high‑temperature, vibration‑prone conditions typical of engine bays and HVAC compartments. It is a direct fit for Toyota Avalon, Camry, Corolla, Highlander, RAV4, as well as Lexus GS, LS, and other models listed in the fitment guide. Whether you are restoring a classic Toyota Aristo or upgrading a modern RAV4’s climate control system, the FTHSO relay provides reliable operation for blower motors, heater fans, and air‑conditioning compressors. Installers appreciate the plug‑in design, which reduces installation time to a matter of minutes, while DIY enthusiasts benefit from the clear labeling and straightforward wiring diagram included with the product.

Why Choose Us
Our commitment to quality begins with sourcing copper of the highest purity for the contact points, ensuring minimal voltage drop and consistent performance over thousands of cycles. Each relay undergoes rigorous testing for electrical endurance, thermal stability, and mechanical durability before it leaves the factory. The CE certification guarantees that the product adheres to international safety standards, giving you confidence in both the product and the brand. Additionally, the FTHSO relay is backed by a comprehensive warranty and responsive customer support, so any questions about fitment or installation are promptly addressed.
Key Features
- High‑conductivity copper contacts for fast, reliable switching
- 30 A continuous current rating suitable for demanding HVAC loads
- Plug‑in mounting eliminates soldering and speeds up installation
- CE certified for safety and performance compliance
- Direct OEM fit for Toyota and Lexus models, matching part numbers 90987‑04002 and 056700‑6780
FAQ
Is this relay compatible with my 2015 Toyota Camry?
Yes, the FTHSO relay is a direct replacement for the OEM blower motor relay used in 2015 Camry models, matching the original part numbers and electrical specifications.
Can I use this relay in a Lexus vehicle?
Absolutely. The relay is listed for several Lexus models including the GS and LS series, providing the same performance and fit as in Toyota applications.
What is the warranty period for this relay?
The product comes with a one‑year limited warranty covering defects in materials and workmanship, backed by our dedicated support team.
Do I need any special tools to install the plug‑in relay?
No special tools are required. The relay plugs directly into the existing socket, and a simple pull‑out of the old unit is sufficient before inserting the new one.
Will the copper contacts improve the lifespan of the relay?
Copper’s superior conductivity reduces wear on the contacts, which typically results in a longer operational life compared to lower‑grade materials.




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