AINOSEIN 7443 LED Bulb Amber - 12000RPM Turbo Fan Cooled Turn Signal, 12V CANBUS Ready with Built-In Resistor, 7443/7440/T20 Compatible, Plug and Play, 2 Pack

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• MID-MOUNTED TURBO FAN DESIGN. No Top Fan Blockage – Unlike traditional ​amber bulbs with top-mounted fans that cast shadows over the LED, our central fan placement ensures Full-Circumference ​amber illumination from the bulb's crown, delivering 360° uniform brightness – critical for instant-recognition ​turn signals.
• DUAL-CHIP DYNAMIC MODES. 4000LM High-Visibility Amber Lighting – In High Mode, the 7535 and 1860 chips ignite at 30W total power, blasting ​4000 lumens through rain and dust. Paired with our precision-engineered lens, light becomes 20% brighter yet glare-free – critical for urban driving and highway lane changes.
• TURN SIGNAL HYPER-FLASH PREVENTION. CANBUS-Ready Smart System for 12V – Eliminates​amber turn signal hyper-flash and dashboard errors in most 7443 socket vehicles (2008-2024). Note: For CANBUS-sensitive models, message us for a free resistor wiring guide.
• LAB-PROVEN COOLING ENDURANCE. Stable 30W Output Under Stress – The ​12000 RPM mid-fan work with a 6063 aluminum alloy base (200 W/(m·K)) to prevent overheating. Tested at​ max power for 168 hours non-stop, the 7535 chip maintained​ 25W+ stable output with zero melting or burnout.
• UNIVERSAL FIT & HASSLE-FREE INSTALLATION. Non-Polarity Plug and Play, Fits 10+ sockets: 7440, 7443, T20, W21W, 7441, 7444, 7444NA, 7443R, 7440A, 7440LL, 7443LL. No wiring – twist clockwise for 3 seconds and done.
• 24/7 SUPPORT & 1-YEAR WARRANTY. Any Issue, Anytime Support – Our US-based LED experts respond within ​4 hours via Amazon Messages, 365 days a year. Includes ​1-year hassle-free replacement – whether you’re a professional fleet manager or an everyday driver, we resolve ​wiring, fitment, or performance issues with zero paperwork.