SKU: 84389824179

Universal CF18 LM449 LED Turn Signal Flasher (DIODD4003)

Sale price$16.20 Regular price$18.00
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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12

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Description

Universal CF18 LM449 LED Turn Signal Flasher (DIODD4003)Hyperflashing is a persistent frustration when upgrading incandescent turn signals to LEDs, caused by the vehicle sensing a lower electrical load and assuming a bulb has failed. The CF18 LM449 LED Turn Signal Flasher solves this problem by providing a consistent, electronically timed pulse that remains stable regardless of the bulb type. By replacing the factory flasher module entirely, you eliminate the need for installing heat generating load

Hyperflashing is a persistent frustration when upgrading incandescent turn signals to LEDs, caused by the vehicle sensing a lower electrical load and assuming a bulb has failed. The CF18 LM449 LED Turn Signal Flasher solves this problem by providing a consistent, electronically timed pulse that remains stable regardless of the bulb type. By replacing the factory flasher module entirely, you eliminate the need for installing heat-generating load resistors, ensuring a clean and reliable blink rate that maintains the professional look of your lighting upgrade.

Features
  • Hyperflash Correction: Specifically engineered to recognize the lower resistance of LED bulbs, this module prevents rapid-fire blinking and restores standard signal timing.
  • Direct Replacement Design: This unit is a true plug and play replacement for the factory CF18 or LM449 module, fitting directly into the original socket with no tools required.
  • Load Independent Timing: Unlike thermal flashers that rely on heat and resistance, this electronic module maintains a steady flash rate even when mixing LED and incandescent bulbs.
  • Solid State Reliability: Built with high quality internal components designed to withstand automotive temperature extremes while providing a much longer service life than mechanical units.
  • Audible Feedback: Engineered to maintain the familiar clicking sound of the factory turn signals, ensuring the driver is alerted when the signals or hazard lights are active.

Specs

  • Traffic Pattern: N/A (Flasher Module)
  • Color Temp: N/A
  • Measured Output: N/A
  • Peak Intensity: N/A
  • Wattage: 0.1W to 150W Capacity
  • Operating Voltage: 9-16V
  • Materials: ABS Plastic Housing and Brass Terminals
  • Weather Rating: Interior Rated (Fuse Box Environment)

Includes

  • One (1) CF18 LM449 LED Turn Signal Flasher Module

Notes

  • Compliance: Restores the standard flash rates required for DOT and SAE turn signal compliance.
  • Warranty: Includes the Diode Dynamics industry leading 8 year limited warranty.
  • Fitment: Does not fit vehicles where the flasher function is integrated into the Body Control Module or those using a different pin configuration.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 84389824179

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Reviewed in the United States on January 25, 2026
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Tammy Milligan
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★★★★★ 5
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Camille Ulmer
Bozeman, US
★★★★★ 5
My husband loves it!
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I got this for my husband for Christmas and he absolutely loves it! He actually wants another one for his office. It looks and feel durable and nice and the aesthetic is very pleasing. Extremely practical and functional. Perfect for his phone charger because his was always slipping off of his bedside table. Will probably be back for another one this year for him!
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Reviewed in the United States on March 6, 2025
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