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Specifications
- Brand
- Diode Dynamics
- Part #
- DD4003
- UPC
- 691026114965

Diode Dynamics CF18 (LM449) LED Turn Signal Flasher
$20.43
On Backorder — Expected to ship by Apr 4, 2026
Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.
Corrects turn signal hyperflash caused by installing LED bulbs. Plugs directly into the factory flasher socket.
Key Features
- Compatible with LED bulbs — prevents hyperflash errors
- Simple swap — replaces the original module
- Direct fit — proper sizing for easy install
⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more
Will this fit your vehicle?
Product Details
Description
Direct replacement for your factory relay.Specifications
- Brand
- Diode Dynamics
- Manufacturer Part #
- DD4003
- UPC
- 691026114965
Frequently Asked Questions
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Diode Dynamics CF18 (LM449) LED Turn Signal Flasher
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