Skip to product information
1 of 6

Diode Dynamics H11 Anti-Flicker Module (Pair)

Diode Dynamics H11 Anti-Flicker Module (Pair)

Regular price $49.95
Sale price $49.95 Regular price
Discounts and shipping calculated at checkout.
  • 60 Day No Hassle Returns
  • Fast & Free Shipping
  • Always In Stock Guarantee
Payment methods
  • Amazon
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • USDC
  • Visa
Assembled in USA by Diode Dynamics Manufacturing. No more errors or flickering!This module does it all! It's a redesigned, modern version of the old, generic "warning canceller." Designed to handle even the most troublesome CANBUS systems used in the newest vehicles, it features nonpolar function, full power smoothing, and resistive and capacitive feedback to cancel even the most tricky CANBUS systems. The module can be used with 35W HIDs or any LED bulb. It will prevent flickering or bulb out errors in low beams, high beams, fog lamps, or daytime running lights. It has been tested for compatibility in the newest of vehicles, including Ram, Dodge, Chrysler, Jeep, VW, BMW, Audi, and Mercedes. Please note: Although we have tested these modules on many vehicles, due to differences in the electrical system on each vehicle, we cannot guarantee that these will correct any and every problem that may exist on every specific vehicle of every make and model. We offer a 30-day return policy if they do not work on your vehicle for any reason. Price is for one pair (two) modules. Not recommended for use with 55W HID.

DIODD3021P

Shop Safely With Us

Question about this product?

We're happy to help. Send us a message or use our live chat.

Shipping Information

  • Orders are prepared for shipment the same day if received prior to 2 PM EST on business days. Orders received after 2 PM EST will be fulfilled the next business day.
  • Shipping rates are automatically calculated at checkout based on weight, size, location, and carrier availability.
  • We offer free economy ground shipping for the contiguous USA. Expedited shipping options through trusted carriers such as UPS and FedEx are also offered at checkout.
  • High-value orders may require a signature upon delivery. You’ll be notified before shipment if this applies.

Returns, Exchanges and Refunds

  • You have 60 days after delivery to request a return or exchange. Items must be new, uninstalled and in resalable condition.
  • If the return is due to our error, we'll provide a prepaid return label at no cost to you.
  • If the return is due to customer error, you'll be responsible for return shipping costs and a 15% restocking fee may apply.
  • Inspect your package when it arrives and report any shipping damage or missing items within 24 hours of delivery.

Product Warranty

  • If your product issue occurs within 60 days of delivery, and the item is new and uninstalled, start a return through our Return, Exchange and Refund Policy.
  • If your issue occurs after 60 days and the product is covered by a manufacturer warranty, contact the manufacturer directly.
  • If you need assistance, reach out to us, we will guide you through the process.

Payment Information

  • Your payment method is charged when your order is placed. 
  • You may cancel and refund your order at any time by Contacting Us before it ships.
  • If your payment method is declined, your order will not be processed. Please double check your billing details to avoid delays.
  • Refunds are typically processed within 5-7 business days and may take up to 10 business days depending on your financial institution.
  • Some promotional items may not qualify for Buy Now, Pay Later payment options.

EPA, CARB and Disclaimers

  • Certain products are intended for off-road or race use only and may not be legal on public roads.
  • Buyers are responsible for ensuring compliance with all local, state, and federal laws.
  • Products that affect emissions may not be legal in California unless specifically labeled as CARB-exempt.

Items Ineligible for Return

Due to the nature of automotive parts, some items cannot be returned. These include:

  • Custom or special-order products
  • Products marked as "non-returnable" prior to purchase
  • Electronic components (e.g., ECUs, tuners, programmers, controllers, modules, etc)
  • Software
  • Installed or used parts
  • Final sale or clearance items
  • Hazardous materials (e.g., flammable liquids or gases)
  • Coilovers
  • Engine Internals (e.g., pistons, cams, valves, lifters, tensioners, etc) 
  • Turbochargers, Superchargers and Kits
  • Tooling

If you're unsure whether your item is eligible, please Contact Us before ordering.