Exterior Components Body Panels and Components

Diode Dynamics

Diode Dynamics 921 XPR LED Bulb - Red (Single)

$53.96

SKU: D00H DD0395S

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Overview

The Diode Dynamics 921 XPR Red is a 3rd brake light LED bulb designed as a direct replacement for factory incandescent bulbs. It features 16 high-power LEDs and a fully metal heatsink for optimal performance. The bulb utilizes inductive constant-current drive circuitry for reliability.
Show original supplier description

Part #: DD0395S

FeaturesIntense red LED illumination.Direct replacement compatible with Scion xB 3rd brake light bulb.Plug and play no modification with factory 921 bulb size.Instant on/off for faster response.OverviewInstant Brake. The factory incandescent 3rd brake light bulb on most vehicles lights up in a glow which takes a moment to turn on. A modern LED upgrade provides instant response which can alert other drivers on the road earlier while also providing a modern LED appearance. This third brake light LED is a great upgrade in both style and function.Quantity. As different trim levels often come equipped with different third brake lights we have listed bulbs individually here. Please double-check on your vehicle and select the quantity needed to replace all of your bulbs.Correct Color. You'll see that we only offer a red color option which is correct to SAE/DOT red" requirements. This provides the most output through the red lens of the 3rd brake light as the red lens acts as a filter only allowing red light through.Brightness. All Diode Dynamics LED lighting is rated with accurate measured lumen figures not calculations or guesses. We test the true output in-house and provide you the real numbers to compare.Reliability. Diode Dynamics LEDs are built with constant-current inductive circuitry along with transient suppression. While more expensive than simple bulbs this allows Diode Dynamics LEDs to last for years with no flickering or failure."

Features:

  • Direct replacement for your factory bulb
  • Molded construction with sturdy double terminals
  • Increased output with LED Appearance
  • Plug and play simple installation

The factory incandescent 3rd brake light bulb on most vehicles lights up in a glow which takes a moment to turn on. A modern LED upgrade provides instant response while also providing a modern LED appearance.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandDiode Dynamics
Part NumberD00H DD0395S

Videos

We’re here — turning wrenches, just like you.

Call us, follow along, or come say hi.

Buy with Confidence

Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

View Full Shipping Policy