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T15 W16W LED Bulb - 921 912 Backup Reverse Light 12V 24V

High-output T15 W16W LED bulb engineered with 39x SMD 3014 LEDs and an open unibody aluminum core. Delivers 250 LM of uniform 360° illumination for automotive backup reverse and center high-mount stop lights. Drop-in upgrade for 921, 912, and W16W.
Product Model: T15-39L
Socket / Base: T15 / W16W / 921 (W2.1×9.5d Wedge Base)
Fits T10/W5W Sockets · Optional BA9s Miniature Bayonet Available
Bulb Dimensions: Outer Diameter 14.0mm × Overall Length 39.0mm
Operating Voltage: Discrete Voltage Editions (factory calibrated):
6–15V DC (Auto / Moto) · 10–30V DC (Truck / Commercial Fleet)
Power Consumption: 2.5W (Non-CANBus High Efficiency · Resistor Ready)
Luminous Flux: 250 Lumens (White 6500K High Visibility)
Color Output: Pure White 6500K · Warm White 3000K · Amber 595–600nm · Red 620–630nm
LED Emitters: 39x High-Efficiency SMD 3014 LEDs (Uniform 360° Optical Array)
Thermal Enclosure: Aviation 6063 Aluminum Heat Sink Body (Direct Ambient Convection)
Quality & Warranty: CE (EMC Compliant), RoHS | 2 Years Factory Warranty
Factory MOQ: Standard: from 5 pairs | Custom Packaging: Packaging run MOQ 5,000 pcs (pre-funded and drawn down across repeat orders)
  • Product Details

High-Intensity 360-Degree Optical Architecture

Engineered as an ultra-reliable, high-output retrofit for OEM incandescent miniature lamps, the MIDCARS T15-39L utilizes 39 high-efficiency SMD 3014 LEDs arranged in a radial perimeter array with forward-projecting top emitters. This dense optical architecture projects 250 lumens of uniform illumination across a full 360-degree sphere, thoroughly filling automotive reflector bowls and diffuser optics with zero dead angles or spotlighting artifacts.

Direct Plug-and-Play Fitment for Backup Reverse & 3rd Brake Lamps

Measuring 14.0mm in diameter and 39.0mm in overall length, the T15-39L adheres strictly to OEM incandescent W16W envelope boundaries. It snaps directly into factory W2.1×9.5d wedge sockets without harness modifications, socket shaving, or adapter brackets. Drawing only 2.5W versus a conventional 16W filament bulb (about 84% lower power consumption), it delivers 250 lumens of crisp 6500K white light, significantly enhancing night-time backup camera contrast and obstacle recognition.

MIDCARS T15-39L precision dimensional blueprint D14mm x 39mm

Precision Dimensional Blueprint: D14.0mm Outer Diameter × 39.0mm Overall Length

Solid 6063 Aluminum Unibody Thermal Core

Unlike fully enclosed plastic-bodied bulbs that trap internal heat and suffer premature LED degradation, the T15-39L is constructed around a precision-machined 6063 unibody aluminum thermal core. The open-frame emitter column leverages natural ambient airflow within the lamp housing to rapidly conduct heat away from the LED semiconductor junctions. This robust thermal management ensures steady lumen maintenance and an operating lifespan exceeding 50,000 hours.

T15 W16W LED bulb versus incandescent W16W bulb replacement comparison

Calibrated Discrete Voltage Architecture: 12V Automotive & 24V Commercial

To eliminate electrical failure modes commonly experienced with generic wide-range switching supplies, MIDCARS manufactures dedicated, voltage-specific editions:

  • 6–15V DC Standard Edition: Optimized for 12V passenger vehicles, SUVs, light pickups, and motorcycle auxiliary lighting.
  • 10–30V DC Heavy-Duty Fleet Edition: Engineered with reinforced transient spike suppression and reverse-polarity protection to handle continuous charging spikes in 24V commercial transport trucks, heavy trailers, and industrial utility vehicles.

Factory B2B Customization & Private-Label Packaging Support

As a direct design and manufacturing facility, Dongguan Zhishan Electronic Technology supports global automotive aftermarket distributors, fleet operators, and private-label lighting brands with comprehensive manufacturing solutions:

  • Flexible Trial Orders: Standard stock catalog configurations available from 5 pairs for immediate optical fitment and bench evaluation.
  • Custom Retail Packaging: Custom packaging print runs start at 5,000 units (branded blister packs, hanging cards, or retail slide boxes). Clients can pre-fund packaging materials, which are warehoused at our facility and drawn down across subsequent production batches.
  • Optional Socket Configurations: Available with standard T15/T10 wedge terminals or specialized BA9s miniature bayonet bases for industrial machinery integration.

Frequently Asked Questions

Can this T15 W16W LED bulb be plugged into a standard T10 (W5W) socket?
Yes, electrically and mechanically the plug terminals are identical: both T15 (W16W / 921) and T10 (W5W / 194) use the standard W2.1×9.5d miniature wedge base. However, the T15 features a wider 14.0mm head and 39.0mm overall length compared to a smaller T10. As long as your lamp housing provides adequate internal clearance, it serves as a powerful high-output upgrade.
What automotive and motorcycle positions is this bulb primarily designed for?
The T15-39L is primarily utilized as an ultra-bright backup reverse light bulb to maximize visibility on rear-view cameras during night reversing. It is also widely deployed in truck high-mount third brake lights (CHMSL), cargo bed illumination lamps, rear fog fixtures, and large motorcycle tail/signal housings.
How should fleet managers select between the 6-15V and 10-30V editions?
For standard 12V passenger cars, light SUVs, and powersports vehicles, select the 6–15V DC edition for maximum efficiency. For 24V commercial logistics trucks, long-haul trailers, coaches, and municipal vehicles, specify the 10–30V DC edition, which incorporates heavy-duty electrical clamping to absorb alternator load-dump surges.
What is the sample MOQ and custom packaging procedure?
Samples are available from 5 pairs for evaluation. Custom retail packaging (5,000 pcs MOQ) can be pre-funded and held in inventory to be drawn down across repeat orders. Please refer to the Factory MOQ specifications above for full terms.