2023 Toyota Tundra Bulb Sizes
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Quick Reference
| Location | Bulb Size | Type |
|---|---|---|
| Headlights | ||
| Low Beam (Halogen) | H11 | Halogen |
| Low Beam (LED) | LED (integrated) | LED |
| High Beam (Halogen) | H9 | Halogen |
| High Beam (LED) | LED (integrated) | LED |
| Fog Lights (Halogen) | H16 (Type 2) | Halogen |
| Fog Lights (LED) | LED (integrated) | LED |
| DRL (Halogen) | 7443 | Halogen |
| DRL (LED) | LED (integrated) | LED |
| Front Turn Signal | 7440 | Incandescent |
| Rear Turn Signal | 7440 | Incandescent |
| Brake Light | LED (integrated) | LED |
| Tail Light | LED (integrated) | LED |
| Reverse Light | 921 | Incandescent |
| License Plate Light | 168 | Incandescent |
| Front Side Marker | W5W or 168 | Incandescent |
| Rear Side Marker | LED (integrated) | LED |
| Dome Light | 168 | Incandescent |
| Map Lights | 168 | Incandescent |
Note: Many higher trims and packages of the 2023 Toyota Tundra come with factory LED lighting for headlights, fog lights, DRLs, and all rear lighting. Integrated LED designs mean the entire assembly needs to be replaced if a component fails, not just a bulb.
The 2023 Toyota Tundra offers a blend of rugged capability and modern amenities, including advanced lighting options. Depending on the trim level and optional packages, your Tundra might feature traditional halogen bulbs or sophisticated integrated LED lighting systems. Understanding which type of bulbs your Tundra uses is crucial for maintenance, repairs, and aftermarket upgrades.
Most base and mid-tier trims of the 2023 Tundra typically come with halogen bulbs for the low beam, high beam, and fog lights, while many higher trims (such as Limited, Platinum, 1794, and Capstone) are equipped with factory LED headlights, fog lights, and DRLs. These integrated LED systems do not use replaceable bulbs in the traditional sense; the LEDs are built into the headlight or fog light assembly itself. Similarly, most Tundra models feature integrated LED brake and tail lights, meaning individual bulbs are not replaceable.
LED vs Halogen Upgrade Considerations
Upgrading from halogen to LED bulbs in your 2023 Toyota Tundra can offer significant improvements in brightness, lifespan, and energy efficiency. However, there are several key considerations to keep in mind:
- CANBUS Errors: Modern vehicles like the Tundra use a Controller Area Network Bus (CANBUS) system to monitor various electrical components, including lighting. Halogen bulbs draw more power than LEDs. When you replace a halogen bulb with an LED, the lower power draw can be interpreted by the CANBUS system as a
More specs for the 2023 Toyota Tundra
Oil Capacity & Filter
Capacity, weight, filter PN, drain plug torque, change interval.
Fluid Type Specs
Engine oil, coolant, ATF, diff, brake, PS, DEF — with OEM spec numbers.
Coolant Capacity & Type
Total system capacity, OEM coolant spec, flush interval, bleed tips.
Transmission Fluid & Service
Trans model, fluid spec, capacity, filter PN, service interval.
Torque Specifications
Lug nuts, drain plug, caliper, axle nut, plug, key fasteners.
Brake Pad & Rotor Specs
Pad PNs, rotor size, min thickness, caliper torque.
Tire Size & Pressure
OEM size, cold psi, bolt pattern, wheel size, TPMS.
Battery Size & Group
Group size, CCA, AGM/flooded, dimensions, reset note.
A/C Refrigerant & Oil
R-134a or R-1234yf, charge oz, PAG oil spec.
Factory Maintenance Schedule
Service intervals by mileage, severe-duty notes, known issues.
Towing Capacity & Payload
Max tow, payload, GVWR/GCWR, hitch class by trim.
Fuse Box Diagram & Amperage
Fuse box locations, layout, amps, and what each fuse controls.
Serpentine Belt Routing & Length
Belt routing, length, rib count, OEM + aftermarket PNs.
Wheel Alignment Specifications
Camber, caster, toe ranges (front & rear), adjustability notes.
Paint Color Codes
All factory colors with paint codes, sticker location, touch-up tips.
Wiper Blade Sizes
Driver/passenger/rear blade size, attachment, OEM + cross-refs.
Spark Plug Type & Gap
Plug PN, gap, torque, interval by engine.
Transmission & Axle Gear Ratios
Trans gear ratios, axle ratios, RPO codes, tow vs MPG impact.
Key Fob Programming
DIY programming steps, FCC ID, fob PN, battery, transponder.
Same spec — other model years
Maintenance & repair guides
2023 Toyota Tundra Maintenance Schedule →
Available maintenance guidance; confirm the manufacturer schedule.
Repair planning references →
Plan the scope of work; detailed procedures need configuration-matched evidence.
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Values can vary by engine, trim and build date; check your VIN-specific service information. Updated 2026-07-01.