2022 GMC Sierra 2500HD Bulb Size Guide
Refer to this guide for all your 2022 GMC Sierra 2500HD bulb replacement and upgrade needs.
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Quick reference
| Location | Bulb Size | Type |
|---|---|---|
| Low Beam | H11 | Halogen (most trims) / LED (some trims) |
| High Beam | 9005 | Halogen (most trims) / LED (some trims) |
| Fog Light | H11 | Halogen (most trims) / LED (some trims) |
| DRL | 7443 | Halogen (most trims) / LED (some trims) |
| Front Turn Signal | 7444NAK | Halogen (most trims) / LED (some trims) |
| Rear Turn Signal | 3157 | Halogen (most trims) / LED (some trims) |
| Brake Light | 3157 | Halogen (most trims) / LED (some trims) |
| Tail Light | 3157 | Halogen (most trims) / LED (some trims) |
| Reverse Light | 7440 | Halogen (most trims) / LED (some trims) |
| License Plate | 194 | Halogen (most trims) / LED (some trims) |
| Front Side Marker | W5W | Halogen (most trims) / LED (some trims) |
| Rear Side Marker | W5W | Halogen (most trims) / LED (some trims) |
| Dome Light | 578 | Halogen (most trims) / LED (some trims) |
| Map Light | 194 | Halogen (most trims) / LED (some trims) |
Note: Many trim levels of the 2022 GMC Sierra 2500HD, particularly higher trims like Denali, utilize full LED lighting for the exterior (headlights, taillights, fog lights, DRLs, and turn signals) as original equipment. Lower trims typically feature halogen bulbs. Always check your vehicle's specific trim and existing bulbs to confirm.
The 2022 GMC Sierra 2500HD offers robust performance and capability, and its lighting system plays a crucial role in both visibility and safety. Depending on your trim level, your Sierra may be equipped with a mix of traditional halogen bulbs or advanced LED lighting from the factory. Understanding the correct bulb sizes is essential whether you're performing routine maintenance, replacing a burnt-out bulb, or considering an upgrade to LED technology.
Most base and mid-level trims of the 2022 Sierra 2500HD will feature halogen bulbs for the headlights (low and high beams), fog lights, DRLs, and turn signals. Higher trims, such as the SLT, AT4, and especially the Denali, often come equipped with full LED headlamp assemblies, LED fog lights, LED DRLs, and LED turn signals as standard. These LED systems are integrated units and typically do not have replaceable individual bulbs for the main functions; rather, if a component fails, the entire assembly may need replacement. However, some lower-tier LED optioned vehicles may still use replaceable LED bulbs for certain functions, so it is always best to visually inspect.
LED vs Halogen Upgrade Considerations
Upgrading from halogen to LED bulbs in your 2022 GMC Sierra 2500HD can offer several benefits, including brighter light, a whiter color temperature, and a longer lifespan. However, there are important factors to consider:
- CANBUS Errors: Modern vehicles like the Sierra 2500HD use a CANBUS (Controller Area Network Bus) system to monitor various electrical components, including lighting. Halogen bulbs draw more power than LED bulbs, and if you install LEDs without the proper resistors, the vehicle's computer may detect the lower power draw as a
More specs for the 2022 GMC Sierra 2500HD
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
2001 Sierra 2500HD
2002 Sierra 2500HD
2003 Sierra 2500HD
2004 Sierra 2500HD
2005 Sierra 2500HD
2006 Sierra 2500HD
Maintenance & repair guides
2022 GMC Sierra 2500HD 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 2026-06-26.