2021 Chevrolet Equinox Bulb Sizes
AI-generated reference. Always verify torque values, fluid capacities, intervals, and procedures against the manufacturer's service manual or OEM repair information before performing work. Repairius is not liable for damage from acting on this content without verification.
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Quick reference
| Location | Bulb Size | Type |
|---|---|---|
| Low Beam | H11 | Halogen |
| Low Beam (LED Option) | n/a | LED (OEM) |
| High Beam | H9 | Halogen |
| Fog Light | H8 | Halogen |
| DRL | 2825 / W5W | Halogen |
| Front Turn Signal | WY21W | Halogen |
| Rear Turn Signal | 7440 / WY21W | Halogen |
| Brake Light | 7443 | Halogen |
| Tail Light | 7443 | Halogen |
| Reverse Light | 921 | Halogen |
| License Plate | 194 / W5W | Halogen |
| Front Side Marker | 194 / W5W | Halogen |
| Rear Side Marker | 194 / W5W | Halogen |
| Dome Light | 578 | Halogen |
| Map Light | 2825 / W5W | Halogen |
The 2021 Chevrolet Equinox typically features a halogen lighting setup across most trims. However, higher trims (such as the Premier) may come equipped with factory LED headlights for the low beam, or an entirely different LED headlamp assembly, which are not user-serviceable bulbs but rather integrated LED units. Always check your specific trim level and current bulb type before purchasing replacements or upgrades.
LED vs halogen upgrade considerations
Upgrading your 2021 Chevrolet Equinox from halogen to LED bulbs can significantly improve light output, longevity, and give your vehicle a more modern look. However, there are several factors to consider:
- CANBUS Errors: Modern vehicles like the Equinox use a CANBUS (Controller Area Network Bus) system to monitor various electrical components, including lights. When you switch from halogen to LED, the lower power draw of LEDs can sometimes trick the CANBUS system into thinking there's a bulb out, triggering a
More specs for the 2021 Chevrolet Equinox
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
2021 Chevrolet Equinox 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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