2020 Chevrolet Blazer Headlight Bulb Size

By clicking the link you will be redirected to Amazon. The aftermarket bulbs & headlights below may improve the illumination of your vehicle and make it stand out from the crowd.
Lightninglab.org is reader-supported. When you buy through links on our site, we may earn an affiliate commission.

Headlight Bulb High Beam and Low Beam - D3S
Center High Mount Stop Light Bulb - 921
LED
Brake Light Bulb - 7440
LED
Turn Signal Light Bulb Front - 7444NA
License Plate Light Bulb - 168
LED
Parking Light Bulb - 7444NA
Turn Signal Light Bulb Rear - 7440
LED
Side Marker Light Bulb Front - 194
Back Up Light Bulb - 921
LED
Dome Light Bulb - 194

2020 Chevrolet Blazer High and Low Beam bulb size - D3S

Xenon HID Conversion Kit

 Extremely Long Life with precise light distribution & consistent performance - can efficiently work for 4000 hours.  All HID lights discolor to get whiter/bluer over usage & dim down. When comparing this NEW bulb against your OLD bulb, the NEW bulb may look warmer in color, which is normal. Replacing...
Product review

Buy

Xenon HID lights deliver better light but consume less power. This offers drivers enhanced visibility while allowing the vehicle to save electrical power for other functions. With twice the amount of light, you can see potential obstacles much sooner. At highway speeds, HID lights give you up to a full...
Product review

Buy
See More D3S Xenon HID Conversion Kit

LED Lights

Looking for an LED conversion kit that will perfectly replace your OEM D3S D3R D3C Xenon bulb without changing any wiring? Look no further than the VehiCode D3S LED Headlight Conversion Kit. Each all-in-one LED conversion light lamp features mute fan cooling and CAN-bus error decoding, making installation a breeze....
Product review

Buy

Please note before purchasing:

1. These bulbs can only replace factory D1S D1R D3S D3R HID bulbs.

2. Not plug-and-play installation. This product includes two adapter wires, you can use that to splice into the factory wires.

3. Please NEVER install D3S D3R led bulbs to D1S D1R ballasts, and NEVER install D1S...
Product review

Buy
See More D3S LED Lights

2020 Chevrolet Blazer Center Stop bulb size - 921

LED Lights

  • 300% Brighter - 921 led bulb has 3030 SMD LED chips. You can see farther and clearer when reversing at night.
  • Easy Installation - 1:1 design with halogens, non-polarity, play, and plug. 921 led bulb reverse light is fit for 921,912, T15, 906, 904, 902, 922, W16W. Upgrade replacement for reverse...

Product review
Buy

You want bright, stylish lighting for your car but you don’t want to keep replacing burned-out bulbs. Philips Ultinon LED lights to give you high-powered, automotive-grade LEDs, with a lifetime of up to 8 years. With conventional bulbs, the more powerful the light, the shorter its lifespan. Philips Ultinon LEDs...
Product review

Buy
See More 921 LED Lights

2020 Chevrolet Blazer Brake bulb size - 7440

LED Lights

  • Standard 7440 Base can replace Stock Bulbs or Incandescents such as 7440NA 7441 992. Well matched with the original Incandescence lights. Easy plug-and-play installation - just plug it into the socket.
  • Apply to the vehicle interior and exterior auto parts of most American cars, trucks, SUVs, or vans as vehicle Tail Lights,...

Product review
Buy
See More 7440 LED Lights

2020 Chevrolet Blazer Turn Signal bulb size - 7444NA

Halogen Lights

  • Twice the life of standard incandescent bulbs.
  • Best value.
  • Original equipment quality seal for the most reliable performance.
  • Miniature bulbs by Philips, for over 100 years we have been continuously innovating automotive lighting.
  • Always replace in pairs to ensure a symmetric light beam from both bulbs on the road. Bulbs dim over time.

Product review
Buy
See More 7444NA Halogen Lights

LED Lights

You have a high-quality, durable, and reliable product. It is the only bulb that can be used as a replacement for all types of turn signal lights. The LED light is much brighter than any other bulbs in the market. It is made with 24 pieces of 3030 LED chipset...
Product review

Buy
See More 7444NA LED Lights

2020 Chevrolet Blazer License Plate bulb size - 168

LED Lights

  • DOT and SAE Compliant. Made by an ISO Certified Manufacturer using Materials that meet or Exceed OEM Requirements!
  • Installation Made Easy on All of Our Items! Little to No Modifications are needed at Best!

Product review
Buy

Design.

The 194 HP3 LED bulb is a compact, simple LED replacement with proven performance. The single diffused optic spreads light in the original lamp, for OEM-style appearance and function. With its dual-lead contacts, it will fit snugly in the socket, and its light weight means it won't vibrate loose over...
Product review

Buy
See More 168 LED Lights

2020 Chevrolet Blazer Parking bulb size - 7444NA

Halogen Lights

  • Twice the life of standard incandescent bulbs.
  • Best value.
  • Original equipment quality seal for the most reliable performance.
  • Miniature bulbs by Philips, for over 100 years we have been continuously innovating automotive lighting.
  • Always replace in pairs to ensure a symmetric light beam from both bulbs on the road. Bulbs dim over time.

Product review
Buy
See More 7444NA Halogen Lights

LED Lights

You have a high-quality, durable, and reliable product. It is the only bulb that can be used as a replacement for all types of turn signal lights. The LED light is much brighter than any other bulbs in the market. It is made with 24 pieces of 3030 LED chipset...
Product review

Buy
See More 7444NA LED Lights

2020 Chevrolet Blazer Turn Signal Rear bulb size - 7440

LED Lights

  • Standard 7440 Base can replace Stock Bulbs or Incandescents such as 7440NA 7441 992. Well matched with the original Incandescence lights. Easy plug-and-play installation - just plug it into the socket.
  • Apply to the vehicle interior and exterior auto parts of most American cars, trucks, SUVs, or vans as vehicle Tail Lights,...

Product review
Buy
See More 7440 LED Lights

2020 Chevrolet Blazer Side Marker Front bulb size - 194

LED Lights

Product benefits:

  1. Canbus error free, no error after installation.
  2. 360-degree lighting angle, no visual blind spot.
  3. Energy-Saving, low power consumption for a longer life span.
  4. Easy to install, non-polarity just plug and play.
  5. Brilliant red color light brings your car a refreshed new look.
  6. Fits directly into multiple bulb-size sockets such as 168 175 194 2825...

Product review
Buy
  • 360-degree light output coverage.
  • 5 times more light than conventional interior lighting.
  • Up to 12 years lifetime compared to regular halogen bulbs.

Product review
Buy
See More 194 LED Lights

Halogen Lights

– Longer life than basic bulbs
– Legal for on road use
– OE (Original Equipment) Manufacturer
– Light bulbs dim over time and require replacement
– Replace in pairs for optimal performance


Product review
Buy
See More 194 Halogen Lights

2020 Chevrolet Blazer bulb size - 921

LED Lights

  • 300% Brighter - 921 led bulb has 3030 SMD LED chips. You can see farther and clearer when reversing at night.
  • Easy Installation - 1:1 design with halogens, non-polarity, play, and plug. 921 led bulb reverse light is fit for 921,912, T15, 906, 904, 902, 922, W16W. Upgrade replacement for reverse...

Product review
Buy

You want bright, stylish lighting for your car but you don’t want to keep replacing burned-out bulbs. Philips Ultinon LED lights to give you high-powered, automotive-grade LEDs, with a lifetime of up to 8 years. With conventional bulbs, the more powerful the light, the shorter its lifespan. Philips Ultinon LEDs...
Product review

Buy
See More 921 LED Lights

2020 Chevrolet Blazer Dome Light bulb size - 194

LED Lights

Product benefits:

  1. Canbus error free, no error after installation.
  2. 360-degree lighting angle, no visual blind spot.
  3. Energy-Saving, low power consumption for a longer life span.
  4. Easy to install, non-polarity just plug and play.
  5. Brilliant red color light brings your car a refreshed new look.
  6. Fits directly into multiple bulb-size sockets such as 168 175 194 2825...

Product review
Buy
  • 360-degree light output coverage.
  • 5 times more light than conventional interior lighting.
  • Up to 12 years lifetime compared to regular halogen bulbs.

Product review
Buy
See More 194 LED Lights

Halogen Lights

– Longer life than basic bulbs
– Legal for on road use
– OE (Original Equipment) Manufacturer
– Light bulbs dim over time and require replacement
– Replace in pairs for optimal performance


Product review
Buy
See More 194 Halogen Lights

Popular Headlights



Popular Taillights





The 2020 Chevrolet Blazer bulb size chart specifies the recommended lamp part numbers and types for all positions of its electrical system, like headlights, fog lights, brake lights, side markers, etc. If you want to upgrade the headlights, the aftermarket bulb you select has to be the exact size your 2020 Chevrolet Blazer requires to fit into the housing and match the wattage and voltage specifications. Pay special attention to the marking and make sure the bulb is “DOT” compliant to avoid legal issues.





Reviewed by Brent Ordway

Brent Ordway is an ASE-certified car technician. He has been working on cars since he was a teenager and loved helping people keep their vehicles running smoothly. Brent's skills as a mechanic are unrivaled. In 2022, he earned his place on the list of winners for the ASE Master Automobile Technician of the Year award.

Follow me

Chevrolet Blazer Bulb Chart By Years


Join Us