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2018-2021 Jeep Grand Cherokee | Bulb Size Chart (Headlights, Fogs & More)

Last updated: October 4, 2022

In this guide, we'll help you quickly and easily find the replacement bulb size(s) you need for your 2018, 2019, 2020, and 2021 Jeep Grand Cherokee (4th Generation WK2). From the headlamps to the tail lights and everything in between.

The 4th Gen. Grand Cherokee WK2 was made with two headlight versions. One with factory halogens and a second with factory HIDs. Each version uses different bulbs and so we make the distinction in our size charts below.

This guide covers all sub-models (Grand Cherokee and Grand Cherokee L) and trims (Freedom, Altitude, High Altitude, Laredo, Limited, North, 80th Anniversary, Sterling Edition, Overland, Upland, SRT, Summit, Trackhawk, and Trailhawk) throughout these 4 years.

We organized all the bulbs into 5 lighting categories with easy-to-read charts. Select any of the categories below to jump right to the bulb size chart you're looking for:

Headlight Bulb Sizes
Fog Light Bulb Sizes
Brake & Tail Light Sizes
Turn Signal & Marker Bulb Sizes
All Other Bulb Sizes
Bulb Size Summary
Upgrading Your Bulbs (Popular!)
Installation Video
Owner Manuals
FAQ's

💡 TIP: Did you know that you can upgrade your headlight and fog light bulbs on your Jeep Grand Cherokee? Get up to 300% more light with LED or HID bulbs. Learn more below the size charts!

️⭐ NOTE: This guide only applies to 2018 to 2021 Jeep Grand Cherokee WK2 with the original factory (OEM) assemblies. If you have aftermarket headlights, fog lights, brake lights, etc. you will need different bulb sizes as per the manufacturer's specifications.

🎯 ACCURACY: If you notice any inaccuracies or missing information, please let us know so we can update the guide. Providing accurate and complete information is important to us and our readers.

🚧 IMPORTANT: Automotive light bulbs are vehicle-specific! Follow this guide, review your owner's manual or contact your dealership to make sure you're buying the right bulbs to avoid fitment issues.

2018 to 2021 Jeep Grand Cherokee - Headlight Bulb Sizes (Low & High Beam)

Position	Bulb	Type	Upgrade Avail.
Low Beam Headlights	H11	Halogen	Yes
High Beam Headlights	H9	Halogen	Yes
Low + High Beam Headlights*	D3S	HID	No

Year Range 2018, 2019, 2020, and 2021.

*Model with factory HID headlamps

2018 to 2021 Jeep Grand Cherokee - Fog Light Bulb Sizes

Position	Bulb	Type	Upgrade Avail.
Fog Light	H11	Halogen	Yes

Year Range 2018, 2019, 2020, and 2021.

2018 to 2021 Jeep Grand Cherokee - Brake & Tail Lights Bulb Sizes

Position	Bulb	Type	Upgrade Avail.
Brake Light (Rear)	3156 (3157)	Halogen	Yes
Brake Light (High-Mounted)	LED	LED	No
Reverse Light (Outter)	7440 (7443)	Halogen	Yes
Reverse Light (Inner)	912 (921)	Halogen	Yes
Tail Light	3156 (3157)	Halogen	Yes

Year Range 2018, 2019, 2020, and 2021.
Factory LED lights cannot be changed or upgraded. Please visit an authorized dealer for service.

2018 to 2021 Jeep Grand Cherokee - Turn Signal & Marker Bulb Sizes

Position	Bulb	Type	Upgrade Avail.
Turn Signal Bulb (Front)	7440 (7443) or LED	Halogen	Yes
Turn Signal Bulb (Rear)	3156 (3157)	Halogen	Yes
Parking Light	7440 (7443) or LED	Halogen	Yes
Side Marker (Front)	194 (168)	Halogen	Yes
Side Marker (Rear)	LED	LED	No

Year Range 2018, 2019, 2020, and 2021.
Factory LED lights cannot be changed or upgraded. Please visit an authorized dealer for service.

2018 to 2021 Jeep Grand Cherokee - All Other Bulb Sizes

Position	Bulb	Type	Upgrade Avail.
Check Engine Light	74 (79)	Halogen	Yes
Courtesy Light	194 (168)	Halogen	Yes
Glove Box Light	194 (168)	Halogen	Yes
High Beam Indicator Light	74 (79)	Halogen	Yes
Instr. Panel Light	74 (79)	Halogen	Yes
Parking Brake Ind. Light	74 (79)	Halogen	Yes
Seat Belt Light	74 (79)	Halogen	Yes
Stepwell Light	194 (168)	Halogen	Yes
Trunk/Cargo Light	214-2	Halogen	Yes
Turn Signal Indicator Light	74 (79)	Halogen	Yes

Year Range 2018, 2019, 2020, and 2021.

2018 to 2021 Jeep Grand Cherokee LED/HID Bulb Size Summary

Year Range	2018, 2019, 2020, 2021
Low Beam Headlights	H11
High Beam Headlights	H9
Low + High Beam Headlights	D3S
Fog Light	H11
Brake Light (Rear)	3156 (3157)
Reverse Light (Outter)	7440 (7443)
Reverse Light (Inner)	912 (921)
Tail Light	3156 (3157)
Turn Signal Bulb (Front)	7440 (7443)
Turn Signal Bulb (Rear)	3156 (3157)
Parking Light	7440 (7443)
Side Marker (Front)	194 (168)
Check Engine Light	74 (79)
Courtesy Light	194 (168)
Glove Box Light	194 (168)
High Beam Indicator Light	74 (79)
Instr. Panel Light	74 (79)
Parking Brake Ind. Light	74 (79)
Seat Belt Light	74 (79)
Stepwell Light	194 (168)
Trunk/Cargo Light	214-2
Turn Signal Indicator Light	74 (79)

All sub-models and trims: Freedom, Altitude, High Altitude, Laredo, Limited, North, 80th Anniversary, Sterling Edition, Overland, Upland, SRT, Summit, Trackhawk, and Trailhawk.

Upgrade Your Headlight Bulbs On Your 2018-2021 Jeep Grand Cherokee

Looking to improve the lights on your 2018-2021 Jeep Grand Cherokee with better, brighter, and more durable lighting? At XenonPro.com, we developed LED and HID bulbs that fit right into your vehicle. With the same design and plugs, our bulbs are incredibly easy to install and will improve your light output by up to 300%.

Discover our award-winning lighting products backed by our Lifetime Warranty:

Check out some of our most popular guides:

Discover some related topics:

Headlight Bulb Replacement Video - 2018-2021 Jeep Grand Cherokee (4th Generation WK2)

Check out this super helpful video on how to change your headlight bulbs in your 2018 to 2021 Jeep Grand Cherokee the easy way. Some other videos will tell you to go through the wheel well or to take out your assemblies, but it's unnecessarily complicated and time-consuming. You'll need the following tools for this method:

Flat screwdriver
Latex gloves

Owner Manuals 2018 to 2021 Jeep Grand Cherokee

Need more information about bulb sizes, how to change the bulbs, or simply need the owner's manual? Find it below:

FAQ

Can this guide be applied to 2019 or 2020 Jeep Grand Cherokee?

Yes. This guide applies to all years from 2018 through 2021 Jeep Grand Cherokee sub-models and trims (Freedom, Altitude, High Altitude, Laredo, Limited, North, 80th Anniversary, Sterling Edition, Overland, Upland, SRT, Summit, Trackhawk, and Trailhawk).

What type of bulbs do you recommend for my 2018-2021 Jeep Grand Cherokee?

If you do a lot of nighttime driving or have difficulty seeing at night, we recommend upgrading from halogen to either LED or HID bulbs. They will produce more light and last longer than replacement bulbs.

Discover how you can put LED or HID bulbs in your factory headlights.

Can I change the bulbs on my 2018-2021 Jeep Grand Cherokee myself?

Yes. Changing halogen bulbs is quite easy for the most part. We strongly advise finding How-To videos online for the specific bulb(s) you wish to change and consult the Owner's Manual for additional help.

For any factory LED bulbs, you will need to visit an authorized Jeep dealer. You cannot change them yourself.

I purchased aftermarket assemblies for my Jeep Grand Cherokee, can I use this guide?

No. Aftermarket assemblies typically use different bulb sizes. Consult with the assembly manufacturer for the right bulb size(s).

Sources:

Disclaimer: The information contained on this page is provided free of charge to our visitors. It was prepared to the best of our abilities and with all the information available to us at the time of writing. We reserve the right to change, remove or update any information contained on this page at any time and without notice to improve its accuracy. The most reliable method to determine the bulb size is by pulling your actual bulb(s) and reading the part number indicated directly on the bulb. The information compiled on this page comes with no guarantees or warranties.