2015-2019 Chevy Silverado Bulb Size Fitment (2021 Update)｜Lasfit – Lasfit®

Alex Thompson

Alex Thompson is a Senior Product Specialist and automotive lighting tech blogger at Lasfit. With over 8 years of product development experience in the automotive aftermarket industry, he is dedicated to helping vehicle owners find their perfect upgrade through in-depth product reviews and practical installation guides, empowering them to enhance their driving experience safely and effectively.

Welcome to the ultimate LED bulb size guide for 2015-2026 Chevy Silverado 2500/3500 models! This guide is tailored for Silverado owners looking to upgrade their OEM halogen bulbs to high-performance LED bulbs for enhanced visibility, safety, and style. Whether you're replacing a worn-out bulb or looking for a brighter, energy-efficient upgrade, this guide provides the essential bulb sizes and LED replacement options to ensure your Silverado shines brighter on the road. Please note, this guide is specifically for Silverado 2500/3500 models equipped with OEM halogen bulbs—if your vehicle already features LED bulbs, this guide will not apply.

Chevy Silverado 2500 3500 Headlight Bulb Size (Low Beam & High Beam)

Position	Type	Bulb Size	Lasfit LED Upgrade	Fitment Details
Headlight Bulb (Low Beam)	Halogen	H11	Available	For 2015-2019 Chevy Silverado 2500 3500 HD WT/LT(NO FOG)/LT/LTZ/High Country
Headlight Bulb (Low Beam)	Halogen	H11	Available	For 2020-2024 Chevy Silverado 2500 3500 HD Custom/WT/LT(NO FOG)/LTZ/High Country
Headlight Bulb (Low Beam)	Halogen	H11	Available	For 2025-2026 Chevy Silverado 2500 3500 HD Custom/WT/LT(NO FOG)/LTZ/High Country
Headlight Bulb (High Beam)	Halogen	9005	Available	For 2015-2019 Chevy Silverado 2500 3500 HD WT/LT(NO FOG)/LT/LTZ/High Country
Headlight Bulb (High Beam)	Halogen	H11	Available	For 2020-2026 Chevy Silverado 2500 3500 HD Custom/WT/LT(NO FOG)/LTZ/High Country

Applicable for 2015-206 Chevy Silverado 2500 3500 HD models.

Chevy Silverado 2500 3500 Fog Light Bulb Size

Position	Type	Bulb Size	Lasfit LED Upgrade	Fitment Details
Fog Lights	Halogen	5202	Available	For 2015-2019 Chevy Silverado 2500 3500 LT/LTZ/High Country
Fog Lights	LED	/	No	For 2020-2026 Chevy Silverado 2500 3500 LTZ/High Country/Custom/ZR2

Applicable for 2015, 2016, 2017, 2018, 2019, to 2020 Chevy Silverado 2500 3500 models.
Lasfit LED fog light bulb replacements are available only for Chevy Silverado 2500 3500 models that come with factory halogen fog lights.

Chevy Silverado 2500 3500 Turn Signal Bulb Size

Position	Type	Bulb Size	Lasfit LED Upgrade	Fitment Details
Turn Signal (Front)	Halogen	7443	Available	For 2015-2019 Chevy Silverado 2500 3500 Custom/ WT/LT(NO FOG)/LT/LTZ/High Country
Turn Signal (Front)	Halogen	7443	Available	For 2020-2026 Chevy Silverado 2500 3500 WT/LT(NO FOG)/LTZ/High Country/Custom

Applicable for 2015-2026 Chevy Silverado 2500 3500 models.

Chevy Silverado 2500 3500 All Other Light Bulb Size

Position	Type	Bulb Size	Lasfit LED Upgrade	Fitment Details
Back Up Light	Halogen	921	Available	For 2015-2019 Chevy Silverado LT/LTZ/High Country/WT/LT(No Fog)
Back Up Light	Halogen	921	Available	For 2020-2026 Chevy Silverado LT/LTZ/High Country/WT/LT(No Fog)
3rd Brake Light	Halogen	921	Available	For 2015-2019 Chevy Silverado 2500 3500 LT/LTZ/High Country/WT/LT(No Fog)
Cargo Light	Halogen	921	Available	For 2015-2019 Chevy Silverado 2500 3500 LT/LTZ/High Country/WT/LT(NO FOG)
License Plate Ligh	Halogen	168/194	Available	All

Applicable for 2015-2026 Chevy Silverado models.

2015-2019 Chevy Silverado 2500 3500 Bulb Size Guide

Upgrade Your 2015-2019 Chevy Silverado 2500 3500 with Lasfit All Combo Pack LED Bulbs

Position	Type	Bulb Size
Headlight Bulb (Low Beam)	Halogen	H11
Headlight Bulb (High Beam)	Halogen	9005
Fog Light	Halogen	5202
Turn Signal (Front)	Halogen	7443
Backup Light	Halogen	921
Cargo Light	Halogen	921
3rd Brake Light	Halogen	921
License Plate Light	Halogen	168/194

2015-2019 Chevy Silverado 2500 3500 LED Bulb Upgrade Gallery

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LED Reverse Lights Upgrade for Chevy Silverado

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2020-2026 Chevrolet Silverado HD 2500/3500 WT LT Custom Bulb Size

Upgrade Your 2020-2026 Chevy Silverado 2500 3500 with Lasfit All Combo Pack LED Bulbs

Location	Type	Bulb Size
Headlight Low Beam	Halogen	H11
Headlight High Beam	Halogen	H11
Front Turn Signal Light	Halogen	7440/7443
Backup Light	Halogen	921
License Plate Light	Halogen	168/194