null

Kenworth T600 LED Headlights

If you’re looking to upgrade or replace the headlights on your Kenworth T600, it’s important to find the right fit for both functionality and style. Start by choosing the type of headlights you need—whether it’s LED options with Daylight Running Lights (DRL) for improved visibility or traditional sealed beam headlights compatible with models like H4651 or H4656. You’ll also want to consider the look you’re going for, with options like sleek blackout designs or classic chrome finishes to match your truck’s style. At 4 State Trucks, you can choose from a range of affordable aftermarket headlights or OEM-style replacements that match factory specifications perfectly. For added performance, look for headlights with dual-function high/low beams or enhanced brightness.
  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • FREE SHIPPING OVER $249
    BESTfit Dual Square Headlight Assembly For Peterbilt, Kenworth, Freightliner, Western Star

    BESTfit Dual Square Headlight Assembly For Peterbilt, Kenworth, Freightliner, Western Star

    BESTFIT TRUCK PARTS

    $104.99
    Illuminate your path with the BESTfit Dual Square Headlight Assembly, designed for Peterbilt, Kenworth, Freightliner, and Western Star trucks. Constructed from high-quality materials, this assembly...
    PPR_761
    SKU:
    PPR_761
    Truck Class:
    Heavy Duty
    Shape Options:
    Rectangular
    Make:
    Freightliner
    Make:
    Western Star
    Make:
    Volvo
    Make:
    Peterbilt
    Make:
    Kenworth
    Product Type:
    Lighting
    Position:
    Driver Side
    Style Options:
    Chrome Housing
    Ready To Ship:
    Yes
    $104.99
    Qty in Cart: 0
    Price:
    $104.99
    Subtotal:
  • FREE SHIPPING OVER $249
    4 X 6 Inch Chrome Rectangular Super Bright LED High/Low Beam Headlight

    4 X 6 Inch Chrome Rectangular Super Bright LED High/Low Beam Headlight

    UNITED PACIFIC

    $46.00
    1 Piece Rectangular 4X6 Inch LED Headlight With Chrome Housing* High Quality Headlight* 4 Inch X 6 Inch * Super Bright* 3 Watt LED Dual Function* Works On Any 10V-30V Applications * Rugged Die Cast...
    29-1606159
    SKU:
    29-1606159
    Truck Class:
    Heavy Duty
    Make:
    Freightliner
    Make:
    Kenworth
    Make:
    Ford
    Make:
    Isuzu
    Make:
    Western Star
    Make:
    Chevrolet
    Make:
    GMC
    Make:
    International
    Make:
    Peterbilt
    Make:
    Volvo
    Product Type:
    Lighting
    Ready To Ship:
    Yes
    $46.00
    Qty in Cart: 0
    Price:
    $46.00
    Subtotal:
  • FREE SHIPPING OVER $249
    Peterbilt, Kenworth, Freightliner, Western Star Chrome Dual Rectangular Headlight Bezel W/ Visor

    Peterbilt, Kenworth, Freightliner, Western Star Chrome Dual Rectangular Headlight Bezel W/ Visor

    UNITED PACIFIC

    $24.63
    Rectangular Headlight Bezel W/ VisorDo you need a double headlight bezel with visor? 4 State Trucks carries the United Pacific Industries chrome-plated plastic dual square headlight bezels to add...
    09-1606004
    SKU:
    09-1606004
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Shape Options:
    Rectangular
    Make:
    Volvo
    Make:
    Peterbilt
    Make:
    Kenworth
    Make:
    Freightliner
    Make:
    Western Star
    Finish Options:
    Chrome-Plated
    Product Type:
    Lighting
    Ready To Ship:
    Yes
    $24.63
    Qty in Cart: 0
    Price:
    $24.63
    Subtotal:
  • FREE SHIPPING OVER $249
    Chrome Dual Rectangular Headlight Bezel - Replaces 16-07538, 3-2048-3, K307-30, RKLB001 For Freightliner, Kenworth, Peterbilt

    Chrome Dual Rectangular Headlight Bezel - Replaces 16-07538, 3-2048-3, K307-30, RKLB001 For Freightliner, Kenworth, Peterbilt

    UNITED PACIFIC

    $16.53
    Chrome-Plated Plastic Dual Rectangular Headlight BezelReplace the existing bezel on your headlight with this plain chrome plated plastic bezel. It fits most dual 4 X 6-inch headlight systems...
    09-1606077
    SKU:
    09-1606077
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Make:
    Kenworth
    Make:
    Freightliner
    Make:
    Western Star
    Make:
    Peterbilt
    Make:
    Mack
    Finish Options:
    Chrome-Plated
    Product Type:
    Lighting
    Length Options:
    1 3/4 Inch
    Shape Options:
    Rectangular
    Width Options:
    16 1/16 Inch
    Height Options:
    7 Inch
    Ready To Ship:
    Yes
    $16.53
    Qty in Cart: 0
    Price:
    $16.53
    Subtotal:
  • FREE SHIPPING OVER $249
    Dual Headlight Chrome Bezel W/ Visor, Amber LED Strip

    Dual Headlight Chrome Bezel W/ Visor, Amber LED Strip

    UNITED PACIFIC

    $36.51 - $44.57
    Add more shine with the chrome dual headlight bezel with visor and amber LED strip, a high-quality accessory designed for trucks equipped with dual square headlights, fitting most 4- by 6-inch...
    PPR_201782
    SKU:
    PPR_201782
    Truck Class:
    Universal
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Truck Class:
    Heavy Duty
    Make:
    International
    Make:
    Western Star
    Make:
    Ford
    Make:
    Mack
    Make:
    Kenworth
    Make:
    Freightliner
    Make:
    Peterbilt
    Product Type:
    Lighting
    Ready To Ship:
    Yes
    Color:
    Amber
    Location:
    Made In USA
    Color:
    Amber/Clear
    Shape Options:
    Square
    Color:
    White
    Height Options:
    4 Inch
    Width Options:
    6 Inch
    $36.51 - $44.57
    Qty in Cart: 0
    Price:
    $36.51 - $44.57
    Subtotal:
  • FREE SHIPPING OVER $249
    4 X 6 Inch Rectangular Crystal Halogen Headlight With High Beam & Low Beam Function For Freightliner, Kenworth & Peterbilt

    4 X 6 Inch Rectangular Crystal Halogen Headlight With High Beam & Low Beam Function For Freightliner, Kenworth & Peterbilt

    UNITED PACIFIC

    $41.47 - $42.31
    Elevate your truck with this 4??6?inch rectangular crystal halogen headlight, a high-quality aftermarket replacement designed to fit a wide range of heavy-duty trucks that use 4 6 headlights,...
    PPR_200900
    SKU:
    PPR_200900
    Truck Class:
    Heavy Duty
    Make:
    Freightliner
    Make:
    Kenworth
    Make:
    Peterbilt
    Shape Options:
    Rectangular
    Product Type:
    Lighting
    Material Options:
    Glass
    Height Options:
    4 Inch
    Width Options:
    6 Inch
    Location:
    Made In USA
    Style Options:
    Halogen
    Ready To Ship:
    Yes
    $41.47 - $42.31
    Qty in Cart: 0
    Price:
    $41.47 - $42.31
    Subtotal:
  • FREE SHIPPING
    Chrome Dual Square LED Projection Headlight With Auxiliary Halo Rings & Amber LED Turn Signal

    Chrome Dual Square LED Projection Headlight With Auxiliary Halo Rings & Amber LED Turn Signal

    TRUX ACCESSORIES

    $397.99
    Choose Option(s) to see description.Fitment* Fits Freightliner FLC120 1985 thru 1988* Fits Freightliner Classic 120 1990 thru 2010* Fits Freightliner Classic XL 132 1990 thru 2010* Fits Freightliner...
    PPR_23842
    SKU:
    PPR_23842
    Truck Class:
    Heavy Duty
    Shape Options:
    Rectangular
    Make:
    Kenworth
    Make:
    Peterbilt
    Material Options:
    Plastic/Poly
    Color:
    Amber/White
    Make:
    Ford
    Make:
    Western Star
    Make:
    International
    Make:
    Freightliner
    Make:
    Mack
    Product Type:
    Lighting
    Ready To Ship:
    Yes
    $397.99
    Qty in Cart: 0
    Price:
    $397.99
    Subtotal:
  • FREE SHIPPING
    Blackout Dual Square LED Projection Headlight W/ Auxiliary Halo Rings & Amber LED Turn Signal

    Blackout Dual Square LED Projection Headlight W/ Auxiliary Halo Rings & Amber LED Turn Signal

    TRUX ACCESSORIES

    $397.99
    The blackout dual square LED projection headlight with auxiliary halo rings and amber LED turn signal is a high-quality aftermarket replacement headlight assembly designed to fit a wide range of...
    PPR_200018
    SKU:
    PPR_200018
    Truck Class:
    Heavy Duty
    Shape Options:
    Rectangular
    Make:
    Peterbilt
    Make:
    Kenworth
    Material Options:
    Plastic/Poly
    Color:
    Amber/White
    Product Type:
    Lighting
    Ready To Ship:
    Yes
    $397.99
    Qty in Cart: 0
    Price:
    $397.99
    Subtotal:
  • FREE SHIPPING OVER $249
    LED Reflector Headlight W/ Black Aluminum Housing 4 X 6 Inch

    LED Reflector Headlight W/ Black Aluminum Housing 4 X 6 Inch

    TRUX ACCESSORIES

    $193.99 - $703.99
    Enhance your rig's visibility with the 4 x 6 Inch LED Reflector Headlight with black aluminum housing. Choose high beam, low beam, or a 4-pack set with 2 high and 2 low beams to suit your needs...
    PPR_200894
    SKU:
    PPR_200894
    Truck Class:
    Heavy Duty
    Shape Options:
    Rectangular
    Product Type:
    Lighting
    Ready To Ship:
    Yes
    Width Options:
    6 1/8 Inch
    Length Options:
    4 1/8 Inch
    Height Options:
    3 1/2 Inch
    Style Options:
    Aluminum Housing
    Material Options:
    Plastic/Poly
    Lumens:
    1001 to 2000 Lumens
    Make:
    Universal Items
    $193.99 - $703.99
    Qty in Cart: 0
    Price:
    $193.99 - $703.99
    Subtotal:
  • FREE SHIPPING OVER $249
    4 X 6 Inch LED Projection Headlight

    4 X 6 Inch LED Projection Headlight

    TRUX ACCESSORIES

    $239.99
    This 4?X?6?inch LED projection headlight is a DOT compliant aftermarket lighting option designed to replace worn rectangular headlights on a wide range of trucks, including Freightliner Classics,...
    PPR_200892
    SKU:
    PPR_200892
    Truck Class:
    Heavy Duty
    Shape Options:
    Rectangular
    Make:
    Chevrolet
    Make:
    International
    Make:
    Peterbilt
    Make:
    GMC
    Make:
    Mack
    Make:
    Freightliner
    Make:
    Kenworth
    Make:
    Western Star
    Make:
    Ford
    Make:
    Isuzu
    Make:
    Volvo
    Material Options:
    Aluminum
    Product Type:
    Lighting
    Ready To Ship:
    Yes
    $239.99
    Qty in Cart: 0
    Price:
    $239.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Driver/Passenger Side Dual Rectangular Headlight Assembly For Kenworth, Freightliner & Peterbilt

    Driver/Passenger Side Dual Rectangular Headlight Assembly For Kenworth, Freightliner & Peterbilt

    BESTFIT TRUCK PARTS

    $131.99
    Make your lighting system stand out even more with the Driver/Passenger Side Dual Square Headlight Assembly, designed for select heavy-duty models. This aftermarket headlight assembly includes dual...
    PPR_203420
    SKU:
    PPR_203420
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Make:
    Kenworth
    Product Type:
    Lighting
    Position:
    Passenger Side
    Height Options:
    4 Inch
    Width Options:
    6 Inch
    Shape Options:
    Rectangular
    Position:
    Driver Side
    Make:
    Freightliner
    Ready To Ship:
    Yes
    $131.99
    Qty in Cart: 0
    Price:
    $131.99
    Subtotal:
  • FREE SHIPPING OVER $249
    High Power LED Headlight 4 X 6 Inch W/ Polycarbonate Lens & Housing

    High Power LED Headlight 4 X 6 Inch W/ Polycarbonate Lens & Housing

    UNITED PACIFIC

    $64.99
    Upgrade nighttime visibility with these high power LED 4 x 6 inch headlights, available in both high beam and low beam options for a complete lighting solution. Built with a durable polycarbonate...
    PPR_205117
    SKU:
    PPR_205117
    Truck Class:
    Heavy Duty
    Make:
    Chevrolet
    Make:
    International
    Make:
    Peterbilt
    Make:
    GMC
    Make:
    Mack
    Make:
    Freightliner
    Make:
    Kenworth
    Make:
    Western Star
    Make:
    Ford
    Make:
    Isuzu
    Make:
    Volvo
    Material Options:
    Plastic/Poly
    Shape Options:
    Rectangular
    Lumens:
    501 to 1000 Lumens
    Product Type:
    Lighting
    Ready To Ship:
    Yes
    $64.99
    Qty in Cart: 0
    Price:
    $64.99
    Subtotal:
  • FREE SHIPPING OVER $249
    4 X 6 Inch Rectangular 12-24V High Beam & Low Beam LED Headlights

    4 X 6 Inch Rectangular 12-24V High Beam & Low Beam LED Headlights

    OPP - ORIGINAL PARTS PROGRAM

    $243.99 - $257.99
    A 4??6?inch rectangular 12?24?V high?beam and low?beam LED headlight is a direct?fit replacement designed to work in classic and heavy?duty trucks that use standard 4??6 sealed?beam style units,...
    PPR_200898
    SKU:
    PPR_200898
    Truck Class:
    Heavy Duty
    Shape Options:
    Rectangular
    Make:
    Ford
    Make:
    Isuzu
    Make:
    Volvo
    Make:
    Chevrolet
    Make:
    International
    Make:
    Peterbilt
    Make:
    GMC
    Make:
    Mack
    Make:
    Freightliner
    Make:
    Kenworth
    Make:
    Western Star
    Product Type:
    Lighting
    Ready To Ship:
    Yes
    $243.99 - $257.99
    Qty in Cart: 0
    Price:
    $243.99 - $257.99
    Subtotal:
  • Chrome Rectangular Dual Headlight Bezel W/ 14 LED Light Bar For Freightliner, Kenworth, Peterbilt & Western Star

    Chrome Rectangular Dual Headlight Bezel W/ 14 LED Light Bar For Freightliner, Kenworth, Peterbilt & Western Star

    UNITED PACIFIC

    $36.26 - $59.99
    Choose Option(s) to see description.Fitment* Fits Freightliner FLC120 1980 thru 1988* Fits Freightliner Classic 120 1990 thru 2010* Fits Freightliner Classic XL 132 1990 thru 2010* Fits Freightliner...
    PPR_206480
    SKU:
    PPR_206480
    Color:
    Blue
    Material Options:
    Plastic/Poly
    Color:
    Red
    Truck Class:
    Heavy Duty
    Color:
    Green
    Shape Options:
    Rectangular
    Color:
    Amber
    Finish Options:
    Chrome-Plated
    Truck Class:
    Universal
    Make:
    Kenworth
    Make:
    Universal Items
    Make:
    Peterbilt
    Make:
    Freightliner
    Make:
    Western Star
    Product Type:
    Lighting
    Ready To Ship:
    Yes
    $36.26 - $59.99
    Qty in Cart: 0
    Price:
    $36.26 - $59.99
    Subtotal:
  • FREE SHIPPING OVER $249
    4 X 6 Inch Heated High Beam LED Headlight With Ambient Thermostat Heat Activation

    4 X 6 Inch Heated High Beam LED Headlight With Ambient Thermostat Heat Activation

    UNITED PACIFIC

    $89.99
    The 4 x 6 inch heated high beam LED headlight featuring ambient thermostat heat activation. Built with a durable chrome-plated housing and a sealed LED assembly, this headlight is engineered to...
    PPR_203252
    SKU:
    PPR_203252
    Truck Class:
    Heavy Duty
    Make:
    Freightliner
    Make:
    Kenworth
    Make:
    Western Star
    Make:
    Ford
    Make:
    Isuzu
    Make:
    Volvo
    Make:
    Chevrolet
    Make:
    International
    Make:
    Peterbilt
    Make:
    GMC
    Make:
    Mack
    Shape Options:
    Rectangular
    Type Options:
    Heated
    Product Type:
    Lighting
    Ready To Ship:
    Yes
    $89.99
    Qty in Cart: 0
    Price:
    $89.99
    Subtotal:
  • FREE SHIPPING
    4 X 6 Inch High Power LED Chrome Projection Headlight With LED Turn Signal, Position Light Bar

    4 X 6 Inch High Power LED Chrome Projection Headlight With LED Turn Signal, Position Light Bar

    UNITED PACIFIC

    $299.99
    The 4 x 6 inch high power LED chrome or blackout projection headlight with LED turn signal and position light bar is a heavy-duty solution designed for a wide range of trucks that use dual...
    PPR_202868
    SKU:
    PPR_202868
    Truck Class:
    Heavy Duty
    Make:
    Freightliner
    Make:
    Kenworth
    Make:
    Western Star
    Make:
    Ford
    Make:
    Isuzu
    Make:
    Volvo
    Make:
    Chevrolet
    Make:
    International
    Make:
    Peterbilt
    Make:
    GMC
    Make:
    Mack
    Material Options:
    Plastic/Poly
    Product Type:
    Lighting
    Ready To Ship:
    Yes
    $299.99
    Qty in Cart: 0
    Price:
    $299.99
    Subtotal:
  • FREE SHIPPING
    4 X 6 Inch Chrome Model 8800 Evolution 2 LED Low Beam Headlight

    4 X 6 Inch Chrome Model 8800 Evolution 2 LED Low Beam Headlight

    AFTERMARKET

    $437.99
    Low Beam Heated 4 X 6 Headlight With Chrome Bezel* High Quality Headlights* 4 Inch X 6 Inch* 12-24V DOT/ECE LED Low Beam* Heated With Chrome Bezel* Outer Lens Material- Hardcoated Polycarbonate*...
    29-1606172
    SKU:
    29-1606172
    Color:
    Black
    Truck Class:
    Heavy Duty
    Lumens:
    2001 to 4999 Lumens
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Lighting
    $437.99
    Qty in Cart: 0
    Price:
    $437.99
    Subtotal:
  • FREE SHIPPING
    4 X 6 Inch Model 8800 Evolution 2 LED Headlights

    4 X 6 Inch Model 8800 Evolution 2 LED Headlights

    AFTERMARKET

    $437.99
    Heated Headlight W/ Chrome Bezel, Clear Outer Lens Color* High Quality Headlights* 4 X 6* 12-24V DOT/ECE LED High Beam* Heated With Chrome Bezel* Outer Lens Material- Hardcoated Polycarbonate* Outer...
    29-1606173
    SKU:
    29-1606173
    Lumens:
    2001 to 4999 Lumens
    Color:
    Black
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Lighting
    $437.99
    Qty in Cart: 0
    Price:
    $437.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Dual Rectangular Headlight Bezel W/ Visor For Peterbilt, Kenworth, Freightliner & Western Star

    Dual Rectangular Headlight Bezel W/ Visor For Peterbilt, Kenworth, Freightliner & Western Star

    LIFETIME NUT COVERS

    $64.99
    Dual Rectangular Headlight Bezel W/ VisorThis chrome headlight bezel fits various Peterbilt, Kenworth, Freightliner, and Western Star truck models with dual rectangular headlights. It is for dual...
    29-160603
    SKU:
    29-160603
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Shape Options:
    Square
    Material Options:
    Plastic/Poly
    Make:
    Kenworth
    Make:
    Freightliner
    Make:
    Western Star
    Make:
    Peterbilt
    Finish Options:
    Chrome-Plated
    Product Type:
    Lighting
    Ready To Ship:
    Yes
    $64.99
    Qty in Cart: 0
    Price:
    $64.99
    Subtotal:
  • FREE SHIPPING OVER $249
    4 X 6 Inch 750 Lumen Heated LED Low Beam Headlight

    4 X 6 Inch 750 Lumen Heated LED Low Beam Headlight

    UNITED PACIFIC

    $124.99
    750 Lumen LED Low Beam 4 X 6 Inch Heated Headlight* High Quality Headlight* Polycarbonate Lens And Housing* Dimensions  - 6 Inch Length  - 4 Inch Height* 750 Lumens Low Beam * 12 Volts, And 24 Volts...
    29-160600374
    SKU:
    29-160600374
    Truck Class:
    Heavy Duty
    Make:
    Freightliner
    Make:
    Kenworth
    Make:
    Western Star
    Make:
    Ford
    Make:
    Isuzu
    Make:
    Volvo
    Make:
    Chevrolet
    Make:
    International
    Make:
    Peterbilt
    Make:
    GMC
    Make:
    Mack
    Product Type:
    Lighting
    Ready To Ship:
    Yes
    $124.99
    Qty in Cart: 0
    Price:
    $124.99
    Subtotal:
  • Total: items /

Adding your products to cart

Upgrade Your T600 Front End Visibility With LED Projector Headlights & Mount Hardware

If your Kenworth T600 is still running strong, don't let old, dull headlights hold you back. Whether you're running overnight hauls or just want to upgrade your rig's style, our lineup of aftermarket headlights has what you need to light up the road, and turn a few heads while you're at it. Choose from classic crystal lens styles, modern LED projector beams, or bold chrome housings with integrated turn signals and halo rings. These headlights deliver better visibility, longer life, and a sharp new look, all in one easy-to-install package.

Why Upgrade Your T600 Headlights?

- Improved Night Visibility: Brighter beams help you see farther and react faster, especially in low-light or bad weather. - Modern Style: Give your T600 a fresh, aggressive look with chrome bezels, halo accents, or blackout finishes. - Built to Last: Weather-resistant, corrosion-proof materials stand up to long miles and rough roads. - Easy Install: Most are plug-and-play, no complicated wiring or custom brackets required.

Find Headlight Bezels, Housings & More

- LED projector headlights with crisp beam focus - Classic crystal lens replacements - Chrome and black housing options - Integrated turn signals and position lights - Halo ring accents for a custom edge - Driver side, passenger side, and complete kits available Whether you're swapping out damaged lights or T600 front-bumper parts, or you're going for a style improvement, these headlights and headlight accessories deliver. Reliable, stylish, and ready for the road. Pair your purchase with Kenworth T600 driving lights and T600 LED clearance lights for more nighttime visibility. don't drive another mile with weak headlights. Upgrade today and see the road, and your rig, in a whole new light.

Frequently Asked Questions About Kenworth T600 LED Headlights

Will these LED headlights fit my specific year Kenworth T600?

Our LED headlights are designed to fit Kenworth T600 models from 1994 to 2007. They use the standard 7-inch round sealed beam pattern with H6024 or H6054 housing compatibility. If your T600 has rectangular headlights (some early 1990s models), you'll need rectangular LED conversions instead. Always verify your current headlight size before ordering - measure across the face of your existing headlight to confirm the 7-inch diameter.

Do I need any special wiring or adapters to install LED headlights in my T600?

Most of our LED headlights are plug-and-play with the standard H4 three-prong connector found in T600s. However, some trucks may require an anti-flicker harness or load resistor to prevent hyperflashing or dashboard warning lights. If your T600 has daytime running lights (DRL), you may need a DRL decoder. The installation typically takes 30-45 minutes per side with basic hand tools - no cutting or splicing required for standard applications.

What's the real difference in brightness between LED and my stock halogen headlights?

LED headlights typically produce 3,000-4,000 lumens per bulb compared to 1,000-1,400 lumens from standard halogen sealed beams. This translates to approximately 200-300% more usable light on the road. The light pattern is also whiter (5,000-6,000K color temperature) versus the yellowish halogen output, providing better contrast and visibility in rain, fog, and night driving conditions. Most drivers report seeing road signs and markers 100-200 feet sooner with LEDs.

How long do these LED headlights actually last, and what about warranty coverage?

Quality LED headlights are rated for 30,000-50,000 hours of operation, compared to 500-1,000 hours for halogen bulbs. In practical terms, this means 10-15 years of typical commercial driving. Most manufacturers offer 2-3 year warranties, with some premium brands extending to 5 years. Common failure points include moisture intrusion and heat sink degradation, so look for units with IP67 waterproof ratings and aluminum heat sinks rather than plastic.

Will LED headlights work in extreme cold weather conditions?

Unlike halogen bulbs that generate significant heat, LEDs run cooler and may not melt snow and ice buildup on the lens surface during winter driving. This is especially important for T600 drivers in northern climates. Some LED models include heated lens technology, but most don't. Many drivers keep their original halogens for severe winter conditions or carry de-icing spray. LEDs themselves function excellently in cold weather - actually performing better in low temperatures - but ice accumulation on the lens can be a consideration.


Introducing the Official 4 State Trucks Mobile App – Gear Up On the Go!