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Quick guide: beam, heating and installation parts

Choose your beam

Match low beam, high beam or a combined high/low lamp to its position in your headlight system.

Compare heated options

Check the exact model’s heated-lens specification when shopping for cold-weather use.

Check housings and installation parts

Confirm whether the item is a complete lamp, a housing, a mounting part or an electrical accessory.

Price range: US$98.39 through US$101.39
Price range: US$124.00 through US$222.00
Price range: US$230.00 through US$237.00

How to choose a 4×6 headlight

Start with the headlight currently installed on your truck. Compare the lamp's dimensions, mounting arrangement, connector and required voltage, then confirm whether that position needs a low-beam, high-beam or combined lamp. A truck's model name or a 4×6 size label alone does not establish that every product here fits it.

Some items in this range are replacement housings or installation components rather than complete LED headlights. Read the included-parts list and any bulb, harness or adapter requirements on the exact product page. Keep any original-equipment and aftermarket-housing differences in mind when comparing replacements.

See 4×6 headlights on a real truck

Cream Kenworth W900L with chrome J.W. Speaker EVO-X headlights, photographed from the front quarter

From the BTS Lighting blog

Upgrading from J.W. Speaker to EVO-X

A W900L owner's experience after 3,600 km, BTS beam photos and the verified differences between 8800 Evolution 2 and EVO-X.

Read the EVO-X upgrade story →

4×6 headlight questions

Will every 4×6 headlight fit my truck?

No. Check the exact product's application information along with the existing lamp size, mounting, wiring and operating voltage. The size description alone does not confirm compatibility.

Can I use the same lamp for low and high beam?

Only when the exact lamp is designed for that function and matches the vehicle's wiring and headlight arrangement. Dedicated low-beam, dedicated high-beam and combined lamps must be selected for the correct position.

Does every product here include an LED lamp?

No. The category also contains replacement housings, mounting parts and electrical accessories. Check the individual listing for the included parts and any bulbs or other components sold separately.

Are all 4×6 LED headlights heated?

No. Choose a product specifically identified as heated and check its operating details. Do not assume that another lamp in the same brand or family has the same feature.

Are all of these lights approved for road use?

Check the exact product's certification and application details. Approval claims for one part do not apply automatically to every lamp, housing or accessory in this category.

Can I replace just one lamp?

Check whether the listing is for one lamp, a pair or another package, and match the required beam and configuration. Product-specific instructions determine any matching-part or installation requirements.

What are the benefits of a 4×6 LED replacement?

Depending on the exact model, you can choose a different beam design, colour appearance or a heated-lens feature. Compare the manufacturer's specifications for the selected lamp; brightness, power use and service life are not identical across the range.

Are these headlights plug-and-play?

Only where the exact lamp matches your vehicle's mounting, connector, pinout and voltage requirements. Some installations require a specified harness or adapter. Check the product and installation instructions before ordering.