H10/9145/9140 LED Fog Light Bulbs - 1:1 Replacement

H10, 9145 and 9140 fog light bulbs are often listed together in aftermarket LED collections, but fitment still needs to be checked. Start with the number on the original bulb. Then compare the connector, locking tabs, bulb size and available space.

What Is an H10 Fog Light Bulb?

An H10 fog light bulb is a single-function automotive bulb. It is used in the front fog lights or daytime running lights of selected vehicles. The standard H10 halogen bulb uses a PY20d base.

An H10 LED bulb can use less power than the original halogen bulb. Its wattage does not need to be the same. Check usable light output, beam placement and vehicle fitment instead of comparing wattage alone.

What Is the H10 Bulb Equivalent?

A 9145 fog light bulb is the main H10 bulb equivalent. H10 and 9145 are two common references for the same standard bulb type.

A 9140 fog light bulb is a related size, but its original halogen specifications are different. Some aftermarket LED products support H10, 9145 and 9140 applications with one bulb design. Only choose one when the product page lists the number printed on your original bulb.

For an H10 bulb cross reference, use the following guide:

Are H10 and 9005 Bulbs the Same?

No. H10 and 9005 bulbs are not the same standard bulb. A 9005 bulb is also known as HB3. It has a different base design and original power rating.

Some LED products may be designed for both H10 and 9005 applications. This does not make every H10 and 9005 bulb interchangeable. If the original bulb is marked 9005 or HB3, browse 9005 LED bulbs instead of assuming that an H10 bulb will fit.

What Vehicles Use H10 LED Bulbs?

H10 and 9145 bulbs are found in selected cars, trucks and SUVs. Common fitment catalogs include selected Ford F-150, Dodge Caravan and Chevrolet Corvette applications.

Fitment can change by model year, trim and factory lighting package. The same vehicle may use a different fog light bulb in another model year. Check the original bulb number or use the Automotive Bulb Finder. Do not choose an H10 LED bulb by vehicle name alone.

White or Yellow H10 LED Fog Light Bulbs?

White and yellow H10 LED fog light bulbs meet different color preferences and driving needs. Other bulb sizes and color options are available in the LED fog light bulbs collection.

• Bright White 6500K and Cool White 6000K: Provide a clean, modern appearance and match many LED headlights.

• Yellow H10 LED bulbs: Produce warmer light that some drivers prefer for visual contrast in fog, rain or snow.

Color alone does not determine fog light performance. Beam placement, usable output and the factory housing also affect how the light reaches the road.

Can H10 Halogen Fog Light Bulbs Be Replaced With LED?

Yes, when the LED bulb matches the original H10 or 9145 application. The replacement must fit the factory connector, lock into the housing and have enough space for its body and cooling parts.

Some vehicles may also need electrical support after an LED upgrade. Test both bulbs before closing the housing.

Why Choose SEALIGHT H10/9145/9140 LED Fog Light Bulbs?

• White and yellow options: Choose the light color that suits your vehicle and driving conditions.

• Multiple output levels: Compare different SEALIGHT models by usable brightness, power and bulb design.

• Compact installation: Selected bulbs use a compact, plug-and-play design for compatible fog light housings.

• Weather protection: Available IP67 and IP68 models help protect against water, dust and road spray. Ratings vary by product.

• Fitment and decoder support: Most SEALIGHT LED bulb packages ship with a decoder. If a decoding issue remains, contact SEALIGHT customer service for help and a compatible decoder at no extra cost.

• Shipping and returns: Get free shipping within the continental United States, 90-day easy returns and a one-year warranty.