What Size Bulbs Does a 2000 Land Rover Discovery Use?
Correct headlight, fog light, and tail light bulb sizes. Sourced from OEM catalog data.
Installation Difficulty
Hard (Tight clearances)
Est. Replacement Cost
$15 - $40 (Halogen) / $30+ (LED)
What Lighting System Does the 2000 Land Rover Discovery Have?
The 2000 Land Rover Discovery features an extensive lighting system with 13 bulb positions. It uses halogen technology with a single 9003 LED dual-filament bulb handling both low and high beams. The Discovery has been available from 1994 to 2019, and the 2000 model falls in the early-generation years.
Can You Put LED Bulbs in a 2000 Land Rover Discovery?
Upgrading the 2000 Land Rover Discovery to LED headlights is straightforward since it uses a single 9003 LED dual-filament bulb for both low and high beams. You only need one pair of LED bulbs to upgrade both functions. Look for a 9003 LED LED kit that specifically supports dual-filament operation to ensure both beams work correctly. For the fog lights, a H1 LED LED bulb provides a clean white output that pairs well with LED headlights.
How to Replace Bulbs on a 2000 Land Rover Discovery
The 9003 bulb uses a spring clip retainer with a three-prong base identical to H4. To remove the old bulb, disconnect the wiring harness first, then twist the bulb counter-clockwise and pull it out. Land Rover vehicles are known for tight engine bay clearances around the headlight assembly. You may need to remove the air intake duct, battery cover, or wheel well liner to access the bulbs. Budget 30 to 45 minutes per side for your first replacement. When installing the new bulb, avoid touching the glass with bare fingers. Skin oils create hot spots that shorten bulb life. Wear clean gloves or handle the bulb by its plastic base only. The fog lights are accessed from underneath the front bumper. You may need to remove a few plastic clips or screws from the fender liner to reach the H1 LED fog light socket.
Full Upgrade Bundle
Upgrade All 13 Positions at Once
2000 Land Rover Discovery Complete Bulb Size Chart
| Position | Bulb Size | Shop |
|---|---|---|
Low Beam | 9003 LED | Buy 9003 LED |
High Beam | 9003 LED | Buy 9003 LED |
Fog Light | H1 LED | Buy H1 LED |
Brake Light | 7506 LED | Buy 7506 LED |
Side Marker | 5007 LED | Buy 5007 LED |
Turn Signal Front | 2825 LED | Buy 2825 LED |
Turn Signal Rear | 7506 LED | Buy 7506 LED |
Reverse Light | 7506 | Buy 7506 |
Dome Light | 6461 | Buy 6461 |
License Plate | 6418 | Buy 6418 |
Map Light | 6461 | Buy 6461 |
Parking Light | 2825 | Buy 2825 |
Trunk Light | 5008 | Buy 5008 |
Want to upgrade everything at once?
Shop Complete LED Kit for 2000 Land Rover DiscoveryHow Long Do 2000 Land Rover Discovery Headlight Bulbs Last?
Standard halogen headlights on the 2000 Land Rover Discovery have an expected lifespan of 500 to 1,000 hours, which works out to roughly 2 to 3 years of normal use. Signs of a failing halogen bulb include noticeably dimmer output, a yellowish tint compared to the other headlight, or intermittent flickering. At 26 years old, the original bulbs on your Discovery are likely overdue for replacement. Even if they still illuminate, reduced brightness significantly impacts nighttime safety. When one headlight burns out, replace both sides at the same time. Bulbs from the same batch age at similar rates, and mismatched brightness is distracting to oncoming drivers.
What Bulbs Are Compatible with the 2000 Land Rover Discovery?
The 9003 low beam bulb on the 2000 Land Rover Discovery is cross-compatible with H4, HB2 bulbs. These share the same physical base and electrical connection, so they will fit the socket. However, 9003 is the recommended size because it is optimized for the wattage and beam pattern designed into your headlight housing. The 9003 is a dual-filament bulb, meaning one bulb contains two separate filaments for low and high beams. This is a different design from single-filament bulbs like H11 or 9005. Make sure any LED replacement is specifically designed for dual-filament operation. Using the wrong bulb size can cause improper beam patterns that reduce your visibility and blind other drivers. It can also cause overheating inside the headlight housing, potentially warping the plastic lens or reflector. Always verify the bulb number before purchasing.
2000 Land Rover Discovery Headlight FAQ
Did Land Rover Discovery Bulb Sizes Change Over the Years?
Over its production run from 1994 to 2019, the Land Rover Discovery has seen bulb size changes in the Low Beam, High Beam and Fog Light positions. The 2000 model uses the earlier bulb specification that was in place before the change around 2018. Always verify the exact bulb size for your specific 2000 model year using the chart above, as using the wrong size can result in poor fitment or reduced light output.
Other Discovery Years
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Other Vehicles That Use 9003 LED Bulbs
These vehicles from other makes also use a 9003 LED low beam bulb: