Bulb List for Gen 1
Dashboard/console led/bulb = t4.7 for the backlight of the clock etc and t3.5 for the buttons
Buttons either side of steering wheel = T3
Headlights - Halogen Headlights = H4 60/55W
Discharge Headlights
- High Beam = HB3 60W
- Low Beam = Not fitted with intelligent AFS = D2R 35W
Fitted with AFS = D2S 35W
Front Fog Light = HB4 51W
-mz * mx * ax = 55W
- MS * AS = 35w
Clearance Lights = W5W 5W
Front Indicator/Hazard Lights = 1W
Side indicator/hazard = W5 12V
Number Plate = W5W 93R
Brake Lights = 21W
Tail Light = 2DIW SW7443 21w
Rear Indicators = 2FH 21W
Reverse Light = W6W 21W
Rear Fog Light = 21W optional change to the reflectors HERE
Front Personal Light = 8W
Rear Personal Light = 5W
Vanity Light = 1.5W
Front Door Courtesy Light = 3.8W
Foot Area (not present cant tell you) =
Luggage room light = 5W
Ashtray = 1.2W
High mount stop light =W16W 16W
Bulb List for Gen 2.
Here's a general list of common bulb types. It's highly recommended to double-check your vehicle's owner's manual or visually inspect the bulbs in your specific Alphard before purchasing replacements.
Headlights:
Low Beam:
Halogen: H1, H7, H11, HIR2
Xenon/HID: D2S, D4S (These are usually for vehicles with factory HID systems. Note the voltage difference - 85V for D2S/D4S vs. 12V for halogen.)
High Beam:
Halogen: H4 (often combined with low beam in one bulb for some models), HB3 (9005)
Fog Lights: H8, H11, H16 (H11 is very common)
Exterior Lighting (other):
Front Turn Signals: WY21W (amber) or 7440/7440A (some models might use W21W with an amber lens)
Front Side Marker/Position Lights: W5W (T10 wedge)
Rear Turn Signals: WY21W or W21W (if the lens is amber)
Brake/Tail Lights: W21/5W (dual filament for brake and tail), P21/5W, P21/4W, R10W (some models may have LED tail lights, which would be integrated units)
Reverse Lights: W16W, P21W
License Plate Lights: W5W (T10 wedge)
Interior Lighting:
Dome Lights / Map Lights / Reading Lights: Typically use a variety of bulbs, including:
Festoon bulbs (various lengths like 31mm, 36mm, 39mm, 41mm)
W5W (T10 wedge)
Some areas might use smaller wedge bulbs like T5.
Vanity Mirror Lights: Often smaller festoon or W5W bulbs.
Trunk/Boot Light: W5W or a festoon bulb.
Door Lights: W5W