Below is a list of light bulb types used in 2003- VOLKSWAGEN TRANSPORTER lighting system, covering van, flat-bed/chassis and minibus vehicles.

Front exterior lights

Headlight bulb: low beam - H4 or H7 / high beam - H4 or H1

Parking light bulb: W5W

Fog light bulb: HB4

Front indicator/turn signal bulb: PY21W or P21W

Side direction indicator bulb: W5W or WY5W

Side light bulb: W5W

Rear exterior lights

Rear indicator/turn signal bulb: P21W or PY21W

Tail light bulb: R5W or P21/4W

Brake light bulb: P21W

Back-up light bulb: P21W

Rear fog light bulb: P21W or P21/4W

License plate light bulb: R10W or C5W

Auxiliary stop light bulb: W5W

Interior lights

Interior light bulb: C10W

Reading light bulb: W5W

Boot light bulb: C10W

Entry light bulb: W5W

Footwell light bulb: W5W

Glove compartment light bulb: W5W

Light bulb sizes for other VOLKSWAGEN TRANSPORTER generations: TRANSPORTER (T6/MK6)