W21/5W T20q W3X16q 12V 21/5W bulb

TAIL LIGHT - BRAKE LIGHT

DAYTIME RUNNING LIGHT - PARKING LIGHT

Base: W3x16q
Type: W21/5W T20q - Wedge Base
Power: 21/5W
Voltage: 12V
Bulb diameter: 20mm

Philips no.: 12066CP
Osram no.: 7515
Ring no.: R580

This is a capless or 'wedge base' lamp with 2 filaments for the tail light and brake light. The designation for capless bulbs normally starts with a T and is followed by its diameter number, 20 for this bulb (T20). Its designation consists of two Ws with the bulb's wattage between the two Ws. In this case, W21/5W.
It has 2 filaments, one that lights up for the tail light (5W) and one that lights up when braking (21W).

These bulbs fit the following 12 Volt cars:
Alfa Romeo MiTo 955
Chevrolet Trax
Citroën Berlingo K9 - C Crosser - C Elysée - C3 Aircross - C4 II Sedan - Jumper II / III
Dacia Duster SUV - Logan II Sedan / MCV - Sandero II
Daihatsu Cuore V L7 - Materia M400 - Trevis - YRV M2
Fiat 500 - Doblo II - Ducato III - Talento
Ford Kuga MK1 - Ranger
Honda Accord VII Sedan - Civic VII - CR-V - FR-V BE - HR-V - Jazz II - Legend III Sedan - S2000 AP
Jaguar XF Sedan - XF Sportbrake
Lada Granta - Kalina II - Vesta
Land Rover Discovery V
Lexus ES SV40 - GS II - IS I Sedan - LS II / III - LX - RX I
Mazda 3 DE - DL - DY - BK - BL - BM - 323 PV - 5 CR19 - 5CW
Mercedes Benz Classe X 470 - X - Viano W639 - Vito Mixto W639
Mitsibushi Galant VII - Lancer - Outlander - Pajero III - Santamo
Nissan Juke - Maxima - Micra - NV300 - Pathfinder
Opel Adam - Astra J - Cascada - Corsa D - Insignia - Karl - Meriva
Peugeot 208 - 301 - 4007 - 4008 - Boxer - Expert V - Traveller
Renault Traffic III
Skoda Citigo
Subaru Forester I - II - III - IV - Impreza II - Legacy IV
Suzuki Grand Vitara - Ignis - Jimny - Liana - SX4
Toyota Avensis - Aygo - Camry - Celica VII - Corolla IX - FJ Cruiser - Hilux
Volvo S90 - V90 - XC60 - SC90
VW Beetle - Caddy Alltrack - Golf Plus - Touareg II - up!