What headlight bulb does a Kia Rio take in the UK?

For the Rio IV single headlight unit version (2017-2023), Auto Bulbs Direct lists an H4 headlight bulb (one bulb does dipped and main beam). Headlight bulbs changed between versions, so check the table for your registration year and headlight type.

What sidelight bulb does a Kia Rio take?

A 501 (W5W) for the Rio IV single headlight unit (2017-2023). A 501 and a W5W are the same bulb.

Do all Rio versions use the same bulbs?

No. Auto Bulbs Direct lists 5 different sets for the Rio across registration years and headlight types (halogen, with or without daytime running lights, cornering lights). Match yours by registration year, and check the old bulb's base.

Kia Rio bulb numbers (UK)

For the Rio IV single headlight unit version (2017-2023, 17 to 23 plates), Auto Bulbs Direct lists an H4 headlight bulb (one bulb does dipped and main beam); front fog HB4, sidelights 501 (W5W), front indicators 581 (PY21W), brake/tail 380 (P21/5W), reversing 921 (W16W), number plate 501 (W5W). Other versions are below - 5 in all.

Key takeaways

Rio IV single headlight unit: H4 headlight (dipped + main), sidelight 501 (W5W).
UK number and ECE code name the same bulb: 501 = W5W, 581 = PY21W, 380 = P21/5W, 382 = P21W.
Versions differ by registration year and headlight type - check the old bulb's base.

Rio IV single headlight unit 2017-2023 (17 to 23 plates)
Dipped beam	H4
Main beam	H4
Front fog	HB4
Sidelight	501 (W5W)
Front indicator	581 (PY21W)
Brake / tail light	380 (P21/5W)
Rear indicator	581 (PY21W)
Reversing light	921 (W16W)
Number plate	501 (W5W)

Rio IV twin headlight unit 2017-2023 (17 to 23 plates)
Dipped beam	HB3
Main beam	HB3
Front fog	HB4
Sidelight	501 (W5W)
Front indicator	581 (PY21W)
Brake / tail light	380 (P21/5W)
Rear indicator	581 (PY21W)
Reversing light	921 (W16W)
Number plate	501 (W5W)

Rio twin headlight unit 2011-2017 (61 to 66 plates)
Dipped beam	H7
Main beam	H1
Sidelight	501 (W5W)
Front indicator	581 (PY21W)
Brake / tail light	380 (P21/5W)
Rear indicator	581 (PY21W)
Rear fog	382 (P21W)
Reversing light	921 (W16W)
Number plate	501 (W5W)

Rio single headlight unit 2010-2011 (60 to 11 plates)
Dipped beam	H4
Main beam	H4
Sidelight	501 (W5W)
Front indicator	581 (PY21W)
Brake / tail light	380 (P21/5W)
Rear indicator	581 (PY21W)
Rear fog	382 (P21W)
Reversing light	921 (W16W)
Number plate	501 (W5W)

Rio single headlight unit 2007-2010 (57 to 10 plates)
Dipped beam	H4
Main beam	H4
Sidelight	501 (W5W)
Front indicator	581 (PY21W)
Brake / tail light	382 (P21W)
Rear indicator	582 (W21W)
Rear fog	382 (P21W)
Reversing light	382 (P21W)
Number plate	501 (W5W)

Versions as Auto Bulbs Direct names them, with UK registration years and plates. These are halogen-headlight cars unless stated; xenon and LED headlights use different bulbs or sealed units.

Bulbs for the Kia Rio

For the Rio IV single headlight unit (2017-2023). Amazon opens in your own country's store.

H4 headlight bulbDipped and main beam - Rio IV single headlight unitShop bulbs 501 (W5W) bulbSidelights and number plateShop bulbs 581 (PY21W) bulbFront indicators and rear indicatorsShop bulbs

As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.

Same car: UK Kia Rio wiper sizes.

Have a US-market Rio? US Kia Rio bulb sizes by year.

Other Kia models

Sportage Picanto Ceed

Source: Auto Bulbs Direct's vehicle bulb finder, checked registration plate by registration plate. Bulbs can change with trim level and headlight type, so check the markings on the old bulb (printed on its base) before buying. UK numbers (501, 581, 380...) and ECE codes (W5W, PY21W, P21/5W...) name the same bulb.