OSRAM PY21W (7507ULT-2BL) 581 12V 21W ULTRA LIFE - Up to 4x Lifetime - Twin Pack

OSRAM PY21W (7507ULT-2BL) 581 12V 21W ULTRA LIFE - Up to 4x Lifetime - Twin Pack

OSRAM ULTRA LIFE PY21W (581) amber indicator bulbs are engineered for reliability and long-lasting performance. With up to 4x the lifetime of standard PY21W bulbs, they reduce replacement frequency and provide dependable signalling on the road. Backed by an OSRAM 4-year guarantee, they’re an excellent upgrade for frequent drivers.

• Up to 4x longer life compared to standard PY21W bulbs
• OSRAM 4-year guarantee (manufacturer)
• Road legal – ECE category PY21W approved
• 12V 21W amber indicator bulbs
• BAU15s base (offset pins, single contact)
• Twin blister pack (2 bulbs) – product code 7507ULT-2BL

Typical applications

• Front indicators / turn signals
• Rear indicators / turn signals
• Side repeaters (where PY21W is specified)

Specifications

What’s in the box

• 2 × OSRAM PY21W ULTRA LIFE 12V 21W bulbs (7507ULT-2BL)

Why choose ULTRA LIFE

Indicators are crucial for road safety. With OSRAM ULTRA LIFE PY21W bulbs, you’ll benefit from longer replacement intervals and consistent amber signalling – ensuring you stay visible to other drivers at all times.

Guarantee

OSRAM 4-year guarantee on all ULTRA LIFE signal bulbs. Manufacturer guarantee terms apply.

Product video

Note: Always replace indicator bulbs in pairs for consistent light output. Check your vehicle handbook or existing bulb to confirm PY21W (BAU15s) fitment before purchase.