Automotive indicator bulbs that restore clear amber signalling and match BAU15S fittings, designed as straightforward OEM-style replacements: Tek Automotive PY21W Indicator Bulbs. Drivers who want dependable signalling and simple fit-and-forget spares will welcome E Approved construction and a box of ten. Are these the sensible spares to keep in the garage for MOT season and routine maintenance?
⚡ At a Glance
- • Light Output: Consistent amber illumination at 12V 21W, suitable for turn-signal visibility
- • Best for: Vehicle owners needing standard BAU15S replacement bulbs and multiple spares
- • Not ideal for: Cars that require a different bulb base than BAU15S
Amber PY21W 581 bulbs are rated 12V 21W with BAU15S offset pins and supplied in a box of ten. E Approved certification confirms road legality and a money-back guarantee adds purchase reassurance.
Reliable signalling – with 12V 21W BAU15S construction
Rated at 12V and 21W and fitted with BAU15S offset pins, the bulbs draw the specified electrical load and ensure correct socket orientation and contact.
Steady, correct-fit illumination restores clear indicator function and supports proper flashing performance during normal use.
Legal and road-ready – with E Approved certification
E Approved marking indicates compliance with the relevant road safety standards cited in the product description, affirming the bulbs meet required regulatory criteria for indicator use.
Meeting road-legal standards helps avoid failures at inspections and gives confidence when replacing worn indicators.
Ready-to-stock bulk supply – with an economical box of ten
Packaged as a box of ten PY21W bulbs, the supply reduces the need to source replacements individually and keeps multiple axial fittings available.
Keeping a box in the garage saves time on routine maintenance and ensures replacements are available for several vehicles or future needs.
✨ The 4 Key Reasons for Tek Automotive PY21W Indicator Bulbs
- High-quality construction – Keeps bulbs working reliably over routine use periods
- Money-back guarantee – Allows risk-free replacement if bulbs fail to perform
- Restores orange colour – Makes indicators clearly visible during day and night
- BAU15S offset pins – Ensures correct fit and reliable electrical contact every time
📋 Technical Details at a Glance
- Category: Automotive Parts and Accessories
- Brand: Tek Automotive
- Model: 581 PY21W
- Type: PY21W indicator bulb
- Base/Socket: BAU15S (offset pins)
❓ Frequently Asked Questions
Q: Are these bulbs road legal?
A: Yes, E Approved certification is stated in the product description, confirming road-legal compliance for indicator use.
Q: What socket type do these bulbs fit?
A: BAU15S with offset pins is specified, so they fit vehicles that require a BAU15S indicator bulb.
Q: How many bulbs are included in a pack?
A: Bulbs are supplied in an economical box of ten, suitable for multiple replacements or spares.
🏆 Our Verdict
The Tek Automotive PY21W Indicator Bulbs suit vehicle owners who need straightforward, road-legal amber replacements and spares. E Approved certification, BAU15S offset pins and a box of ten make the set particularly practical for routine maintenance. Overall, strong value as a bulk replacement option that reduces downtime and hassle over time.
