--- product_id: 48459602 title: "Bosch PY21W (581) Pure Light Halogen Headlight Bulbs, 12 V 21 W" brand: "bosch" price: "₹ 2571" currency: INR in_stock: true category: "Bosch" url: https://www.desertcart.in/products/48459602-bosch-py21w-581-pure-light-halogen-headlight-bulbs-12-v store_origin: IN region: India --- # Long lifespan durability 12V, 21W bright power BAU15s socket fit Bosch PY21W (581) Pure Light Halogen Headlight Bulbs, 12 V 21 W **Brand:** bosch **Price:** ₹ 2571 **Availability:** ✅ In Stock ## Summary > 💡 Illuminate your drive with Bosch Pure Light – where clarity meets confidence. ## Quick Answers - **What is this?** Bosch PY21W (581) Pure Light Halogen Headlight Bulbs, 12 V 21 W by bosch - **How much does it cost?** ₹ 2571 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.in](https://www.desertcart.in/products/48459602-bosch-py21w-581-pure-light-halogen-headlight-bulbs-12-v) ## Best For - bosch enthusiasts ## Why This Product - Trusted bosch brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Plug & Play Fit:** BAU15s socket ensures seamless, hassle-free installation every time. - • **Enduring Brightness:** Engineered for a long service life, reducing replacements and downtime. - • **Safety-First Design:** Recommended dual replacement to maintain consistent visibility and compliance. - • **Pure Light Precision:** Experience original equipment quality for unmatched clarity and safety. - • **Trusted Brand Legacy:** Backed by Bosch’s century of automotive lighting expertise for reliability. ## Overview Bosch PY21W Pure Light Halogen Headlight Bulbs deliver 12V and 21W of reliable, bright yellow illumination with a BAU15s socket fit. Designed for long-lasting performance and easy installation, these bulbs combine original equipment quality with Bosch’s renowned automotive lighting expertise, ensuring enhanced night visibility and safety for your vehicle. ## Description From the manufacturer For those searching for a good price-performance ratio Leveraging a century of automotive lighting expertise, Bosch ensures excellent quality. With the Bosch Pure Light headlights, you will discover the world of original quality parts. When it comes to navigating the night, clarity and visibility are paramount. The Bosch Pure Light headlight bulb will reliably do this and more. Thanks to the long lifespan, the bulbs also rarely need replacing. Easy to install, they are the preferred choice for many drivers searching for replacement headlight bulbs. Good value The Pure Light series delivers an excellent balance between cost and performance. Long-lasting Long service life for fewer replacements. Excellent quality Made with high-quality materials and components. Universal The comprehensive Pure Light product line offers suitable vehicle lamps for almost every field of operation. Never in the dark For your safety and to be compliant with the law, Bosch recommends that you always have a box of emergency backup bulbs in your vehicle in the event of failure. Gloves are your ally Handling bulbs with your fingers may reduce their lifespan. When replacing them, it is advisable to use gloves. This also helps avoid potential burns. Change your lamps in pairs If one bulb goes out, it won’t take long for the other one to stop working. For your safety and to save money on repairs, Bosch recommends changing both bulbs simultaneously. Stay bright Bulbs naturally deteriorate and diminish in intensity over time. Bosch recommends changing them every 2 years on average. ## Features - Pure Light, complete standard series in original equipment quality - PY21W - 12 V, 21 W - BAU15s ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B003JY8268 | | Auto Part Position | Rear | | Automotive Fit Type | Vehicle Specific Fit | | Best Sellers Rank | 6,398 in Automotive ( See Top 100 in Automotive ) 1 in Car Angel Eyes | | Brand | Bosch | | Brand Name | Bosch | | Colour | Yellow, Yellow | | Country Of Origin | Thailand | | Customer Reviews | 4.6 out of 5 stars 5,302 Reviews | | Fit Type | Vehicle Specific Fit | | Global Trade Identification Number | 03165141228854 | | Included Components | Light bulb | | Item Highlight | Original Quality - Socket Type BAU15s - Pack of 2 Replacement Car Light Bulbs | | Item Weight | 9 Grams | | Item package quantity | 1 | | Light Source Type | Incandescent | | Light source type | Incandescent | | Manufacturer | Bosch | | Manufacturer Part Number | 1987301018 | | Model Number | 1 987 301 018 | | Number of Items | 1 | | OEM Equivalent Part Number | 000208861-MASERATI,000217741-MASERATI,001 544 91 44-MERCEDES-BENZ,001 544 91 94-MERCEDES-BENZ,0015449144-SMART,0015449194-SMART,07 11 9 900 673-BMW,07 11 9 904 754-BMW,128410376-BAIC,14210400-VOLVO,1L0 953 049 A-SEAT,3204479-LINDNER,3345133-VOLVO,345133-VOLVO,503126266-IVECO,53413-YAMAHA,6216 31-CITROËN,6216 A0-CITROËN,6216 A0-PEUGEOT,6216 F2-CITROËN,63 21 0 395 455-BMW,63 21 7 160 791-BMW,6372 33… | | Package Quantity | 1 | | Specific Uses For Product | Headlight bulb | | Specific uses for product | Headlight bulb | | UPC | 780873641561 | | Unit Count | 2.0 count | | Voltage | 12 Volts | | Wattage | 21 watts | ## Product Details - **Brand:** Bosch - **Item package quantity:** 1 - **Light source type:** Incandescent - **Specific uses for product:** Headlight bulb - **Wattage:** 21 watts ## Images ![Bosch PY21W (581) Pure Light Halogen Headlight Bulbs, 12 V 21 W - Image 1](https://m.media-amazon.com/images/I/61oF+4w+UFL.jpg) ![Bosch PY21W (581) Pure Light Halogen Headlight Bulbs, 12 V 21 W - Image 2](https://m.media-amazon.com/images/I/61n+B81CaqL.jpg) ![Bosch PY21W (581) Pure Light Halogen Headlight Bulbs, 12 V 21 W - Image 3](https://m.media-amazon.com/images/I/31wnvoOTgzL.jpg) ![Bosch PY21W (581) Pure Light Halogen Headlight Bulbs, 12 V 21 W - Image 4](https://m.media-amazon.com/images/I/41fhnVCUXJL.jpg) ![Bosch PY21W (581) Pure Light Halogen Headlight Bulbs, 12 V 21 W - Image 5](https://m.media-amazon.com/images/I/41g9gRDC+KL.jpg) ## Available Options This product comes in different **Style** options. ## Questions & Answers **Q: Is the glass amber coloured or is the amber a covering over the bulb?** A: I think the bulb was amber in colour. Sorry it's so long ago since I changed them. **Q: Is the glass amber or does it have an amber film? Thanks** A: No ## Frequently Bought Together - Bosch PY21W (581) Pure Light Car Light Bulbs - 12 V 21 W BAU15s - 2 Bulbs - Bosch P21W (382) Pure Light Car Light Bulbs - 12 V 21 W BA15s - 2 Bulbs - Bosch H7 (477) Pure Light Headlight Bulbs - 12 V 55 W PX26d - 2 Bulbs --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.in/products/48459602-bosch-py21w-581-pure-light-halogen-headlight-bulbs-12-v](https://www.desertcart.in/products/48459602-bosch-py21w-581-pure-light-halogen-headlight-bulbs-12-v) --- *Product available on Desertcart India* *Store origin: IN* *Last updated: 2026-09-20*