--- product_id: 52922789 title: "P21/4W (566) Pure Light Halogen Headlight Bulbs, 12 V 21/4 W, Original Quality - Socket Type BAZ15d - Pack of 2 Replacement Car Light Bulbs" brand: "bosch" price: "฿1226" currency: THB in_stock: true reviews_count: 13 category: "Bosch" url: https://www.desertcart.co.th/products/52922789-p21-4w-566-pure-light-halogen-headlight-bulbs-12-v store_origin: TH region: Thailand --- # Long lifespan reduces replacements 12V, 21/4W pure halogen power BAZ15d socket for perfect fit P21/4W (566) Pure Light Halogen Headlight Bulbs, 12 V 21/4 W, Original Quality - Socket Type BAZ15d - Pack of 2 Replacement Car Light Bulbs **Brand:** bosch **Price:** ฿1226 **Availability:** ✅ In Stock ## Summary > 💡 Light up your ride with Bosch Pure Light – because your safety deserves the spotlight! ## Quick Answers - **What is this?** P21/4W (566) Pure Light Halogen Headlight Bulbs, 12 V 21/4 W, Original Quality - Socket Type BAZ15d - Pack of 2 Replacement Car Light Bulbs by bosch - **How much does it cost?** ฿1226 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/52922789-p21-4w-566-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:** BAZ15d socket ensures hassle-free installation—no mechanic needed, just pure convenience. - • **Safety First, Always:** Change bulbs in pairs to maintain balanced lighting and avoid unexpected failures on the road. - • **Durability That Lasts:** Engineered for longevity, these bulbs minimize downtime and replacement costs. - • **Pure Light Brilliance:** Experience original equipment quality illumination that keeps you confidently visible on every drive. - • **Value Meets Performance:** Get premium Bosch quality at a price that makes upgrading your car’s lighting a no-brainer. ## Overview Bosch P21/4W Pure Light Halogen Headlight Bulbs deliver reliable 12V, 21/4W illumination with a BAZ15d socket for easy installation. Designed for long-lasting performance and original equipment quality, these bulbs ensure enhanced visibility and safety. Ideal for rear vehicle lighting, they come in a pack of two to promote balanced lighting and reduce replacement frequency. ## 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. Review: Description - Great item reliable Review: Perfect - Great bulb. Did it's job for my Skoda Fabia Mk3 rear lights. Would order again. Great value for money. ## Features - Pure Light, complete standard series in original equipment quality - P21/4W - 12 V, 21/4 W - BAZ15d ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B003JY81VY | | Best Sellers Rank | 17,588 in Automotive ( See Top 100 in Automotive ) 48 in Automotive Back Up Lights | | Brand | Bosch | | Customer Reviews | 4.5 4.5 out of 5 stars (1,102) | | Date First Available | 3 May 2011 | | Item Weight | 9 g | | Item model number | 1 987 301 015 | | Manufacturer | Bosch | | Manufacturer part number | 1987301015 | | Mirror lighting type | P21/4W | | Model | 1987301015 | | OEM Part Number | FIAT 14145490 | | Position | Rear | | Product Dimensions | 6.7 x 2.8 x 13.5 cm; 9 g | | Voltage | 12 Volts | ## Product Details - **Brand:** Bosch - **Item package quantity:** 1 - **Light source type:** Incandescent - **Specific uses for product:** Headlight bulb - **Wattage:** 4 watts ## Images ![P21/4W (566) Pure Light Halogen Headlight Bulbs, 12 V 21/4 W, Original Quality - Socket Type BAZ15d - Pack of 2 Replacement Car Light Bulbs - Image 1](https://m.media-amazon.com/images/I/614qvvW2NLL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Description *by T***D on 20 December 2025* Great item reliable ### ⭐⭐⭐⭐⭐ Perfect *by L***A on 7 July 2024* Great bulb. Did it's job for my Skoda Fabia Mk3 rear lights. Would order again. Great value for money. ### ⭐⭐⭐⭐ Working Bulb, wrong size *by M***B on 2 April 2024* The lightbulbs work and are very good value for money, much cheaper then ones from other providers. The product arrived very quickly too. Only issue is that it didn’t fit my car, but that was my fault for ordering wrong one 😂 ## Frequently Bought Together - Bosch P21/4W (566) Pure Light Car Light Bulbs - 12 V 21/4 W BAZ15d - 2 Bulbs - Bosch P21W (382) Pure Light Car Light Bulbs - 12 V 21 W BA15s - 2 Bulbs - Bosch PY21W (581) Pure Light Car Light Bulbs - 12 V 21 W BAU15s - 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.co.th/products/52922789-p21-4w-566-pure-light-halogen-headlight-bulbs-12-v](https://www.desertcart.co.th/products/52922789-p21-4w-566-pure-light-halogen-headlight-bulbs-12-v) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-04-22*