{"product_id":"ring-p21-5w-cap-bay15d-12v-21-5w","title":"RING P21\/5W Cap BAY15d 12V 21\/5W","description":"RING P21\/5W Cap BAY15d 12V 21\/5W automotive bulb delivers dual-filament performance for reliable brake and tail light operation. Features a standard BAY15d cap fitting compatible with most vehicle applications. Rated at 12V with 21\/5W output for consistent brightness and visibility. Ideal replacement for worn or failed bulbs in classic and modern vehicles. Engineered for dependable performance in demanding automotive environments.","brand":"My Store","offers":[{"title":"Default Title","offer_id":52310478422358,"sku":"ER381","price":18.21,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0930\/2196\/2582\/files\/fcd7f54b-c04f-4ab6-84d0-c4e6cf50502f.png?v=1772800613","url":"https:\/\/castleengineers.co.uk\/products\/ring-p21-5w-cap-bay15d-12v-21-5w","provider":"My Store","version":"1.0","type":"link"}