{"id":84765,"date":"2026-08-15T06:19:02","date_gmt":"2026-08-15T05:19:02","guid":{"rendered":"https:\/\/www.frowse.co\/tek-automotive-380-p21-5-w-bulb-brake-light-bay15d-twin-pack-12-v\/"},"modified":"2026-08-15T06:19:03","modified_gmt":"2026-08-15T05:19:03","slug":"tek-automotive-380-p21-5-w-bulb-brake-light-bay15d-twin-pack-12-v","status":"publish","type":"product","link":"https:\/\/www.frowse.co\/uk\/product\/tek-automotive-380-p21-5-w-bulb-brake-light-bay15d-twin-pack-12-v\/","title":{"rendered":"Tek Automotive 380 P21\/5 W Bulb Brake Light BAY15D Twin Pack 12 V"},"content":{"rendered":"<h2>Product Details<\/h2>\n<p>The Tek Automotive P21\/5W Bulb is a reliable solution for replacing rear brake and tail lights in vehicles. This twin pack includes two bulbs, making it convenient to replace both sides simultaneously.<\/p>\n<h3>Key Features<\/h3>\n<ul>\n<li><strong>Dual Filament Function:<\/strong> Each bulb offers a 21W brake illumination and a 5W tail light output, ensuring clear signalling.<\/li>\n<li><strong>BAY15D Staggered Pin Fitment:<\/strong> The design features opposite-side pins at different heights, facilitating a secure push-and-twist installation in compatible rear lamp holders.<\/li>\n<li><strong>Road Legal E-Marked:<\/strong> The bulbs are fully compliant with UK and EU regulations, making them suitable for everyday driving and MOT preparation.<\/li>\n<li><strong>Replace Both Rear Bulbs:<\/strong> The twin pack allows for simultaneous replacement, promoting balanced brightness and enhanced safety.<\/li>\n<li><strong>Standard 12V Specification:<\/strong> Specifically designed for vehicles that require 12V 21\/5W 380 P21\/5W BAY15D stop and tail bulbs.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Replacement dual filament bulb for rear brake and tail lights, ensuring optimal signalling and safety.<\/p>\n<ul>\n<li><strong>Dual Filament Function:<\/strong> 21W brake light and 5W tail light in one bulb.<\/li>\n<li><strong>BAY15D Fitment:<\/strong> Staggered pin design for secure installation.<\/li>\n<li><strong>Road Legal:<\/strong> Compliant for UK and EU road use, suitable for MOT.<\/li>\n<li><strong>Complete Pair:<\/strong> Supplied as a twin pack for even brightness on both sides.<\/li>\n<li><strong>Standard Specification:<\/strong> Designed for 12V vehicles requiring 21\/5W bulbs.<\/li>\n<\/ul>\n","protected":false},"featured_media":84757,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[1381,1411,1428],"product_tag":[1228],"class_list":["post-84765","product","type-product","status-publish","has-post-thumbnail","product_cat-automotive","product_cat-car-parts","product_cat-lights-bulbs-indicators","product_tag-amazon","first","instock","shipping-taxable","product-type-external"],"_links":{"self":[{"href":"https:\/\/www.frowse.co\/uk\/wp-json\/wp\/v2\/product\/84765","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.frowse.co\/uk\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.frowse.co\/uk\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.frowse.co\/uk\/wp-json\/wp\/v2\/comments?post=84765"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.frowse.co\/uk\/wp-json\/wp\/v2\/media\/84757"}],"wp:attachment":[{"href":"https:\/\/www.frowse.co\/uk\/wp-json\/wp\/v2\/media?parent=84765"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.frowse.co\/uk\/wp-json\/wp\/v2\/product_brand?post=84765"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.frowse.co\/uk\/wp-json\/wp\/v2\/product_cat?post=84765"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.frowse.co\/uk\/wp-json\/wp\/v2\/product_tag?post=84765"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}