{"id":5841,"date":"2026-10-13T20:33:32","date_gmt":"2026-10-13T20:33:32","guid":{"rendered":"https:\/\/terraforge4x4.com\/?post_type=product&#038;p=5841"},"modified":"2026-11-07T21:01:18","modified_gmt":"2026-11-07T21:01:18","slug":"auxbeam-b21-pro-standard-3157-white-amber-leds-4-bulbs-no-c8-decoder","status":"publish","type":"product","link":"https:\/\/terraforge4x4.com\/nl\/product\/auxbeam-b21-pro-standard-3157-white-amber-leds-4-bulbs-no-c8-decoder\/","title":{"rendered":"Auxbeam B21-PRO standard 3157 white\/amber LEDs \u2014 4 bulbs, no C8 decoder"},"content":{"rendered":"<h3>Auxbeam B21-PRO 3157 White\/Amber Switchback LED Bulbs \u2013 4-Pack<\/h3>\n<p>This T25\/3157 dual-colour switchback set is the <strong>4-bulb package without an added C8 decoder option<\/strong>. It is designed for combined parking\/daytime running light and turn-signal applications with the correct 3157 socket and wiring.<\/p>\n<h4>Lighting Functions<\/h4>\n<ul>\n<li>Cool white light for the parking light or daytime running light function, where supported by the original wiring.<\/li>\n<li>Amber flashing light for the turn signal function.<\/li>\n<li>White-to-amber switching works only where the original bulb provides both functions.<\/li>\n<\/ul>\n<h4>Selected Package and Manufacturer Information<\/h4>\n<ul>\n<li>Package selection: <strong>4 \u00d7 B21-PRO T25\/3157 white\/amber LED bulbs<\/strong>; no C8 decoder option selected.<\/li>\n<li>Auxbeam specifies SMD 3030 LED chips and fan cooling for the B21-PRO switchback range.<\/li>\n<li>Auxbeam lists 6500 K white and 3000 K amber and a nominal 4,000 lm <strong>per two bulbs<\/strong> for the base product.<\/li>\n<\/ul>\n<h4>Electrical specification and supply<\/h4>\n<p>Auxbeam specifies 5 W white \/ 25 W amber per bulb and a 12\u201324 V electrical range while stating use in 12 V cars. This listing is for compatible 12 V applications; 24 V vehicle suitability is not confirmed.<\/p>\n<p>Ordered from the supplier; not held in our own stock. Auxbeam listed this exact four-bulb variant as available on 7 November 2026. Availability and dispatch timing may change. Contact us for the current delivery estimate before ordering; no guaranteed delivery date is stated.<\/p>\n<h4>Fitment and Road-Use Notes<\/h4>\n<p>Check the original bulb designation and whether the vehicle uses a standard 3157 or CK-type socket; these pin arrangements are not interchangeable. Additional load resistors or decoders may be necessary to address hyperflash or dashboard warnings. Compatibility and error-free operation are not guaranteed. European E-mark approval has not been verified.<\/p>","protected":false},"excerpt":{"rendered":"<p>Four Auxbeam B21-PRO standard 3157 white\/amber switchback bulbs (GP00013060), without optional C8 decoders. For compatible 12 V combined-function circuits; not the CK pinout. Supplier order, not our own stock; ask for the current delivery estimate. No universal compatibility or road-use approval is claimed.<\/p>","protected":false},"featured_media":5840,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[77],"product_tag":[],"class_list":["post-5841","product","type-product","status-publish","has-post-thumbnail","product_cat-turn-signal-lights","first","onbackorder","taxable","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/terraforge4x4.com\/nl\/wp-json\/wp\/v2\/product\/5841","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/terraforge4x4.com\/nl\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/terraforge4x4.com\/nl\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/terraforge4x4.com\/nl\/wp-json\/wp\/v2\/comments?post=5841"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/terraforge4x4.com\/nl\/wp-json\/wp\/v2\/media\/5840"}],"wp:attachment":[{"href":"https:\/\/terraforge4x4.com\/nl\/wp-json\/wp\/v2\/media?parent=5841"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/terraforge4x4.com\/nl\/wp-json\/wp\/v2\/product_brand?post=5841"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/terraforge4x4.com\/nl\/wp-json\/wp\/v2\/product_cat?post=5841"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/terraforge4x4.com\/nl\/wp-json\/wp\/v2\/product_tag?post=5841"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}