{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"fa0c7977e4f7","name":"WATER TEMPERATURE SWITCH VF750, HONDA 37750-PC1-004 VT1100, K&L 21-3428","sku":"44-536","brand":"K&L Supply","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":31.57,"formatted":"£31.57"},"summary":"The Water Temperature Sending Unit and Thermo Fan Switch (K&L 21-3428) is a direct replacement for the stock radiator fan switch. Manufactured in Japan, this component ensures reliable activation of the fan at the correct temperature, maintaining optimal engine cooling and preventing overheating. This switch is sold individually and is ideal for riders who need a high-quality replacement part for their cooling system. Features include direct replacement for OEM radiator fan switch, made in Japan for premium quality and performance, ensures accurate fan activation to maintain engine temperature, reliable solution, sold individually, and professional installation is recommended if unsure. Specifications include thermo fan switch for controlling radiator fan operation, made in Japan for optimal reliability, and suitable for stock applications. Cross reference OEM part numbers: 37750-PC1-004. Part Number: K&L 21-3428.","attributes":[{"label":"General Product Group","value":"Ignition & Electrical Parts"},{"label":"General Product Type","value":"Sensor - Water Temperature"},{"label":"Variant Id","value":"242214"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/44-536/1b4fa116b887cfbf.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/44-536/1b4fa116b887cfbf.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/44-536/b17a051a9272b9aa.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/44-536/81ec4c7e5767abaa.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/44-536/bdf8480c8ff92c7a.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/44-536/2cac1b943eda71f7.jpg"],"description":"The Water Temperature Sending Unit and Thermo Fan Switch (K&L 21-3428) is a direct replacement for the stock radiator fan switch. Manufactured in Japan, this component ensures reliable activation of the fan at the correct temperature, maintaining optimal engine cooling and preventing overheating. This switch is sold individually and is ideal for riders who need a high-quality replacement part for their cooling system. Features include direct replacement for OEM radiator fan switch, made in Japan for premium quality and performance, ensures accurate fan activation to maintain engine temperature, reliable solution, sold individually, and professional installation is recommended if unsure. Specifications include thermo fan switch for controlling radiator fan operation, made in Japan for optimal reliability, and suitable for stock applications. Cross reference OEM part numbers: 37750-PC1-004. Part Number: K&L 21-3428.","descriptionMarkdown":"### K&L Supply Water Temperature Switch\n\nThe K&L Supply Water Temperature Switch is a high-quality, direct replacement part designed to ensure the reliable operation of your motorcycle's radiator fan. Manufactured in Japan, this switch is engineered to activate your fan at the precise temperature required to maintain optimal engine cooling, preventing overheating and supporting consistent engine performance.\n\nThis component serves as a critical part of your vehicle's cooling system, and replacing a faulty switch can help prevent costly engine damage. It is sold individually, making it a straightforward replacement for riders needing to restore their cooling system's functionality.\n\n### Key Features:\n\n\t\n- Direct replacement for the original radiator fan switch.\n\t\n- Expertly manufactured in Japan, ensuring premium quality and durability.\n\t\n- Accurately controls radiator fan activation to maintain ideal engine temperatures.\n\t\n- A dependable solution for your motorcycle's cooling system.\n\t\n- Individually packaged for easy purchase and installation.\n\t\n- Designed for stock cooling system applications.\n\n**Cross Reference OEM Part Numbers:**\n\n\t\n- 37750-PC1-004\n\n**Part Number:** K&L 21-3428","weightGrams":null,"fitments":[],"collections":[{"name":"Ignition & Electrical Parts","url":"https://www.2brosparts.com/api/agent/collection/GB/ignition-electrical-parts"},{"name":"Sensor - Water Temperature","url":"https://www.2brosparts.com/api/agent/collection/GB/sensor-water-temperature"}],"links":{"page":"https://www.2brosparts.com/products/water-temperature-switch-vf750-honda-37750-pc1-004-vt1100-kl-21-3428","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/fa0c7977e4f7:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/fa0c7977e4f7:1"}},"market":{"country":"GB","countryName":"United Kingdom","locale":"en-gb","currency":"GBP","exchangeRateFromGbp":1,"pricesIncludeUkVat":true,"checkoutTax":null,"delivery":[{"name":"Standard","description":"Orders £15.00–£59.99 · 2–4 business days","carrier":null,"estimatedDays":"2–4 business days","price":{"amount":4.99,"formatted":"£4.99"},"free":false,"minimumOrder":{"amount":0,"formatted":"£0.00","gbp":0},"weightGrams":null},{"name":"Standard","description":"Orders £60.00 and up · 2–4 business days","carrier":null,"estimatedDays":"2–4 business days","price":{"amount":0,"formatted":"£0.00"},"free":true,"minimumOrder":{"amount":60,"formatted":"£60.00","gbp":60},"weightGrams":null}],"storeUrl":"https://www.2brosparts.com"},"navigate":{"start":"https://www.2brosparts.com/api/agent","search":"https://www.2brosparts.com/api/agent/search/GB/{words+joined+with+plus}"},"howToBuy":{"summary":"Build a basket for the shopper and give them one checkout link. Every URL is a plain path (no query string) and a GET. Nothing is stored between calls.","checkoutLinkFormat":"https://www.2brosparts.com/api/agent/checkout/GB/{basketKey}:{quantity},{basketKey}:{quantity}","steps":["1. Find products: follow links in these responses, or fetch https://www.2brosparts.com/api/agent/search/GB/{words+joined+with+plus} (e.g. https://www.2brosparts.com/api/agent/search/GB/brake+pads). Every product has a basketKey.","2. Optional check: https://www.2brosparts.com/api/agent/basket/GB/{basketKey}:{quantity},{basketKey}:{quantity} returns stock, totals per delivery option and the checkout link.","3. Give the shopper the checkout link. Opening it fills their basket with exactly these items (replacing what was there) and opens checkout for United Kingdom. They pay on 2brosparts.com through Stripe."],"noFetchNeeded":"You can write the checkout link yourself from basketKeys and quantities; nothing has to be fetched first. Each product also has links.buyOneNow, a ready link for one unit.","stateless":"Nothing is saved on our side. The items part of the URL is the whole basket: to change it, write the link again with the new list.","itemsFormat":"basketKey:quantity pairs joined by commas, e.g. 04f24aad4d68:2,7c1e9a0b3f2d:1. Quantity defaults to 1. Up to 50 products, 100 each.","country":"GB is the shopper's delivery country. Swap it for theirs (US, DE, FR…) in any URL; currency, tax and delivery follow it.","tips":["Put everything the shopper wants in one link.","Optionally add your name as a last path segment on checkout links (…/checkout/GB/<items>/claude) so the sale is credited to you.","The checkout link is for the shopper's browser. Do not open it yourself.","Signed-in trade account holders see their trade prices at checkout."]}}