{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"0af7a96276ec","name":"REAR BRAKE MASTER CYLINDER HONDA 2002-2022 CRF250R CRF450R 2004-2020 CRF450X CRF250X","sku":"42-4749.A3","brand":"Dirt Racing","mpn":null,"gtin":null,"condition":"new","inStock":false,"stock":0,"price":{"amount":34.45,"formatted":"£34.45"},"summary":"Rear brake master cylinder assembly with M10 banjo connection and 50 mm mounting hole spacing. Overall length 175 mm. Colour Silver. Direct OEM replacement meeting or exceeding OEM quality. Manufactured with high-tech materials for reliability and performance. Replaces OEM part numbers 43500-MEN-305, 43500-KZ4-J43, 43500-KZ4-J41, 43500-KZ4-J42.","attributes":[],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/42-4749_2EA3/180b85aed201e92e.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/42-4749_2EA3/180b85aed201e92e.jpg"],"description":"Rear brake master cylinder assembly with M10 banjo connection and 50 mm mounting hole spacing. Overall length 175 mm. Colour Silver. Direct OEM replacement meeting or exceeding OEM quality. Manufactured with high-tech materials for reliability and performance. Replaces OEM part numbers 43500-MEN-305, 43500-KZ4-J43, 43500-KZ4-J41, 43500-KZ4-J42.","descriptionMarkdown":"### Rear Brake Master Cylinder - Direct OEM Replacement\n\nThis rear brake master cylinder assembly is designed as a direct, high-quality replacement for your motorcycle. Engineered with precision using durable materials, it ensures reliable braking performance. It features an M10 banjo connection and a 50 mm mounting hole spacing for a precise fit.\n\n**Key Features:**\n\n\t\n- Unmatched reliability and performance from high-tech materials.\n\t\n- Manufactured to exacting standards for confidence.\n\t\n- Meets or exceeds OEM quality.\n\t\n- Direct OEM replacement part.\n\t\n- Best value for money.\n\t\n- High-quality replacement part with a satisfaction guarantee.\n\t\n- Easy to install; professional installation recommended if unsure.\n\n**Specifications:**\n\n\t\n- Placement: Rear\n\t\n- Mounting Hole Spacing: 50 mm\n\t\n- Overall Length: 175 mm\n\t\n- Colour: Silver\n\t\n- Banjo Bolt Size: M10\n\n**Cross-Reference OEM Part Numbers:**\n\n\t\n- 43500-MEN-305\n\t\n- 43500-KZ4-J43\n\t\n- 43500-KZ4-J41\n\t\n- 43500-KZ4-J42\n\t\n- 43520-KZ4-J42 (PISTON SET, MASTER CYLINDER)\n\t\n- 43520-KZ4-J43 (PISTON SET, MASTER CYLINDER)\n\t\n- 46504-KZ4-J41 (JOINT, BRAKE ROD)\n\t\n- 43530-KZ4-J41 (ROD, PUSH)\n\t\n- 43522-KZ4-J41 (DIAPHRAGM)\n\t\n- 43513-KZ4-J41 (CAP, MASTER CYLINDER)\n\t\n- 43521-KZ4-J41 (PLATE, DIAPHRAGM)\n\t\n- 93401-04016-00 (BOLT-WASHER 4X16)\n\t\n- 94002-06000-0S (NUT, HEX. 6MM)","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/rear-brake-master-cylinder-honda-2002-2022-crf250r-crf450r-2004-2020-crf450x-crf","buyOneNow":null,"basketWithThis":null}},"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. Checkout links only work for shoppers in the UK: for anywhere else, give them the product pages.","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."]}}