{"product_id":"mk4-diesel-fuel-return-line-1j0201374k","title":"MK4 Diesel Fuel Return Line 1J0201374K","description":"\u003ch2\u003eStop the Leak. Keep Your TDI Running Right.\u003c\/h2\u003e\u003cp\u003eIf your MK4 TDI is showing signs of a fuel smell, rough idle, or fuel weeping near the injection system, a cracked or brittle fuel return line is often the culprit. This is a common age-related failure on MK4 diesels — and it's an easy fix when you have the right part.\u003c\/p\u003e\u003ch3\u003eWhat You're Getting\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOEM-spec fuel return line for MK4 platform diesel engines\u003c\/li\u003e\n\u003cli\u003ePart number: \u003cstrong\u003e1J0201374K\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eDirect replacement — no cutting, splicing, or adapters needed\u003c\/li\u003e\n\u003cli\u003eDesigned to handle diesel fuel and the heat cycles of the TDI engine bay\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eVW Golf MK4 TDI\u003c\/li\u003e\n\u003cli\u003eVW Jetta MK4 TDI\u003c\/li\u003e\n\u003cli\u003eVW Beetle TDI (confirm fitment by part number)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Replace It Now?\u003c\/h3\u003e\u003cp\u003eFuel return lines on MK4 TDIs harden and crack with age. A failed line can cause fuel odour in the cabin, poor fuel economy, and in worst cases, a fire hazard. This is a straightforward DIY repair — typically under 30 minutes with basic hand tools.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder today and get your TDI back to reliable daily driving.\u003c\/strong\u003e\u003c\/p\u003e","brand":"V DUB HUB","offers":[{"title":"Default Title","offer_id":46326886990060,"sku":"","price":30.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/2288\/3052\/files\/rn-image_picker_lib_temp_91b2f57f-450a-43e1-8ec7-733d37d09a0e.jpg?v=1743442090","url":"https:\/\/canadacatalyst.ca\/products\/mk4-diesel-fuel-return-line-1j0201374k","provider":"V DUB HUB","version":"1.0","type":"link"}