---tab Description--- Coolant Reservoir for 2003–2007 Ford 6.0L Powerstroke Coolant Overflow Tank SPELAB The factory plastic reservoir on your Ford 6.0L Powerstroke often turns brittle, cloudy, and leak-prone over time. SPELAB’s upgrade is a direct-fit replacement, made from TIG-welded 6061 aluminum for maximum strength and durability. Why Upgrade to SPELAB? SPELAB’s 6061 aircraft-grade aluminum coolant reservoir is TIG-welded and pressure-tested to deliver unmatched durability and leak resistance. Unlike stock plastic tanks made from two sealed halves, our one-piece aluminum design eliminates common failure points like cracking and seam separation. Key Features: Premium 6061 Aluminum – Stronger and more heat-resistant than OEM plasticTIG-Welded Construction – Ensures long-term reliability under pressureSight Glass Window – Easily monitor coolant levels at a glanceInternal baffles— help prevent cooling system starvation and air pocketsImproved Heat Dissipation – Helps manage engine temperature more efficiently Specifications: Brand SPELAB SKU SPCS08584/SPCS08584BK Color Silver/Black Weight 2.75 kg Type Coolant Expansion Tank fitment 2003-2007 Ford F250 F350 F450 F550 Superduty 6.0L Powerstroke Diesel Silver and black versions:Silver is made of billet steel and black is made of a durable aluminum alloy. The black version is stronger and offers greater resistance to oxidation, abrasion and a sleek appearance. Optional Billet Aluminum Coolant Cap Before using the pressure relief cap, apply lubricating oil and then tighten it all the way to the bottom. For those seeking an upgrade beyond the factory cap, the SPELAB Billet Aluminum Coolant Cap is designed to enhance your cooling system’s reliability, sealing performance, and durability. This precision-machined cap ensures optimal pressure retention, preventing leaks and coolant loss under extreme conditions. the billet aluminum coolant cap provides: Superior Sealing & Leak Prevention – Helps prevent coolant overflow and pressure loss. High-Pressure Resistance – Designed to withstand extreme operating conditions. Increased Durability – Resists cracking, aging, and wear far better than plastic caps. Optimized for Heavy-Duty and Performance Applications – Ideal for high-temperature and high-performance environments. Always apply lubricant to the threads before installation to prevent damage. When tightening, leave a 1–2mm gap—do not fully tighten the cap all the way down to avoid thread wear. ---tab shipping & returns--- Fast Shipping Policy Your order will be dispatched within 1-2 business days, and the package will arrive within your order's estimated date. Click for Shipping Policy Easy Return Policy Every order comes with a 14-day free return, which means you don't have to pay for a return slip. Click for Return Policy ---tab Fitment--- Vehicle Fitment (6.0L Powerstroke V8 Diesel ONLY) This Coolant Reservoir / Degas Bottle is designed to fit the following vehicles: 2003 Ford F-250, F-350, F-450,...