{"product_id":"aluminum-coolant-overflow-expansion-tank-for-ford-excursion-2000-2005-5-4l-6-8l","title":"Aluminum Coolant Overflow Expansion Tank for Ford Excursion (2000-2005) 5.4L 6.8L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHeavy-Duty Aluminum Coolant Overflow Expansion Tank for 2000-2005 Ford Excursion (\u003cstrong\u003eU137\u003c\/strong\u003e)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The aluminum coolant overflow expansion tank replaces the leak-prone factory plastic degas bottle on the 2000-2005 Ford Excursion to prevent catastrophic coolant loss and maintain reliable cooling system pressurization under heavy towing loads.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Ford Excursion Degas Bottle Failure\u003c\/h3\u003e\n\u003cp\u003eFactory polyethylene degas reservoirs on the \u003cstrong\u003eU137\u003c\/strong\u003e platform degrade rapidly under high underhood thermal cycling and continuous cooling circuit pressure. Over years of service, cyclic heat exposure embrittles the factory plastic, causing hairline stress fractures along the molded seams, mounting flanges, and hose barbs. Under severe load or heavy towing with the \u003cstrong\u003eTriton 5.4L V8\u003c\/strong\u003e or \u003cstrong\u003eTriton 6.8L V10\u003c\/strong\u003e, these stress points breach, venting cooling system pressure, depressing the coolant boiling point, and leaving the engine vulnerable to overheating.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis replacement reservoir is constructed from heavy-gauge, corrosion-resistant fabricated aluminum with precision TIG-welded seams. Unlike brittle OEM polymers, aluminum will not oxidize, warp, or fatigue under repeated thermal expansion and mechanical vibration. The assembly features durable, machined hose connections matching factory routing and reinforced mounting brackets designed for drop-in installation. Every unit is pressure tested to ensure total integrity at and above factory cap operating pressures.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n  \u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px; min-width: 300px;\"\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eFitment\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e2000-2005 Ford Excursion\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eEngine \/ Chassis\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e\n\u003cstrong\u003eModular Triton 2V (5.4L \/ 6.8L)\u003c\/strong\u003e \/ \u003cstrong\u003eU137\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eStock Output\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e255–310 hp \/ 350–425 lb-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eReplaces OEM Part #\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e\n\u003cstrong\u003e2C3Z-8A080-AA\u003c\/strong\u003e, \u003cstrong\u003eXC3Z-8A080-AA\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2000-2004 Ford Excursion 5.4L Triton V8\u003c\/li\u003e\n  \u003cli\u003e2000-2005 Ford Excursion 6.8L Triton V10\u003c\/li\u003e\n  \u003cli\u003e\u003cem\u003eNote: Does not fit 2005 Excursion 5.4L V8 models or diesel applications.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the U137 Excursion?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2000-2005 Ford Excursion equipped with the \u003cstrong\u003eTriton 5.4L V8\u003c\/strong\u003e (2000-2004) or \u003cstrong\u003eTriton 6.8L V10\u003c\/strong\u003e (2000-2005) engine.\u003c\/p\u003e\n\n\u003ch4\u003eDoes this tank reuse the factory mounting provisions and hose lines?\u003c\/h4\u003e\n\u003cp\u003eYes, the unit drops directly into the original chassis mounting holes and interfaces seamlessly with the stock radiator overflow and engine deaeration lines.\u003c\/p\u003e\n\n\u003ch3\u003eThe Ford Towing Caliber\u003c\/h3\u003e\n\u003cp\u003eFull-size Ford haulers depend on rock-solid cooling stability to pull heavy gross combined vehicle weights without thermal breakdown. Upgrading to an all-aluminum degas tank permanently eliminates plastic weak points for uncompromising towing dependability.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67525245239544,"sku":"DS-EVHAK9K2N","price":138.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/aluminum-coolant-overflow-expansion-tank-for-ford-excursion-2000-2005-5-4l-6-8l-1.webp?v=1790479328","url":"https:\/\/performancechiptuning.com\/es\/products\/aluminum-coolant-overflow-expansion-tank-for-ford-excursion-2000-2005-5-4l-6-8l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}