Weapon-R 826-143-101 Polished Aluminum Coolant Overflow Tank

The Weapon-R 826-143-101 is a high-performance polished aluminum coolant overflow tank designed specifically for 2011-2020 Toyota Sienna vehicles equipped with the 3.5L V6 engine. This premium upgrade replaces the factory plastic reservoir with a durable, race-inspired billet aluminum component that adds both functionality and visual appeal to your engine bay.

Premium Construction:

• Crafted from CNC-machined billet 6061 aluminum for maximum strength and heat dissipation
• TIG welded construction ensures leak-free performance
• Billet aluminum machined fittings provide proper fitting seals
• Polished finish delivers a show-quality appearance

Complete Installation Kit:

• Aluminum mounting bracket and stainless steel clamps included
• 3 feet of clear fiber-reinforced tubing for coolant routing
• Vehicle-specific design aligns with OEM bolt holes for easy installation
• No modifications required for proper fitment

Designed with racers and enthusiasts in mind, this coolant overflow tank safely captures excess coolant during extreme driving conditions, preventing spills and maintaining optimal cooling system performance. The robust aluminum construction withstands high temperatures and provides superior durability compared to factory plastic components.