SKU: MMRT-1LP | UPC: 840197704134
Mishimoto 1L Coolant Overflow Tank – Polished (Universal Fit)
Replace your factory plastic coolant overflow tank with the Mishimoto 1L Polished Aluminum Coolant Overflow Tank, designed for universal fitment across a wide range of vehicles. This tank prevents air ingress that causes overheating by providing a durable, leak-proof reservoir. Constructed from 3mm-thick aluminum with precision TIG welds, it ensures long-term reliability in demanding conditions.
Key Features
- 3mm-Thick Aluminum Construction: Resists corrosion and handles high-pressure cooling systems better than plastic tanks, with precision TIG welds for structural integrity
- Removable Sight Tube: Allows accurate fluid level monitoring and installs on either end for flexibility in tight engine bays
- CNC-Machined Billet Cap: Features O-ring seal for completely leak-free performance and secure pressurization
- Magnetic Drain Plug: Captures ferrous metal particles from coolant to maintain system cleanliness
- Polished Finish: Adds a clean, professional appearance to engine compartments while protecting against oxidation
Product Notes
- Universal design requires custom mounting brackets or straps for installation
- Periodically remove magnetic drain plug to clean captured contaminants
- Avoid overfilling. use sight tube to maintain proper coolant level
Installation Notes
- Professional installation recommended.
- Compatible with 5/16-inch ID hoses for inlet and outlet connections
- Mount vertically in an accessible location for easy sight tube viewing and cap access
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal Fit | – | – | Custom Applications |
Why Choose Mishimoto?
- Lifetime Warranty covers defects in materials and craftsmanship
- Engineered and tested for motorsport and street performance demands
- Backed by decades of cooling system innovation and direct replacement success
Frequently Asked Questions
- Q: Will this tank fit my specific vehicle?
A: This is a universal tank designed for custom installations on most cars, trucks, and motorcycles with adequate mounting space - Q: What material and finish does it have?
A: Made from 3mm-thick aluminum with a polished finish for durability and visual appeal. sight tube is impact-resistant polymer - Q: What warranty is included?
A: Mishimoto Lifetime Warranty protects against manufacturing defects when installed and used properly
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Protective Mishimoto box, 9.5 x 4 x 3.5 inches
- Weight: 1.4 lbs





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