Mishimoto

Mishimoto MMRT1LBK Coolant Overflow Tank

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SKU:
20997407
MPN:
mmrt1lbk
Availability:
Usually ships the same or next business day. In stock at our GA, PA, TX, WA warehouses.
Shipping:
Calculated at Checkout
Stock Update:
04/24/2026 08:03:09 PM PST
$79.66
Stock Update:
04/24/2026 08:03:09 PM PST

Description

This item is brand-new, factory sealed.

Mishimoto MMRT-1LBK Universal Coolant Overflow Tank, 1 Quart, Black
  • Ideal replacement for plastic factory overflow tank
  • Constructed from durable 3mm-thick aluminum. Professionally fabricated with flawless precision TIG welding
  • Sight tube and inlet/outlet ports are interchangeable thanks to uniform threading
  • Multiple finish options available, including polished aluminum, anodized black, anodized blue, and anodized red
  • Mishimoto Lifetime Warranty
  • Capacity: ?1 Quarts
  • Product Grade: ?Replacement Part
  • Vehicle Fitment Note: ?Universal
  • Vehicle Fitment Code: ?Universal
  • Global Trade Identification Number: ?00840197704134
  • UPC: ?840197704134
  • Manufacturer: ?Mishimoto
  • Model: ?Mishimoto Universal Coolant Overflow Tank, 1 Quart, Black
  • Item Weight: ?1.83 pounds
  • Product Dimensions: ?7.9 x 6.1 x 3.8 inches
  • Country of Origin: ?China
  • Item model number: ?MMRT-1LBK
  • Is Discontinued By Manufacturer: ?No
  • Manufacturer Part Number: ?MMRT-1LBK

Although it's often overlooked, a durable coolant overflow tank is a crucial component of any cooling system. Leaks within the overflow system can result in air entry into your coolant, which ultimately leads to overheating. Upgrade your plastic overflow tank with Mishimotos Universal 1 Quart Coolant Overflow Tank. Our tank is constructed from durable 3mm-thick aluminum, featuring stunning precision TIG welds. In addition, this overflow tank includes a sight tube, which provides an accurate look at your fluid level. This sight tube is removable and can be installed on either end of the tank, which is helpful when installing in a cramped engine compartment. Mishimotos all-aluminum coolant overflow tank includes a CNC-machined billet cap with an O-ring seal, ensuring leak-free operation. In addition, weve incorporated a magnetic drain plug on the base of the tank, which removes ferrous contaminants from your cooling system. We offer various finishes for this overflow tank, including an anodized finish in black, blue, and red and a polished aluminum finish. As with all our products, this coolant overflow tank includes our signature Mishimoto Lifetime Warranty.

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Warranty Information

All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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Mishimoto MMRT1LBK Coolant Overflow Tank
$79.66