Heating and Cooling Overflow Tanks and Catch Cans

Mishimoto

Mishimoto 1.1 Bar Rated 99-15 Ford F-250/F-350/F-450/F-550 Super Duty Overflow Reservoir Cap

$380.76

SKU: M00C MMRC-11-FRD

In Stock
In Stock
Ships by Jun 21
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Mishimoto MMRC-11-FRD is a 1.1 Bar overflow reservoir cap designed to raise the boiling point of engine coolant. Installing this cap can help prevent overheating and cooling system failure.

It replaces Ford part numbers 9C3Z-8101-B or Motorcraft RS-527.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandMishimoto
Part NumberM00C MMRC-11-FRD

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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