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Heating and Cooling Thermostats, Housings and Fillers

Koyo

Koyo Type A Radiator Cap (Red / 1.3 Bar)

$49.20 $45.26 Save $3.94

SKU: K050 SK-C13

In Stock
In Stock
Ships by Sep 21
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Overview

The Koyo Universal Hyper Red Radiator Cap (SK-C13) is a high-pressure radiator cap designed to enhance cooling system performance. It features a Hyper Red finish and a 1.3 Bar pressure rating, which raises the boiling point of water to help relieve excessive heat in high-performance engines. This cap is crafted in Japan from quality aluminum and brass materials for longevity.
Show original supplier description

Part #: SK-C13

Vehicle Symptoms
  • Coolant boiling over after hard driving
  • Engine temperature spikes under load
  • Loss of coolant from overflow tank
  • Radiator cap not sealing properly
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Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandKoyo
Part NumberK050 SK-C13

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Returns & Fitment

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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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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