---
product_id: 16912760
title: "Koyo SK-C13 Radiator Cap"
brand: "koyorad"
price: "$101"
currency: NZD
in_stock: true
reviews_count: 10
url: https://www.desertcart.nz/products/16912760-koyo-sk-c13-radiator-cap
store_origin: NZ
region: New Zealand
---

# 1.3 Bar pressure rating Precision fit, no modifications needed ISO 9001 certified quality assurance Koyo SK-C13 Radiator Cap

**Brand:** koyorad
**Price:** $101
**Availability:** ✅ In Stock

## Summary

> 🚗 Keep your engine cool and your ride cooler with Koyo’s precision radiator cap!

## Quick Answers

- **What is this?** Koyo SK-C13 Radiator Cap by koyorad
- **How much does it cost?** $101 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/16912760-koyo-sk-c13-radiator-cap)

## Best For

- koyorad enthusiasts

## Why This Product

- Trusted koyorad brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Bold Red Finish:** Striking machined red exterior adds a subtle statement under your hood
- • **Premium Materials:** Crafted from durable aluminum and brass for long-lasting performance
- • **Rigorously Tested:** ISO 9001 certified manufacturing ensures reliability under extreme conditions
- • **Pressure Perfected:** Maintains optimal 1.3 Bar pressure for superior cooling efficiency
- • **Plug & Play Precision:** Engineered for exact vehicle fitment—no drilling or cutting required

## Overview

The Koyo SK-C13 Type A Radiator Cap is a high-quality, vehicle-specific cooling system component designed to maintain a precise 1.3 Bar pressure. Manufactured in ISO 9001 certified facilities using premium aluminum and brass, it guarantees durability and a perfect fit without any modifications. Its bold red machined finish not only enhances performance but also adds a touch of style under the hood.

## Description

Koyo Quality begins with our selection of premium OE grade materials such as: aluminum, copper, brass, and plastics. Koyo products are not only developed and tested to be resilient to harsh outside elements, but also years of under-hood heat cycling as well.

## Features

- Koyo leads the radiator industry in quality, performance, fitment, and extensive list of vehicle applications
- Our quality begins with the careful testing in our R&D department, then to the manufacturing in Koyo’s privately owned ISO 9001 certified factories, and finally to our class leading packaging
- Koyo's process assures that each Koyo OE aftermarket replacement radiator arrives safely and performs perfectly in the hands of the shop and end user
- Our engineers carefully design our radiators offering a true plug and play installation: No drilling, cutting, relocating, or stretching to get our radiators to fit properly
- When you buy a Koyo radiator, you will receive a component that has been engineered to the highest standards

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Koyorad |
| Color | Red |
| Material | Aluminum, Brass |
| Exterior Finish | Machined |
| Item dimensions L x W x H | 5 x 3 x 2 inches |
| Vehicle Service Type | Car, Motorcycle |
| Style | Brass |
| Item Weight | 0.11 Pounds |
| Automotive Fit Type | Vehicle Specific Fit |
| OEM Part Number | SK-C13 |
| Manufacturer | Koyo |
| UPC | 847839000753 |
| Global Trade Identification Number | 00847839000753 |
| Model | Koyo Cooling Systems SK-C13 |
| Item Weight | 1.76 ounces |
| Product Dimensions | 5 x 3 x 2 inches |
| Item model number | SK-C13 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | SK-C13 |

## Product Details

- **Brand:** Koyorad
- **Color:** Red
- **Material:** Aluminum, Brass
- **Exterior Finish:** Machined
- **Item dimensions L x W x H:** 5 x 3 x 2 inches

## Images

![Koyo SK-C13 Radiator Cap - Image 1](https://m.media-amazon.com/images/I/71+3QYhxUML.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    It’s a cap and it’s expensive
  

*by K***A on Reviewed in the United States on August 12, 2024*

Hate myself for buying this but koyorad doesnt give you a cap.

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    It’s Original From Japan
  

*by R***Z on Reviewed in the United States on March 14, 2024*

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    I had my doubts at first but it’s forsure original koyorad cap, go ahead and purchase if u need it

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Appears to be excellent quality; does not fit OEM 3.0L radiator
  

*by D***N on Reviewed in the United States on August 22, 2022*

This radiator cap appears to be very well made. I bought one hoping it would fit the OEM radiator for my 3.0L Outback, but the opening on the stock radiator is really small and the seal on this cap is not. It's definitely made for Koyo's aftermarket radiator and/or the 2.5L turbo H4 Subaru stock system (not sure on that one). I returned this one and unfortunately have no options for a 1.3 bar cap unless I replace my radiator, so I'll be sticking with the stock one, I guess.

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---

*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-03-01*