---
product_id: 18546379
title: "ACDelco GM Original Equipment RC115 (13502509) 20 P.S.I. Radiator Cap"
brand: "acdelco"
price: "¥4512"
currency: JPY
in_stock: true
category: "Ac Delco"
url: https://www.desertcart.jp/products/18546379-acdelco-gm-original-equipment-rc115-13502509-20-p-s-i
store_origin: JP
region: Japan
---

# 20 P.S.I. pressure rating Fits most GM models OEM quality & durability ACDelco GM Original Equipment RC115 (13502509) 20 P.S.I. Radiator Cap

**Brand:** acdelco
**Price:** ¥4512
**Availability:** ✅ In Stock

## Summary

> 🛠️ Keep your GM running cool with precision and power!

## Quick Answers

- **What is this?** ACDelco GM Original Equipment RC115 (13502509) 20 P.S.I. Radiator Cap by acdelco
- **How much does it cost?** ¥4512 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/18546379-acdelco-gm-original-equipment-rc115-13502509-20-p-s-i)

## Best For

- acdelco enthusiasts

## Why This Product

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

## Key Features

- • **Peace of Mind Warranty:** Backed by a 24-month unlimited mile limited warranty for confident, worry-free driving.
- • **Factory-Grade Reliability:** GM-recommended original equipment part guarantees trusted performance and longevity.
- • **Seamless GM Compatibility:** Designed to fit a wide range of GM vehicles, ensuring hassle-free installation and perfect fit.
- • **Precision Pressure Control:** Maintains optimal 20 P.S.I. to boost engine cooling efficiency and prevent overheating.
- • **Durable Alloy Steel Construction:** Machined black finish offers robust protection against wear and corrosion for lasting use.

## Overview

The ACDelco GM Original Equipment RC115 20 P.S.I. Radiator Cap is a factory-recommended replacement part engineered to maintain optimal cooling system pressure, raise coolant boiling point, and fit most GM vehicles. Crafted from durable alloy steel with a machined finish, it ensures reliable, long-lasting performance backed by a 24-month unlimited mile warranty.

## Description

ACDelco GM Original Equipment RC115 20 P.S.I. Radiator Cap

## Features

- Seal and maintain pressure on the cooling system for vehicle safety
- Raise the boiling point of the engine coolant to maintain efficiency
- Fit most models of GM vehicles for expanded coverage
- GM-recommended replacement part for your GM vehicle’s original factory component
- Offering the quality, reliability, and durability of GM OE

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B002E51WJM |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #45,449 in Automotive ( See Top 100 in Automotive ) #30 in Automotive Replacement Radiator Standard #857 in Automotive Replacement Engine Cooling & Climate Control |
| Brand Name | ACDelco |
| Closure Type | Twist-On |
| Color | Black |
| Compatible with Vehicle Type | GM Vehicles |
| Customer Reviews | 4.8 4.8 out of 5 stars (574) |
| Exterior Finish | Machined |
| Global Trade Identification Number | 00707773568880 |
| Included Components | Radiator Cap |
| Item Dimensions | 2.5 x 2.4 x 1.5 inches |
| Item Type Name | Radiator Cap |
| Item Weight | 1.76 ounces |
| Manufacturer | AC Delco |
| Manufacturer Part Number | 13502509 |
| Manufacturer Warranty Description | 24 Month / Unlimited Mile Limited Warranty on parts sold on or after 04/01/18. (Parts Only) Please see ACDelco.com for more details. |
| Material Type | Alloy Steel |
| Model Number | RC115 |
| Number of Items | 1 |
| OEM Equivalent Part Number | 13502509 |
| Style Name | Safety |
| UPC | 707773568880 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** ACDelco
- **Color:** Black
- **Exterior Finish:** Machined
- **Item dimensions L x W x H:** 2.5 x 2.4 x 1.5 inches
- **Material:** Alloy Steel

## Images

![ACDelco GM Original Equipment RC115 (13502509) 20 P.S.I. Radiator Cap - Image 1](https://m.media-amazon.com/images/I/71IdOfX+WpL.jpg)

## Questions & Answers

**Q: Is there an oring between this cap and the tank?**
A: This cap screws onto the top of tbe coolant reservoir, or overflow tank, whichever name you want to call it

**Q: Do you have radiator cap in blue**
A: No

**Q: pontiac g8 2008 .. fit ?**
A: yes

**Q: Does it fit a2013 chevy 3500hd with a 6.6 duramax**
A: yes 6.6l duramax

## Frequently Bought Together

- ACDelco GM Original Equipment RC115 20 P.S.I. Radiator Cap
- GM Parts 22948113 Radiator Surge Tank
- X AUTOHAUX Upper Radiator Surge Tank Inlet Hose Reservoir Hose 22908202 for Cadillac ATS CTS for Chevrolet Camaro 4 Cyl 2.0L 2013-2018 Engine Coolant Overflow Hose Recovery Tank Hose

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**Shop now:** [https://www.desertcart.jp/products/18546379-acdelco-gm-original-equipment-rc115-13502509-20-p-s-i](https://www.desertcart.jp/products/18546379-acdelco-gm-original-equipment-rc115-13502509-20-p-s-i)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-26*