---
product_id: 18546379
title: "ACDelco GM Original Equipment RC115 (13502509) 20 P.S.I. Radiator Cap"
brand: "acdelco"
price: "79.17 DT"
currency: TND
in_stock: true
url: https://www.desertcart.tn/products/18546379-acdelco-gm-original-equipment-rc115-13502509-20-p-s-i
store_origin: TN
region: Tunisia
---

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

**Brand:** acdelco
**Price:** 79.17 DT
**Availability:** ✅ In Stock

## Summary

> 🛠️ Keep your GM running cool, calm, and collected with the RC115 Radiator Cap!

## Quick Answers

- **What is this?** ACDelco GM Original Equipment RC115 (13502509) 20 P.S.I. Radiator Cap by acdelco
- **How much does it cost?** 79.17 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/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

- • **Boost Engine Efficiency:** Raises coolant boiling point to keep your engine running cooler and stronger.
- • **Durable & Reliable Seal:** Maintains optimal pressure to protect your cooling system and prevent overheating.
- • **Compact Precision Design:** Machined finish with exact dimensions for seamless integration and long-lasting use.
- • **Universal GM Compatibility:** Designed to fit a wide range of GM vehicles for hassle-free installation.
- • **Trusted GM Original Equipment:** Factory-recommended replacement ensures perfect fit and peak performance.

## Overview

The ACDelco GM Original Equipment RC115 Radiator Cap is a high-quality, 20 P.S.I. pressure-rated component designed to maintain optimal cooling system pressure. Engineered to raise the boiling point of engine coolant, it enhances engine efficiency and prevents overheating. This GM-recommended replacement part fits most GM vehicles, offering durable, reliable sealing with a precision-machined finish for long-lasting performance.

## Description

ACDelco GM Original Equipment RC115 (13502509) 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 |
|---------------|-------|
| Brand | ACDelco |
| Color | Black |
| Exterior Finish | Machined |
| Item dimensions L x W x H | 2.5 x 2.4 x 1.5 inches |
| Vehicle Service Type | GM Vehicles |
| Style | Safety |
| Item Weight | 0.11 Pounds |
| Automotive Fit Type | Vehicle Specific Fit |
| OEM Part Number | 13502509 |
| Manufacturer | AC Delco |
| UPC | 707773568880 |
| Global Trade Identification Number | 00707773568880 |
| Model | Radiator Cap |
| Item Weight | 1.76 ounces |
| Product Dimensions | 2.5 x 2.4 x 1.5 inches |
| Item model number | RC115 |
| Manufacturer Part Number | 13502509 |

## 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
- **Vehicle Service Type:** GM Vehicles

## 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.tn/products/18546379-acdelco-gm-original-equipment-rc115-13502509-20-p-s-i](https://www.desertcart.tn/products/18546379-acdelco-gm-original-equipment-rc115-13502509-20-p-s-i)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-01-22*