---
product_id: 623931188
title: "ACDelco RC111 GM Original Equipment 18 P.S.I. Radiator Cap"
brand: "acdelco"
price: "₨1012"
currency: SCR
in_stock: true
reviews_count: 5
category: "Ac Delco"
url: https://www.desertcart.sc/products/623931188-acdelco-rc111-gm-original-equipment-18-p-s-i-radiator
store_origin: SC
region: Seychelles
---

# 18 PSI pressure rating Fits most GM vehicle models Made in USA stainless steel ACDelco RC111 GM Original Equipment 18 P.S.I. Radiator Cap

**Brand:** acdelco
**Price:** ₨1012
**Availability:** ✅ In Stock

## Summary

> 🚗 Keep your engine cool and your ride smooth with GM’s trusted pressure seal!

## Quick Answers

- **What is this?** ACDelco RC111 GM Original Equipment 18 P.S.I. Radiator Cap by acdelco
- **How much does it cost?** ₨1012 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/623931188-acdelco-rc111-gm-original-equipment-18-p-s-i-radiator)

## 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

- • **OEM-Grade Reliability:** GM-recommended original equipment ensures factory-level quality and durability.
- • **Effortless Installation:** No assembly required—get your cooling system sealed and pressurized in minutes.
- • **Precision Pressure Control:** Maintains optimal 18 PSI to boost engine cooling efficiency and prevent overheating.
- • **Universal GM Compatibility:** Seamlessly fits a wide range of GM vehicles for hassle-free replacement.
- • **Durable Stainless Steel Build:** Crafted with corrosion-resistant stainless steel for long-lasting performance.

## Overview

The ACDelco RC111 Radiator Cap is a GM original equipment part designed to maintain 18 PSI pressure in your vehicle’s cooling system. Made from durable stainless steel in the USA, it fits most GM models and ensures reliable, leak-free performance to keep your engine running efficiently and safely.

## Description

ACDelco GM Original Equipment RC111 18 P.S.I. Radiator Cap

Review: It’s an OEM part for my Chevy Impala 2006 3.5L by GM. It works just fine, it keeps my cooling system pressurized properly, I can feel the hoses get tight. No leaks. Ops check good at this time.
Review: Worked. Cooling system holds pressure. Have be able to ignore this issue ever since.

## 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 | B000IZ5E1M |
| Assembly Required | No |
| Brand | ACDelco |
| Colour | Black |
| Country of Origin | USA |
| Customer Reviews | 4.7 4.7 out of 5 stars (450) |
| Date First Available | 7 August 2012 |
| Exterior Finish | Stainless Steel |
| Global Trade Identification Number | 00707773127018 |
| Item Dimensions LxWxH | 6.4 x 6.1 x 3.8 Centimeters |
| Item Weight | 63.5 g |
| Item dimensions L x W x H | 6.4 x 6.1 x 3.8 Centimeters |
| Item model number | RC111 |
| Manufacturer | ACDelco |
| Manufacturer Part Number | 15293434 |
| Material | Stainless Steel |
| Net Quantity | 1.0 Count |
| OEM Part Number | 15293434 |
| Product Dimensions | 6.35 x 6.1 x 3.81 cm; 63.5 g |
| Style | Modern |
| UPC | 707773127018 |
| Vehicle Service Type | Car, Truck, Van |

## Product Details

- **Brand:** ACDelco
- **Colour:** Black
- **Exterior Finish:** Stainless Steel
- **Item dimensions L x W x H:** 6.4 x 6.1 x 3.8 Centimeters
- **Material:** Stainless Steel

## Images

![ACDelco RC111 GM Original Equipment 18 P.S.I. Radiator Cap - Image 1](https://m.media-amazon.com/images/I/31SO8X8s2yL.jpg)
![ACDelco RC111 GM Original Equipment 18 P.S.I. Radiator Cap - Image 2](https://m.media-amazon.com/images/I/31wbjfhUX4L.jpg)
![ACDelco RC111 GM Original Equipment 18 P.S.I. Radiator Cap - Image 3](https://m.media-amazon.com/images/I/716nn6T0loL.jpg)

## Questions & Answers

**Q: Does this fit on a 2009 chevrolet impala ss v8 5.3 liter ?**
A: I would go to Advance auto website and look up this item and compare the part number to see if it will. It did fit my v8 2006 impala

**Q: Is this item actually a 18 psi radiator cap?**
A: Yes. This item is a psi radiator cap.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by J***T on 12 November 2025*

It’s an OEM part for my Chevy Impala 2006 3.5L by GM. It works just fine, it keeps my cooling system pressurized properly, I can feel the hoses get tight. No leaks. Ops check good at this time.

### ⭐⭐⭐⭐⭐ Review
*by P***N on 6 October 2025*

Worked. Cooling system holds pressure. Have be able to ignore this issue ever since.

### ⭐⭐⭐⭐⭐ Review
*by D***O on 1 January 2026*

Perfecto

## Frequently Bought Together

- ACDelco GM Original Equipment RC111 18 P.S.I. Radiator Cap
- Dorman 902-696 Engine Coolant Filler Neck Compatible with Select Models
- MotoRad 511-185 Engine Coolant Thermostat

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-03-03*