---
product_id: 25553777
title: "ACDelco GM Original Equipment RC111 (15293434) 18 P.S.I. Radiator Cap"
brand: "acdelco"
price: "₨9184"
currency: LKR
in_stock: true
reviews_count: 13
category: "Ac Delco"
url: https://www.desertcart.lk/products/25553777-acdelco-gm-original-equipment-rc111-15293434-18-p-s-i
store_origin: LK
region: Sri Lanka
---

# OEM exact fit for GM models Stainless steel durability 18 PSI pressure seal ACDelco GM Original Equipment RC111 (15293434) 18 P.S.I. Radiator Cap

**Brand:** acdelco
**Price:** ₨9184
**Availability:** ✅ In Stock

## Summary

> 🛠️ Keep your GM running cool with precision-engineered confidence!

## Quick Answers

- **What is this?** ACDelco GM Original Equipment RC111 (15293434) 18 P.S.I. Radiator Cap by acdelco
- **How much does it cost?** ₨9184 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/25553777-acdelco-gm-original-equipment-rc111-15293434-18-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

- • **Leak-Proof Seal Assurance:** Keeps your cooling system pressurized tight, preventing leaks and overheating risks.
- • **Precision Pressure Control:** Maintains optimal 18 PSI to boost coolant boiling point and engine efficiency.
- • **Factory-Recommended Quality:** Trusted GM original equipment part for peace of mind and peak vehicle performance.
- • **Guaranteed OEM Compatibility:** Specifically engineered to fit most GM vehicles perfectly—no guesswork, just seamless installation.
- • **Durable Stainless Steel Build:** Corrosion-resistant finish ensures long-lasting reliability under extreme conditions.

## Overview

The ACDelco GM Original Equipment RC111 Radiator Cap is a high-quality, stainless steel, 18 PSI pressure cap designed to maintain optimal cooling system pressure. Engineered as a direct OEM replacement for most GM vehicles, it ensures a perfect fit, prevents leaks, and raises coolant boiling point for enhanced engine efficiency and durability.

## Description

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

Review: Not much to say, it just works - 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: Perfect Fit For 2008 Impala - 18 PSI cap for 2008 Impala 3.5 liter. Fit was perfect and installed easy with no leaks. GM cap at a great value.

## 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 |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #103,708 in Automotive ( See Top 100 in Automotive ) #94 in Automotive Replacement Radiator Standard #2,459 in Automotive Replacement Engine Cooling & Climate Control |
| Brand | ACDelco |
| Color | Black |
| Customer Reviews | 4.7 4.7 out of 5 stars (465) |
| Date First Available | October 10, 2007 |
| Exterior Finish | Stainless Steel |
| Global Trade Identification Number | 00707773127018 |
| Item Weight | 2.24 ounces |
| Item dimensions L x W x H | 2.5 x 2.4 x 1.5 inches |
| Item model number | RC111 |
| Manufacturer | AC Delco |
| Manufacturer Part Number | 15293434 |
| Material | Stainless Steel |
| Model | Radiator Cap |
| OEM Part Number | 15293434 |
| Product Dimensions | 2.5 x 2.4 x 1.5 inches |
| Style | Safety |
| UPC | 707773127018 |
| Vehicle Service Type | Vehicleâ,Vehicles |

## Product Details

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

## Images

![ACDelco GM Original Equipment RC111 (15293434) 18 P.S.I. Radiator Cap - Image 1](https://m.media-amazon.com/images/I/716nn6T0loL.jpg)

## Available Options

This product comes in different **Size** options.

## 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

### ⭐⭐⭐⭐⭐ Not much to say, it just works
*by J***T on November 12, 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.

### ⭐⭐⭐⭐⭐ Perfect Fit For 2008 Impala
*by O***N on November 3, 2025*

18 PSI cap for 2008 Impala 3.5 liter. Fit was perfect and installed easy with no leaks. GM cap at a great value.

### ⭐⭐⭐⭐⭐ Trouble free
*by N***I on December 30, 2025*

ACdelco is good parts

## 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 Sri Lanka*
*Store origin: LK*
*Last updated: 2026-03-04*