---
product_id: 3500940
title: "ACDelco GM Original Equipment RC98 (15075118) 15 P.S.I. Radiator Surge Tank Cap"
brand: "acdelco"
price: "78.20 DT"
currency: TND
in_stock: true
reviews_count: 13
category: "Ac Delco"
url: https://www.desertcart.tn/products/3500940-acdelco-gm-original-equipment-rc98-15075118-15-p-s-i
store_origin: TN
region: Tunisia
---

# 15 P.S.I. pressure rating Fits most GM vehicle models GM OE quality & durability ACDelco GM Original Equipment RC98 (15075118) 15 P.S.I. Radiator Surge Tank Cap

**Brand:** acdelco
**Price:** 78.20 DT
**Availability:** ✅ In Stock

## Summary

> 🛠️ Keep your engine cool and your ride flawless with GM’s trusted surge tank cap!

## Quick Answers

- **What is this?** ACDelco GM Original Equipment RC98 (15075118) 15 P.S.I. Radiator Surge Tank Cap by acdelco
- **How much does it cost?** 78.20 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/3500940-acdelco-gm-original-equipment-rc98-15075118-15-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

- • **Trusted Longevity:** Backed by a 24-month unlimited mile warranty for peace of mind on every drive.
- • **Effortless Installation:** Twist-on design makes replacement quick and secure, saving you time and stress.
- • **Factory-Grade Reliability:** Genuine GM Original Equipment ensures unmatched durability and leak-proof sealing.
- • **Seamless GM Compatibility:** Designed to fit a wide range of GM vehicles for hassle-free installation and perfect fit.
- • **Precision Pressure Control:** Maintains optimal 15 P.S.I. to boost coolant boiling point and engine efficiency.

## Overview

The ACDelco GM Original Equipment RC98 Radiator Surge Tank Cap is a high-quality, vehicle-specific replacement part engineered to maintain 15 P.S.I. pressure in your cooling system. Compatible with most GM models, it raises coolant boiling points to enhance engine performance and reliability. Featuring a durable twist-on design and backed by a 24-month unlimited mile warranty, this genuine GM cap ensures a perfect fit and leak-proof seal for long-lasting vehicle safety.

## Description

ACDelco GM Original Equipment RC98 15 P.S.I. Radiator Surge Tank Cap

Review: Perfect Fit and Works Great - This cap fit perfectly on my vehicle and sealed tightly with no leaks. It’s a genuine GM replacement part, so the quality is excellent and it works just like the original. Easy to install and has held pressure with no issues since putting it on. A good, reliable replacement if your old one is worn out or cracked.
Review: Oem - Perfect replacement for my Chevy. Old cap had a bad seal, new one fit Perfect and was way cheaper then local parts store. Will by again when needed.

## 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 | B000IXRMSM |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #17,683 in Automotive ( See Top 100 in Automotive ) #5 in Automotive Replacement Radiator Standard |
| Brand | ACDelco |
| Brand Name | ACDelco |
| Closure Type | Twist-On |
| Color | Black |
| Compatible with Vehicle Type | Car |
| Customer Reviews | 4.8 out of 5 stars 2,202 Reviews |
| Exterior Finish | Chrome |
| Global Trade Identification Number | 00021625492063 |
| Included Components | 15075118 |
| Item Dimensions | 2.44 x 2.44 x 1.44 inches |
| Item Type Name | CAP,RAD SURGE TK |
| Item Weight | 0.13 Pounds |
| Item dimensions L x W x H | 2.44 x 2.44 x 1.44 inches |
| Manufacturer | AC Delco |
| Manufacturer Part Number | 15075118 |
| 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. |
| Model Number | RC98 |
| OEM Equivalent Part Number | 15075118 |
| Style | Safety |
| Style Name | Safety |
| UPC | 021625492063 |
| Unit Count | 1.0 Count |
| Vehicle Service Type | Car |

## Product Details

- **Brand:** ACDelco
- **Color:** Black
- **Exterior Finish:** Chrome
- **Item dimensions L x W x H:** 2.44 x 2.44 x 1.44 inches
- **Vehicle Service Type:** Car

## Images

![ACDelco GM Original Equipment RC98 (15075118) 15 P.S.I. Radiator Surge Tank Cap - Image 1](https://m.media-amazon.com/images/I/61PyZKakFsL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect Fit and Works Great
*by M***M on November 4, 2025*

This cap fit perfectly on my vehicle and sealed tightly with no leaks. It’s a genuine GM replacement part, so the quality is excellent and it works just like the original. Easy to install and has held pressure with no issues since putting it on. A good, reliable replacement if your old one is worn out or cracked.

### ⭐⭐⭐⭐⭐ Oem
*by B***3 on May 25, 2026*

Perfect replacement for my Chevy. Old cap had a bad seal, new one fit Perfect and was way cheaper then local parts store. Will by again when needed.

### ⭐⭐⭐⭐⭐ Good product
*by S***C on June 12, 2026*

Works for captiva 2011, i change the deposit and everything worked well

## Frequently Bought Together

- ACDelco GM Original Equipment RC98 15 P.S.I. Radiator Surge Tank Cap
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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-09-10*