---
product_id: 6638756
title: "ACDelco GM Original Equipment RC85 (15042975) 15 P.S.I. Radiator Cap"
brand: "acdelco"
price: "15089CFA"
currency: XOF
in_stock: true
reviews_count: 8
category: "Ac Delco"
url: https://www.desertcart.sn/products/6638756-acdelco-gm-original-equipment-rc85-15042975-15-p-s-i
store_origin: SN
region: Senegal
---

# 24-month unlimited mile warranty Vehicle-specific GM fit 15 PSI pressure rating ACDelco GM Original Equipment RC85 (15042975) 15 P.S.I. Radiator Cap

**Brand:** acdelco
**Price:** 15089CFA
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** ACDelco GM Original Equipment RC85 (15042975) 15 P.S.I. Radiator Cap by acdelco
- **How much does it cost?** 15089CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/6638756-acdelco-gm-original-equipment-rc85-15042975-15-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

- • **Safety-First Design:** Spring-loaded seal ensures secure radiator closure to prevent leaks and overheating
- • **Trusted by Professionals:** GM recommended original equipment part with 4.7-star rating from 2,500+ users
- • **Tailored GM Compatibility:** Engineered to fit most GM models perfectly for seamless replacement
- • **Precision Pressure Control:** Maintains optimal 15 PSI to boost coolant boiling point and engine efficiency
- • **Durability Meets OEM Standards:** Built with premium metal and stainless steel finish for lasting reliability

## Overview

The ACDelco GM Original Equipment RC85 Radiator Cap is a vehicle-specific, spring-loaded metal cap designed to maintain 15 PSI pressure in the cooling system, raising coolant boiling point and preventing overheating. It fits most GM models, meets OEM durability standards, and comes with a 24-month unlimited mile warranty, making it the trusted replacement for your GM vehicle’s original radiator cap.

## Description

An ACDelco GM Original Equipment Radiator Cap is a spring loaded cap that seals the radiator filler neck or surge tank, and is a GM-recommended replacement for your vehicle’s original component. It maintains pressure on the cooling system while the engine is operating, which raises the boiling point of the engine coolant. It also replenishes the system with coolant from the expansion tank (if equipped) when the engine cools off. This original equipment radiator cap has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Review: Works well - Perfect replacement cap for the old Buick! Works as intended. Good fit
Review: perfect fit - replaced the leaking cap on my 2006 H3

## 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
- Fit type: Vehicle Specific

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000C9S78G |
| Best Sellers Rank | #12,888 in Automotive ( See Top 100 in Automotive ) #6 in Automotive Replacement Radiator Standard #219 in Automotive Replacement Engine Cooling & Climate Control |
| Brand | ACDelco |
| Brand Name | ACDelco |
| Closure Type | Twist-On |
| Color | Black |
| Compatible with Vehicle Type | Car |
| Customer Reviews | 4.7 out of 5 stars 2,510 Reviews |
| Exterior Finish | Stainless Steel |
| Global Trade Identification Number | 00021625403168, 20021625403162 |
| Included Components | ACDelco - 15 P.S.I. Radia (Slp) (RC85) |
| Item Dimensions | 2.5 x 2.4 x 1.5 inches |
| Item Type Name | ACDelco - 15 P.S.I. Radia (Slp) (RC85) |
| Item Weight | 2.24 ounces |
| Item dimensions L x W x H | 2.5 x 2.4 x 1.5 inches |
| Manufacturer | AC Delco |
| Manufacturer Part Number | 15042975 |
| 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 | Metal |
| Material Type | Metal |
| Model Number | RC85 |
| Style Name | Safety |
| UPC | 021625403168 781761172440 |
| Unit Count | 1.0 Count |
| Vehicle Service Type | Car |

## Product Details

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

## Images

![ACDelco GM Original Equipment RC85 (15042975) 15 P.S.I. Radiator Cap - Image 1](https://m.media-amazon.com/images/I/619IxyK6bmL.jpg)

## Questions & Answers

**Q: Does it 2015 gmc yukon xl denali**
A: Cap Asm-Rad Fil - GM (13502354)

**Q: Will this fit an 07 Grand Prix Base?**
A: yes

**Q: Does it have a spring on it**
A: Never be fooled by GM "Original Equipment". It is NEVER the O.E. part that came on your vehicle from the factory. No matter if it is a radiator cap, a fan clutch, a water pump, whatever. If it is labeled/described as a GM "Original Equipment" part, it will either be made in Mexico, China, or sourced from another nonGM affiliated manufacturer, that never manufactured an O.E. part for their vehicles ........just put in a GM Original Equipment box/package, and sold at a very very very inflated price, to another successfully conned customer!

**Q: Will this cap fit 2006 Pontiac grand prix**
A: I think it don't fit because the Pontiac I believe have expansion tank and the cap is different. GMC savana have the cap rigth at the radiator "neck."

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works well
*by F***R on August 29, 2025*

Perfect replacement cap for the old Buick! Works as intended. Good fit

### ⭐⭐⭐⭐⭐ perfect fit
*by B***C on September 27, 2025*

replaced the leaking cap on my 2006 H3

### ⭐⭐⭐⭐⭐ Great cap.
*by J***. on January 6, 2026*

Don’t listen to the nons. This cap works fine. Used it on a 2004 gmc canyon with the 3.5L 5cyl. Works great.

## Frequently Bought Together

- ACDelco GM Original Equipment RC85 15 P.S.I. Radiator Cap
- ACDelco Professional 252-822 Water Pump Kit
- ACDelco Gold 20382S Molded Upper Radiator Hose

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.sn/products/6638756-acdelco-gm-original-equipment-rc85-15042975-15-p-s-i](https://www.desertcart.sn/products/6638756-acdelco-gm-original-equipment-rc85-15042975-15-p-s-i)

---

*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-02-25*