---
product_id: 16087796
title: "21649 (22840116) Radiator"
brand: "gm genuine parts"
price: "€ 837.16"
currency: EUR
in_stock: false
url: https://www.desertcart.at/products/16087796-21649-22840116-radiator
store_origin: AT
region: Austria
---

# Optimized heat transfer Lightweight 15.43 lbs Corrosion-resistant aluminum core 21649 (22840116) Radiator

**Brand:** gm genuine parts
**Price:** € 837.16
**Availability:** ❌ Out of Stock

## Summary

> 🔥 Stay cool, drive confident with GM Genuine Radiators!

## Quick Answers

- **What is this?** 21649 (22840116) Radiator by gm genuine parts
- **How much does it cost?** € 837.16 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/16087796-21649-22840116-radiator)

## Best For

- gm genuine parts enthusiasts

## Why This Product

- Trusted gm genuine parts brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Lifetime Confidence:** Limited lifetime warranty for as long as you own your vehicle.
- • **Trusted OEM Quality:** Backed by GM, delivering the reliability you expect from genuine parts.
- • **Unmatched Durability:** Corrosion-resistant aluminum core ensures long-lasting performance.
- • **Efficient Heat Management:** Positive heat transfer to weight ratio keeps your engine cooler, longer.
- • **Precision Engineered for GM Vehicles:** Manufactured to exact GM OE specs for flawless fit and function.

## Overview

The GM Genuine Parts 21649 Radiator is a lightweight, corrosion-resistant aluminum radiator engineered to GM OE specifications. Designed for optimal heat transfer and durability, it ensures reliable cooling performance and a perfect fit for GM vehicles. Backed by a limited lifetime warranty, this radiator offers professional-grade quality trusted by millions.

## Description

GM Genuine Parts Radiators are designed, engineered, and tested to rigorous standards, and are backed by General Motors. Radiators are heat exchangers, typically located in the front of the vehicle where air can flow through the fins and dissipate heat. Modern radiators are made from aluminum and plastic, while older vehicles used copper and brass. These radiators are designed to be corrosion resistant with optimal heat transfer characteristics. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

## Features

- Lightweight; the radiators have a positive heat transfer to weight ratio
- Corrosion-resistant aluminum designed core helps optimize the radiators long lasting
- GM-recommended replacement part for your GM vehicle’s original factory component
- Offering the quality, reliability, and durability of GM OE
- Manufactured to GM OE specification for fit, form, and function

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000C9K45U |
| Best Sellers Rank | #283,084 in Automotive ( See Top 100 in Automotive ) #527 in Automotive Replacement Engine Radiators |
| Brand | GM GENUINE PARTS |
| Brand Name | GM GENUINE PARTS |
| Cooler Heatsink Material | Aluminum |
| Customer Reviews | 4.6 out of 5 stars 127 Reviews |
| Global Trade Identification Number | 00036666394900, 00707773890219 |
| Included Components | Radiator |
| Item Type Name | Radiator |
| Item Weight | 15.43 Pounds |
| Manufacturer | ACDelco |
| Model | 21649 |
| Mounting Type | Chassis Mount |
| Part Number | 21649 |
| UPC | 707773890219 036666394900 |
| Unit Count | 1.0 Count |
| Warranty Description | Limited Lifetime as long as original purchaser owns vehicle. (Parts Only) |

## Product Details

- **Brand:** GM GENUINE PARTS
- **Cooler Heatsink Material:** Aluminum
- **Item Weight:** 15.43 Pounds
- **Manufacturer:** ACDelco
- **Mounting Type:** Chassis Mount

## Images

![21649 (22840116) Radiator - Image 1](https://m.media-amazon.com/images/I/81K6DPJ-+UL.jpg)

## Questions & Answers

**Q: one review stated it came with the oil and transmission cooler is this accurate?**
A: yes this radiator comes with both oil and transmissiom cooler...  perfect fit for my 2005 gmc sierra 1500 denali 6.0 engine

**Q: Is this the large radiator for the 05+ electric fans? 34 inch or the smaller 26 inch for 99-04 fan clutch**
A: 34 inch for 99-04 fan clutch

**Q: B4 order part will fit my 2001 silverado 2500hd 4x4  6.0l gas w/ oem tow package 4dr 8ft longbed  lt trim like be 100% sure fit function oem part**
A: It fit my 2001 suburban 2500 which is the same as your truck all around.  You just have a PU and mine is. Suburban

**Q: I bought this radiator and it appears that it does not have a petcock drain like th original.  Did anyone else find this on theirs?**
A: Mine was the same way. I guess they just come like that.

## Frequently Bought Together

- GM Genuine Parts 21649 Radiator
- ACDelco Gold 24403L Molded Lower Radiator Hose Item Dimensions =LxWxH = 14.4 x 3 x 3 inches
- ACDelco Gold 26390X Molded Upper Radiator Hose

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**Shop now:** [https://www.desertcart.at/products/16087796-21649-22840116-radiator](https://www.desertcart.at/products/16087796-21649-22840116-radiator)

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*Product available on Desertcart Austria*
*Store origin: AT*
*Last updated: 2026-07-23*