ACDelcogm Genuine Parts 21649 Radiator

Q: one review stated it came with the oil and transmission cooler is this accurate?

yes this radiator comes with both oil and transmissiom cooler... perfect fit for my 2005 gmc sierra 1500 denali 6.0 engine

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

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?

Mine was the same way. I guess they just come like that.

4.5/5

Product ID: 425286240

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Details

Brand
GM
Cooler Heatsink Material
Aluminum
Item Weight
15.4 Pounds
Mounting Type
Chassis Mount
Manufacturer
ACDelco

🔧GM OE quality

⚖️Lightweight design

🌡️Optimal heat transfer

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

Description

🚗 Keep Your Cool with ACDelco's Radiator!

HEAT TRANSFER HERO - Designed for superior heat transfer, ensuring your engine runs cool and efficient.
LIGHTWEIGHT CHAMPION - Weighing in at just 7 kg, this radiator maximizes performance without the bulk.
PERFECT FIT GUARANTEED - Manufactured to GM OE specifications for seamless integration with your vehicle.
GM APPROVED RELIABILITY - A genuine GM replacement part that promises quality and longevity.
ENGINEERED FOR EXCELLENCE - Crafted with a corrosion-resistant aluminum core for unmatched durability.

The ACDelco Genuine Parts 21649 Radiator is a lightweight, high-performance component designed specifically for GM vehicles. With a corrosion-resistant aluminum core and engineered to meet GM OE specifications, this radiator ensures optimal heat transfer and durability, making it the perfect replacement for your vehicle's original factory part.

Specifications

Manufacturer	ACDelco
Brand	GM
Model	Radiator
Product Dimensions	118.62 x 64.26 x 19.81 cm; 7 Kilograms
Item model number	21649
Exterior	Painted
Manufacturer Part Number	21649
OEM Part Number	22840116
Item Weight	7 Kilograms

Have a Question? See What Others Asked

one review stated it came with the oil and transmission cooler is this accurate?

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

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

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?

Common Questions

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The product quality is outstanding. Exactly what I needed for my work.

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Fantastic and great service. Shipping was faster than expected.

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TrustScore 4.5 | 7,300+ reviews

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