Radiator ACDelco GM Original Equipment 21490

Description

Radiator ACDelco GM Original Equipment 21490
ITEM DETAILS
Specification
Part Type
Radiator
Part Number
21490
Good Maintenance Practices - S1 B2
Evaluate radiator and radiator cap for leaks, corrosion, or worn cap gasket. Make sure to pressure test the cap.
Mkt_State_Warranty_CA
12 Months / 20,000 Kilometers (Parts Only)
Signs of Wear & Troubleshooting - S1 B2
Rust Accumulation: Radiators are constantly exposed to moisture, meaning they can be prone to corrosion. If you your coolant and it has a brownish tint then you may have excessive corrosion. It is best to have you radiator inspected and flushed
Core Height
19.37
Mkt_State_Warranty_US
Limited Lifetime (Parts Only). Please see ACDelco.com for more details.
Signs of Wear & Troubleshooting - S1 B3
Radiator Leaks: For various reasons, radiators can develop leaks. Radiators can become damaged in an accident. The end tanks can crack or split and it is important to inspect your radiator for damage often. Damaged radiators should be replaced to hel
Vintage_Part_Indicator
N
267_mm
492.12
ACD_RemanDes
No
Good Maintenance Practices - S1 B1
Replace coolant with a mixture of antifreeze and water according to the owner’s manual recommendations.
FAQ - Q1
My engine is overheating does this mean I need to replace my radiator?
Signs of Wear & Troubleshooting - S1 B1
Vehicle overheating: This is often a sign of a problem with your cooling system, but could be caused by various parts of your vehicles cooling system. It may be because of low or empty coolant level, broken/malfunctioning cooling fans, leaks from bro
Signs of Wear & Troubleshooting - S1 H
Signs of wear for a radiator include but are not limited
Core Width
34
Good Maintenance Practices - S1 H
Maintain proper coolant levels and levels regularly. Also make sure to coolants concentration because the water ratio can affect the freezing or boiling point. (Note: Never attempt to remove a surge or radiator cap while the engine is hot
Marketing Statement - Product Line
Stay with the parts brand your General Motors vehicle came with and get the quality you know and trust with ACDelco GM Original Equipment Radiators. ACDelco GM OE replacement parts give you the peace of mind that the fit, form, and function is up to
Product Description
ACDelco GM Original Equipment Radiators are GM-recommended replacements for your vehicles original components. Radiators are heat exchangers, typically located in the front of the vehicle where air can flow through the fins and dissipate heat. Modern
Core Thickness
2.19
268_mm
55.56
269_mm
863.6
FAQ - A1
No, an overheating engine could mean an issue with your radiator, but there are other pieces of the cooling system that could cause the engine to overheat. It is important to for coolant leaks or a malfunctioning fan. If you look at the radiato
PAdb Update Date
2018-01-18
PLNumberName
04-Radiators
Good Maintenance Practices - S1 B3
Have cooling system inspected immediately if instrument panel-mounted temperature gauge indicates engine overheating.
Web Content Update Date
2017-04-12
Good Maintenance Practices - S1 B4
Periodically, remove bugs, leaves, and other debris from the front of the radiator. They can block airflow and substantially reduce cooling efficiency.
Weight
24.14 lbs
L x W x H
46.6 x 34.6 x 8.3
Part #
21490
Mfg Part #
21490
Product Overview
Description
Offering the quality, reliability, and durability of GM OE
Manufactured to GM OE specification for fit, form, and function
Corrosion-resistant aluminum designed core helps optimize the radiators long lasting
Lightweight; the radiators have a positive heat transfer to weight ratio
GM-recommended replacement part for your GM vehicle’s original factory component
Radiator ACDelco 21490 21490
Interchange
Please review our interchange above in the compatibility table to verify proper fitment of your vehicle. Or contact us for a quick response.
Keep in mind interchange tables apply only to American Market vehicles. If you live outside of the USA please research and verify it fits your vehicle before purchasing.
Application
Application
Detail
Years
Chevrolet Silverado 2500 HD
6.6 V8 DIESEL FI 6599cc | Automatic (5 speeds), 1, LB7, 1000/M74, ENGINE OIL COOLING SYSTEM(KC4) CORE SIZE 34 X 19 3/8 X 2 3/16 LESS DRAIN COCK
2001 - 2003
Chevrolet Silverado 3500
6.6 V8 DIESEL FI 6599cc | Automatic (5 speeds), 1, LB7, 1000/M74, ENGINE OIL COOLING SYSTEM(KC4) CORE SIZE 34 X 19 3/8 X 2 3/16 LESS DRAIN COCK
2001 - 2003
GMC Sierra 2500 HD
6.6 V8 DIESEL FI 6599cc | Automatic (5 speeds), 1, LB7, 1000/M74, ENGINE OIL COOLING SYSTEM(KC4) CORE SIZE 34 X 19 3/8 X 2 3/16 LESS DRAIN COCK
2001 - 2003
GMC Sierra 3500
6.6 V8 DIESEL FI 6599cc | Automatic (5 speeds), 1, LB7, 1000/M74, ENGINE OIL COOLING SYSTEM(KC4) CORE SIZE 34 X 19 3/8 X 2 3/16 LESS DRAIN COCK
2001 - 2003
Chevrolet Silverado 2500 HD
6.6 V8 DIESEL FI 6599cc | Automatic (5 speeds), 2, LLY, 1000, ENGINE OIL COOLING SYSTEM(KC4) CORE SIZE 34 X 19 3/8 X 2 3/16 LESS DRAIN COCK
2004 - 2005
Chevrolet Silverado 2500 HD
6.6 V8 DIESEL FI 6599cc | Automatic (5 speeds), 1, LB7, 1000, ENGINE OIL COOLING SYSTEM(KC4) CORE SIZE 34 X 19 3/8 X 2 3/16 LESS DRAIN COCK
2004
Chevrolet Silverado 3500
6.6 V8 DIESEL FI 6599cc | Automatic (5 speeds), 1, LB7, 1000, ENGINE OIL COOLING SYSTEM(KC4) CORE SIZE 34 X 19 3/8 X 2 3/16 LESS DRAIN COCK
2004
GMC Sierra 2500 HD
6.6 V8 DIESEL FI 6599cc | Automatic (5 speeds), 2, LLY, 1000, ENGINE OIL COOLING SYSTEM(KC4) CORE SIZE 34 X 19 3/8 X 2 3/16 LESS DRAIN COCK
2004 - 2005
GMC Sierra 2500 HD
6.6 V8 DIESEL FI 6599cc | Automatic (5 speeds), 1, LB7, 1000, ENGINE OIL COOLING SYSTEM(KC4) CORE SIZE 34 X 19 3/8 X 2 3/16 LESS DRAIN COCK
2004
GMC Sierra 3500
6.6 V8 DIESEL FI 6599cc | Automatic (5 speeds), 2, LLY, 1000, ENGINE OIL COOLING SYSTEM(KC4) CORE SIZE 34 X 19 3/8 X 2 3/16 LESS DRAIN COCK
2004 - 2005
GMC Sierra 3500
6.6 V8 DIESEL FI 6599cc | Automatic (5 speeds), 1, LB7, 1000, ENGINE OIL COOLING SYSTEM(KC4) CORE SIZE 34 X 19 3/8 X 2 3/16 LESS DRAIN COCK
2004
Chevrolet Silverado 3500
6.6 V8 DIESEL FI 6599cc | Automatic (5 speeds), 2, LLY, 1000, ENGINE OIL COOLING SYSTEM(KC4) CORE SIZE 34 X 19 3/8 X 2 3/16 LESS DRAIN COCK
2004 - 2005
PLEASE READ BEFORE PURCHASING
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