GM Genuine parts may ship in a GM Genuine or AcDelco box. The product will fit and function the same. |
GM GENUINE 21901 Specifications |
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Coolant Level Indicator Port | No | Core Height (IN) | 18.2 | Core Height (MM) | 462.25 | Core Material | Aluminum | Core Row Quantity | 1 | Core Thickness (IN) | 1.02 | Core Thickness (MM) | 26 | Core Width (IN) | 23.62 | Core Width (MM) | 600 | Down Flow Or Cross Flow Type | Cross Flow | Engine Oil Cooler Included | No | Frame Included | Yes | Inlet Diameter (IN) | 1.34 | Inlet Diameter (MM) | 34.15 | Inlet Header Length (IN) | 20.71 | Inlet Header Length (MM) | 526 | Inlet Header Width (IN) | 3.03 | Inlet Header Width (MM) | 77 | Inlet Location | 1.34 | Internal Engine Oil Cooler | No | Internal Transmission Oil Cooler | No | Mounting Hardware Included | No | Mounting Type | Pin | Outlet Diameter (IN) | 1.34 | Outlet Diameter (MM) | 34.15 | Outlet Header Length (IN) | 20.67 | Outlet Header Length (MM) | 525 | Outlet Header Width (IN) | 4.92 | Outlet Header Width (MM) | 125 | Outlet Location | Middle Left | Proper Disposal Verbiage | [Delete] | Proper Handling Verbiage | [Delete] | Proper Storage Verbiage | [Delete] | Radiator Cap Included | No | Tank Material | Plastic | Thermostat Included | No | Transmission Oil Cooler Included | No |
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A GM Genuine Radiator is a heat exchanger located typically in the front of the vehicle, where air can flow through the fins while the vehicle is moving. A modern radiator is made from aluminum and plastic, while older vehicles used copper and brass. These radiators are corrosion resistant with optimal heat transfer characteristics. These original equipment radiators are engineered to fit your specific GM vehicle and will provide the same performance, durability, and service life of your factory original equipment radiator.
Features:
- Lightweight; the radiators have a positive heat transfer to weight ratio
- Corrosion-resistant aluminum core makes the Radiator long lasting
- Offering the quality, reliability, and durability of GM OE
- Manufactured to GM OE specification for fit, form, and function
Service Tip: If you are experiencing unexplained or reoccurring radiator core leaks, or notice dark spots on your failed radiator core, test your coolant for Electrolysis. If detected, correct the source of the problem before replacing your failed radiator to prevent repeat failure.
Measurement Guide
![](/Images/MoreInfo/install.png) Cooling System Maintenance | Tips & Tools Without regular maintenance, cooling system components will degrade and fail prematurely, which can lead to costly engine damage. Protect your engine with simple preventative maintenance:
- Completely drain and flush the system using Cooling System Flush prior to installation. Flushing the system is critical to prevent system contamination and failure.
- Consider replacing the Radiator Hoses (and Hose Clamps), Thermostat and Radiator Cap as part of routine preventative maintenance. System contamination can cause these parts to degrade and fail over time, which can lead to severe engine damage from overheating.
- Refill radiator with fresh Coolant / Antifreeze according to the volume and formula specified in your Owner's Manual. Inspect levels and condition every year.
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Warranty Information:Limited Lifetime |
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