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CSF 3730 Radiator
| Brand | CSF 3730 |
|---|---|
| Core Thickness | 1 1/4 |
| Core Width | 16 7/16 |
| Core Material | Aluminum |
| Tank Material | Plastic |
| Core Length | 34 |
| Inlet Diameter | 1 5/16 left |
| Outlet Diameter | 1 9/16 right |
| Down Flow Or Cross Flow Type | Cross flow |
| Radiator Core Row Quantity | 1 |
| Cap Included | No |
| Box Height (in) | 7 1/16 |
| Box Length (in) | 44 5/8 |
| Box Weight (lbs) | 20 |
| Box Width (in) | 22 9/16 |
| Hazardous Material | No |
| Inlet Length (in) | 17 3/16 |
| Inlet Width (in) | 1 15/16 |
| Oil Cooler (in) | 11 1/2 (high-efficiency plate type) ;11 1/2 (high-efficiency plat |
| Outlet Length (in) | 17 3/16 |
| Outlet Width (in) | 2 7/16 |
| Tech Note | O.e.m. style plastic tanks & aluminum core;with quick-connect oil |
| Fits | Chevrolet and GMC · 15 vehicles |
OE-style construction. Plastic tanks and an aluminum core match original-equipment design.
Cross-flow design. Engineered for efficient cooling performance.
Quick-connect fittings. Includes oil cooler connections for easier installation.
Cross-references BBB Industries 13398, 23126397 and 23126402 for the same application. See all 8.
CSF 3730 Radiator Overview
The CSF 3730 radiator is an OE-style replacement built with an aluminum core and plastic tanks for direct-fit cooling system service. It is engineered as a cross-flow radiator with a single-row core, quick-connect oil cooler fittings, and dimensions that match the listed GM truck and SUV applications.
Compatible with select Chevrolet Tahoe, GMC Yukon, Chevrolet Silverado 1500, and GMC Sierra models, this radiator is designed for vehicles that need a precise replacement for the factory cooling assembly. CSF has produced radiators for decades and validates designs through lab testing for cooling performance.
Key Features
- Part number: 3730
- Core material: aluminum
- Tank material: plastic
- Cross-flow design with 1-row core
- Core thickness: 1 1/4 in.
- Inlet diameter: 1 5/16 in., left side
- Outlet diameter: 1 9/16 in., right side
- O.E.M.-style plastic tanks with aluminum core
- Quick-connect oil cooler fittings
- Oil cooler: 11 1/2 in. high-efficiency plate type
Detailed Description
CSF 3730 is a radiator assembly built for direct replacement in select 2014-2017 Chevrolet Tahoe, 2014-2015 Chevrolet Silverado 1500, 2014-2015 GMC Sierra 1500, 2014 GMC Sierra, 2015 GMC Sierra, and 2016 GMC Yukon applications. The radiator uses an aluminum core with plastic end tanks, a cross-flow layout, and factory-style inlet and outlet sizing to match the original cooling system configuration. The integrated plate-type oil cooler and quick-connect fittings support vehicles equipped with the listed cooling package requirements.
This part cross-references BBB Industries 13398 for the same application. CSF manufactures a wide range of radiator designs and uses engineering validation to confirm cooling performance before release.
Common Cooling System Issues
- Cracked or leaking radiator tanks
- Reduced cooling efficiency from a damaged core
- Transmission or engine temperature concerns tied to radiator failure
- Oil cooler connection leaks at the radiator
- Fitment problems after replacing a factory radiator with the wrong configuration
Installation Notes
Verify inlet and outlet orientation, core dimensions, and oil cooler connection style before installation. This radiator is listed without a cap, so reuse or replace the cap separately if required by the vehicle. Confirm the application notes for tow package and heavy-duty cooling configurations on Silverado 1500 and Sierra models before ordering.
Quality Assurance
CSF radiators are manufactured in ISO/TSO-certified facilities and are engineered for cooling performance validation through laboratory testing. The brand has supplied radiators worldwide for more than 50 years across a broad range of vehicle applications.
- Fits 2017 Chevrolet Tahoe, N/A
- Fits 2016 Chevrolet Tahoe, N/A
- Fits 2015 Chevrolet Tahoe, N/A
- Fits 2016 GMC Yukon, N/A
- Fits 2014-2015 Chevrolet Silverado 1500, N/A, w/ Tow Package
- Fits 2015 GMC Sierra, N/A, w/ Tow Package
- Fits 2014-2015 GMC Sierra 1500, N/A, w/ Tow Package
- Fits 2014 GMC Sierra, N/A, Upgraded Heavy Duty Core. 11% Thicker 31mm vs OEM 28mm
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2017 | Chevrolet | Tahoe | 5.3L | V8 | N/A | — |
| 2016 | Chevrolet | Tahoe | 5.3L | V8 | N/A | 1st Design |
| 2016 | GMC | Yukon | 5.3L | V8 | N/A | — |
| 2015 | Chevrolet | Silverado 1500 | 6.2L | V8 | N/A | w/ Tow Package |
| 2015 | Chevrolet | Silverado 1500 | 5.3L | V8 | N/A | w/ Tow Package |
| 2015 | Chevrolet | Tahoe | 5.3L | V8 | N/A | — |
| 2015 | GMC | Sierra | 6.2L | V8 | N/A | w/ Tow Package |
| 2015 | GMC | Sierra | 5.3L | V8 | N/A | w/ Tow Package |
| 2015 | GMC | Sierra 1500 | 5.3L | V8 | N/A | w/ Tow Package |
| 2015 | GMC | Sierra 1500 | 6.2L | V8 | N/A | w/ Tow Package |
| 2014 | Chevrolet | Silverado 1500 | 5.3L | V8 | N/A | w/ Tow Package |
| 2014 | Chevrolet | Silverado 1500 | 6.2L | V8 | N/A | w/ Tow Package |
| 2014 | GMC | Sierra | 5.3L | V8 | N/A | Upgraded Heavy Duty Core. 11% Thicker 31mm vs OEM 28mm |
| 2014 | GMC | Sierra 1500 | 6.2L | V8 | N/A | w/ Tow Package |
| 2014 | GMC | Sierra 1500 | 5.3L | V8 | N/A | w/ Tow Package |
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