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CSF 3972 Radiator
| Brand | CSF 3972 |
|---|---|
| Core Thickness | 1 3/16 |
| Core Width | 28 1/16 |
| Core Material | Aluminum |
| Tank Material | Plastic |
| Core Length | 24 5/8 |
| Inlet Diameter | 1 1/2 left |
| Outlet Diameter | 1 1/2 right |
| Down Flow Or Cross Flow Type | Down flow |
| Box Height (in) | 9 |
| Box Length (in) | 34 9/16 |
| Box Weight (lbs) | 20 |
| Box Width (in) | 31 5/8 |
| Hazardous Material | No |
| Inlet Length (in) | 28 11/16 |
| Inlet Width (in) | 1 5/8 |
| No. Of Rows | 1 |
| Oil Cooler (in) | 15 3/8 (high-efficiency round type) |
| Outlet Length (in) | 28 11/16 |
| Outlet Width (in) | 1 5/8 |
| Radiator Cap Supplied | No |
| Tech Note | O.e.m. style plastic tank & aluminum core. upgraded heavy duty co |
| Fits | Toyota · 8 vehicles |
OE-style design. Plastic tank and aluminum core construction with a heavy-duty upgraded core.
Wind tunnel tested. Validated for cooling performance in lab testing.
Down-flow radiator with a single-row core for efficient cooling.
Cross-references BBB Industries 13923, 16400-F4010 and TO3010382 for the same application. See all 3.
Radiator for Toyota Tundra and Sequoia
CSF 3972 is an OE-style radiator built with an aluminum core and plastic tanks for direct replacement cooling performance. It is engineered with a heavy-duty core that is 7% thicker than the OEM 28mm design, making it a strong choice for Toyota Tundra and Toyota Sequoia owners looking for a radiator replacement with updated cooling capacity.
Key Features
- Aluminum core with plastic tank construction
- Down-flow radiator design
- Core thickness: 1 3/16 in.
- Core dimensions: 28 1/16 in. wide x 24 5/8 in. long
- 1 1/2 in. inlet on the left and 1 1/2 in. outlet on the right
- Single-row core design
- Integrated 15 3/8 in. high-efficiency round-type oil cooler
- OE-style fitment for modern Toyota cooling systems
Detailed Description
CSF part number 3972 is designed for 2022-2026 Toyota Tundra and 2023-2025 Toyota Sequoia applications. It uses an aluminum core with plastic tanks in a down-flow layout, matching the OE-style configuration while upgrading to a thicker heavy-duty core. The radiator is engineered and wind-tunnel tested for cooling performance validation, and CSF manufactures a wide range of radiator applications for leading vehicle platforms worldwide. This part cross-references BBB Industries 13923 for the same application.
Common Problems This Radiator Helps Address
- Cracked or leaking radiator tanks
- Reduced cooling efficiency from an aging core
- Overheating caused by restricted coolant flow
- Heat-related stress in daily driving or towing conditions
- Replacement needs after corrosion or physical damage
Installation Notes and Tips
Verify inlet and outlet orientation before installation: this radiator uses a left-side inlet and right-side outlet. Confirm the vehicle’s cooling system layout, oil cooler connection points, and mounting dimensions against the original unit before removal. For 2022-2026 Toyota Tundra and 2023-2025 Toyota Sequoia models, CSF 3972 is intended as a direct radiator replacement, but final fitment should always be matched to the vehicle’s original configuration.
Quality Assurance
CSF manufactures radiators to high-performance standards and validates cooling performance through laboratory testing. The brand has produced radiators for over 50 years and supplies a broad catalog of OE-style cooling components for global vehicle applications.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Notes |
|---|---|---|---|---|---|---|
| 2026 | Toyota | Tundra | 3.4L | V6 | FULL HYBRID EV-GAS (FHEV) | Upgraded Heavy Duty Core. 7% Thicker 30mm vs OEM 28mm |
| 2025 | Toyota | Sequoia | 3.4L | V6 | FULL HYBRID EV-GAS (FHEV) | Upgraded Heavy Duty Core. 7% Thicker 30mm vs OEM 28mm |
| 2025 | Toyota | Tundra | 3.4L | V6 | FULL HYBRID EV-GAS (FHEV) | Upgraded Heavy Duty Core. 7% Thicker 30mm vs OEM 28mm |
| 2024 | Toyota | Sequoia | 3.4L | V6 | FULL HYBRID EV-GAS (FHEV) | Upgraded Heavy Duty Core. 7% Thicker 30mm vs OEM 28mm |
| 2024 | Toyota | Tundra | 3.4L | V6 | FULL HYBRID EV-GAS (FHEV) | Upgraded Heavy Duty Core. 7% Thicker 30mm vs OEM 28mm |
| 2023 | Toyota | Sequoia | 3.4L | V6 | FULL HYBRID EV-GAS (FHEV) | Upgraded Heavy Duty Core. 7% Thicker 30mm vs OEM 28mm |
| 2023 | Toyota | Tundra | 3.4L | V6 | FULL HYBRID EV-GAS (FHEV) | Upgraded Heavy Duty Core. 7% Thicker 30mm vs OEM 28mm |
| 2022 | Toyota | Tundra | 3.4L | V6 | FULL HYBRID EV-GAS (FHEV) | Upgraded Heavy Duty Core. 7% Thicker 30mm vs OEM 28mm |
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