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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.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
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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