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TYC 434 Radiator
Reliable Cooling Solution for Chevrolet and GMC Trucks
The TYC Radiator part number 434 is engineered to provide efficient cooling performance for Chevrolet and GMC trucks, including C1500, C2500, K1500, and K2500 models. Designed with durable aluminum core material and integrated transmission oil cooler, this radiator supports optimal engine temperature management under demanding conditions.
- Core material constructed from lightweight, corrosion-resistant aluminum
- Includes a plate-type transmission oil cooler for enhanced transmission cooling
- Crossflow flow configuration for effective heat dissipation
- Core dimensions: 17.24 inches height, 20.75 inches length, and 1.26 inches thickness
- 56 fins per 4 inches with a fin wave height of 0.35 inches for improved airflow
- Hose clamp inlet and outlet connections with diameters of 1.30 inches and 1.57 inches respectively
- Single-row tube design with 39 tubes and 40 total fin rows
- Top and bottom headers measuring 2.43 by 18.73 inches
TYC Radiator Product Line Overview
The TYC Radiator line focuses on delivering reliable cooling components that meet or exceed OEM specifications. This radiator model 434 integrates a plate oil cooler to support transmission fluid temperature control, which is critical for maintaining transmission performance and longevity in Chevrolet and GMC trucks. The use of aluminum core material ensures durability and efficient heat transfer, aligning with the TYC commitment to quality and fitment accuracy.
Technical Details and Features
This radiator features a crossflow design that promotes efficient coolant flow across the core, enhancing heat exchange. The aluminum core is paired with a plate-type transmission oil cooler, which is included to provide additional cooling for the transmission system. The radiator’s fin count and fin wave pitch are optimized to maximize airflow and heat dissipation. Hose clamp inlet and outlet connections simplify integration with existing cooling system hoses, with inlet and outlet diameters sized at 1.30 and 1.57 inches respectively. The single-row tube configuration with 39 tubes supports consistent coolant flow and thermal management.
Applications and Problem Solving
- Replaces worn or leaking radiators in Chevrolet C1500, C2500, K1500, and K2500 trucks
- Addresses overheating issues caused by inefficient heat dissipation
- Improves transmission cooling with integrated plate oil cooler to prevent transmission fluid overheating
- Restores proper coolant flow and pressure with precise fitment and hose clamp connections
- Mitigates corrosion and core damage with durable aluminum construction
Installation Notes and Tips
Ensure compatibility with Chevrolet and GMC truck models C1500, C2500, K1500, and K2500 before installation. The radiator uses hose clamp type inlet and outlet connections, so verify hose sizes (1.30 inches inlet, 1.57 inches outlet) for proper fit. Handle the aluminum core carefully to avoid damage during installation. Properly bleed the cooling system after installation to remove air pockets and ensure optimal performance.
Quality Assurance and Warranty
TYC Radiator part number 434 is manufactured to meet OEM standards for fit, form, and function. The aluminum core and integrated transmission oil cooler are designed for durability and reliable operation. While specific warranty details are not provided, TYC products typically undergo rigorous quality control to ensure long-term service life and performance consistency.
| Brand | TYC |
| Part Number | 434 |
| Position | TYC Radiator |
| Core Material | Aluminum |
| Transmission Oil Cooler Included | Yes |
| Transmission Oil Cooler Type | Plate oil cooler |
| Engine Oil Cooler Included | No |
| Bottom Header | 2.43x18.73 |
| Core Height (in) | 17.24 |
| Core Length (in) | 20.75 |
| Core Thickness (in) | 1.26 |
| Fin Count (every 4") | 56 |
| Fin Wave Height (in) | 0.35 |
| Find Wave Pitch | 3.6 |
| Flow Configuration | Crossflow |
| Inlet Connection Type | Hose clamp |
| Inlet Diameter (in) | 1.30 |
| No. Of Rows | 1 |
| Outlet Connection Type | Hose clamp |
| Outlet Diameter (in) | 1.57 |
| Toc Distance (in) | 11.50 |
| Toc Inlet Diameter (in) | 5/8-18unf |
| Toc Inlet Type | Adapter |
| Toc Outlet Diameter (in) | 5/8-18unf |
| Toc Outlet Type | Adapter |
| Top Header | 2.43x18.73 |
| Total Fin Row Count | 40 |
| Total Tube Count | 39 |
| Tube Count (every 4") | 10 |
| Tube Width X Height | 32x2 |
This part fits 48 vehicles. Search below:
| Year | Make | Model | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1993 | Chevrolet | C1500 | Automatic | 4.3L | V6 | N/A | TYC Radiator |
| 1993 | Chevrolet | C2500 | Automatic | 4.3L | V6 | N/A | TYC Radiator |
| 1993 | Chevrolet | K1500 | Automatic | 4.3L | V6 | N/A | TYC Radiator |
| 1993 | Chevrolet | K2500 | Automatic | 4.3L | V6 | N/A | TYC Radiator |
| 1993 | GMC | C1500 | Automatic | 4.3L | V6 | N/A | TYC Radiator |
| 1993 | GMC | C2500 | Automatic | 4.3L | V6 | N/A | TYC Radiator |
| 1993 | GMC | K1500 | Automatic | 4.3L | V6 | N/A | TYC Radiator |
| 1993 | GMC | K2500 | Automatic | 4.3L | V6 | N/A | TYC Radiator |
| 1992 | Chevrolet | C1500 | Automatic | 4.3L | V6 | N/A | TYC Radiator |
| 1992 | Chevrolet | C2500 | Automatic | 4.3L | V6 | N/A | TYC Radiator |
| 1992 | Chevrolet | K1500 | Automatic | 4.3L | V6 | N/A | TYC Radiator |
| 1992 | Chevrolet | K2500 | Automatic | 4.3L | V6 | N/A | TYC Radiator |
| 1992 | GMC | C1500 | Automatic | 4.3L | V6 | N/A | TYC Radiator |
| 1992 | GMC | C2500 | Automatic | 4.3L | V6 | N/A | TYC Radiator |
| 1992 | GMC | K1500 | Automatic | 4.3L | V6 | N/A | TYC Radiator |
| 1992 | GMC | K2500 | Automatic | 4.3L | V6 | N/A | TYC Radiator |
| 1991 | Chevrolet | C1500 | 4.3L | V6 | N/A | TYC Radiator | |
| 1991 | Chevrolet | C2500 | 4.3L | V6 | N/A | TYC Radiator | |
| 1991 | Chevrolet | K1500 | 4.3L | V6 | N/A | TYC Radiator | |
| 1991 | Chevrolet | K2500 | 4.3L | V6 | N/A | TYC Radiator | |
| 1991 | GMC | C1500 | 4.3L | V6 | N/A | TYC Radiator | |
| 1991 | GMC | C2500 | 4.3L | V6 | N/A | TYC Radiator | |
| 1991 | GMC | K1500 | 4.3L | V6 | N/A | TYC Radiator | |
| 1991 | GMC | K2500 | 4.3L | V6 | N/A | TYC Radiator | |
| 1990 | Chevrolet | C1500 | 4.3L | V6 | N/A | TYC Radiator | |
| 1990 | Chevrolet | C2500 | 4.3L | V6 | N/A | TYC Radiator | |
| 1990 | Chevrolet | K1500 | 4.3L | V6 | N/A | TYC Radiator | |
| 1990 | Chevrolet | K2500 | 4.3L | V6 | N/A | TYC Radiator | |
| 1990 | GMC | C1500 | 4.3L | V6 | N/A | TYC Radiator | |
| 1990 | GMC | C2500 | 4.3L | V6 | N/A | TYC Radiator | |
| 1990 | GMC | K1500 | 4.3L | V6 | N/A | TYC Radiator | |
| 1990 | GMC | K2500 | 4.3L | V6 | N/A | TYC Radiator | |
| 1989 | Chevrolet | C1500 | 4.3L | V6 | N/A | TYC Radiator | |
| 1989 | Chevrolet | C2500 | 4.3L | V6 | N/A | TYC Radiator | |
| 1989 | Chevrolet | K1500 | 4.3L | V6 | N/A | TYC Radiator | |
| 1989 | Chevrolet | K2500 | 4.3L | V6 | N/A | TYC Radiator | |
| 1989 | GMC | C1500 | 4.3L | V6 | N/A | TYC Radiator | |
| 1989 | GMC | C2500 | 4.3L | V6 | N/A | TYC Radiator | |
| 1989 | GMC | K1500 | 4.3L | V6 | N/A | TYC Radiator | |
| 1989 | GMC | K2500 | 4.3L | V6 | N/A | TYC Radiator | |
| 1988 | Chevrolet | C1500 | 4.3L | V6 | N/A | TYC Radiator | |
| 1988 | Chevrolet | C2500 | 4.3L | V6 | N/A | TYC Radiator | |
| 1988 | Chevrolet | K1500 | 4.3L | V6 | N/A | TYC Radiator | |
| 1988 | Chevrolet | K2500 | 4.3L | V6 | N/A | TYC Radiator | |
| 1988 | GMC | C1500 | 4.3L | V6 | N/A | TYC Radiator | |
| 1988 | GMC | C2500 | 4.3L | V6 | N/A | TYC Radiator | |
| 1988 | GMC | K1500 | 4.3L | V6 | N/A | TYC Radiator | |
| 1988 | GMC | K2500 | 4.3L | V6 | N/A | TYC Radiator |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.