OE Quality
60-Day Returns

Global Parts 1489C Radiator
Overview of Global Parts Radiator 1489C for Chevrolet G10, G20, G30
The Global Parts radiator 1489C is designed specifically for Chevrolet G10, G20, and G30 models. Engineered with durable aluminum core and plastic tanks, this radiator supports efficient engine cooling and includes integrated oil coolers for transmission and engine oil.
- Core dimensions: 16.81 inches height, 30.51 inches width, 1.26 inches thickness
- Constructed with an aluminum core and plastic tanks for durability and heat dissipation
- Includes internal engine oil cooler and internal transmission oil cooler
- Equipped with a transmission oil cooler for enhanced cooling performance
- Single core row design for reliable heat exchange
- Radiator cap not included
- Compatible with Chevrolet G10, G20, and G30 models
Detailed Product Description
The Global Parts radiator part number 1489C features a robust aluminum core measuring 16.81 inches in height, 30.51 inches in width, and 1.26 inches in thickness. This single-row core design ensures effective heat transfer while maintaining a compact profile. The plastic tank construction reduces weight and resists corrosion, contributing to the radiator's longevity. This radiator is equipped with both an internal engine oil cooler and an internal transmission oil cooler, providing integrated cooling solutions that help maintain optimal operating temperatures for your Chevrolet G10, G20, or G30. The inclusion of a transmission oil cooler supports transmission fluid temperature regulation, which is critical for vehicle performance and transmission longevity.
Common Applications and Issues Addressed
- Replacement for leaking or damaged radiators in Chevrolet G10, G20, and G30 vans
- Resolves overheating issues caused by inefficient cooling systems
- Addresses transmission fluid overheating with integrated transmission oil cooler
- Improves engine oil temperature control through internal engine oil cooler
- Suitable for vehicles requiring a durable aluminum core radiator with plastic tanks
Installation Notes and Tips
When installing the Global Parts radiator 1489C, ensure compatibility with Chevrolet G10, G20, or G30 models. Verify that the radiator cap is compatible with your vehicle, as this product does not include a radiator cap. Properly connect transmission and engine oil cooler lines to maintain integrated cooling functions. Inspect hoses and clamps for wear during installation to prevent leaks. Follow manufacturer torque specifications for mounting hardware to avoid damage.
Quality Assurance and Warranty
Global Parts radiators are manufactured to meet OEM specifications for fit and function. The aluminum core and plastic tank construction provide corrosion resistance and durability under normal operating conditions. While specific warranty details are not provided, Global Parts products typically come with a limited warranty against defects in materials and workmanship. Consult the product documentation or supplier for exact warranty terms.
| Brand | Global Parts |
| Part Number | 1489C |
| Core Height | 16.81 |
| Core Height | 426.97 |
| Core Thickness | 1.26 |
| Core Thickness | 32 |
| Core Width | 30.51 |
| Core Width | 774.95 |
| Core Material | Aluminum |
| Tank Material | Plastic |
| Transmission Oil Cooler Included | Yes |
| Radiator Cap Included | No |
| Core Row Quantity | 1 |
| Internal Engine Oil Cooler | Yes |
| Internal Transmission Oil Cooler | Yes |
| Thermostat Included | No |
This part fits 26 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1993 | Chevrolet | G10 | 5.0L | V8 | N/A | with Engine Oil Cooler; with 30-1/2" Core |
| 1993 | Chevrolet | G10 | 5.7L | V8 | N/A | with Engine Oil Cooler; with 30-1/2" Core |
| 1993 | Chevrolet | G20 | 5.0L | V8 | N/A | with Engine Oil Cooler; with 30-1/2" Core |
| 1993 | Chevrolet | G20 | 5.7L | V8 | N/A | with Engine Oil Cooler; with 30-1/2" Core |
| 1993 | Chevrolet | G30 | 5.7L | V8 | N/A | with Engine Oil Cooler; with 30-1/2" Core |
| 1993 | GMC | G1500 | 5.0L | V8 | N/A | with Engine Oil Cooler; with 30-1/2" Core |
| 1993 | GMC | G1500 | 5.7L | V8 | N/A | with Engine Oil Cooler; with 30-1/2" Core |
| 1993 | GMC | G2500 | 5.7L | V8 | N/A | with Engine Oil Cooler; with 30-1/2" Core |
| 1993 | GMC | G2500 | 5.0L | V8 | N/A | with Engine Oil Cooler; with 30-1/2" Core |
| 1993 | GMC | G3500 | 5.7L | V8 | N/A | with Engine Oil Cooler; with 30-1/2" Core |
| 1992 | Chevrolet | G10 | 4.3L | V6 | N/A | with Engine Oil Cooler; with 30-1/2" Core |
| 1992 | Chevrolet | G10 | 5.0L | V8 | N/A | with Engine Oil Cooler; with 30-1/2" Core |
| 1992 | Chevrolet | G10 | 5.7L | V8 | N/A | with Engine Oil Cooler; with 30-1/2" Core |
| 1992 | Chevrolet | G20 | 5.0L | V8 | N/A | with Engine Oil Cooler; with 30-1/2" Core |
| 1992 | Chevrolet | G20 | 4.3L | V6 | N/A | with Engine Oil Cooler; with 30-1/2" Core |
| 1992 | Chevrolet | G20 | 5.7L | V8 | N/A | with Engine Oil Cooler; with 30-1/2" Core |
| 1992 | Chevrolet | G30 | 4.3L | V6 | N/A | with Engine Oil Cooler; with 30-1/2" Core |
| 1992 | Chevrolet | G30 | 5.7L | V8 | N/A | with Engine Oil Cooler; with 30-1/2" Core |
| 1992 | GMC | G1500 | 5.0L | V8 | N/A | with Engine Oil Cooler; with 30-1/2" Core |
| 1992 | GMC | G1500 | 4.3L | V6 | N/A | with Engine Oil Cooler; with 30-1/2" Core |
| 1992 | GMC | G1500 | 5.7L | V8 | N/A | with Engine Oil Cooler; with 30-1/2" Core |
| 1992 | GMC | G2500 | 5.7L | V8 | N/A | with Engine Oil Cooler; with 30-1/2" Core |
| 1992 | GMC | G2500 | 4.3L | V6 | N/A | with Engine Oil Cooler; with 30-1/2" Core |
| 1992 | GMC | G2500 | 5.0L | V8 | N/A | with Engine Oil Cooler; with 30-1/2" Core |
| 1992 | GMC | G3500 | 5.7L | V8 | N/A | with Engine Oil Cooler; with 30-1/2" Core |
| 1992 | GMC | G3500 | 4.3L | V6 | N/A | with Engine Oil Cooler; with 30-1/2" Core |
* 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.