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Koyorad A13146 Radiator
Koyorad A13146 Radiator for GM Applications
The Koyorad A13146 radiator is an OE-equivalent replacement built for select Chevrolet Impala, Chevrolet Malibu, Buick Regal, and Buick LaCrosse applications. It uses an aluminum core with plastic tanks and integrated transmission oil cooler connections to support factory-style cooling performance.
Key Features
- Aluminum core construction with plastic tanks
- Single-row core design for OE-style fitment
- Core dimensions: 26.75 in. height, 16.3125 in. width, 0.875 in. thickness
- Inlet diameter: 1.375 in.; outlet diameter: 1.3125 in.
- Transmission oil cooler diameter: 1.625 in. with 3 plate quantity
- Direct replacement radiator for select Chevrolet Impala, Chevrolet Malibu, Buick Regal, and Buick LaCrosse models
- Part number A13146 for easy identification
Product Details
Koyorad Radiator line products are built around OE-equivalent replacement standards, using the technical experience needed to produce a radiator that matches factory requirements. The A13146 radiator is engineered for vehicles that use a radiator with integrated transmission cooling, making it a practical choice for drivers searching for a radiator for 2019-2020 Chevrolet Impala, a radiator for 2014-2018 Chevrolet Impala, or a replacement radiator for 2011-2017 Buick Regal and 2010-2016 Buick LaCrosse applications. It also serves 2013-2014 Chevrolet Malibu and 2011-2012 Chevrolet Malibu fitments. Koyorad A13146 is a focused OE-style cooling system replacement for these GM platforms.
Compatible Vehicles
- Fits 2019-2020 Chevrolet Impala, N/A
- Fits 2014-2018 Chevrolet Impala, N/A
- Fits 2011-2017 Buick Regal, N/A
- Fits 2010-2016 Buick LaCrosse, N/A
- Fits 2013-2014 Chevrolet Malibu, N/A
- Fits 2011-2012 Chevrolet Malibu, N/A
Common Issues This Radiator Can Address
- Coolant leaks from a damaged or aging radiator core or tank
- Overheating caused by reduced heat transfer efficiency
- Transmission cooling concerns related to a failing integrated cooler circuit
- Cracked plastic tanks or worn hose connections
- Restricted coolant flow from internal radiator deterioration
Installation Notes and Tips
Verify core dimensions, inlet and outlet sizes, and transmission cooler connection sizing before installation. Confirm vehicle year, make, and model against the fitment list for the exact application. Inspect hoses, clamps, and coolant condition during replacement to help ensure a clean installation and proper system operation.
Quality Assurance
Koyorad manufactures OE-equivalent radiators using application-specific engineering and replacement-focused production methods. Part number A13146 is built to match the listed GM fitments and cooling-system requirements for the covered Chevrolet and Buick vehicles.
| Brand | Koyorad |
| Part Number | A13146 |
| Position | Koyorad Radiator |
| Core Height | 26.75 |
| Core Material | Aluminum |
| Core Row Quantity | 1 |
| Core Thickness | 0.875 |
| Core Width | 16.3125 |
| Inlet Diameter | 1.375 |
| Outlet Diameter | 1.3125 |
| Tank Material | Plastic |
| Title | Koyorad a13146 radiator |
| Transmission Oil Cooler Diameter | 1.625 |
| Transmission Oil Cooler Plate Quantity | 3 |
This part fits 33 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2020 | Chevrolet | Impala | 3.6L | V6 | N/A | Koyorad Radiator | ||
| 2019 | Chevrolet | Impala | 3.6L | V6 | N/A | Koyorad Radiator | ||
| 2018 | Chevrolet | Impala | 3.6L | V6 | N/A | |||
| 2017 | Buick | Regal | 2.4L | L4 | N/A | |||
| 2017 | Chevrolet | Impala | 3.6L | V6 | N/A | |||
| 2016 | Buick | LaCrosse | 2.4L | L4 | N/A | |||
| 2016 | Buick | LaCrosse | 3.6L | V6 | N/A | |||
| 2016 | Buick | Regal | 2.4L | L4 | N/A | |||
| 2016 | Chevrolet | Impala | 3.6L | V6 | N/A | |||
| 2015 | Buick | LaCrosse | 2.4L | L4 | N/A | |||
| 2015 | Buick | LaCrosse | 3.6L | V6 | N/A | |||
| 2015 | Buick | Regal | 2.4L | L4 | N/A | |||
| 2015 | Chevrolet | Impala | 3.6L | V6 | N/A | |||
| 2014 | Buick | LaCrosse | 2.4L | L4 | N/A | |||
| 2014 | Buick | LaCrosse | 3.6L | V6 | N/A | |||
| 2014 | Buick | Regal | 2.4L | L4 | N/A | |||
| 2014 | Chevrolet | Impala | 3.6L | V6 | N/A | |||
| 2014 | Chevrolet | Malibu | Eco | 2.4L | L4 | ELECTRIC/GAS | N/A | |
| 2013 | Buick | LaCrosse | 2.4L | L4 | N/A | |||
| 2013 | Buick | LaCrosse | 3.6L | V6 | N/A | |||
| 2013 | Buick | Regal | 2.4L | L4 | N/A | |||
| 2013 | Chevrolet | Malibu | Eco | 2.4L | L4 | ELECTRIC/GAS | N/A | |
| 2012 | Buick | LaCrosse | 2.4L | L4 | N/A | |||
| 2012 | Buick | LaCrosse | 3.6L | V6 | N/A | |||
| 2012 | Buick | Regal | 2.4L | L4 | N/A | |||
| 2012 | Chevrolet | Malibu | 2.4L | L4 | N/A | Koyorad Radiator | ||
| 2011 | Buick | LaCrosse | 2.4L | L4 | N/A | |||
| 2011 | Buick | LaCrosse | 3.6L | V6 | N/A | |||
| 2011 | Buick | Regal | 2.4L | L4 | N/A | |||
| 2011 | Chevrolet | Malibu | 2.4L | L4 | N/A | Koyorad Radiator | ||
| 2010 | Buick | LaCrosse | 2.4L | L4 | N/A | |||
| 2010 | Buick | LaCrosse | 3.0L | V6 | N/A | |||
| 2010 | Buick | LaCrosse | 3.6L | V6 | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.