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One Stop Solutions 13278 Radiator
Reliable Radiator Replacement for Audi and Porsche Models
The One Stop Solutions radiator part number 13278 is engineered to provide efficient cooling performance for select Audi and Porsche vehicles. Designed with precision, this radiator supports optimal engine temperature management for models including the Audi A4 Quattro, A5, A5 Quattro, A6, and Porsche Macan, Q5, S4, S5, and SQ5.
Key Features of One Stop Solutions Radiator 13278
- Hassle free installation with drop-in fit, form, and function
- OE performance and quality standards maintained
- Engineering enhancements improve cooling efficiency and extend service life
- Premium grade core materials including plastic tanks and PA core
- Includes a plated transmission oil cooler with fittings spaced at 11 13/16 inches
- Crossflow design with dual core rows for effective heat dissipation
- Tested up to three times during production for quality assurance
Detailed Radiator Specifications and Design
This radiator features a core height of 28 3/8 inches, core width of 18 7/16 inches, and a core thickness of 1-7/16 inches, constructed with a durable PA core material. The plastic tanks are designed to withstand thermal stress while maintaining structural integrity. The crossflow configuration enhances coolant flow and heat exchange efficiency. Both inlet and outlet headers measure 19 1/2 inches in length and 2 3/16 inches in width, with inlet and outlet diameters of 1 1/2 inches, ensuring compatibility with the vehicle’s cooling system. The included plated transmission oil cooler supports transmission fluid temperature regulation, critical for vehicle performance under load. This radiator does not include an engine oil cooler or cap.
Compatible Vehicles and Common Applications
- Replacement radiator for Audi A4 Quattro, A5, A5 Quattro, and A6 models
- Suitable for Porsche Macan, Q5, S4, S5, and SQ5 vehicles
- Addresses overheating issues due to radiator core damage or clogging
- Resolves coolant leaks from cracked or worn plastic tanks
- Improves transmission cooling performance with integrated oil cooler
Installation Notes and Tips
Installation of the One Stop Solutions radiator 13278 is designed to be straightforward with a direct drop-in fit. Ensure all factory specifications for torque and fittings are followed during installation. Verify the transmission oil cooler connections are secure and free of leaks. It is recommended to flush the cooling system before installation to prevent contamination. This radiator does not include a cap, so reuse the existing cap or replace as necessary.
Quality Assurance and Testing
Each radiator undergoes rigorous testing up to three times during production to ensure durability and performance. Components are fitted and torqued to factory specifications to maintain OE standards. The product incorporates engineering enhancements to address original design limitations and improve overall cooling efficiency and lifespan.
| Brand | One Stop Solutions |
| Part Number | 13278 |
| Core Height | 28 3/8 |
| Core Thickness | 1-7/16 |
| Core Thickness | 36 |
| Core Width | 18 7/16 |
| Inlet Header Length | 19 1/2 |
| Outlet Header Length | 19 1/2 |
| Core Material | Pa |
| Tank Material | Plastic |
| Transmission Oil Cooler Included | Yes |
| Inlet Header Width | 2 3/16 |
| Outlet Header Width | 2 3/16 |
| Transmission Oil Cooler Type | Plated |
| Transmission Oil Cooler Distance between Fittings | 11 13/16 |
| Engine Oil Cooler Type | None |
| Core Row Quantity | 2 |
| Inlet Diameter | 1 1/2 |
| Outlet Diameter | 1 1/2 |
| Engine Oil Cooler Included | No |
| Down Flow Or Cross Flow Type | Crossflow |
| Cap Included | No |
| BulletPoint 1 | Hassle free installation |
| BulletPoint 2 | O.e. performance and exceptional quality |
| BulletPoint 3 | Engineering enhancements provide improved cooling and longer life |
| BulletPoint 4 | Components are fitted and torqued in place to factory specificati |
| BulletPoint 5 | Premium grade tubes, fins, headers, tanks, and other components a |
| BulletPoint 6 | Drop in fit, form and function. all necessary fittings or hardwar |
| BulletPoint 7 | Complete radiators 100% tested up to three times during productio |
| BulletPoint 8 | Enhancements added to solve original design failures and to impro |
This part fits 54 vehicles. Search below:
| Year | Make | Model | Submodel | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2024 | Porsche | Macan | 2.0L | L4 | N/A | |||
| 2023 | Porsche | Macan | 2.0L | L4 | N/A | |||
| 2022 | Porsche | Macan | 2.0L | L4 | N/A | |||
| 2021 | Porsche | Macan | 2.0L | L4 | N/A | |||
| 2020 | Porsche | Macan | 2.0L | L4 | N/A | |||
| 2019 | Porsche | Macan | 3.0L | V6 | N/A | |||
| 2018 | Porsche | Macan | 3.0L | V6 | N/A | |||
| 2017 | Audi | Q5 | 3.0L | V6 | N/A | |||
| 2017 | Audi | S4 | Automatic | 3.0L | V6 | N/A | ||
| 2017 | Audi | SQ5 | 3.0L | V6 | N/A | |||
| 2017 | Porsche | Macan | 3.0L | V6 | N/A | |||
| 2016 | Audi | A5 | 3.0L | V6 | N/A | |||
| 2016 | Audi | A5 Quattro | 3.0L | V6 | N/A | |||
| 2016 | Audi | A6 | 3.0L | V6 | N/A | |||
| 2016 | Audi | Q5 | 3.0L | V6 | N/A | |||
| 2016 | Audi | SQ5 | 3.0L | V6 | N/A | |||
| 2016 | Porsche | Macan | 3.0L | V6 | N/A | |||
| 2015 | Audi | A5 | 3.0L | V6 | N/A | |||
| 2015 | Audi | A5 Quattro | 3.0L | V6 | N/A | |||
| 2015 | Audi | Q5 | 3.0L | V6 | N/A | |||
| 2015 | Audi | SQ5 | 3.0L | V6 | N/A | |||
| 2015 | Porsche | Macan | 3.0L | V6 | N/A | |||
| 2014 | Audi | A4 Quattro | 3.0L | V6 | N/A | |||
| 2014 | Audi | A5 Quattro | 3.0L | V6 | N/A | |||
| 2014 | Audi | Q5 | 3.0L | V6 | N/A | |||
| 2014 | Audi | SQ5 | 3.0L | V6 | N/A | |||
| 2013 | Audi | A4 Quattro | 3.0L | V6 | N/A | |||
| 2013 | Audi | A5 Quattro | 3.0L | V6 | N/A | |||
| 2013 | Audi | A6 | 2.8L | V6 | N/A | |||
| 2013 | Audi | Q5 | 3.0L | V6 | N/A | |||
| 2012 | Audi | A4 Quattro | 3.2L | V6 | N/A | |||
| 2012 | Audi | A5 Quattro | 3.0L | V6 | N/A | |||
| 2012 | Audi | A6 | 2.8L | V6 | N/A | |||
| 2012 | Audi | Q5 | 3.0L | V6 | N/A | |||
| 2012 | Audi | Q5 | 3.2L | V6 | N/A | |||
| 2012 | Audi | S5 | Automatic Dual Clutch | 3.0L | V6 | N/A | Main Radiator | |
| 2011 | Audi | A4 Quattro | 3.2L | V6 | N/A | |||
| 2011 | Audi | A5 Quattro | 3.2L | V6 | N/A | |||
| 2011 | Audi | A6 | 2.8L | V6 | N/A | |||
| 2011 | Audi | Q5 | 3.0L | V6 | N/A | |||
| 2011 | Audi | Q5 | 3.2L | V6 | N/A | |||
| 2011 | Audi | S5 | 3.0L | V6 | N/A | Main Radiator | ||
| 2010 | Audi | A4 Quattro | 3.2L | V6 | N/A | |||
| 2010 | Audi | A5 | 3.2L | V6 | N/A | |||
| 2010 | Audi | A5 Quattro | Automatic | 3.2L | V6 | N/A | ||
| 2010 | Audi | A6 | 2.8L | V6 | N/A | 28 3/8" Between Tanks | ||
| 2010 | Audi | Q5 | 3.0L | V6 | N/A | |||
| 2010 | Audi | Q5 | 3.2L | V6 | N/A | |||
| 2010 | Audi | S5 | 3.0L | V6 | N/A | Main Radiator | ||
| 2009 | Audi | A4 Quattro | Base | 3.2L | V6 | N/A | w/ OIL COOLER | |
| 2009 | Audi | A5 | 3.2L | V6 | N/A | |||
| 2009 | Audi | A5 Quattro | Automatic | 3.2L | V6 | N/A | ||
| 2009 | Audi | Q5 | 3.2L | V6 | N/A | |||
| 2008 | Audi | A5 | 3.2L | V6 | N/A |
* 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.