A radiator cap is a critical component of your vehicle's cooling system, regulating pressure and preventing overheating. Selecting the correct replacement ensures optimal engine performance and longevity. Choosing a cap that matches your vehicle's specifications is essential for maintaining system integrity and avoiding costly repairs.
Looking for the best Automotive Replacement Radiator Caps?
Discover now our comparison of the best Automotive Replacement Radiator Caps. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Automotive Replacement Radiator Caps are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Automotive Replacement Radiator Caps in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.
- Wide range of applications covering all makes and models
- Engineered for precise pressure control with application-specific vent and vacuum-relief valves
- Requires no adjustment for installation
- Fit type: Vehicle Specific
- Country of Origin : China
- The Package Height of the Product is 3.02 inches
- The Package Length of the Product is 7.53 inches
- The Package Width of the Product is 5.58 inches
- Assures long service life and accurate control of pressure
- Can be used for applications with or without coolant recovery systems
- Inventory requirements are dramatically reduced
- Safety release lever
- Protects against accidental burns by releasing steam through overflow tube
- Package Dimension : 11 " L x 7 " W x 3 " H
- Country of Origin: CHINA
- Model Number : 19045-PAA-A01
- Item Package Weight : 2 pounds
- 🌀【BUYER'S GUIDE】 You will receive 1pc coolant reservoir cap with size 2.60*2.60*1.50 inch. Replacement OEM#53479332, 68442532AA, 68249136AA. Please double check the OEM number and the compatible car model before you purchase to avoid the product...
- 🌀【COMPATIBILITY】 Compatible with Chrysler 2015-2017 200, 2020-2021 Voyager, 2017-2021 Pacifica. Compatible with Dodge 2013-2016 Dart, 2016-2021 Durango. Compatible with Jeep 2014-2021 Cherokee, 2017-2021 Compass, 2020-2021 Gladiator...
- 🌀【QUALITY RADIATOR COOLANT RESERVOIR CAP】 Our coolant reservoir cap replacement is made of quality nylon material. Strong and wear-resistant. The non-slip gear-shaped design on the edges makes your daily use of the cap more convenient and easy.
- 🌀【EFFECTIVE SEALING】 The coolant reservoir tank cap has a precise raised design at the bottom, which can seal the opening of the tank more effectively.
- 🌀【QUICK REPLACEMENT】 This coolant cap is simple and easy to install, you simply unscrew the original cap, replace it with our cap and screw it into the coolant reservoir opening.
- Radiator Cap
- Genuine Subaru Part Number: 45137AE003
- Crosstrek 2013-2025
- Forester 1999-2025
- Imperza 1999-2025
- Legacy 2020-2025
- Outback 2020-2025
- STi 2015-2021
- WRX 2015-2025
- Wide range of applications covering all makes and models
- Engineered for precise pressure control with application-specific vent and vacuum-relief valves
- Requires no adjustment for installation
- Warm Reminder: Before buying please check your car information to determine whether it is suitable for your vehicle
- OEM Interchange: 2143074N02, 21430D992D, 21430D995A, 21430D999A, 25330-0W000, 25330-1P000, 25330-1P000, 25330-1R000, 25330-38000, 25330-38001, 25330-39100, 25330-3K000, 253300W000, 2533020, 2533020, 253302E000, 253302E...
- Fitment: Compatible With Honda Acura BMW Chevrolet Dodge Eagle Genesis Geo Kia Mazda Opel Hyundai Toyota Suzuki Nissan Ford Infiniti Lexus
- Feature: The radiator cap holds the coolant inside the radiator, but it also works as a two-way valve that keeps the right pressure inside so the radiator does it work correctly. Symptoms of a Bad Radiator Cap: air enters the system, low coolant level...
- Quality: Made of premium quality for strong stability,which will bulit to long lasting durability. Direct replacement for a proper fit and easy installation, just plug and & play, quality materials used, meets or exceeds OEM standards!
- Assures long service life and accurate control of pressure
- Gates - Driven By Possibility
- ENGINE_COMPONENT_CAP
- Model Number: 5278697AA
- Height: 4.0 inches Length: 6.0 inches Width: 4.0 inches
- Stainless Steel
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Last update on 2026-04-16 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Automotive Replacement Radiator Caps
Key Factors for Choosing a Radiator Cap
When replacing your car's radiator cap, consider these essential factors to ensure a proper fit and function:- Pressure Rating: Radiator caps are designed to hold a specific amount of pressure within the cooling system. This rating, usually stamped on the cap itself (e.g., 13 PSI, 16 PSI), is crucial. Consult your vehicle's owner's manual or the old cap to determine the correct pressure rating. Using a cap with an incorrect rating can lead to leaks, boiling over, or damage to cooling system components.
- Material and Construction: Radiator caps are typically made of metal (often brass or steel) with a rubber seal. Ensure the cap is made from durable materials that can withstand high temperatures and the corrosive nature of coolant. A well-constructed cap with a secure, intact rubber seal is vital for maintaining a tight seal and preventing leaks.
- Vehicle Compatibility: Not all radiator caps are universal. While some might fit physically, the internal mechanisms and sealing surfaces can differ. Always verify that the replacement cap is specifically designed for your vehicle's make, model, and year. Cross-referencing part numbers or using online compatibility checkers can help ensure you purchase the correct part.
