Part #: CU2303

Spectra CU2303 Radiator

⚙️ 14 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$122.37Free Shipping
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🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mazda, Protege and Protege5
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Radiator Replacement for Mazda Protege and Protege5

The Spectra CU2303 radiator is designed specifically for Mazda Protege and Protege5 models, providing efficient cooling performance to maintain optimal engine temperature. This radiator ensures proper heat dissipation, helping to prevent overheating and maintain vehicle reliability.

Key Features of Spectra CU2303 Radiator

  • Direct replacement radiator compatible with Mazda Protege and Protege5
  • Manufactured to meet OEM specifications for fit and function
  • Durable construction for long-lasting cooling performance
  • Designed to optimize engine temperature regulation
  • Part number CU2303 ensures precise fitment and compatibility

Detailed Product Description

The Spectra CU2303 radiator is engineered to provide consistent cooling for Mazda Protege and Protege5 vehicles. Built to OEM standards, this radiator offers reliable heat exchange capabilities that help maintain engine efficiency and prevent overheating. Its construction supports the vehicle’s cooling system by facilitating proper coolant flow and heat dissipation. The CU2303 radiator is a direct fit replacement, simplifying the installation process and ensuring compatibility with the original mounting points and connections.

Common Applications and Problem Resolution

  • Replaces damaged or leaking radiator in Mazda Protege and Protege5
  • Addresses engine overheating issues caused by radiator failure
  • Restores proper coolant circulation to prevent engine damage
  • Solves coolant leaks that reduce system pressure and efficiency
  • Improves overall cooling system performance for daily driving

Installation Notes and Tips

When installing the Spectra CU2303 radiator, ensure the vehicle is cool and the cooling system is depressurized before removal. Verify all hose connections and mounting points align with the original equipment. It is recommended to flush the cooling system and replace coolant to maintain optimal performance. Check for any signs of damage to surrounding components during installation.

Quality Assurance and Warranty Information

Spectra radiators are manufactured to meet or exceed OEM quality standards, ensuring reliable performance and durability. The CU2303 radiator undergoes rigorous testing to confirm fitment and function for Mazda Protege and Protege5 models. Warranty coverage details should be confirmed with the product documentation or supplier.

This part fits 14 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2003MazdaProtegeLX2.0LL4N/A
2003MazdaProtegeES2.0LL4N/A
2003MazdaProtegeDX2.0LL4N/A
2003MazdaProtegeSE1.6LL4N/A
2003MazdaProtege52.0LL4N/A
2002MazdaProtege2.0LL4N/A
2002MazdaProtege1.6LL4N/A
2002MazdaProtege52.0LL4N/A
2001MazdaProtege2.0LL4N/A
2001MazdaProtege1.6LL4N/A
2000MazdaProtege1.8LL4N/A
2000MazdaProtege1.6LL4N/A
1999MazdaProtege1.8LL4N/A
1999MazdaProtege1.6LL4N/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:

0AFD27270AFD27280AFD288622135042213506230223032303CBR2323244624472581261028122844412302412303412303A412446412446A4124474324814380997341237352407536A8012447872596609661A2303A2446B35S15200B35S15200BB35S15200CC2303CU2303FS7P15200FS7P15200AFS7P15200BFS7P15200CFS8M15200FS8M15200AFS8M15200BMA3010139MA3010140OR2303OR2447RAD2303RAD2446REA412302REA412303REA412303AREA412446REA412446AREA412447ZL0115200AZL0115200BZL0115200CZL0115200DZL0215200ZL0415200ZL0415200AZL0415200BZL0515200ZL3315200ZL3315200BZL3315200CZM0215200ZM0415200ZM0415200AZM3915200ZM3915200BZM3915200CZM4315200ZM4315200BZM4315200C

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.