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Genuine Mazda Radiator & Cooling Parts

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Protect Your Engine with OEM Mazda Radiator & Cooling Parts

The cooling system is essential to your Mazda’s performance and reliability. Radiators, thermostats, hoses, and fans work together to keep temperatures in check and prevent overheating. For owners of the versatile Mazda CX-5, maintaining your cooling system ensures smooth operation during commutes and long road trips alike. By replacing old components with genuine Mazda parts, you reduce the risk of costly breakdowns.

What Do Radiator & Cooling Parts Do?

The system regulates engine temperature, ensuring optimal performance while preventing overheating under demanding conditions.

Critical Signs of Cooling System Issues

1. Frequent Overheating

Overheating is a clear sign that one or more cooling components need replacement.

2. Coolant Leaks

Puddles under your car can indicate failing hoses or seals.

3. Rising Temperature Gauge

If your dashboard gauge spikes often, your radiator or thermostat may be compromised.

Why Use Genuine Mazda Cooling Parts?

OEM cooling components are designed to deliver the precise airflow and coolant circulation your Mazda demands. Unlike aftermarket options, they ensure proper fit and durability. If you want a complete refresh of your Mazda's cooling system, OEM radiators will give you the best results.

Contact our parts team at Mazda Parts Connect to secure authentic radiator and cooling replacements and extend the life of your Mazda CX-5.

Radiator Cap

Part Number: L3R1-15-205
Mazda Mazda
Notes: Included with radiator assembly.
Other Names: Cap Radiator
Description: Without turobcharger. From 07/18/2005.
Fits:
  • Mazda:
    • 6
MSRP $6.31
$4.91

Radiator Cap

Part Number: WL21-15-205
Mazda Mazda
Other Names: Cap Radiator
Description: Protege. Manual trans.
Fits:
  • Mazda:
    • Protege,
    • Protege5
MSRP $25.56
$19.93

Radiator Cap

Part Number: L3R4-15-205
Mazda Mazda
Applications: 2.5L (2011-13).
Other Names: Cap Radiator
Description: Mazda6.
Fits:
  • Mazda:
    • 6
MSRP $14.44
$11.26

Radiator Cap

Part Number: PE11-15-205
Mazda Mazda
Notes: Included with radiator. Included with water outlet. Included with filler assembly.
Other Names: Filler Cap, Cap Radiator
Description: Genuine Mazda Radiator cap  Miata mx5. Mazda3. 2.0l. Mazda6. 2.5L non turbo. Radiator cap. With turbo. To 10/19/2018. Exc.Mexico...
Fits:
  • Mazda:
    • 3,
    • 6,
    • CX-5,
    • MX-5 Miata
MSRP $41.81
$30.60

Radiator Cap

Part Number: B3C7-15-205
Mazda Mazda
Other Names: Cap Radiator
Description: Protege. Manual trans.
Fits:
  • Mazda:
    • Protege
$23.13

Radiator Cap

Part Number: KL61-15-205
Mazda Mazda
Notes: Included with water outlet.
Other Names: Cap, Cap Radiator
Description: 626, MX-6. 6 cyl. On water outlet. 2.5L.
Fits:
  • Mazda:
    • 626,
    • Millenia,
    • MX-6
MSRP $35.56
$26.02

Radiator Cap

Part Number: KL78-15-205
Mazda Mazda
Other Names: Cap, Cap Radiator Nla
Description: From 10/10/1995. 6 cylinder.
Fits:
  • Mazda:
    • 626,
    • MX-6
MSRP $15.08
$11.75

Radiator Cap

Part Number: 2996-23-921
Mazda Mazda
Other Names: Cap, Radiator
Description: All models.
Fits:
  • Mazda:
    • B2000,
    • B2200
MSRP $15.57
$12.14

Radiator Cap

Part Number: LF21-15-205
Mazda Mazda
Other Names: Cap Radiator
Description: Mazdaspeed6.
Fits:
  • Mazda:
    • 6
MSRP $29.81
$23.24

Radiator Cap

Part Number: LFH1-15-205
Mazda Mazda
Applications: 2.3L.
Other Names: Cap Radiator
Description: CX-7. From 05/15/2007.
Fits:
  • Mazda:
    • 6,
    • CX-7
MSRP $31.49
$24.56

Radiator Cap

Part Number: K817-15-205
Mazda Mazda
Other Names: Cap Radiator
Replaces: N321-15-205
Description: From 12/16/1986. MX-3. 1.8l.
Fits:
  • Mazda:
    • MX-3,
    • RX-7
MSRP $40.49
$29.63

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