Koyo KH061816 Radiator for 2004-2009 Mazda 3 and Mazdaspeed3 2.0L/2.3L I4 Manual Transmissions

All Transmissions. Also Mazda 3 w/ 2.0/2.3L

The Koyo KH061816 radiator is designed for select 2004-2009 Mazda 3 and Mazdaspeed3 models equipped with 2.0L or 2.3L four-cylinder engines and manual transmissions. Built as a direct replacement for the original radiator, it supports dependable engine cooling for daily driving, commuting, and performance applications.

Koyo is known for producing application-specific cooling components engineered for reliable fit and consistent performance. The KH061816 radiator is suitable for naturally aspirated and turbocharged engine configurations where specified, helping maintain proper coolant temperatures and protect the engine from heat-related stress. Its vehicle-specific design simplifies installation and supports compatibility with the factory cooling system.

Fitment: Fits select 2004, 2005, 2006, 2007, and 2009 Mazda 3 models, including Mazda 3 applications with 2.0L and 2.3L engines. Compatible with manual-transmission configurations and select Mazdaspeed3 applications. Verify the vehicle year, engine, transmission, and original radiator configuration before purchase.

What's Included: One Koyo KH061816 replacement radiator. Installation hardware, hoses, coolant, and additional components are not included unless specified by the vehicle manufacturer or product packaging.

Features:

• Vehicle-Specific Replacement: Designed for select 2004-2009 Mazda 3 and Mazdaspeed3 models with compatible 2.0L or 2.3L four-cylinder engines and manual transmissions.
• Reliable Engine Cooling: Helps regulate coolant temperatures and reduce heat-related stress during daily driving and demanding operating conditions.
• Naturally Aspirated and Turbo Compatibility: Supports specified Mazda 3 engine applications, including select naturally aspirated and turbocharged configurations.
• Factory-System Compatibility: Engineered as a direct replacement-style radiator to support installation with the original vehicle cooling system.

Fitments:
2004 Mazda 3 i
2004 Mazda 3 S
2005 Mazda 3 i
2005 Mazda 3 S
2005 Mazda 3 SP23
2006 Mazda 3 i
2006 Mazda 3 S
2007 Mazda 3 i
2007 Mazda 3 Mazdaspeed
2007 Mazda 3 S
2008 Mazda 3 i
2008 Mazda 3 Mazdaspeed
2008 Mazda 3 S
2009 Mazda 3 i
2009 Mazda 3 Mazdaspeed
2009 Mazda 3 S

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: N
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1