Keystone MA3014109 OEM Replacement Coolant Reservoir for Mazda 3 Without Cap

The Keystone MA3014109 is a direct-fit OEM replacement coolant reservoir, also known as a coolant overflow tank or coolant expansion tank, designed for the 2010–2013 Mazda 3. This reservoir is sold without the cap and is engineered to match the original equipment in form, fit, and function.

Key Features:

• Direct OEM replacement — designed to match the original reservoir exactly
• Manufactured to withstand underhood heat and engine vibration
• Sold without cap — cap must be reused or purchased separately
• Partslink number: MA3014109
• Replaces OEM part number: L3CE15350A

This coolant reservoir replaces a cracked, leaking, or failed original tank and installs without modifications. Compatible with both sedan and hatchback body styles across multiple engine configurations offered in the 2010–2013 Mazda 3 lineup.