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Vehicle Specification Lookup Tool🔍
All Mazda 6 engines have timing chains and are interference.
Scroll down to see detailed timing belt data for your particular model year of the Mazda 6.
| Year | Engine | Belt Or Chain | Interference or Non-Interference |
|---|---|---|---|
| 2003 - 2021 | All | Timing Chain | Interference |
Note: Replacement intervals are broad recommendations and can be affected by age, weather conditions, running conditions etc. Check with the owner's manual/ manufacturer/ dealership.
Check out the Belt Or Chain specifications for other makes and models.
All 2021 Mazda 6 engines have timing chains and are interference.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.5L 4 Cyl. | Timing Chain | Interference | Lifetime |
| 2.5L 4 Cyl. Turbo | Timing Chain | Interference | Lifetime |
All 2020 Mazda 6 engines have timing chains and are interference.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.5L 4 Cyl. | Timing Chain | Interference | Lifetime |
| 2.5L 4 Cyl. Turbo | Timing Chain | Interference | Lifetime |
All 2019 Mazda 6 engines have timing chains and are interference.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.5L 4 Cyl. | Timing Chain | Interference | Lifetime |
| 2.5L 4 Cyl. Turbo | Timing Chain | Interference | Lifetime |
All 2018 Mazda 6 engines have timing chains and are interference.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.5L 4 Cyl. | Timing Chain | Interference | Lifetime |
| 2.5L 4 Cyl. Turbo | Timing Chain | Interference | Lifetime |
All 2017 Mazda 6 engines have timing chains and are interference.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.5L 4 Cyl. | Timing Chain | Interference | Lifetime |
All 2016 Mazda 6 engines have timing chains and are interference.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.5L 4 Cyl. | Timing Chain | Interference | Lifetime |
All 2015 Mazda 6 engines have timing chains and are interference.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.5L 4 Cyl. | Timing Chain | Interference | Lifetime |
All 2014 Mazda 6 engines have timing chains and are interference.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.5L 4 Cyl. | Timing Chain | Interference | Lifetime |
All 2013 Mazda 6 engines have timing chains and are interference.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.5L 4 Cyl. | Timing Chain | Interference | Lifetime |
| 3.7L V6 | Timing Chain | Interference | Lifetime |
All 2012 Mazda 6 engines have timing chains and are interference.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.5L 4 Cyl. | Timing Chain | Interference | Lifetime |
| 3.7L V6 | Timing Chain | Interference | Lifetime |
All 2011 Mazda 6 engines have timing chains and are interference.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.5L 4 Cyl. | Timing Chain | Interference | Lifetime |
| 3.7L V6 | Timing Chain | Interference | Lifetime |
All 2010 Mazda 6 engines have timing chains and are interference.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.5L 4 Cyl. | Timing Chain | Interference | Lifetime |
| 3.7L V6 | Timing Chain | Interference | Lifetime |
All 2009 Mazda 6 engines have timing chains and are interference.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.5L 4 Cyl. | Timing Chain | Interference | Lifetime |
| 3.7L V6 | Timing Chain | Interference | Lifetime |
All 2008 Mazda 6 engines have timing chains and are interference.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.3L 4 Cyl. | Timing Chain | Interference | Lifetime |
| 3.0L V6 | Timing Chain | Interference | Lifetime |
All 2007 Mazda 6 engines have timing chains and are interference.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.3L 4 Cyl. | Timing Chain | Interference | Lifetime |
| 2.3L 4 Cyl. Turbo | Timing Chain | Interference | Lifetime |
| 3.0L V6 | Timing Chain | Interference | Lifetime |
All 2006 Mazda 6 engines have timing chains and are interference.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.3L 4 Cyl. | Timing Chain | Interference | Lifetime |
| 2.3L 4 Cyl. Turbo | Timing Chain | Interference | Lifetime |
| 3.0L V6 | Timing Chain | Interference | Lifetime |
All 2005 Mazda 6 engines have timing chains and are interference.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.3L 4 Cyl. | Timing Chain | Interference | Lifetime |
| 3.0L V6 | Timing Chain | Interference | Lifetime |
All 2004 Mazda 6 engines have timing chains and are interference.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.3L 4 Cyl. | Timing Chain | Interference | Lifetime |
| 3.0L V6 | Timing Chain | Interference | Lifetime |
All 2003 Mazda 6 engines have timing chains and are interference.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.3L 4 Cyl. | Timing Chain | Interference | Lifetime |
| 3.0L V6 | Timing Chain | Interference | Lifetime |

The primary purpose of the timing belt or timing chain is to maintain the timing (syncronization) between the crankshaft and the camshaft(s).
A timing belt is made of a rubber compound while a timing chain is made of chain similiar to a bicycle chain.
A timing belt wears out over time and must be replaced at the manufacturer's specified interval. Timing belt failure can result in serious engine damage.
Although a timing chain will wear over time it is usually good for the lifetime of the engine but it should be routinely inspected.
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