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Vehicle Specification Lookup Tool🔍
The Jeep Wrangler engines have timing chains or timing belts, depending on the engine and model year; interference classification varies by engine.
Scroll down to see detailed timing belt data for your particular model year of the Jeep Wrangler.
| Year | Engine | Belt Or Chain | Interference or Non-Interference |
|---|---|---|---|
| 1987-1995, 1997-2002, 2007-2026 | All | Timing Chain | Interference |
| 2003-2006 | 2.4L | Timing Belt | Non-Interference |
| 2003-2006 | 4.0L | 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.
The 2026 Jeep Wrangler engines have timing chains and are interference engines.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.0L Turbo | Timing Chain | Interference | Lifetime |
| 2.0L 4 Cyl. Turbo Plug-in Hybrid | Timing Chain | Interference | Lifetime |
| 3.6L | Timing Chain | Interference | Lifetime |
| 6.4L V8 | Timing Chain | Interference | Lifetime |
The 2025 Jeep Wrangler engines have timing chains and are interference engines.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.0L Turbocharged | Timing Chain | Interference | Lifetime |
| 3.6L | Timing Chain | Interference | Lifetime |
| 6.4L V8 | Timing Chain | Interference | Lifetime |
| 2.0L I4 Turbo Plug-in Hybrid 4xe | Timing Chain | Interference | Lifetime |

The 2024 Jeep Wrangler engines have timing chains and are interference engines.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.0L Hybrid | Timing Chain | Interference | Lifetime |
| 2.0L Turbocharged | Timing Chain | Interference | Lifetime |
| 3.6L | Timing Chain | Interference | Lifetime |
| 6.4L V8 | Timing Chain | Interference | Lifetime |
The 2023 Jeep Wrangler engines have timing chains and are interference engines.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.0L Hybrid | Timing Chain | Interference | Lifetime |
| 2.0L Turbocharged | Timing Chain | Interference | Lifetime |
| 3.0L Diesel | Timing Chain | Interference | Lifetime |
| 3.6L | Timing Chain | Interference | Lifetime |
| 3.6L Hybrid | Timing Chain | Interference | Lifetime |
| 6.4L V8 | Timing Chain | Interference | Lifetime |
The 2022 Jeep Wrangler engines have timing chains and are interference engines.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.0L Hybrid | Timing Chain | Interference | Lifetime |
| 2.0L Turbocharged | Timing Chain | Interference | Lifetime |
| 3.0L Diesel | Timing Chain | Interference | Lifetime |
| 3.6L | Timing Chain | Interference | Lifetime |
| 3.6L Hybrid | Timing Chain | Interference | Lifetime |
| 6.4L V8 | Timing Chain | Interference | Lifetime |

The 2021 Jeep Wrangler engines have timing chains and are interference engines.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.0L Hybrid | Timing Chain | Interference | Lifetime |
| 2.0L Turbocharged | Timing Chain | Interference | Lifetime |
| 3.0L Diesel | Timing Chain | Interference | Lifetime |
| 3.6L | Timing Chain | Interference | Lifetime |
| 6.4L | Timing Chain | Interference | Lifetime |

The 2020 Jeep Wrangler engines have timing chains and are interference engines.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.0L Hybrid | Timing Chain | Interference | Lifetime |
| 2.0L Turbocharged | Timing Chain | Interference | Lifetime |
| 3.0L Diesel | Timing Chain | Interference | Lifetime |
| 3.6L | Timing Chain | Interference | Lifetime |

The 2019 Jeep Wrangler engines have timing chains and are interference engines.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.0L Hybrid | Timing Chain | Interference | Lifetime |
| 3.6L | Timing Chain | Interference | Lifetime |

The 2018 Jeep Wrangler engines have timing chains and are interference engines.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.0L Hybrid | Timing Chain | Interference | Lifetime |
| 3.6L | Timing Chain | Interference | Lifetime |
The 2017 Jeep Wrangler has a timing chain and is an interference engine.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 3.6L | Timing Chain | Interference | Lifetime |
The 2016 Jeep Wrangler has a timing chain and is an interference engine.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 3.6L | Timing Chain | Interference | Lifetime |
The 2015 Jeep Wrangler has a timing chain and is an interference engine.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 3.6L | Timing Chain | Interference | Lifetime |
The 2014 Jeep Wrangler has a timing chain and is an interference engine.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 3.6L | Timing Chain | Interference | Lifetime |
The 2013 Jeep Wrangler has a timing chain and is an interference engine.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 3.6L | Timing Chain | Interference | Lifetime |
The 2012 Jeep Wrangler has a timing chain and is an interference engine.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 3.6L | Timing Chain | Interference | Lifetime |
The 2011 Jeep Wrangler has a timing chain and is an interference engine.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 3.8L | Timing Chain | Interference | Lifetime |
The 2010 Jeep Wrangler has a timing chain and is an interference engine.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 3.8L | Timing Chain | Interference | Lifetime |
The 2009 Jeep Wrangler has a timing chain and is an interference engine.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 3.8L | Timing Chain | Interference | Lifetime |
The 2008 Jeep Wrangler has a timing chain and is an interference engine.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 3.8L | Timing Chain | Interference | Lifetime |
The 2007 Jeep Wrangler has a timing chain and is an interference engine.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 3.8L | Timing Chain | Interference | Lifetime |
The 2006 Jeep Wrangler engines have timing belts or timing chains, depending on the engine; interference classification varies by engine.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.4L | Timing Belt | Non-Interference | 90k |
| 4.0L | Timing Chain | Interference | Lifetime |
The 2005 Jeep Wrangler engines have timing belts or timing chains, depending on the engine; interference classification varies by engine.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.4L | Timing Belt | Non-Interference | 90k |
| 4.0L | Timing Chain | Interference | Lifetime |
The 2004 Jeep Wrangler engines have timing belts or timing chains, depending on the engine; interference classification varies by engine.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.4L | Timing Belt | Non-Interference | 90k |
| 4.0L | Timing Chain | Interference | Lifetime |
The 2003 Jeep Wrangler engines have timing belts or timing chains, depending on the engine; interference classification varies by engine.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.4L | Timing Belt | Non-Interference | 90k |
| 4.0L | Timing Chain | Interference | Lifetime |
The 2002 Jeep Wrangler engines have timing chains and are interference engines.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.5L | Timing Chain | Interference | Lifetime |
| 4.0L | Timing Chain | Interference | Lifetime |
The 2001 Jeep Wrangler engines have timing chains and are interference engines.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.5L | Timing Chain | Interference | Lifetime |
| 4.0L | Timing Chain | Interference | Lifetime |
The 2000 Jeep Wrangler engines have timing chains and are interference engines.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.5L | Timing Chain | Interference | Lifetime |
| 4.0L | Timing Chain | Interference | Lifetime |
The 1999 Jeep Wrangler engines have timing chains and are interference engines.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.5L | Timing Chain | Interference | Lifetime |
| 4.0L | Timing Chain | Interference | Lifetime |
The 1998 Jeep Wrangler engines have timing chains and are interference engines.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.5L | Timing Chain | Interference | Lifetime |
| 4.0L | Timing Chain | Interference | Lifetime |
The 1997 Jeep Wrangler engines have timing chains and are interference engines.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.5L | Timing Chain | Interference | Lifetime |
| 4.0L | Timing Chain | Interference | Lifetime |
The 1995 Jeep Wrangler engines have timing chains and are interference engines.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.5L | Timing Chain | Interference | Lifetime |
| 4.0L | Timing Chain | Interference | Lifetime |
The 1994 Jeep Wrangler engines have timing chains and are interference engines.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.5L | Timing Chain | Interference | Lifetime |
| 4.0L | Timing Chain | Interference | Lifetime |
The 1993 Jeep Wrangler engines have timing chains and are interference engines.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.5L | Timing Chain | Interference | Lifetime |
| 4.0L | Timing Chain | Interference | Lifetime |
The 1992 Jeep Wrangler engines have timing chains and are interference engines.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.5L | Timing Chain | Interference | Lifetime |
| 4.0L | Timing Chain | Interference | Lifetime |
The 1991 Jeep Wrangler engines have timing chains and are interference engines.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.5L | Timing Chain | Interference | Lifetime |
| 4.0L | Timing Chain | Interference | Lifetime |
The 1990 Jeep Wrangler engines have timing chains and are interference engines.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.5L | Timing Chain | Interference | Lifetime |
| 4.2L | Timing Chain | Interference | Lifetime |
The 1989 Jeep Wrangler engines have timing chains and are interference engines.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.5L | Timing Chain | Interference | Lifetime |
| 4.2L | Timing Chain | Interference | Lifetime |
The 1988 Jeep Wrangler engines have timing chains and are interference engines.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.5L | Timing Chain | Interference | Lifetime |
| 4.2L | Timing Chain | Interference | Lifetime |
The 1987 Jeep Wrangler engines have timing chains and are interference engines.
| Engine | Belt Or Chain | Interference or Non-Interference | Service Interval |
|---|---|---|---|
| 2.5L | Timing Chain | Interference | Lifetime |
| 4.2L | 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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