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If you drive a Subaru Forester, the timing belt is a small component that has a big impact on engine health and reliability. Choosing the right timing belt affects engine synchronization, service intervals, and the likelihood of costly repairs down the road. This guide presents seven shortlisted options that meet common fitment and durability needs for Forester owners. We evaluated candidates for material quality, dimensional accuracy, and serviceability to highlight reliable choices. Read on to see which features and specs to prioritize when replacing the timing belt.
Looking for other parts? See all Subaru Forester parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | Gates PowerGrip Premium Timing Belt Kit with Water Pump (TCKWP304) |  |
| Most Popular A crowd favorite that many people choose with confidence | JAVOUKA Head Gasket and Timing Belt Kit for Subaru 2.5L (EJ251/EJ253) |  |
| Best Quality Built to a higher standard if you want something more solid | Subaru Genuine Timing Belt Kit with Pulleys and Tensioner |  |
| Best Budget The cheapest option that still gets the job done reliably | Subaru Timing Belt 13028AA21B (1 Pack) |  |
| Most Sold A high-volume bestseller chosen again and again | Evergreen Timing Belt and Water Pump Kit for 2003–2005 Subaru Forester EJ25 (Automatic) |  |
| Best Value for Money The sweet spot between price and what you get | Torchbeam Timing Belt and Water Pump Kit for Subaru 2.5L (1999–2010) |  |
| Best Overall The best all-around choice for most situations | AISIN Timing Belt Kit with Water Pump (TKF-004) |  |
1. Gates PowerGrip Premium Timing Belt Kit with Water Pump (TCKWP304)
| Brand | Gates |
|---|---|
| Automotive Fit Type | Vehicle Specific Fit |
| Model | PowerGrip Premium Timing Component Kit with Water Pump |
| Manufacturer Part Number | TCKWP304 |
This Gates PowerGrip timing belt kit supplies everything needed to service the timing system and the timing-driven water pump in one package. It is sold as a vehicle-specific fit and includes a premium timing belt, pulleys, tensioner components and a full-impeller water pump so you can replace all critical parts at once. In practice the kit is used during scheduled timing-belt intervals or when a leaking component forces an early job; replacing the water pump at the same time avoids a second teardown. Buyers report good fitment on Subaru SOHC engines, durable bearings, and straightforward installation for experienced DIYers or professional techs. A few users noted an occasional timing mark alignment discrepancy and one isolated pulley fitment issue that required minor adjustment, so careful verification of timing marks and component placement is recommended during install. This kit is best when you want a comprehensive, reliability-focused repair that minimizes future visits for the same failure area.
Best for: Reliability-focused buyers who prioritize doing the timing job correctly once and minimizing future failures by replacing all critical components during a single service.
Less Ideal for: Drivers who prefer minimal DIY involvement or those unwilling to verify fitment details during installation should consider professional installation or alternative solutions.
- Complete kit includes timing belt, pulleys, tensioner and water pump to replace the entire timing-driven cooling circuit at once
- Factory-style water pump with full impeller that matches original pump design for reliable coolant circulation
- Premium bearings and components noted by users for durability and long service life
- Vehicle-specific fit reduces parts mismatch and simplifies parts selection for compatible Subaru models
- Some installers reported timing mark alignment that required double-checking during fitment
- Rare reports of a pulley needing minor rework to avoid contact with the water pump housing
Verdict A comprehensive, vehicle-specific timing kit that prioritizes long-term reliability by replacing the belt and water pump together.
2. JAVOUKA Head Gasket and Timing Belt Kit for Subaru 2.5L (EJ251/EJ253)
| Fitment | Subaru 2.5L EJ251/EJ253 (Forester 2007-2010; Impreza/Legacy/Outback years listed) |
|---|---|
| Package contents | Head gasket set, timing belt kit, head bolts, multiple seals (86 pieces listed in title) |
| Manufacturer | JAVOUKA |
| ASIN | B0CR1LGD2H |
This JAVOUKA kit bundles a full multilayer head gasket set, head bolts and a timing belt kit intended for Subaru 2.5L EJ251/EJ253 engines used in Forester models from the 2007–2010 era. It is supplied as a comprehensive repair kit so you can replace the head gasket and timing components in one job without chasing separate parts. The kit includes the timing belt, head bolts and multiple gaskets and seals, plus timing tools in the package images, which reduces the chance of missing items during a scheduled overhaul. Buyers report the gaskets fit well and the head bolts torque correctly when following factory procedures. Expect a value-oriented, serviceable solution that gets the mechanical job done, but be prepared to verify fitment for VIN-specific Outback variants and inspect individual gaskets before installation since aftermarket intake or exhaust gaskets can sometimes need minor adjustment. This is best used by experienced DIYers or technicians who will follow Subaru torque and timing specs during installation.
Best for: Practical optimizers who want a single, cost-effective kit to complete a head gasket and timing belt job on a Subaru 2.5L engine and prefer consolidating parts to reduce downtime and parts hunting.
Less Ideal for: If you demand dealer-sourced factory parts or are uncomfortable confirming VIN-specific compatibility, choose a factory-quality replacement or consult a dealer instead.
- Full kit approach lets you replace head gasket and timing belt components in one service event
- Includes head bolts and multiple gaskets so fewer trips to source missing parts
- Timing tools shown in product materials reduce the need for separate specialty tools
- Designed specifically for Subaru 2.5L EJ251/EJ253 engine fitment so parts align to known engine layout
- Aftermarket intake or exhaust gaskets may require slight trimming or persuasion to seat perfectly
- Fitment notes exclude certain VIN variants so you must confirm engine code and VIN before ordering
Verdict A budget-friendly, all-in-one head gasket and timing belt kit for Subaru 2.5L engines that simplifies a major service for buyers who verify VIN-specific fitment.
3. Subaru Genuine Timing Belt Kit with Pulleys and Tensioner
| Brand | Subaru |
|---|---|
| Manufacturer Part Number | 13028AA240 13033AA042 13073AA142 |
| Fits | 2004-2014 WRX, 2002-2012 STI, 2005-2013 Outback/Legacy/Baja Turbo, 2002-2014 Impreza Turbo, 2004-2013 Forester Turbo |
This kit supplies factory-quality timing components intended for turbo Subaru engines and is sold as a sealed, genuine Subaru parts set. It includes the timing belt, multiple idler pulleys, a cogged idler, and the hydraulic/ mechanical tensioner so you replace all wear items during a timing service. Mechanics and savvy owners typically use this kit when performing a timing belt change to restore proper valve timing and avoid engine damage. The main benefit is parts consistency and fitment that match factory expectations, which reduces the chance of installation surprises. Some customers report reliable long-term service and correct fit without modification. Limitations to be aware of are fitment exceptions for early WRX years and at least one historical report of a missing pulley in some orders, so check contents on receipt and confirm exact model-year compatibility before starting the job.
Best for: Risk-averse mainstream owners who prioritize reliability and want factory-spec replacement parts to restore engine timing with minimal guesswork.
Less Ideal for: Owners who need a budget aftermarket option or who require universal/multi-vehicle aftermarket kits that cover non-turbo models or different model years.
- Genuine Subaru factory-quality components for correct fit and compatibility
- Comprehensive kit that includes belt, multiple idlers and tensioner for a full timing service
- Sealed OEM parts reduce uncertainty about part provenance
- Covers a wide range of turbo Subaru models so one kit fits many common service years
- Does not fit 2002–2003 WRX without different idler part number
- Some buyers reported a missing idler in isolated orders so contents verification is advisable
- Not a universal kit—must verify exact model-year fitment before installation
Verdict Choose this genuine Subaru kit if you want factory-match timing components for turbo Subaru models and peace of mind during a belt service.
4. Subaru Timing Belt 13028AA21B (1 Pack)
| Manufacturer | Subaru |
|---|---|
| Model | Timing Belt |
| Manufacturer Part Number | 13028AA21B |
| OEM Part Number | 13028 AA21B |
This is a factory Subaru timing belt (part 13028AA21B) intended as a direct replacement during scheduled timing service on compatible Subaru engines. It installs like a standard timing belt and includes the correct timing marks, which helps ensure accurate alignment during installation and reduces the chance of engine timing errors. As a genuine OEM part it matches factory fit and materials, making it a straightforward choice for rebuilds, preventative maintenance, or replacing a worn non-factory belt. Buyers benefit from predictable compatibility and the reassurance of factory-spec quality without needing to compare aftermarket brands. The main limitation is that it is a single belt only and does not include tensioners, idlers, or other auxiliary parts that are commonly recommended to replace at the same interval, so budget-focused buyers should factor in the cost of those additional components and labor if they want a complete timing service.
Best for: Budget-conscious owners seeking a reliable, factory-quality timing belt replacement who prioritize correct fit and predictable performance over buying a multi-part service kit.
Less Ideal for: Owners wanting a complete timing service kit with tensioners and pulleys included should consider aftermarket bundles that package all required components together.
- Genuine Subaru factory replacement ensures correct fit and timing marks for accurate installation
- Manufactured to factory specifications for predictable durability and performance
- Single-pack format is simple for one-off replacements or targeted repairs
- Sold as the belt only, so tensioners and idlers are not included
- Not a budget aftermarket bundle that includes auxiliary parts for a full timing job
Verdict A cost-conscious way to maintain your Subaru with a genuine factory timing belt, but plan to buy additional parts if you need a full timing service.
5. Evergreen Timing Belt and Water Pump Kit for 2003–2005 Subaru Forester EJ25 (Automatic)
| Fitment | 2003–2005 Subaru Forester 2.5L EJ25 Automatic (non-turbo) |
|---|---|
| Belt supplier | Mitsuboshi (223 teeth) |
| Tensioner and idlers | GMB tensioner assembly and idlers |
| Water pump | GMB water pump with 2-hose connection |
| Seals included | 4 camshaft seals and 1 front crankshaft seal |
This Evergreen kit bundles the timing belt, tensioner assembly, idler pulleys, seals and a matching water pump into a single package for the 2003–2005 Subaru Forester with the 2.5L EJ25 automatic transmission. Installation replaces the full timing drive and the pump at the same service interval, which is the practical way to avoid repeat labor and the risk of a belt or pump failure. The kit uses a Mitsuboshi belt and GMB branded tensioner/idlers and pump components, which are common aftermarket suppliers and simplify matching to factory-style parts. Buyers get a full set of camshaft and crank seals and the correct two-hose water pump version for automatic models. Limitations are that this kit is specific to the automatic transmission non-turbo Forester and will not fit manual-transmission cars, and you should verify exact engine code and hose configuration before ordering. For a risk-averse owner, the convenience of one kit that replaces every timing component and the pump reduces the chance of installation omissions during a service.
Best for: A risk-averse mainstream buyer who prioritizes reducing future failure risk and prefers buying a single, complete timing service kit that matches factory-style components for a Subaru Forester EJ25 automatic.
Less Ideal for: Owners who have a manual-transmission Forester, turbo models, or those who prefer sourcing each component individually for OEM-only parts or custom upgrades.
- Complete kit includes belt, tensioner assembly, idlers, cam and crank seals, and water pump to cover the full timing system.
- Uses recognized component sources: Mitsuboshi belt and GMB tensioner/idlers and water pump for easier parts-match to factory-style items.
- Water pump supplied with the two-hose connection specific to 2003–2005 automatic Forester, avoiding wrong-pump fitment.
- Includes all seals needed for a full timing service, reducing the need to buy additional parts.
- Fits only 2003–2005 Subaru Forester with the automatic transmission and non-turbo EJ25 engine, not compatible with manual or turbo models.
- Does not include installation hardware or step-by-step instructions beyond standard service references; professional installation or a repair manual is recommended.
Verdict A convenient, factory-style timing belt and water pump kit tailored for 2003–2005 Forester EJ25 automatic owners who want a one-stop, risk-reducing service solution.
6. Torchbeam Timing Belt and Water Pump Kit for Subaru 2.5L (1999–2010)
| Vehicle fitment | Subaru Forester 1999–2010 (2.5L) |
|---|---|
| Included parts | Timing belt, tensioner assembly, idler bearings, water pump |
| Manufacturer | Torchbeam |
| Item model number | 24312-26050 |
This Torchbeam kit supplies the timing belt, tensioner assembly, idler bearings and water pump needed when you service a Subaru 2.5L engine. It is sold as a full replacement kit aimed at routine timing service and cooling system refreshes, so a technician can swap the belt, replace bearings and change the water pump in one job. Components are described as OEM-grade with reinforced rubber belt construction and alloy pulleys for improved heat resistance, which should reduce stretch and cracking on high-mileage cars. Buyers report straightforward fitment on compatible Subaru engines and generally dependable day-to-day performance. Expect the common advantages of a bundled aftermarket kit: lower cost than dealer parts and everything included for the job. Watch for inconsistent packaging and occasional missing small parts based on some user reports, and be prepared to verify you received all necessary seals and fasteners before starting the job. Professional installation is recommended for correct timing and coolant system bleed procedures.
Best for: Practical optimizers who prioritize getting a complete, lower-cost timing service kit that covers the common maintenance items in one purchase and keeps ownership costs down.
Less Ideal for: Those seeking dealer-sourced factory parts, one-off component upgrades, or a guaranteed dealer warranty should consider factory-quality alternatives or purchasing parts separately.
- Complete kit includes timing belt, tensioner assembly, idler bearings and water pump so multiple components are replaced at once.
- Engineered to factory-match fit and uses reinforced belt and alloy pulleys for improved heat resistance and reduced stretch.
- Suitable for routine timing service on compatible Subaru 2.5L engines which simplifies parts sourcing for the job.
- Multiple user reports note reliable day-to-day performance and correct fitment on compatible vehicles.
- Some buyers reported missing small parts in the package, so you may need to confirm all seals and fasteners are included before installation.
- Aftermarket quality can vary by batch so results depend on individual unit inspection and professional fitting.
Verdict A budget-friendly, full replacement kit that simplifies timing and water pump service on compatible Subaru 2.5L Foresters, but check the package before you start the job.
7. AISIN Timing Belt Kit with Water Pump (TKF-004)
| Brand | AISIN |
|---|---|
| Model | Timing Belt Kit with Water Pump |
| Compatible Vehicles | Select Subaru Forester (see fitment) |
This AISIN timing belt kit is designed as a one-box service solution for Subaru Forester owners doing a timing service. It includes a factory-quality water pump plus an OEM-matched timing belt, hydraulic tensioner, idler pulleys, gaskets, and installation instructions so you can replace all wear items at once instead of doing piecemeal repairs. In practice the kit saves time because the major labor steps are identical whether you change the belt or the pump, and the included parts are sourced from known suppliers (NTN, Mitsuboshi, Koyo) which matches factory fit and finish. The diecast aluminum water pump with carbon ceramic seal is a notable durability upgrade over budget pumps. Limitations: the kit does not include a thermostat or special tools such as a crank holding tool or feeler gauge for setting belt-to-guide clearance, so plan to buy those separately if needed; a few users have reported occasional belt quality variation. For Forester owners who want a near-OEM replacement kit and prefer replacing all timing components at once, this AISIN package is a practical, reliable choice.
Best for: Balanced all-round Forester owners who prioritize long-term reliability and prefer a single, well-matched kit to service the timing system and water pump together.
Less Ideal for: Buyers who want a bare-bones budget option or a kit that includes every small accessory and tool out of the box should consider alternatives or add the missing items separately.
- Complete kit includes water pump, timing belt, hydraulic tensioner, idler pulleys, gaskets, and instructions for a single service job.
- Uses OEM-matched suppliers (Mitsuboshi, NTN, Koyo) for parts and a diecast aluminum water pump with carbon ceramic seal for durability.
- Saves labor time by allowing simultaneous replacement of belt and pump instead of separate jobs, reducing long-term maintenance cost.
- Does not include a thermostat, so buyers must source that separately when servicing cooling components.
- No specialty installation tools or feeler gauge included, which may require purchasing or borrowing tools for proper setup.
- A small number of reviews report belt quality issues, so inspecting the belt before installation is prudent.
Verdict A near-factory-quality, complete timing service kit for Forester owners who want to replace the belt and pump in one reliable job.
Choosing the Right Subaru Forester Timing Belt: Key Factors to Consider
Material and Tensile Strength
The material and tensile strength determine how well a timing belt resists stretching and degradation over time. Higher tensile strength helps maintain precise tooth engagement and timing alignment, which is critical for the Forester engine's valve-to-piston relationship.
Materials designed for heat and oil resistance last longer in under-hood conditions and reduce the risk of sudden failure. When assessing options, look for specifications on cord material and reinforcement to understand expected fatigue life and service performance.
Dimensional Accuracy and Tooth Profile
Accurate belt width, pitch, and tooth profile ensure proper meshing with the camshaft and crankshaft pulleys. Small deviations can cause poor engagement, increased wear, or noise, and may affect timing precision on a Subaru Forester.
Choose belts with manufacturer-provided dimensions that match the vehicle's OEM specs. Confirming tooth geometry and pitch compatibility reduces installation issues and helps preserve engine timing accuracy.
Kit Completeness and Included Hardware
Many timing belt replacements benefit from a complete kit that includes tensioners, idlers, and seals. Replacing only the belt can leave worn components in place, which might transfer extra stress to the new belt and shorten its life.
Evaluate whether the belt option is sold as part of a kit tailored for the Forester. Included hardware can simplify installation, ensure compatible tolerances, and reduce the chance of follow-up service due to overlooked worn parts.
Compatibility With Recommended Maintenance Interval
Match the belt's expected service life to the Forester's recommended maintenance schedule. A belt rated for a longer interval can reduce replacement frequency, but it must still meet the engine's durability needs and installation best practices.
Review manufacturer guidance on service life and maintenance intervals. Selecting a belt that aligns with established intervals helps keep maintenance predictable and minimizes the risk of untimely failures.
Installation Requirements and Fitment Guidance
Installation complexity affects labor time and the likelihood of correct setup. Clear fitment guidance, torque specs, and routing diagrams reduce the chance of incorrect tensioning or misrouting during installation on a Forester.
Prefer options that come with detailed instructions or access to technical documentation. Understanding required tools and recommended procedures helps you plan for professional installation or a DIY job with confidence.
Resistance to Environmental Factors
Belts operate in a hot, sometimes oily environment. Resistance to heat, oil, and ozone affects longevity and performance under typical driving conditions. Materials formulated for these exposures maintain flexibility and strength over time.
Consider belts with explicit ratings or testing for heat and oil resistance. Greater environmental resilience reduces the chance of premature cracking or degradation and supports reliable operation between service intervals.
FAQ
How often should I replace the Subaru Forester timing belt?
Replacement frequency depends on the vehicle's model year and service recommendations, but timing belts are typically replaced at manufacturer-specified intervals measured in miles or years. Following the maintenance interval helps prevent belt failure and related engine damage. If you are unsure, consult the vehicle's service schedule or a qualified technician for advice tailored to your Forester.
What are common timing belt symptoms that indicate a problem?
Signs often include unusual noises from the front of the engine, such as squealing or rattling, visible cracking or glazing on the belt, or irregular engine performance. Some symptoms can be subtle, so periodic visual inspection during service is useful. If you notice worrying signs, have the belt inspected promptly to assess condition and fitment.
Can I install a timing belt kit myself and how long does it usually take?
Installation complexity varies by engine setup and your mechanical experience. A timing belt install time can range from a few hours for experienced DIYers to longer if additional components require removal. A complete kit with clear instructions reduces guesswork, but if you lack the right tools or experience, professional installation reduces the risk of incorrect tensioning or misalignment.
Is it better to buy a timing belt alone or a timing belt kit?
A timing belt kit that includes tensioners, idler pulleys, and seals often provides a more comprehensive solution because worn components can compromise a new belt. Buying only the belt may save upfront time, but replacing related hardware at the same time helps ensure long-term reliability and can prevent follow-up repairs caused by secondary failures.
What should I check during a visual inspection of the timing belt?
Look for cracking, fraying, glazing, missing teeth, or signs of oil contamination. Also check pulleys and tensioners for excessive play or wear and listen for abnormal noises when the engine is running. Regular inspections can identify issues before they lead to belt failure and help you decide whether replacement or a full kit is appropriate.
How We Chose the Best Subaru Forester Timing Belt
We focused on attributes that matter specifically for Subaru Forester timing belt replacements. Key evaluation criteria included belt material and tensile strength to assess durability under Forester engine loads, dimensional and tooth-profile accuracy to ensure correct engagement with OEM pulleys, and compatibility with recommended maintenance intervals for Subaru engines. We also considered included hardware and whether the option was offered as a complete timing belt kit to simplify installation, plus manufacturer documentation for torque and routing specifications. We excluded products without clear Forester-specific fitment data, belts lacking material or spec details, and options that did not offer replacement hardware when the application typically benefits from it. The final selections prioritized belts that aligned with Forester service schedules, showed consistent dimensional specs, and offered clear installation guidance. We did not include items with ambiguous compatibility or missing technical information.
Our full evaluation process is outlined in our review methodology.
Conclusion
When choosing a timing belt for a Subaru Forester, prioritize correct fitment, material durability, and whether the option includes replacement hardware. Those factors influence long-term timing accuracy and the likelihood of follow-up service. Balance the belt's rated service life with the vehicle's maintenance schedule and plan for thorough installation or professional service. Focusing on dimensional accuracy, environmental resistance, and clear installation guidance helps ensure dependable engine timing and fewer surprises down the road.
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