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If you drive an Infiniti G35, the condition of its timing belt is critical to engine health and drivability. Selecting the right timing belt ensures reliable valve timing, reduces the risk of catastrophic engine damage, and keeps your car running smoothly under everyday and spirited use. This guide presents a shortlist of the top timing belts suitable for the Infiniti G35, each chosen for attributes that matter to owners.We evaluated candidates for durability, material quality, and exact fitment, plus compatibility with common maintenance practices and installation considerations. Keep reading to see our top picks and what to watch for when planning a timing belt service.
Looking for other parts? See all Infiniti G35 parts & accessories.
Top Picks at a Glance
| Best overall The best all-around choice for most situations | Gates PowerGrip Premium Timing Belt Component Kit with Water Pump |  |
| Best Value The sweet spot between price and what you get | Bando Precision Engineered Timing Belt (TB257) |  |
| Best Budget The cheapest option that still gets the job done reliably | Gates Premium Automotive Timing Belt (T259) |  |
| Highest Rated A top-rated pick with lots of positive feedback | Gates PowerGrip Premium Timing Belt Component Kit (TCK179) |  |
| Most popular A crowd favorite that many people choose with confidence | Bando Precision Engineered Timing Belt TB329 |  |
| Best Seller A high-volume bestseller chosen again and again | GMB Timing Belt Kit with Water Pump (Model 3420-0345) |  |
1. Gates PowerGrip Premium Timing Belt Component Kit with Water Pump
| Brand | Gates |
|---|---|
| Automotive Fit Type | Vehicle Specific Fit |
| Manufacturer Part Number | TCKWP224 |
| Vehicle Service Type | Car, Truck |
This Gates PowerGrip kit supplies everything needed to replace a timing belt and the water pump in one service visit. Designed as a vehicle-specific kit, it bundles a Gates timing belt with matching idlers, hydraulic tensioner where required, pump, gasket and installation hardware plus instructions. For routine maintenance on an Infiniti G35 this means you can change the belt and the water pump at the same time, avoiding a second tear-down later and reducing cumulative labor cost. The included hydraulic tensioner and factory-quality pulleys make it straightforward to set correct tension, and the pump is built for durable cooling performance. A practical downside is occasional quality control issues reported for individual pumps on arrival, so inspect the pump before installation and be prepared to request a replacement if damaged. The kit is a convenient, shop-friendly solution for a balanced buyer who wants a near-complete, factory-replacement-quality timing service in one box.
Best for: A balanced all-round buyer who prioritizes convenience and long-term value and wants a single kit to complete a timing belt and water pump service with factory-quality parts.
Less Ideal for: If you prefer sourcing individual OEM components or need a kit that covers additional accessory belts, this all-in-one timing kit may not meet that workflow.
- Complete kit includes timing belt, idlers, tensioner(s), water pump, gasket and installation hardware
- Hydraulic tensioner included where required simplifies correct belt tensioning
- Parts match Gates factory-quality components for reliable service life
- Detailed installation instructions and technical notes included to aid proper fitment
- Some customers have received water pumps with shipping damage or manufacturing defects
- Kit covers vehicle-specific applications so you must confirm exact fit for the G35 before ordering
Verdict: A convenient, near-complete factory-quality timing belt and water pump kit that saves repeat labor but inspect the pump on arrival for possible defects.
2. Bando Precision Engineered Timing Belt (TB257)
| Brand | Bando USA |
|---|---|
| Model | Precision Engineered Timing Belt |
| Manufacturer | Bando |
| Item model number | TB257 |
This Bando Precision Engineered Timing Belt is a straightforward replacement timing belt designed to deliver a positive, no-slip drive for overhead-cam engines like the Infiniti G35. It is typically used when replacing a worn OEM timing belt during scheduled maintenance or a service job. Bando emphasizes tensile cords that resist stretch, precision molded teeth with durable fabric facing, and a rubber backing that resists abrasion, oil, and heat, which in practice means a close fit, reliable tooth engagement, and good resistance to engine contaminants. For a practical optimizer focused on value, the belt offers OEM-quality construction from a long-established manufacturer and fits as expected according to user reports. Limits to expect are that this listing is the belt only with no additional installation components, and fitment depends on selecting the correct belt size for the G35 model year and engine variant. Professional installation or a full timing kit is recommended for a complete service and to avoid extra labor if other components are worn.
Best for: Practical optimizers who want a factory-quality, value-conscious timing belt for routine service on an Infiniti G35 and prioritize durable, OEM-like replacement parts.
Less Ideal for: Drivers planning a full timing-system overhaul who prefer a complete kit with tensioner and idler bearings should consider a timing kit instead of buying the belt alone.
- Manufactured to OEM-quality standards by an experienced supplier
- Tensile cord engineered to resist stretch for consistent timing
- Rubber backing resists abrasion, oil, and heat for longer life
- Precision molded teeth with fabric facing for durable tooth engagement
- Sold as the belt only, no tensioner, idlers, or seals included
- Fitment requires confirming the exact TB number for your G35 engine and year
Verdict: A reliable, OEM-quality replacement belt that gives strong value if you only need the timing belt for your Infiniti G35 but plan a separate service for other timing components.
3. Gates Premium Automotive Timing Belt (T259)
| Manufacturer | Gates |
|---|---|
| Model | Premium Automotive Timing Belt |
| Item model number | T259 |
| Manufacturer Part Number | T259 |
| OEM Part Number | MD307487, MZ690637, OHC259 |
The Gates Premium Automotive Timing Belt T259 is a direct-fit replacement intended to restore engine timing on compatible vehicles. It is typically used during scheduled timing service or when a worn belt is replaced and installs like a factory belt thanks to OE-style sizing and construction. Notable features called out by the manufacturer include HNBR rubber for heat and contamination resistance, aramid-reinforced nylon jackets and backsides for durability, PTFE-infused jackets to reduce friction, and premium tensile members for strength. In practice that means a belt built to resist stretching and tooth shear so timing accuracy and longevity are improved compared with lower-cost generic belts. The product is simple to use for a professional or competent DIYer when combined with correct tensioning and pulleys. Limitations are that a timing belt replacement requires other service items for a complete job such as tensioners, idlers, and water pump which are not included and the listing does not provide vehicle-specific fitment details beyond part numbers so confirm compatibility before purchase.
Best for: Budget-conscious buyers who want a factory-quality replacement timing belt that balances long-term durability with a lower purchase cost and who plan to perform or pay for professional timing service.
Less Ideal for: Owners seeking a complete timing-service kit or those who need vehicle-specific guidance included with the part should consider a multi-piece kit or dealer-sourced option.
- Built with HNBR rubber and aramid reinforcement for improved heat resistance and durability
- PTFE-infused jackets and premium tensile members reduce friction and help prevent tooth shear
- Manufactured by a major timing-belt supplier with parts designed to meet or exceed factory fit and performance
- Straightforward direct-replacement design suitable for standard timing belt service
- Does not include related service parts such as tensioners, idlers, or water pump
- Fitment must be verified against vehicle part numbers before ordering
Verdict: A cost-conscious way to get a factory-quality replacement timing belt from a trusted supplier that emphasizes heat resistance and durability.
4. Gates PowerGrip Premium Timing Belt Component Kit (TCK179)
| Brand | Gates |
|---|---|
| Model | PowerGrip Premium Timing Belt Component Kit |
| Item model number | TCK179 |
| Manufacturer | Gates |
The Gates PowerGrip Premium Timing Belt Component Kit is a full-service timing kit intended for technicians and DIYers who need to replace the entire timing drive assembly. It supplies the timing belt plus idler(s), tensioner, tensioner spring and supporting hardware along with installation instructions and service bulletins so you can complete a proper system replacement instead of swapping only the belt. In real-world use this reduces repeat visits because worn pulleys and tensioners are replaced at the same time as the belt. The parts are factory-quality and widely used as a direct replacement in many domestic and import applications; several owners report straightforward fit and reliable performance after installation. The kit does not include vehicle-specific specialty tools such as camshaft lock tools, so plan for those separately, and you should address leaking seals or other front-end repairs while the job is open. For anyone replacing a timing belt on an interference engine, using a full component kit like this helps avoid premature failures caused by old tensioners or idlers.
Best for: Practical optimizer buyers focused on reliability and avoiding repeat repairs who want a single kit that replaces all wear items in the timing drive during scheduled maintenance.
Less Ideal for: If you only need a single replacement belt or are performing a temporary field repair, this full component kit is more than required and a simpler belt-only option may be a better fit.
- Complete kit includes belt, idler(s), tensioner, tensioner spring and supporting hardware for a one-pass repair
- Factory-quality parts designed as OEM-equivalent replacements
- Includes installation instructions and Technical Service Bulletins for tricky fitments
- Broad coverage for domestic and import applications, simplifying parts sourcing
- Does not include specialty installation tools such as camshaft gear locking tools
Verdict: Buy this kit to replace the entire timing drive in one go with factory-quality, OEM-equivalent parts that reduce the chance of repeat failures.
5. Bando Precision Engineered Timing Belt TB329
| Manufacturer | Bando |
|---|---|
| Brand | Bando USA |
| Item model number | TB329 |
This Bando TB329 timing belt is a precision-molded replacement intended for demanding overhead-cam applications like the Infiniti G35's VQ engines. It installs the same way as a factory belt and is typically used during a scheduled timing service or full timing kit replacement. Notable features include treated tensile cords engineered to resist stretch, a rubber backing formulated to resist abrasion, oil, and heat, and fabric-faced teeth for longer life. Those elements translate to a snug fit, consistent timing over service intervals, and reduced risk of premature tooth wear under normal driving. The belt comes from a manufacturer that supplies major automakers, so fit and tooth profile are aligned with factory expectations. Limitations are that this listing is the belt only, so buyers must source any necessary tensioners, idlers, or water pump separately, and you should follow Infiniti service intervals and torque procedures during installation. For convenience-focused owners, it offers a near-OEM replacement that simplifies getting a dependable timing belt for a G35.
Best for: Convenience-driven Infiniti G35 owners who want a reliable, factory-quality replacement timing belt that fits like the original and reduces the risk of premature wear without hunting down obscure aftermarket brands.
Less Ideal for: Buyers who prefer a complete timing kit with tensioners, idlers, and water pump included or those who need step-by-step installation guidance in a single purchase.
- Precision molded teeth with fabric facing for longer tooth life
- Tensile cord engineered and treated to resist stretch and maintain timing
- Rubber backing formulated to resist abrasion, oil, and heat
- Produced by a long-established OEM supplier with factory-quality standards
- Sold as the belt only, requires separate purchase of tensioner and related hardware
- No vehicle-specific installation instructions or kit components included
Verdict: A near-OEM timing belt choice for the Infiniti G35 that prioritizes fit and durability but requires buying the accompanying hardware separately.
6. GMB Timing Belt Kit with Water Pump (Model 3420-0345)
| Brand | GMB |
|---|---|
| Model | 3420-0345 |
| Fit type | Vehicle Specific |
This GMB timing belt kit supplies the parts needed when replacing the timing system on an Infiniti G35 and is packaged as a one-box, vehicle-specific solution. It contains a timing belt, tensioning components, and a GMB-manufactured water pump designed to match OE coolant flow and pressure, so the pump should integrate with the engine cooling system without tuning. Installers will use this kit during a scheduled timing-belt service or when symptoms indicate wear; reviews report straightforward installation when following service manuals and using proper timing tools. Notable positives are the factory-quality focus and a metal-impeller water pump in place of some original plastic designs, which improves durability. Some buyers reported occasional damaged parts on arrival, so inspect the pump before installing. The kit includes generic instructions, so expect to rely on a factory service manual or Chilton guide for torque values and timing procedures. For an owner prioritizing a reliable, OEM-style replacement for the G35, this kit covers the main failure points but plan for careful pre-install inspection and standard shop procedures.
Best for: Risk-averse mainstream G35 owners who prioritize a factory-quality, complete timing service kit and want a straightforward parts solution to maintain long-term reliability.
Less Ideal for: Drivers seeking a budget throwaway option or those who want detailed step-by-step installation guidance included with the kit should consider alternatives or professional installation.
- Vehicle-specific one-box kit includes timing belt, tensioning components, and water pump for a complete service.
- GMB water pump advertised to match OEM coolant flow and pressure for proper cooling system integration.
- Water pump with metal impeller offers better durability than common plastic impellers.
- Factory-quality manufacturing focus intended to meet OEM replacement standards.
- Instructions are generic and may not provide vehicle-specific torque or timing procedures.
- A small number of buyers reported receiving a damaged water pump requiring replacement before installation.
Verdict: A complete, factory-quality timing kit tailored for the Infiniti G35 that simplifies a full timing service while rewarding careful pre-install inspection.
Choosing the Right Infiniti G35 Timing Belt: Key Factors to Consider
Fitment and Compatibility
Exact fitment is essential because the timing belt must match the engine's tooth profile, width, and overall length to maintain correct valve timing. A belt that is even slightly off can introduce slack, skip teeth, or place unusual load on tensioners, which risks engine damage.
When evaluating fitment, look for explicit vehicle match data and OEM-equivalent specifications. Fitment affects not only installation ease but also long-term reliability, so prioritize parts that document compatibility with the Infiniti G35 motor and its factory timing geometry.
Material and Construction
The belt compound, internal cord type, and tooth reinforcement determine how the belt resists heat, oil, and stretch over time. High-quality compounds and well-reinforced cords reduce elongation and help maintain precise timing under varying loads and temperatures.
Construction choices also influence noise and smoothness. A well-built belt runs quietly and transfers motion without excessive vibration. Consider belts that specify reinforced cords and heat-resistant tooth materials to maximize service life in regular driving conditions.
Included Components in Kits
Many timing belt replacements are done as part of a kit that includes tensioners, idler pulleys, water pump seals, and cam or crank seals. Having these components included ensures compatibility among parts and reduces the chance of a newer belt being compromised by an older, worn tensioner or pulley.
Completeness matters because replacing the belt alone can leave failing ancillary parts in place, which often leads to repeat labor. Prefer kits that supply all wear items that typically meet the service interval so you can address failure points in one job.
Durability and Longevity
A timing belt must withstand heat, oil exposure, and mechanical stress for the interval between services. Longevity depends on material quality and the manufacturing process, and a longer-lasting belt reduces the frequency of replacements and the risk of unexpected breakage.
Look for belts rated for longer mileage or that list resistance to common degradation factors. Longevity should be balanced with expected driving conditions, as city driving with frequent temperature cycles can shorten belt life compared with steady highway use.
Installation and Serviceability
Ease of installation affects total labor time and the chance of installation-related issues. Features such as clear alignment marks, comprehensive instructions, and a kit that minimizes the number of separate parts can streamline the repair and reduce errors.
Consider whether the belt or kit requires special tools or adjustments that go beyond typical timing-belt service procedures. Parts that align with factory service steps and include helpful documentation reduce the risk of improper installation and help ensure correct tensioning.
Maintenance Interval and Replacement Signals
Understanding the recommended maintenance interval and the common symptoms of a failing timing belt helps you plan service before a failure occurs. Intervals are influenced by the belt construction and driving conditions, and adhering to a sensible schedule reduces catastrophic engine risk.
Be familiar with signs such as unusual engine noise, difficulty starting, or visible wear during inspection. A clear maintenance plan that factors in vehicle mileage, age, and operating conditions will help you decide when to replace the belt rather than reacting to failure symptoms.
How We Chose the Best Infiniti G35 Timing Belt
We focused on durability, fitment accuracy, materials and construction quality, and the completeness of replacement kits when selecting timing belts for the Infiniti G35. Durability covers belt compound and reinforcement layers that influence lifespan under heat and load. Fitment accuracy means the belt matches factory dimensions and tooth profile to preserve engine timing without modification. Materials and construction include teeth design, cord type, and backing to resist stretch and wear. Completeness of replacement kits evaluates whether tensioners, idlers, and seals are included to simplify service and reduce variables that can cause premature failure. We also considered ease of installation in typical home or shop settings and the availability of technical documentation.We excluded products that lacked clear vehicle compatibility information or that did not specify construction materials. We did not consider generic belts without fitment data, and we filtered out items intended only for racing use where longevity and everyday reliability are compromised. The resulting list prioritizes belts and kits that balance long-term reliability, exact fit, and serviceability for the Infiniti G35.
Our full evaluation process is outlined in our review methodology.
FAQ
How often should I replace the Infiniti G35 timing belt?
Replacement intervals often depend on mileage and vehicle age. Many owners follow manufacturer-recommended intervals or a conservative mileage schedule based on the belt material and driving conditions. Consider replacing the belt at regular service intervals and earlier if the belt shows signs of wear or if you drive in severe conditions.
What are common signs of a failing timing belt on the Infiniti G35?
Common indicators include unusual engine noise near the timing cover, rough idling, difficulty starting, or visible cracks and glazing on the belt during inspection. These symptoms often appear gradually, so regular inspections can catch issues before a complete failure.
Should I replace tensioners and idler pulleys when replacing the timing belt?
It is usually advisable to replace tensioners and idler pulleys at the same time because they experience similar wear and can fail prematurely if left unchanged. Replacing these components together minimizes the risk of a new belt being compromised by an older worn part and can save labor if done during the same service.
Can I install a timing belt myself, and how long does installation take?
Installation difficulty varies with mechanical experience and available tools. For a competent DIYer with the right tools, the job can take several hours, while a professional shop may complete it faster. Accurate timing alignment and correct tensioning are critical, so if you are unsure, seek experienced help.
Does the Infiniti G35 use a timing belt or a timing chain?
Some engines use a belt while others use a chain. For the Infiniti G35, confirm the engine type before planning service because the maintenance needs and replacement intervals differ between belt-driven and chain-driven systems. Always verify compatibility with the specific engine variant.
What should I budget for when planning a timing belt service?
Budget considerations include the cost of a quality belt or kit, associated wear components like tensioners and seals, and labor for the service. Also factor in potential additional work such as water pump replacement if it is driven by the timing system, since addressing related items during the same service can prevent future labor duplication.
Conclusion
Prioritize exact fitment, robust materials, and complete kits when choosing a timing belt for the Infiniti G35. Those factors together reduce the chance of premature failure and simplify service.Balance durability with maintenance needs and plan replacements around recommended intervals and observable symptoms. Replacing worn ancillary parts at the same time further lowers long-term risk and keeps the engine running reliably.
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- Check out all Infiniti G35 parts & accessories
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