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Replacing a worn or failing timing chain on your Infiniti Q50 is one of the best ways to protect engine health and avoid costly repairs down the road. Choosing the right timing chain kit matters because fitment, component quality, and installation complexity directly affect reliability and long-term performance. This guide collects the top shortlisted timing chain kits for the Q50, each selected for build quality and practical fitment considerations. We evaluated factors such as included components, material durability, and how straightforward installation tends to be. Read on for the key details that matter before you start a replacement.
Looking for other parts? See all Infiniti Q50 parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | Autodevil Timing Chain Kit for VQ37VHR 3.7L (370Z/G37/FX37/QX70) |  |
| Most Popular A crowd favorite that many people choose with confidence | Daysyore Timing Chain Kit with Water Pump for Infiniti Q50/Q70/QX80 5.6L/5.0L V8 |  |
| Best Quality Built to a higher standard if you want something more solid | A-Premium 16-Piece Engine Timing Chain Kit with Tensioners — Compatible with Audi 3.0T Supercharged V6 |  |
| Best Budget The cheapest option that still gets the job done reliably | ApplianPar Timing Chain Kit for Infiniti Q50 (factory replacement fit) |  |
| Most Sold A high-volume bestseller chosen again and again | Mango S 3.6 Timing Chain Kit with Guides and Tensioner |  |
| Best Value for Money The sweet spot between price and what you get | ProXlex Timing Chain Kit for VQ35DD 3.5L (Nissan Pathfinder / Infiniti QX60) |  |
| Best Overall The best all-around choice for most situations | A-Premium Engine Timing Chain Kit with VVT Sprockets and Tensioner |  |
1. Autodevil Timing Chain Kit for VQ37VHR 3.7L (370Z/G37/FX37/QX70)
| Brand | Autodevil |
|---|---|
| Fits Engine | VQ37VHR 3.7L |
| Compatible Models | G37, 370Z, FX37, QX70 |
| Manufacturer Part Number | Ming-HW0033 |
| OEM Part Numbers | 13028JK20A 13028JK20B 130701MR0A 13070JK21C 13070JK21B 13085AL505 13091AL502 |
This Autodevil timing chain kit supplies the chain, tensioner, guide rails and related hardware needed when doing a timing service on the VQ37VHR 3.7L engine used in the Infiniti G37, 370Z, FX37 and QX70. It is intended for a full timing-area overhaul rather than a piecemeal repair, so installers get matching replacement chains and new tensioners and guides that fit the factory mounting points. Buyers report accurate fitment to the OEM part numbers included in the listing and generally trouble-free installation when following service procedures. The kit maker says parts are treated for durability and designed for quiet operation, which helps restore consistent valve timing and reduce mechanical noise. Important limitations are that this is an aftermarket replacement so plastic parts may differ visually from factory pieces and the package usually includes only basic instructions, so a shop manual or experienced mechanic is recommended for correct installation. This is best used when performing a full timing refresh to avoid mixing old and new components in the timing train.
Best for: Reliability-focused buyers who want a complete, budget-conscious timing-area overhaul for an Infiniti Q50 with the 3.7L VQ37VHR engine and prioritize restoring long-term engine timing integrity.
Less Ideal for: Owners seeking factory-branded parts for a dealer-level replacement or those who prefer to replace only a single worn component instead of doing a full timing-area service should consider alternatives.
- Complete kit includes chain, tensioner, guide rails and hardware for a full timing-area replacement
- Parts match listed OEM part numbers for direct-fit installation on compatible 3.7L VQ37VHR engines
- Manufacturer states enhanced treatments for durability and reduced operational noise
- Multiple customer reports confirm accurate fitment and dependable post-install operation
- Aftermarket plastic components may differ in color and appearance from factory parts
- Instructions are typically basic so professional installation or a detailed service manual is advisable
Verdict A complete, reliability-minded aftermarket timing kit that fits Infiniti 3.7L VQ37VHR engines and is a cost-effective option for a full timing refresh.
2. Daysyore Timing Chain Kit with Water Pump for Infiniti Q50/Q70/QX80 5.6L/5.0L V8
| Fitment | Infiniti Q50/Q70/QX56/QX80 5.6L and QX70 5.0L V8 (VK56VD) |
|---|---|
| Part numbers | 13021-1LA1A, 13021-1CA0A, 15043-1CA0B, 15043-1CA2A, 13070-1LA1A |
| Condition | New |
| Installation | Direct replacement, easy to install |
This Daysyore timing chain kit is a complete replacement set intended for Infiniti 5.6L and 5.0L V8 engines used in Q50, Q70, QX56 and QX80 models. It supplies the metal timing chain, guides, tensioners, and a water pump so you can replace the wear items in one service interval rather than sourcing parts separately. In practice the kit speeds up repair planning for a timing-service job and reduces the risk of missing small components like pins, gaskets, or pump hardware. Several buyers reported good fit and clear timing marks, while some reported early failures on the water pump or damaged machining on the oil pump in other fitments, which highlights variable quality control. This kit is promoted as direct replacement and easy to install, but because quality can vary inspect the included pump and tensioner components before assembly and be prepared to swap any suspect parts for factory-quality replacements if you want long-term reliability. The kit is useful for a single complete timing overhaul but keep an eye on critical sealing surfaces and plastic tensioner parts during installation.
Best for: Convenience-driven owners who want a single, ready-made timing chain kit to simplify a timing overhaul and minimize parts-sourcing time and phone calls to suppliers.
Less Ideal for: Those who prioritize factory-quality critical components or who prefer buying individual OEM parts for the highest long-term reliability should consider buying OEM pumps and tensioners separately.
- Complete kit includes chain, guides, tensioners and water pump so you can do a full timing service in one job
- Designed to match factory fitment for Infiniti 5.6L and 5.0L V8 engines which simplifies parts selection
- Metal timing chain and heat-resistant components aimed at longer service life than belt options
- Many buyers report the kit fits as advertised and includes necessary gaskets and pins
- Packaged as a direct replacement to reduce compatibility checking during purchase
- Inconsistent component quality reported by some users, notably water pump or oil pump sealing surfaces
- Some tensioner parts may be plastic which can be less durable than metal replacements
- A few buyers reported fitment problems on certain model years, so verification is still required before installation
Verdict A convenient all-in-one timing chain kit for Infiniti V8 engines that speeds repairs but may require inspection or replacement of critical pumps or tensioners for long-term reliability.
3. A-Premium 16-Piece Engine Timing Chain Kit with Tensioners — Compatible with Audi 3.0T Supercharged V6
| Brand | A-Premium |
|---|---|
| Kit contents | 16 pieces: chains, tensioners, guide rails, gears |
| Compatible engines | Supercharged 3.0T V6 (select Audi applications) |
This 16-piece timing chain kit supplies chains, tensioners, guide rails, and gears intended to replace the factory timing system on compatible supercharged 3.0T V6 engines. It is typically used when replacing worn timing chains or rebuilding the front-end timing assembly to restore proper valve timing and engine performance. Notable features include multiple pre-matched chains and tensioners plus four guide rails and four gears, which simplifies sourcing when doing a full timing service. The manufacturer states the parts are made to OEM specification for fit and steady transmission power, which should help maintain engine smoothness and timing accuracy when installed correctly. Important limitations are that the kit is built for specific supercharged Audi 3.0T applications and will not fit other engines, and using a non-factory brand requires careful inspection and proper installation to avoid premature wear. Expect the kit to be a practical, lower-cost way to renew the entire timing assembly when you need a full component set rather than piecemeal replacements.
Best for: Performance-oriented owners seeking a full timing assembly replacement to restore precise valve timing and consistent power delivery after chain wear or failure.
Less Ideal for: Drivers who need parts for non-supercharged engines or those who prefer buying individual factory-sourced components rather than a full aftermarket kit.
- Complete set includes multiple chains, tensioners, guide rails, and gears so you can replace the entire timing assembly in one job.
- Manufacturer states OEM-spec manufacturing aimed at fit and stable timing transmission to restore engine smoothness.
- Covers the common supercharged 3.0T V6 timing components so you avoid buying mismatched parts separately.
- Fitment is limited to certain supercharged Audi 3.0T V6 engines and is not universal.
- One-year guarantee may be shorter than factory or extended warranties offered by some suppliers.
Verdict A comprehensive aftermarket kit for restoring timing performance on compatible supercharged 3.0T V6 engines, best when you need a complete factory-quality replacement rather than individual parts.
4. ApplianPar Timing Chain Kit for Infiniti Q50 (factory replacement fit)
| Brand | ApplianPar |
|---|---|
| Model | 13085-EY00A |
| Fitment | Infiniti Q50 (listed model years) |
This ApplianPar timing chain kit supplies the core components needed when replacing timing hardware on an Infiniti Q50 within the specified fitment range. The kit is packaged as a full replacement set and includes chains, guides, and related parts so a technician can renew the timing system during an engine refresh or repair. In use it installs like a factory-quality replacement and customers report close dimensional fit and reliable machining compared with original parts. The practical benefit is a much lower cost than dealer parts while still providing the pieces needed to complete a timing job in one purchase. Limitations to consider are that some guide pieces may differ slightly from factory originals and an installer might reuse a stronger original guide in critical spots, and the kit does not include installation hardware or detailed vehicle-specific instructions beyond standard procedures. For a budget-focused repair on an Infiniti Q50 this kit covers the main components needed to restore timing functionality without the premium price of manufacturer parts.
Best for: Budget-conscious Infiniti Q50 owners or independent mechanics who prioritize lowering repair costs while getting the essential timing components in one purchase.
Less Ideal for: Owners seeking dealer-level, factory-branded parts or those who want a plug-and-play OEM match without inspecting and possibly swapping marginal guide pieces should consider factory replacement options instead.
- Complete set includes timing chain and multiple guides so you have the primary components required for a timing-system overhaul
- Fits Infiniti Q50 applications listed, simplifying parts selection for that vehicle
- Affordable alternative to factory parts, lowering repair cost while keeping necessary components together
- Some plastic guide pieces may be slightly smaller or thinner than factory originals which can prompt reuse of stronger OEM pieces
- Does not include vehicle-specific installation instructions or additional installation hardware
Verdict A cost-effective timing chain kit that supplies the main parts needed to repair an Infiniti Q50 timing system, with minor guide differences compared with factory parts.
5. Mango S 3.6 Timing Chain Kit with Guides and Tensioner
| Brand | Mango S |
|---|---|
| Item model number | 9-0753S |
| Fits engines | 2.8L, 3.0L, 3.6L |
| Replacement for | Multiple factory timing part numbers |
This Mango S timing chain kit supplies the chains, guides, tensioner and related timing hardware needed when a 3.6L V6 shows chain stretch, timing noise, or timing-related diagnostic codes. It is used as a direct replacement timing set during engine repairs where the front timing assembly is serviced. Notable features include multiple replacement chains, guide pieces, and at least one hydraulic tensioner supplied to restore chain tension and realign timing components to factory-spec positions. In real-world use the kit can remove timing-related trouble codes and quiet a rattling front end when installed correctly, and several buyers report long service life when parts fit as expected. Limitations are variability in quality control between kits and occasional missing fasteners or tensioners that do not deploy without additional work, so a careful inspection before installation and a plan to source small hardware or replacement tensioners is prudent. Installation requires mechanical skill and proper timing procedures to avoid engine damage.
Best for: Risk-averse mainstream buyers seeking a practical, lower-cost replacement timing kit for a 3.6L timing service who prefer a full kit to avoid multiple separate orders and want straightforward repair outcomes.
Less Ideal for: Users who demand guaranteed factory-direct parts with zero variability or those unwilling to inspect and possibly source small fasteners or replacement tensioners before installation.
- Complete kit includes chains, guides and a tensioner for a full timing assembly service
- Designed to match factory timing specifications as a direct replacement
- Many users report codes cleared and quiet operation after installation
- Lower cost alternative compared with higher-priced factory replacement kits
- Quality control is inconsistent across units which can require part swapping
- Some kits may arrive missing guide bolts or have tensioners that need replacement
- Not all supplied components align perfectly with factory timing marks in every case
Verdict A cost-effective full timing chain kit that can fix timing noise and codes when parts fit correctly but requires pre-install inspection and some mechanical confidence.
6. ProXlex Timing Chain Kit for VQ35DD 3.5L (Nissan Pathfinder / Infiniti QX60)
| Compatible engines/vehicles | VQ35DD 3.5L V6 (Infiniti QX60, Nissan Pathfinder) 2017-2024 |
|---|---|
| Included components | Main chain, 2 upper chains, balancer chain, 3 hydraulic tensioners, balancer tensioner, 3 rails, crank gear, oil pump gear |
| Exterior | Machined |
| Brand | ProXlex |
This ProXlex timing chain kit supplies the chains, tensioners, rails, and gears needed to replace the factory timing system on the VQ35DD 3.5L V6. It is intended for engine rebuilds or preventive repairs where the original chains or guides are worn. The kit includes a main chain, upper chains, balancer chain, hydraulic tensioners for multiple positions, rails, crank and oil-pump gears, and a balancer tensioner so you can complete a full timing system job without sourcing separate parts. Components are machined steel and described as meeting factory-spec tolerances, which helps preserve engine timing and oil-pump drive alignment when installed correctly. The practical benefit is a single-purchase solution for a labor-intensive job, reducing downtime and the risk of mismatched parts. Limitations are that installation requires proper tools and mechanical experience and that fitment checks against OEM part numbers are necessary before ordering to ensure exact compatibility with Infiniti Q50 VQ35DD engine variants.
Best for: A practical optimizer looking to replace the entire timing system at once on a VQ35DD-equipped Infiniti Q50, prioritizing a full parts set and straightforward sourcing over piecemeal purchases.
Less Ideal for: Drivers who prefer dealer-installed factory parts or those who want a single-component repair rather than a full timing-system replacement should consider other options.
- Complete kit covers chains, hydraulic tensioners, rails, crank gear and oil pump gear so you do not need multiple orders
- Machined steel components intended to match factory-spec tolerances for reliable timing accuracy
- Includes balancer chain and tensioner for a full service of the VQ35DD timing system
- Requires professional-level installation and timing procedure to avoid engine damage
- Fitment depends on confirming the correct OEM part numbers for the specific VQ35DD variant
Verdict A budget-friendly, full timing-chain replacement kit aimed at owners who want a complete parts set for the VQ35DD 3.5L engine, provided they or their mechanic can handle the installation.
7. A-Premium Engine Timing Chain Kit with VVT Sprockets and Tensioner
| Brand | A-Premium |
|---|---|
| Manufacturer Part Number | APTCK166 |
| Included Components | Chain, 2 VVT sprockets, tensioner, guides, crank sprocket, oiler |
| Vehicle Fitment Notes | Designed for select GM 2.2L and 2.4L 4-cylinder models |
This timing chain kit includes the center timing chain, two VVT sprockets, tensioner, multiple guides, crank sprocket, and an oiler so you can replace the major timing components in a single job. It is intended as a factory-quality replacement for applications that use dual VVT phasers and a wet-timing system and is typically used when the original chain, guides, or phasers show wear or noise. The kit’s complete contents simplify repair by reducing the need to source individual parts, and user reports indicate correct phaser labeling and fitment for the covered engines. However, some buyers have received incorrect or used items and a few reported weak tensioners or wrong pulleys, so careful inspection at installation is advisable. The vendor notes a one-year unlimited-mileage guarantee which helps mitigate risk for a balanced buyer looking for a full kit rather than piecemeal parts.
Best for: Balanced, practical buyers who want a single comprehensive timing kit to complete a full timing-component service with minimal parts sourcing and who prioritize matching factory-style replacement over premium OEM branding.
Less Ideal for: Owners who need parts specifically for an Infiniti Q50 or those who prefer dealer-sourced branded parts should look for kits made and specified for the Q50’s engine and timing system.
- Comprehensive kit includes chain, dual VVT sprockets, tensioner, guides, crank sprocket and oiler to complete the timing job.
- Marketed to factory-spec fitments for affected 2.2L and 2.4L GM 4-cylinder engines, reducing compatibility guesswork.
- Useful for full repairs because correct phaser labeling and matched components eliminate swapping incompatible parts.
- Multiple guides and a crank sprocket included mean fewer additional purchases during a timing-service job.
- Some customers reported receiving incorrect or used parts in rare cases, requiring returns or replacements.
- A few reviews noted tensioner or pulley defects, so components may need inspection before installation.
- Fitment and coverage are for GM 4-cylinder engines and do not apply to Infiniti Q50, so it is not compatible for Q50 repairs.
Verdict A convenient, full replacement timing kit for the covered GM 4-cylinder engines, but it is not suitable for Infiniti Q50 applications and buyers should inspect parts on arrival.
Choosing the Right Infiniti Q50 Timing Chain Kit: Key Factors to Consider
Kit Completeness
A complete timing chain kit should include the chain or chains, tensioners, guides, sprockets if required, and any mounting hardware or seals needed for a proper install. Missing components force additional purchases and complicate repair scheduling.
Completeness matters because the timing system works as an assembly. Replacing just the chain or just the tensioner often leaves weaker components in service that will shorten the life of the new parts. A full kit reduces rework risk and helps ensure consistent wear characteristics across the system.
Component Materials and Construction
The materials used for the chain, guides, and tensioners influence durability under heat and load. Hardened steel chains resist elongation, while polymer or glass-filled guides should resist abrasion and heat-related deformation.
Understanding construction helps set expectations for lifespan and maintenance intervals. Higher-grade materials often cost more up front but can reduce the likelihood of premature stretch, guide failure, or noise that indicates impending problems.
Tensioner Design and Performance
Tensioners maintain proper chain preload and dampen vibration. Designs vary between hydraulic, spring-loaded, or mixed approaches, and the specific design affects responsiveness and service life.
Reliable tensioning prevents slack that can cause skipped teeth or noisy operation. When evaluating kits, consider whether the tensioner design suits the Q50 engine's operating range and whether replacement procedures for the tensioner are straightforward for independent technicians.
Fitment and Compatibility
Exact fitment for the Infiniti Q50 engine variant is critical. Differences in engine displacement, manufacturing year, or accessory configurations can change the required chain length, guide shapes, or tensioner mounting.
Confirming explicit fitment reduces the chance of returns and installation delays. Look for kits that clearly list the compatible Q50 engine codes or model years and provide guidance on identifying the correct application for your vehicle.
Installation Complexity and Documentation
Timing chain replacement can be a multi-hour job requiring engine timing knowledge and sometimes special tools. Kits that include clear instructions, torque specs, and timing marks reduce installation errors and the risk of engine damage.
Consider whether the kit provider supplies diagrams or access to technical resources. If you plan to perform the work yourself, choose a kit with straightforward instructions and complete hardware to avoid mid-job surprises.
Reliability and Long-Term Support
Look for manufacturer support such as warranties, available replacement parts, and documented service intervals. Aftermarket support affects the ease of addressing any post-install issues or obtaining replacement components in the future.
Long-term reliability also ties back to reputation and evidence of durability under real-world use. Kits backed by clear warranty terms and accessible technical support reduce long-term ownership risk and offer peace of mind after installation.
FAQ
How do I know if my Infiniti Q50 timing chain needs replacement?
Common signs include unusual engine noise from the front of the engine, inconsistent idle, or check engine lights related to timing. Symptoms often develop gradually as chains stretch or tensioners wear. A diagnostic check that monitors timing variance or a visual inspection during service can confirm the condition.
Can I replace the timing chain myself or should a professional do it?
Replacing a timing chain is mechanically involved and requires maintaining precise engine timing. Experienced DIYers with proper tools and documentation can perform the job, but many owners opt for professional installation to avoid timing errors. Consider your skill level, available tools, and access to service manuals before deciding.
What components should a quality timing chain kit include?
A quality kit typically includes the timing chain or chains, tensioners, guides, necessary sprockets or link plates if applicable, and any seals or mounting hardware required for the job. Comprehensive kits reduce the risk of encountering missing parts during installation.
How long does a timing chain replacement usually take?
Labor time varies by engine layout and experience, but the job often takes several hours to a full day when done correctly. Time increases if additional components or front-end disassembly is required. Allow adequate time to follow torque specs and timing procedures precisely.
Will replacing the timing chain eliminate timing chain noise?
Replacing worn chains, tensioners, and guides usually reduces or eliminates timing-related noise, especially if the source is component wear. However, persistent noise can come from other sources, so it is helpful to diagnose the root cause before replacing parts.
How important is correct fitment for an Infiniti Q50 timing chain kit?
Correct fitment is essential because misfit parts can lead to improper timing, accelerated wear, or installation difficulty. Always verify that the kit explicitly lists compatibility with your Q50 engine variant and provides guidance for confirming proper application.
How We Chose the Best Infiniti Q50 Timing Chain Kit
We focused on components and fitment that directly affect the longevity and reliability of the Infiniti Q50 timing chain system. Key evaluation criteria included chain and linkplate material quality, completeness of the kit (chains, tensioners, guides, and related hardware), compatibility with Q50 engine variants, and the clarity of installation instructions or supplemental support. We also weighed expected durability under typical driving conditions, manufacturer warranty coverage or stated service intervals, and observed reports of common failure modes such as chain stretch or tensioner wear. Kits were excluded if they did not include essential mounting hardware or if fitment information was vague for Infiniti Q50 applications. We did not consider aftermarket parts that lack specified materials or omit tensioners and guides. The result is a shortlist of kits that prioritize serviceability, correct fitment, and component quality for routine maintenance and reliable engine timing performance.
Our full evaluation process is outlined in our review methodology.
Conclusion
When selecting an Infiniti Q50 timing chain kit, prioritize completeness, correct fitment, and component quality. These factors most directly affect installation ease and how long the timing system will remain reliable under normal driving conditions. Balance material durability with the clarity of installation documentation and available support. Choosing a kit that addresses common failure points such as tensioners and guides will reduce the risk of repeat repairs and help keep your engine running smoothly.
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