Note: This article contains affiliate links. If you click on these links and make a purchase, I may earn a small commission at no extra cost to you. This helps support my research and content. Read my full affiliate disclosure here.
Picking the right oil for an Infiniti G37 matters for engine life, fuel efficiency, and day-to-day drivability. The wrong viscosity or low-quality formulation can increase wear, reduce responsiveness, and lead to more frequent maintenance. This guide presents seven shortlisted options that cover common needs like cold-start protection, high-mileage care, and performance stability. Each pick was selected for specific strengths and is evaluated on criteria that matter to G37 owners. Read on to find the oil profile that best matches how you drive and maintain your vehicle.
Looking for other parts? See all Infiniti G37 parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | Motul 8100 X-clean EFE 5W-30 Full Synthetic Motor Oil (5 L) |  |
| Most Popular A crowd favorite that many people choose with confidence | 4STEED MOTORS Set of 3 Engine Oil Filters 15208-9E01A with Drain Plug Gaskets |  |
| Best Quality Built to a higher standard if you want something more solid | Mercedes-Benz Genuine 5W-40 Full Synthetic Engine Oil (1 qt, pack of 6) |  |
| Best Budget The cheapest option that still gets the job done reliably | KAX Engine Oil Pan for Infiniti G37 (264-566) |  |
| Most Sold A high-volume bestseller chosen again and again | LIQUI MOLY Special Tec AA 5W-30 Fully Synthetic Engine Oil, 5 L |  |
| Best Value for Money The sweet spot between price and what you get | 4STEED MOTORS Set of 3 Genuine OEM 15208-65F0E Engine Oil Filters with 11026-JA00A Drain Plug Gaskets |  |
| Best Overall The best all-around choice for most situations | Liqui Moly Molygen New Generation 5W-30 Fully Synthetic Motor Oil, 5 L |  |
1. Motul 8100 X-clean EFE 5W-30 Full Synthetic Motor Oil (5 L)
| Viscosity | 5W-30 |
|---|---|
| Size | 5 l |
| SAE J300 Viscosity Grade | 5W-30 |
| Flash Point | 100 Degrees Celsius |
Motul 8100 X-clean EFE is a full synthetic 5W-30 engine oil designed to reduce internal friction, support long-drain intervals, and protect emissions after-treatment systems. For an Infiniti G37, it is used as a direct replacement during routine oil changes to improve fuel efficiency and maintain DPF/GPF and catalytic performance where applicable. The formula meets ACEA C2/C3 and API SN and carries several OEM approvals, which translates to stable viscosity at high temperatures, resistance to oxidation, and lower SAPS chemistry that helps preserve emission components. Real-world benefits include smoother idle, improved throttle response, and potentially longer service intervals when paired with proper maintenance. Limitations are that it is a single-viscosity grade (5W-30) so it may not be optimal for owners who prefer a different viscosity recommendation for extreme climates or track use, and long-drain claims depend on following manufacturer service schedules and monitoring oil condition. Overall it is a reliability-oriented synthetic oil that balances engine protection with fuel-economy focus for daily-driven Infiniti G37s.
Best for: A reliability-focused buyer who prioritizes long-term engine protection and emissions-system health in their maintenance decisions for a daily-driven Infiniti G37.
Less Ideal for: Drivers seeking a different viscosity for extreme cold starts or competitive/track tuning should consider oils matched to those specific demands instead.
- 100% synthetic base for strong high-temperature stability and oxidation resistance
- Formulated for fuel economy with friction modifiers that can improve mpg in daily driving
- Low-SAPS chemistry compatible with emissions systems and catalytic after-treatment requirements
- Approvals to ACEA C2/C3 and API SN for wide OEM compatibility
- Available only in 5W-30 viscosity which may not match all climate or performance-specific recommendations
- Long-drain capability depends on monitoring and adherence to service intervals rather than being universally guaranteed
Verdict A reliability-minded synthetic 5W-30 that balances fuel-economy benefits with emissions-system compatibility for the Infiniti G37.
2. 4STEED MOTORS Set of 3 Engine Oil Filters 15208-9E01A with Drain Plug Gaskets
| Material | Aluminum (gaskets) |
|---|---|
| Thread Size | M16 x 1.5 |
| Number of Items | 3 |
| OEM Part Number | 15208-9E01A, 11026-JA00A |
This kit supplies three factory-replacement style oil filters paired with aluminum drain plug gaskets so you can change the filter and drain plug seal at the same time. Designed as a vehicle-specific fit, the filters use a blended media of natural and synthetic fibers aimed at trapping contaminants and protecting engine components between oil changes. Typical use is straightforward: replace the filter whenever you change the engine oil, and install the included crush washers on the drain plug to help ensure a clean seal. The package includes multiple filters which is convenient for owners who do routine maintenance or service more than one vehicle. Practical benefits are OEM-compatible fit, included gaskets to avoid last-minute trips to the parts store, and a performance-grade construction in the filter media. Limitations are that compatibility must be verified against the vehicle part number before purchase and the listing does not include explicit filter micron ratings or flow specifications that some owners check when selecting performance-focused oils and filters.
Best for: Convenience-driven buyers who want a straightforward, factory-style filter and gasket bundle to simplify scheduled oil changes and avoid extra trips for parts.
Less Ideal for: If you prioritize aftermarket high-flow or lab-verified filtration specifications for track use or extended drain intervals, this basic OEM-style bundle is not the best choice.
- Sold as a three-pack for multiple oil changes or spare parts.
- Includes aluminum drain plug gaskets so you can replace the crush washer with the filter change.
- Vehicle-specific design for a direct fit on listed Nissan and Infiniti models.
- Filter media blends natural and synthetic fibers for improved contaminant capture.
- No micron rating or detailed filtration performance data provided.
- Buyer must verify part number fitment for the Infiniti G37 before ordering.
Verdict A convenient three-pack of factory-style oil filters with drain plug gaskets that makes routine oil changes easier for owners who prioritize fit and convenience.
3. Mercedes-Benz Genuine 5W-40 Full Synthetic Engine Oil (1 qt, pack of 6)
| Viscosity | 5W-40 |
|---|---|
| Brand | Mercedes Benz |
| Vehicle Service Type | Car |
| Size | 1 US QT |
This genuine Mercedes-Benz 5W-40 full-synthetic oil is formulated to meet Mercedes-Benz MB 229.5 service requirements and is supplied in 1-quart bottles sold as a six-pack. It is intended for use as a factory-quality replacement lubricant where the manufacturer calls for 5W-40 that meets the specified Mercedes specification. For a performance-oriented Infiniti G37 owner, this oil offers high-temperature stability and a viscosity grade suited to spirited driving and hotter operating conditions compared with lighter grades. Using it as a full oil change restores factory-level protection, helps control deposits, and maintains consistent oil pressure under load. Important limitations include that the product listing centers on Mercedes specifications rather than Infiniti-specific approvals, so you should confirm MB 229.5 compatibility with your G37 engine requirements before switching. Also the pack is bulk-oriented so keeping open quart storage and correct disposal of partially used bottles requires planning.
Best for: Performance-minded drivers who prioritize protection under spirited driving and higher operating temperatures and want a factory-quality full-synthetic oil option to maintain engine performance.
Less Ideal for: Buyers who need a product explicitly approved for Infiniti G37 by the vehicle manufacturer or who only want a single-use bottle with no extra storage or disposal considerations.
- Full synthetic formulation for better high-temperature protection and deposit control
- Sold in multiple 1-quart bottles so you can top up or complete a full service without mixing different lots
- Viscosity 5W-40 matches a common performance-oriented grade for engines that run hot or are driven aggressively
- Pack quantity reduces the need to buy single bottles repeatedly
- Label emphasizes Mercedes specifications rather than Infiniti or Nissan approvals
- Pack size may be excessive if you only need a single oil change and lack storage for opened bottles
Verdict A full-synthetic, performance-focused 5W-40 in OEM Mercedes packaging that can suit a performance-oriented G37 driver if you verify spec compatibility with Infiniti requirements.
4. KAX Engine Oil Pan for Infiniti G37 (264-566)
| Vehicle fitment | Infiniti G37 (V6 3.5L/3.7L VQ35HR VQ37VHR) and listed Nissan/Infiniti models |
|---|---|
| Includes | Engine oil pan with drain plug |
| Manufacturer | KAX |
| Part reference | 264-566 / 11110-JK20C |
This KAX engine oil pan is a direct replacement-style pan intended for Infiniti G37 models that use the VQ35HR or VQ37VHR V6 engines. It functions as the oil reservoir and drain point, comes with a drain plug, and is painted for basic corrosion resistance. Typical use is as a like-for-like repair when the original pan is damaged or leaking; installers remove the old pan, fit a new gasket and sealant, and bolt this pan into place. Notable features include a thickened construction the manufacturer highlights for impact and corrosion resistance plus inspection prior to shipment. Practical benefits are straightforward fitment to the specified Infiniti models, a built-in drain plug to simplify oil changes, and a sturdier alternative to thin aftermarket pans. Limitations to keep in mind are that the gasket is not included so you must source the correct pan gasket and hardware separately, and the painted surface is functional rather than premium corrosion protection used in heavier-duty pans. Buyers doing the work themselves should also confirm part numbers and torque specs before installation.
Best for: Budget-conscious Infiniti G37 owners who need a cost-effective, functional replacement pan and plan to do the installation or have it installed affordably.
Less Ideal for: Those seeking an upgraded heavy-duty or performance oil pan with enhanced cooling, baffling, or factory-level corrosion coatings should consider higher-end aftermarket options instead.
- Direct-fit replacement for Infiniti G37 V6 engines compatible with factory mounting points
- Includes drain plug to simplify oil changes and draining during service
- Manufactured with thicker material for improved durability compared with very thin aftermarket pans
- Painted exterior offers basic corrosion resistance and a finished appearance
- Gasket and mounting bolts are not included so additional parts are required for installation
- Painted coating provides basic protection but is not a heavy-duty corrosion barrier
Verdict A wallet-friendly, direct-fit oil pan for Infiniti G37 owners who want a sturdy replacement but will need to buy the gasket and fasteners separately.
5. LIQUI MOLY Special Tec AA 5W-30 Fully Synthetic Engine Oil, 5 L
| Brand | Liqui Moly |
|---|---|
| Model | 20138 |
| Viscosity | 5W-30 |
LIQUI MOLY Special Tec AA 5W-30 is a fully synthetic motor oil designed for year-round use in modern Asian and American engines. It is typically used as a factory-quality replacement oil in routine maintenance and is sold in 5 liter containers for a full service fill. The formula emphasizes quick oiling, strong wear protection, and engine cleanliness while claiming reduced fuel and oil consumption. In real-world use for an Infiniti G37, it should provide smooth startup, quieter operation, and steady protection on highway runs and daily driving. The product is miscible with common motor oils and is compatible with turbochargers and catalytic converters, so switching to it during scheduled changes is straightforward. Downsides are that the listing does not show specific OEM approvals or Infiniti-specific approvals on the label, so buyers should verify compatibility with the G37 owner's manual or dealer recommendations before use. Also, premium synthetic pricing may be higher than economy oils.
Best for: Risk-averse mainstream buyers who prioritize reliable, factory-quality lubricants and quieter, cleaner engine operation for everyday driving of an Infiniti G37.
Less Ideal for: Drivers strictly following dealer-specified branded oil programs or those who need documented manufacturer approvals for extended warranties should consider alternatives with explicit Infiniti approvals.
- Fully synthetic 5W-30 formulation suitable for year-round use
- Designed to reduce oil and fuel consumption through advanced base oils and additives
- Promotes engine cleanliness and quick oiling for improved wear protection
- Compatible with turbochargers and catalytic converters and mixes with other motor oils
- No specific Infiniti or manufacturer approvals listed on the product detail
- Higher cost compared with conventional or blended oils
Verdict A premium fully synthetic 5W-30 that offers improved engine cleanliness and protection for the Infiniti G37 but check for required manufacturer approvals before using.
6. 4STEED MOTORS Set of 3 Genuine OEM 15208-65F0E Engine Oil Filters with 11026-JA00A Drain Plug Gaskets
| OEM Part Number | 15208-65F0E 11026-JA00A |
|---|---|
| Brand | 4STEED MOTORS |
| Material | Aluminum |
| Product Grade | Performance Part |
| Number of Items | 3 |
This bundle delivers three genuine-style 15208-65F0E engine oil filters paired with three 11026-JA00A aluminum drain plug gaskets for routine oil service. Designed as factory-replacement parts, the filters use a blend of natural and synthetic media to capture contaminants and protect engine components between oil changes, while the aluminum gaskets replace the crush washer at the drain plug to help ensure a proper seal. Typical use is straightforward: swap the old filter during an oil change and replace the drain washer to avoid leaks and ensure correct torque. Notable features include OEM interchange numbers for direct fit and filter media formulated for sustained filtration performance. Practical benefits are correct fitment for engines that use the 15208-65F0E spec, reduced risk of leaks when you install a fresh gasket, and a three-pack that covers multiple services. Limitations are that compatibility must be confirmed for the specific model year and engine of the G37, and packaging has been reported as rough in some deliveries which can risk cosmetic damage to the items in transit.
Best for: A performance-oriented Infiniti G37 owner who prioritizes using factory-spec replacement parts to maintain engine protection and consistent service intervals.
Less Ideal for: Drivers who prefer high-end aftermarket performance filters with specialized media or extended service intervals should consider other options.
- Factory-replacement part number 15208-65F0E for direct fit to compatible engines
- Filter media specified as a natural and synthetic blend for improved contaminant capture
- Includes correctly sized aluminum drain plug gaskets to restore a proper seal at each oil change
- Three-pack covers multiple service intervals so you can change oil more than once before repurchasing
- Compatibility depends on exact G37 model year and engine so you must verify fitment before purchase
- Packaging can arrive damaged which may cause cosmetic defects to parts
Verdict If you want factory-spec filtration and a matched drain gasket for routine service on a compatible Infiniti G37 engine, this three-pack is a convenient, direct-fit option.
7. Liqui Moly Molygen New Generation 5W-30 Fully Synthetic Motor Oil, 5 L
| Viscosity | 5W-30 |
|---|---|
| Brand | Liqui Moly |
| Size | 5 Liter |
| Model | Molygen New Generation SAE 5W-30 |
Liqui Moly Molygen New Generation 5W-30 is a premium full-synthetic motor oil designed to lower friction and protect engine internals under demanding conditions. It uses Liqui Moly’s MFC molecular friction control additive package to resist deposit formation and improve wear protection, which can help keep valve trains and lifters quiet in real-world driving. The 5-liter jug is intended for routine oil changes and longer drain intervals, offering convenience for DIY maintenance. Owners report improved cold oil pressure and smoother idling after swaps, and the oil’s visible green tint and integrated pour spout make handling straightforward. Limitations to consider: it is a specialty formulation that may cost more than mainstream oils, and some users question whether every engine will see measurable fuel-economy gains. For the Infiniti G37, ensure the vehicle’s manufacturer viscosity and spec recommendations accept a 5W-30 before switching, since compatibility with the G37’s engine chemistry and warranty expectations matters for long-term use.
Best for: Balanced owners who prioritize long-term engine protection and quieter operation while accepting a modest premium for a higher‑end synthetic oil.
Less Ideal for: Buyers strictly chasing the lowest upfront cost or those whose vehicle maintenance schedule requires a different viscosity or factory-specified oil formulation for the Infiniti G37.
- Full synthetic formula with molecular friction control to reduce wear and friction.
- Formulated to resist deposits, supporting cleaner internals and quieter valve train operation.
- 5 liter jug with integrated pour spout simplifies DIY oil changes and top-offs.
- Higher-cost specialty oil compared with standard mainstream 5W-30 options.
- Not all users will see measurable fuel economy improvements or identical benefits across every engine.
Verdict A higher-end 5W-30 synthetic that emphasizes wear protection and low friction, a solid choice for G37 owners seeking long-term engine care rather than the cheapest option.
Choosing the Right Infiniti G37 Engine Oil: Key Factors to Consider
Viscosity and Climate
Viscosity determines how the oil flows at different temperatures and is a primary factor in protecting internal parts during cold starts and at operating temperature. Choose a grade that provides adequate cold-start flow without being too thin at operating temperature. In colder climates, a lower cold-viscosity rating helps protect against wear during startup. In hotter climates or when the engine is regularly stressed, a higher hot-viscosity rating preserves film strength and reduces metal-to-metal contact. Using the correct viscosity reduces oil consumption and helps maintain consistent oil pressure, both of which affect long-term engine health.
Additive Package and Wear Protection
The additive package determines how well the oil resists friction, oxidation, and the breakdown that leads to deposits. Detergents and dispersants keep combustion byproducts suspended and out of critical clearances. Anti-wear agents and friction modifiers protect bearings, cam lobes, and other high-stress surfaces under load. Oxidation inhibitors and anti-corrosion additives extend oil life and maintain performance over longer drain intervals. For engines with higher mileage, look for formulations that prioritize wear protection and deposit control to preserve compression and responsiveness.
Synthetic Versus Conventional Base Stocks
Fully synthetic oils generally offer more uniform molecules, better high-temperature stability, and improved low-temperature flow compared with conventional oils. This can translate to crisper cold starts, stronger film retention during sustained high loads, and longer intervals between oil breakdown. Synthetic blends can be a middle ground, offering some performance benefits at a lower cost. Conventional oils may be adequate for low-stress driving in mild climates but are usually outperformed by synthetics in protection and thermal stability. Consider driving style and service interval preferences when choosing base stock type.
Compatibility With High Mileage Engines
Older engines can develop increased clearances, leaky seals, and higher oil consumption. High-mileage formulations often include seal conditioners and viscosity modifiers to reduce leaks and maintain oil pressure. These oils may also prioritize deposit control and anti-wear additives to protect worn components. If your Infiniti G37 has significant mileage, selecting an oil designed for that condition can reduce smoke, preserve compression, and limit further deterioration of seals. However, monitor for any change in leaks or consumption after switching formulations.
Manufacturer Specifications and Industry Approvals
Always verify that the oil meets the relevant industry and manufacturer specifications for the vehicle. These approvals indicate the oil has passed tests for performance characteristics like wear, sludge resistance, and volatility. Using oil that aligns with specified standards helps maintain engine reliability and ensures compatibility with engine materials. If you plan to follow extended drain intervals, look for oils that specifically list performance against tests relevant to longevity and thermal stability. Failure to meet specified standards can increase risk of premature wear.
Service Interval and Oil Longevity
Consider how often you are willing or able to change the oil. Some formulations are designed for longer drain intervals and maintain protective properties over extended use. Longer-lasting oils can lower maintenance frequency but may require using oils with stronger additive packages and base stocks that resist oxidation. Shorter intervals with conventional oil can also be a valid strategy, especially if you prefer frequent maintenance checks. Your choice should balance convenience, local driving conditions, and how the vehicle is used on a daily basis.
FAQ
How often should I perform an engine oil change on an Infiniti G37?
Frequency depends on the oil type and driving conditions. Many drivers follow manufacturer service intervals when using recommended oils, while severe driving or frequent short trips often justify more frequent changes. If you use a high-stability synthetic and do mainly highway driving, longer intervals are common, but monitor oil level and condition regularly.
Can I switch between different viscosity grades in my Infiniti G37?
You can change viscosity grades if the new grade still falls within the vehicle's acceptable range for your climate and operating conditions. Switching can affect cold-start protection and oil pressure, so avoid changing grades without considering temperature and load patterns. Consult specifications and adjust maintenance practices if you switch to a markedly different viscosity.
Is synthetic motor oil necessary for an Infiniti G37?
Synthetic oil often provides better thermal stability and flow characteristics, which can benefit performance and longevity, especially under high-stress driving. That said, the necessity depends on driving style, local climate, and maintenance preferences. Many owners choose synthetic for its protective benefits, but conventional oil can suffice with more frequent changes in mild use cases.
What oil viscosity is best for cold-weather starting in the G37?
A lower cold-viscosity grade improves flow during startup and reduces wear from low-temperature starts. The ideal choice depends on local winter temperatures and the engine's tolerance. Selecting an oil with good cold-flow properties helps reduce startup wear and improves immediate oil circulation.
Should I use a dedicated high mileage engine oil in an older Infiniti G37?
High-mileage formulations can help by including seal conditioners and additives targeting deposit control and wear. These features often mitigate leaks and oil consumption in older engines. The decision usually depends on observed symptoms like increased consumption, smoke, or minor leaks; if present, a high-mileage oil can be beneficial.
How We Chose the Best Infiniti G37 Engine Oil
We focused on oils that meet the service requirements and operating conditions typical of the Infiniti G37. Key evaluation criteria included viscosity range and cold-start performance, long-term wear protection and additive chemistry, compatibility with seals and gaskets for vehicles of varying mileage, thermal stability under sustained higher RPMs, and manufacturer or industry performance specifications relevant to this engine type. We also considered oil longevity between changes and whether the formulation supports modern emissions and PCV systems. Products were excluded if they lacked appropriate viscosity grades for common climates, did not meet automotive industry specifications, or lacked clear data on wear or thermal performance. The resulting shortlist emphasizes oils that balance protection, drivability, and maintenance intervals for the Infiniti G37.
Our full evaluation process is outlined in our review methodology.
Conclusion
Choosing the right oil for an Infiniti G37 comes down to matching viscosity to your climate, prioritizing additive chemistry for wear protection, and deciding between synthetic longevity and conventional maintenance frequency. Consider engine age and driving patterns when weighing seal conditioners and longer drain formulations. Prioritize the specifications and performance dimensions that align with how you use the car to get the best balance of protection and reliability.
Explore More:
- Check out all Infiniti G37 parts & accessories
- Explore Fluids & Chemicals
- Browse all Accessories
