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.
If you own an Infiniti FX35, the transmission pan is a small component that has a big impact on reliability and serviceability. Choosing the right transmission pan can reduce leak risk, make fluid maintenance faster, and help preserve transmission internals over time. This guide presents seven shortlisted options chosen for their fit, sealing features, and service-friendly design. Below we summarize the criteria used to evaluate candidates and highlight the features that matter most when replacing or upgrading your Infiniti FX35 transmission pan.
Looking for other parts? See all Infiniti FX35 parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | Dorman Transmission Oil Pan with Drain Plug (Model 265-830) |  |
| Most Popular A crowd favorite that many people choose with confidence | Dorman Transmission Oil Pan with Drain Plug, Filter and Gasket (Model 265-839) |  |
| Best Quality Built to a higher standard if you want something more solid | Dorman Transmission Pan with Drain Plug and Replaceable Filter (Model 265-850) |  |
| Best Budget The cheapest option that still gets the job done reliably | GM Genuine Parts Automatic Transmission Oil Pan |  |
| Most Sold A high-volume bestseller chosen again and again | Marketplace Auto Parts Automatic Transmission Pan for Infiniti G35 (2003–2008) |  |
| Best Value for Money The sweet spot between price and what you get | Dorman Transmission Oil Pan 265-818 |  |
| Best Overall The best all-around choice for most situations | Dorman 265-582 Transmission Oil Pan with Drain Plug |  |
1. Dorman Transmission Oil Pan with Drain Plug (Model 265-830)
| Capacity | 12 Quarts |
|---|---|
| Material | Steel |
| Manufacturer Part Number | 265-830 |
| OEM Part Number | 103370; SK265830; BC3Z7A194B; BC3Z7A194C; BC3Z7A194D |
This Dorman transmission oil pan is a direct replacement intended to match the original pan's fit and function while adding a service-friendly drain plug. It is made from stamped steel and finished in a dark coating to resist corrosion; the drain plug and supplied copper washer let you change transmission fluid without removing the pan. Typical use is as a factory-quality replacement during a pan repair or transmission service, especially when the original pan is damaged or leaking. Installers report it accepts the factory gasket and bolts up without modification when fitment matches. The pan has been try-on tested for fit and benefits owners who want leak-free service and simpler drain-and-refill maintenance. Limitations include that it does not include a magnet designed to capture metal debris and buyers should confirm vehicle compatibility before ordering. Also the finished surface is not a painted finish and may show wear differently than factory parts.
Best for: Reliability-focused buyers who prioritize straightforward, maintenance-friendly repairs and want a durable replacement that reduces labor for future transmission fluid changes.
Less Ideal for: Buyers seeking an OEM-identical cosmetic finish or a pan that includes a built-in magnetic debris catcher should consider other options.
- Direct-fit replacement intended to match factory fit and bolt pattern
- Integrated drain plug with copper washer simplifies fluid changes
- Stamped steel construction for durable, leak-resistant service
- Try-on tested to improve chance of correct fit
- No dedicated magnetic insert provided to catch metal particles
- Finish is a dark coating rather than a painted factory-style finish
Verdict A practical, service-friendly steel replacement pan with a drain plug that simplifies transmission maintenance for owners focused on long-term reliability.
2. Dorman Transmission Oil Pan with Drain Plug, Filter and Gasket (Model 265-839)
| Material | Steel |
|---|---|
| Finish | E-coat |
| Includes | Filter assembly, gasket, integrated magnet |
| Manufacturer Part Number | 265-839 |
This Dorman transmission oil pan replaces a factory pan and is designed to make transmission service cleaner and faster by adding an integrated drain plug so fluid can be removed before the pan is loosened. It is a stamped steel pan with an E-coat finish for corrosion resistance and ships with a filter assembly, gasket and magnet to capture stray metal debris. In everyday use the drain plug removes the need to catch seven liters of fluid while lowering the pan, and reviewers report good fit and solid construction. Important practical limits are fitment and gasket sealing—some users needed a different gasket or to verify fit before installation—and the pan’s stamped construction can differ slightly from the original depth which may affect filter position on some transmissions. If you plan to service your FX35 transmission at home or want a cost-effective replacement that reduces mess and includes most needed parts, this pan is a useful upgrade; confirm fitment for the FX35’s transmission variant before installing.
Best for: Convenience-driven buyers who want an easier, cleaner transmission service and prefer a ready-to-install replacement that reduces shop time and mess.
Less Ideal for: Owners seeking an exact factory match for every transmission variant or those who need a different pan profile for aftermarket performance modifications should consider alternatives.
- Integrated drain plug lets you drain fluid before removing the pan for cleaner, faster service.
- Includes filter assembly, magnet and gasket for a near-complete repair package.
- E-coat finish improves corrosion resistance compared with bare steel replacement pans.
- Stamped steel construction provides a sturdy, straight gasket surface for reliable sealing.
- May require verifying or replacing the supplied gasket to ensure a leak-free seal on some vehicles.
- Depth and internal geometry can differ from factory pans and may affect filter pickup location in certain transmission variants.
Verdict A practical, service-focused replacement pan that makes draining and servicing the transmission much cleaner, provided you confirm fitment for the FX35's transmission type.
3. Dorman Transmission Pan with Drain Plug and Replaceable Filter (Model 265-850)
| Material | Plastic |
|---|---|
| Model | 265-850 Automatic Transmission Oil Pan |
| Item Form | Liquid |
| Recommended Uses For Product | Automotive |
This Dorman transmission pan replaces the factory pan with a service-friendly design that includes a built-in drain plug and a replaceable 265-850F filter kit. For an Infiniti FX35, the pan lets you drain transmission fluid before removing the pan, reducing spills and cleanup during routine service. The replaceable filter and included gasket and bolts mean future maintenance can be limited to swapping a filter instead of replacing the whole pan, which lowers recurring service cost. Dorman says the pan is built to withstand impacts and resist leaks and many installers report a good fit when following proper bolt torque sequence. Expect some careful maneuvering during removal and installation in tight spaces around the crossmember or exhaust; some users found slight alignment adjustments necessary to clear nearby pipes. A few isolated reports note compatibility or filter-related issues, so professional inspection after install is recommended if you notice abnormal transmission behavior.
Best for: Performance-oriented owners who prioritize a serviceable, upgrade-style part that reduces maintenance time and cost and who plan to perform regular transmission service on their Infiniti FX35.
Less Ideal for: Owners who prefer strictly factory-original components or who are uncomfortable with potential fitment fiddling and in-vehicle adjustments should consider sticking with a direct factory-quality replacement.
- Integrated drain plug reduces fluid spills and lets you drain fluid before dropping the pan
- Replaceable filter design allows cheaper, quicker service intervals without replacing the entire pan
- Includes new gasket and mounting screws for a complete install
- Designed with multiple internal magnets to capture metal debris and help protect the transmission
- May require careful clearance of exhaust or crossmember during removal and installation
- Bolt hole alignment can be slightly off on some units requiring minor adjustment during install
- A small number of users reported post-install transmission issues that required reverting to a factory part
Verdict Adds a serviceable drain plug and replaceable filter to the FX35 transmission pan for easier, lower-cost maintenance, but expect some careful fitting in tight undercar areas.
4. GM Genuine Parts Automatic Transmission Oil Pan
| Brand | GM GENUINE PARTS |
|---|---|
| Material | Metal |
| Manufacturer | ACDelco |
| Item Form | Oil |
This GM Genuine Parts transmission oil pan is a factory-quality replacement intended to restore the transmission pan on compatible vehicles. It is used when the factory pan is damaged, leaking, or during a transmission service where the pan is removed and replaced. The pan is manufactured to GM specifications, so buyers can expect close fitment and the same mounting locations as the original part. Practical benefits include a heavy-duty metal construction that resists deformation, proper sealing surface for a reliable gasket fit, and straightforward installation using existing hardware. Because this is a direct replacement from a GM parts line, it is focused on fit and durability rather than added features like magnetic drains or extra baffling. Buyers should confirm vehicle compatibility for the Infiniti FX35 before ordering since the part is listed as a GM Genuine Parts item and was designed for GM applications; compatibility is the primary limitation for non-GM vehicles. If the pan matches the FX35 specification, it provides a cost-effective way to return the transmission to factory-standard fit and function.
Best for: Budget-conscious buyers who prioritize restoring factory-style fit and reliability without paying for premium aftermarket features.
Less Ideal for: Owners seeking pans with added features such as integrated magnetic drains, deeper oil capacity, or vehicle-specific aftermarket upgrades should look elsewhere.
- Factory-quality manufacturing for consistent fit and sealing
- Durable metal construction reduces risk of bending or damage
- Designed to meet original equipment fit, form, and function
- Part is manufactured for GM vehicles so compatibility with the Infiniti FX35 is not guaranteed and must be verified
Verdict A no-frills, factory-quality replacement pan that saves money if it is confirmed compatible with the FX35.
5. Marketplace Auto Parts Automatic Transmission Pan for Infiniti G35 (2003–2008)
| Compatible Models | 2003 – 2008 Infiniti G35 |
|---|---|
| Brand | Marketplace Auto Parts |
| Item model number | W0111-N568478 |
| Manufacturer Part Number | W0111-N568478 |
This transmission pan is a straightforward aftermarket replacement intended to restore a damaged or leaking pan to factory-style function. It installs in place of the original pan and is used when repairing leaks, replacing a corroded pan, or during transmission servicing when the fluid and filter are changed. The listing emphasizes fitment for 2003–2008 Infiniti G35, so when used on a matching vehicle it provides the expected bolt pattern and drain access for routine maintenance. Buyers will appreciate the simple, service-oriented design that makes fluid changes and gasket replacement easy. Because this is an aftermarket part from Marketplace Auto Parts, finish and long-term corrosion resistance can vary versus higher-end OEM replacements, and buyers should verify exact fit for any vehicle variant before installing. This pan is best treated as a cost-effective, serviceable replacement rather than an upgraded performance component.
Best for: Practical, risk-averse buyers who prioritize restoring reliable serviceability with a budget-conscious, factory-style replacement and prefer parts that let them perform routine maintenance without modification.
Less Ideal for: Drivers seeking a performance or heavy-duty transmission pan upgrade, or those who prefer guaranteed factory-brand parts and documented long-term corrosion warranties.
- Direct-fit replacement for the listed Infiniti model years so bolt pattern and mounting align with factory locations
- Simplifies transmission servicing by restoring proper pan sealing and providing standard drain access
- From a specialist aftermarket brand aimed at replacement parts, making it easier to source than OEM-only items
- Not marketed as an upgraded or heavy-duty pan so long-term corrosion resistance and rigidity may be lower than premium alternatives
- Fitment is listed for Infiniti G35 models, not explicitly for Infiniti FX35 despite the article focus so compatibility must be confirmed before purchase
Verdict A cost-conscious, direct-fit aftermarket transmission pan that restores serviceability for the listed Infiniti fitment but should be checked for compatibility with FX35 applications before buying.
6. Dorman Transmission Oil Pan 265-818
| Material | Steel |
|---|---|
| Manufacturer | Dorman Products |
| Model | 265-818 |
| Recommended Uses For Product | Transmission Lubrication |
This Dorman transmission oil pan is a direct replacement designed to restore the transmission fluid containment and add a drain plug for easier servicing. It installs like a factory-quality pan and is typically used when the original pan is dented, corroded, or leaking. Notable features include stamped steel construction, a machined exterior, and an installed drain plug so you do not have to remove the entire pan to change fluid. In practice the pan fits consistently when matched to the correct transmission variant and many installers report a solid mating surface with no leaks when proper gasket or sealant and correct torque are used. Common limitations are a nonmagnetic interior with no factory magnet included and occasional reports of the supplied drain plug needing a better washer or replacement to stop leaks. For a practical owner wanting a robust, serviceable replacement that closely matches factory fit, this pan delivers good value, though you may want to transfer the old magnet or swap the drain plug hardware during installation.
Best for: Practical optimizers who prioritize a durable, service-friendly replacement that restores factory fit and simplifies routine transmission maintenance.
Less Ideal for: Those seeking a pan with built-in magnetic debris capture or an upgraded performance pan with cooling fins should consider alternatives.
- Stamped steel construction provides a thicker, more durable replacement than many cheap aftermarket pans
- Includes a drain plug to simplify fluid changes without removing the pan
- Engineered as a direct-fit replacement for the matching transmission, easing installation
- Machined exterior and finish reduce the need for immediate corrosion treatment
- No internal magnet provided to capture metal debris
- Some units required replacing the drain plug washer or bolt to stop minor leaks
Verdict A sturdy, service-focused replacement pan that gives the most value for owners who need a reliable, factory-style fix but may want to swap the drain plug hardware or add a magnet.
7. Dorman 265-582 Transmission Oil Pan with Drain Plug
| Brand | Dorman |
|---|---|
| Model | 265-582 |
| Manufacturer Part Number | 265-582 |
| OEM Part Number | 24222657; 24224781; 24236933; 29535617 |
This Dorman transmission oil pan is a factory-replacement style pan that adds a built-in drain plug to make routine transmission fluid changes neater and faster. It is intended to install in place of the original pan and is typically used when a leaking or damaged pan needs replacement or when an owner wants easier drain-and-fill service without dropping the pan. Notable features include a service drain plug, vehicle try-on testing, and corrosion-tested construction aimed at durability. In real-world use the drain plug lets you perform a controlled drain on the vehicle rather than lowering a fluid-filled pan, which reduces mess and saves time. Installation requires removing the old pan and gasket and torquing the bolts to spec, and some vehicles may still require partial removal of nearby heat shields or components for access. The pan is a practical upgrade for owners who want cleaner maintenance, but it does not eliminate the need for correct fit verification and proper sealing during installation.
Best for: Balanced owners who prioritize a practical, long-term maintenance improvement and prefer parts that make regular service faster and cleaner.
Less Ideal for: Drivers looking for a one-time quick fix who will not perform future maintenance themselves or owners who need a complete transmission overhaul including internal parts should consider other solutions.
- Integrated drain plug for controlled, mess-free fluid changes
- Manufactured to match factory fit and function for direct replacement
- Salt-spray and vehicle try-on testing to help resist corrosion and ensure fit
- Includes a premium-style gasket to help achieve a proper seal on installation
- Still requires dropping or loosening the pan for full filter replacement or major service
- Installation can be awkward on vehicles with limited access around the pan
- Does not replace internal transmission components or filters
Verdict Adds a factory-style drain plug to simplify transmission fluid maintenance while keeping a direct-fit replacement design.
Choosing the Right Infiniti FX35 Transmission Pan: Key Factors to Consider
Fit and Bolt Pattern Accuracy
Proper fit is the foundation of any transmission pan replacement. A pan that matches the factory bolt pattern and flange profile reduces the chance of uneven sealing and stress on bolts.
Misaligned holes or an incorrect flange can create gaps that lead to leaks or require shimming and rework. Always prioritize pans that specify exact fit for the Infiniti FX35 and that include clear installation guidance to avoid compatibility problems.
Material and Corrosion Resistance
Transmission pans are commonly made from stamped steel, aluminum, or composite materials, and each choice affects longevity. Corrosion resistance matters because road salt and moisture accelerate degradation; a resistant material helps maintain sealing surfaces and appearance over time.
Consider coatings, anodizing, or stainless hardware as features that extend service life. A pan that resists denting and corrosion will better preserve gasket contact and reduce the need for future replacements.
Sealing Design and Gasket Compatibility
A good sealing surface and compatible gasket are essential to prevent transmission fluid leaks. Look for pans with machined or well-formed flanges that allow gaskets to seat evenly and retain consistent clamping force from the bolts.
Some pans include removable or integrated gaskets, while others require a separate gasket. Consider whether the design uses a full-surface gasket, an O-ring, or RTV and how that affects long-term sealing and ease of replacement.
Serviceability and Drain Provisions
Pans that include a drain plug or quick-service provisions significantly reduce the time and mess when changing fluid. A drain plug lets you remove old fluid without dropping the pan, which simplifies routine maintenance.
If a pan lacks a drain, draining requires removing the entire pan and can be heavier and messier. Evaluate whether the pan design supports easy filter access and simple cleaning during service, since that affects how often you will need to remove and reinstall the pan.
Structural Strength and Impact Resistance
The pan provides some mechanical protection for the transmission underside. A stronger pan resists dents from road debris and uneven surfaces, which helps maintain a flat sealing surface and protects internal components.
Stiffer designs reduce the risk of bending at the flange and help keep the gasket clamp load consistent. Consider pans with reinforced ribs, thicker material, or structural geometry that resists deformation while still allowing proper fitment.
Hardware and Installation Details
Included hardware and comprehensive installation instructions simplify fitment and reduce installation errors. Proper bolt length, torque specifications, and the presence of quality bolts or washers affect sealing and longevity.
Verify whether the pan comes with the correct fasteners and whether the manufacturer provides recommended torque values for reinstalling the pan. Clear guidance on recommended bolt sequences and torque helps avoid uneven clamping and potential leaks.
FAQ
How do I know when the Infiniti FX35 transmission pan needs replacement?
Signs include visible fluid under the vehicle near the transmission, continual low fluid level despite topping up, or significant dents and corrosion on the pan. If the pan flange is warped or the sealing surface is pitted, replacement is often the safest option. Small serviceable issues such as a degraded gasket can sometimes be addressed without replacing the entire pan.
Can I replace the Infiniti FX35 transmission pan myself?
Many people can complete a pan replacement with basic tools and a vehicle lift or jack and stands. The job typically involves draining fluid, removing bolts in a controlled pattern, cleaning mating surfaces, and reinstalling with proper torque. If you are unsure about torque specs or sealing procedures, consult a repair manual or a professional to avoid leaks or damage.
Is a drain plug important for an Infiniti FX35 transmission pan?
A drain plug makes routine fluid changes much cleaner and faster because you can remove fluid without dropping the pan. While not strictly required, a drain provision reduces mess and the likelihood of contaminant ingress during service. Consider a pan with a drain plug if you plan to perform recurring transmission maintenance yourself.
What gasket type is best for sealing the transmission pan?
Both molded rubber gaskets and high-quality paper or cork-style gaskets can work well if the mating surfaces are flat and clean. Some installations use RTV in corners or as an additional sealant. The best choice depends on the pan flange design and whether the gasket is intended as a primary seal or a secondary aid to RTV.
Will an upgraded pan affect transmission cooling?
Some aftermarket pans increase fluid capacity or add fins to aid cooling, which can slightly reduce operating temperature under load. The effect varies by design and vehicle usage. If cooling is a priority, look for pans that explicitly mention increased capacity or thermal features and verify fitment for the Infiniti FX35.
How important are torque specs when reinstalling the transmission pan?
Torque specs are important to ensure an even clamp load across the gasket and to avoid stripping threads or warping the flange. Uneven or overly tight bolts can cause leaks or damage. Use the recommended torque values and follow a crisscross tightening sequence to achieve a consistent seal.
How We Chose the Best Infiniti FX35 Transmission Pan
We focused on items that specifically fit the Infiniti FX35 and prioritized features that affect daily ownership and long-term reliability. Primary evaluation criteria included material and corrosion resistance, sealing and gasket seating, drain or service provisions, and accurate bolt pattern fitment. We also assessed manufacturability quality such as flange flatness and thread engagement, and the presence of service-oriented features that reduce maintenance time. We excluded pans that did not match the factory bolt pattern, pans lacking clear sealing provisions, and units with unknown material or manufacturing origins. We also filtered out options without verifiable mounting hole alignment or those that would require permanent modification to the vehicle. The final list contains pans that balance durability, leak prevention, and serviceability for the Infiniti FX35.
Our full evaluation process is outlined in our review methodology.
Conclusion
When selecting a transmission pan for the Infiniti FX35, prioritize correct fit and a reliable sealing design first. Material durability, serviceability features such as a drain plug, and sturdy construction are secondary priorities that improve long-term ownership. Balance the tradeoffs between ease of maintenance and structural protection. Pay attention to included hardware and installation guidance to ensure a leak-free installation and straightforward future servicing.
Explore More:
- Check out all Infiniti FX35 parts & accessories
- Explore Transmission & Drivetrain
- Browse all Auto Parts
