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Choosing the right transmission pan for your Pontiac G6 matters because it affects fluid containment, serviceability, and long-term transmission health. A good pan improves sealing, simplifies fluid changes, and can reduce the risk of leaks that lead to costly repairs. This guide presents the top shortlisted transmission pans for the Pontiac G6, selected for their fitment, durability, and service features. Below you will find a concise look at each top pick and the key criteria we used to evaluate them, including sealing reliability and ease of draining during maintenance.
Looking for other parts? See all Pontiac G6 parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | Speedway Motors Black Steel GM TH-350 Transmission Pan with Drain Plug |  |
| Most Popular A crowd favorite that many people choose with confidence | Dorman Transmission Oil Pan with Drain Plug and Filter Assembly |  |
| Best Quality Built to a higher standard if you want something more solid | Dorman 265-582 Transmission Oil Pan with Drain Plug |  |
| Best Budget The cheapest option that still gets the job done reliably | PHILTOP Transmission Oil Pan with Drain Plug (265814) |  |
| Most Sold A high-volume bestseller chosen again and again | ATP JG-142 Reusable Transmission Oil Pan Gasket |  |
| Best Value for Money The sweet spot between price and what you get | CFR Performance Steel Finned Transmission Pan for Chevy/GM 700R4/4L60E/4L65E |  |
| Best Overall The best all-around choice for most situations | A-Premium Transmission Oil Pan Kit with Built-in Filter and Gasket |  |
1. Speedway Motors Black Steel GM TH-350 Transmission Pan with Drain Plug
| Compatibility | GM TH-350 |
|---|---|
| Depth | 2" |
| Material Type | Steel |
| Drain Plug | Yes |
| Finish | Painted |
This Speedway Motors TH-350 transmission pan is a straightforward, factory-style replacement designed to match the stock 2-inch depth and mounting pattern of GM TH-350 transmissions. It is typically used when repairing leaks, replacing a damaged pan, or adding a convenient drain on older transmissions. The pan is stamped steel with a painted black finish and includes a pre-installed drain plug, which makes fluid changes less messy compared with pans that require loosening bolts to drain. Buyers report a solid build and a good fit to the stock flange, and the stamped GM 350 detail gives a factory look under the vehicle. The pan does not include a gasket, bolts, or a filter, so plan to reuse or replace those separately during installation. Also it lacks sensor bungs or pickup tube extensions, so it is best for restorations and routine maintenance rather than modified transmissions that need extra clearance or integrated sensors.
Best for: Reliability-focused DIYers and restorers who prioritize a solid, factory-style replacement that seals well and simplifies maintenance on a stock-style transmission.
Less Ideal for: Owners planning performance modifications, added sensors, or nonstandard pickup arrangements should consider pans with bungs or extended pickup provisions instead.
- Factory-style 2-inch depth fits TH-350 transmissions for reliable clearance and capacity
- Durable stamped steel construction and black painted finish resist road debris and corrosion
- Pre-installed drain plug simplifies fluid changes and reduces mess
- Stamped GM 350 logo provides an authentic factory appearance
- Does not include a gasket, bolts, filter, or pickup tube, requiring additional purchases for full installation
- No sensor bung or filter extension options for modified or sensor-equipped setups
Verdict A dependable, factory-style steel replacement pan with a drain plug that suits reliability-focused maintenance on TH-350 transmissions.
2. Dorman Transmission Oil Pan with Drain Plug and Filter Assembly
| Material | Steel |
|---|---|
| Bolt Pattern (Number of Holes) | 16 |
| Position | Center |
| Includes | Filter assembly, gasket, integrated magnet |
This Dorman transmission oil pan replaces a factory-style pan on compatible GM vehicles and is intended to simplify routine service. It functions like a stock pan but adds a threaded drain plug so you can drain transmission fluid before lowering the pan, reducing spills and cleanup. The kit includes a filter assembly, gasket and an integrated magnet so you can complete a filter-and-pan service in one job. Constructed from steel with an E-coat finish, the pan resists corrosion and road debris better than uncoated replacements. In practice you may still need to move or remove nearby brackets or the dipstick stop on some engines to clear the pan during removal, and a few installers prefer swapping the drain washer to prevent leaks. Fitment reports vary by year and submodel, so double-check fit notes for your Pontiac G6 before buying. For owners who want an easier, less messy fluid change, this pan speeds the job and provides a durable factory-replacement style solution.
Best for: Convenience-driven DIY owners who prioritize cleaner, faster transmission service and want a near-factory replacement that reduces fluid spills during filter changes.
Less Ideal for: Buyers seeking a guaranteed plug-and-play upgrade without any modification should be cautious; those who expect exact fitment across every year and submodel may prefer consulting a professional or factory parts.
- Integrated drain plug lets you remove most fluid before dropping the pan to avoid large spills.
- Includes filter assembly, gasket and magnet for a single-stop service job.
- E-coat finish improves corrosion resistance compared with bare steel pans.
- Fits the factory bolt pattern and provides a heavy duty, replacement-style construction.
- May require removing or repositioning nearby brackets or dipstick stops for installation on some vehicles.
- Some users swap the included crush washer for a higher quality washer to avoid leaks.
Verdict Adds a service-friendly drain plug and complete filter kit to a durable steel pan so transmission maintenance is cleaner and faster, but verify fit for your Pontiac G6 before ordering.
3. 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 replaces the factory pan while adding a built-in drain plug so you can drain fluid without dropping the entire pan. It is intended as a direct-fit aftermarket replacement that matches the original pan’s mounting pattern and is tested for fit and corrosion resistance. Typical use is as a service-upgrade or repair part when the original pan leaks or when owners want to perform drain-and-fill maintenance more often without the mess of removing the pan. The drain plug significantly reduces fluid spills and saves time during routine service, and the included gasket appears to be a factory-quality rubber type for a secure seal. Installation can be awkward on some vehicles because of tight clearances and heat shields, so expect an intermediate-level job and follow torque specs to avoid leaks. If you need a pan that preserves factory fit while making maintenance easier, this pan delivers that practicality with reliable construction.
Best for: Performance-oriented owners who prioritize regular transmission maintenance and want a practical upgrade that makes fluid changes quicker and cleaner.
Less Ideal for: Buyers looking for a universal or multi-vehicle solution or those unwilling to perform intermediate-level underbody work should consider professional installation or alternative service options.
- Integrated drain plug lets you perform drain-and-fill service without removing the pan
- Designed to match factory mounting and tested for fit and salt-spray resistance
- Includes a premium rubber gasket for a reliable seal
- Durable construction intended to resist impacts and leaks over time
- Removal and installation can be difficult in tight underbody spaces and may require removing heat shields or exhaust components
- Does not include vehicle-specific fit confirmation beyond a general vehicle compatibility list
Verdict A factory-fit replacement pan that adds a drain plug for cleaner, more frequent transmission servicing, best for owners willing to do intermediate underbody work.
4. PHILTOP Transmission Oil Pan with Drain Plug (265814)
| Manufacturer | PHILTOP |
|---|---|
| Model | Transmission oil pan |
| Item model number | 265814 |
| Exterior | Machined |
This PHILTOP transmission oil pan is a straightforward replacement part intended to restore the transmission fluid containment on compatible GM models. It installs in place of the original pan and includes a drain plug so fluid changes are easier without removing the entire pan. The listing emphasizes precision machining and heavy-duty material for a factory-quality sealing surface and resistance to corrosion and heat, which helps reduce the risk of leaks when mounted correctly. Buyers should note the pan does not include a gasket or internal filter/magnet, so you will need to reuse or buy a replacement gasket and consider adding a magnet if you want metal-particle capture. Fitment checks are essential because some later or region-specific G6 variants use a different pan depth or sump shape. For someone replacing a damaged or leaking pan on a matching Pontiac G6, this offers a low-cost, durable option, but plan to supply the gasket and verify the exact transmission variant before installation.
Best for: Cost-conscious DIYers and independent shops seeking an inexpensive, serviceable transmission pan replacement for a Pontiac G6 who prioritize keeping repair costs low.
Less Ideal for: Those who want a fully turnkey pan replacement with included gasket, internal magnet, or who cannot confirm their vehicle’s exact transmission variant should consider a different option or buying the missing parts separately.
- Includes a threaded drain plug for easier fluid changes without full pan removal
- Machined exterior and heavy-duty construction aimed at tight sealing and corrosion resistance
- Compatible with many GM transmission references matching common Pontiac G6 transmissions
- Low-cost alternative to factory replacement for budget-focused repairs
- Gasket is not included so a separate gasket purchase or reuse of the old one is required
- No internal magnet or filter feature to capture metal debris
- Fitment varies by year and transmission variant so verification is required before purchase
Verdict A practical, low-cost replacement pan for matching Pontiac G6 transmissions that saves money but requires sourcing a gasket and confirming exact fitment.
5. ATP JG-142 Reusable Transmission Oil Pan Gasket
| Manufacturer | ATP |
|---|---|
| Model | JG-142 |
The ATP JG-142 is a reusable sandwich-style transmission oil pan gasket that replicates factory-style sealing by combining an inner metal rib with molded rubber on both sides. It installs between the transmission pan and case on automatic transmissions and is commonly used when changing fluid or servicing the pan and filter. The sandwich construction makes the gasket thicker and more rigid than cork or flat rubber strips, so it resists compression set and can be reused for a second installation. Practical benefits include a reliable seal that reduces the chance of leaks after a filter change and a part that matches factory fitment for many applications. Some users report excellent sealing and long life, while a minority experienced leaks that suggest careful inspection of bolt torque and surface condition is still required. The gasket is a straightforward replacement part but does not eliminate the need to prep mating surfaces and follow proper torque sequence during installation.
Best for: Risk-averse mainstream buyers seeking a factory-style, reusable replacement that lowers the chance of post-service leaks and avoids frequent gasket changes.
Less Ideal for: Do not choose this if you prefer one-time disposable gaskets or if your transmission pan or sealing surface is damaged and needs repair or replacement first.
- Sandwich construction with metal rib and molded rubber for a durable, repeatable seal
- Reusable design allows removal and reinstallation without immediate replacement
- Matches factory-style thickness and fit for direct replacement
- Thicker, more rigid gasket reduces risk of compression-related leaks compared with thin cork gaskets
- Not a guaranteed fix if the transmission pan or mating surface is warped or damaged
- A small number of users reported leaking installations indicating attention to bolt torque and surface prep is necessary
Verdict A factory-style, reusable sandwich gasket that gives risk-averse buyers a more reliable seal than thin cork gaskets when servicing a Pontiac G6 transmission.
6. CFR Performance Steel Finned Transmission Pan for Chevy/GM 700R4/4L60E/4L65E
| Compatible transmissions | 700R4, 4L60E, 4L65E |
|---|---|
| Material | Steel |
| Finish | Black EDP |
| Includes | Drain plug (on many units) |
This CFR Performance steel transmission pan replaces the factory pan on vehicles using the 700R4/4L60E/4L65E transmission and adds fins and a threaded drain plug for easier fluid changes. Installed on a Pontiac G6 that uses one of these transmissions, it bolts up like a direct replacement and restores stock fluid capacity while giving a simple way to drain ATF without removing the pan. The finned exterior increases surface area for passive cooling and the black EDP finish resists corrosion. Practical features include a preinstalled drain plug on many units and a thick steel construction that reviewers report resists warping. Be aware some earlier reports note inconsistent fit or missing drain plugs on individual units and this pan does not include internal magnets or a filter; if you need a pan with built-in filtration or guaranteed included hardware, plan to source a compatible magnet or drain plug separately. For routine maintenance and budget-conscious rebuilds on a Pontiac G6 with the specified transmission, this is a functional, cost-effective replacement.
Best for: Practical optimizers who want a durable, budget-friendly transmission pan that makes regular fluid service easier and extends transmission life without adding complexity.
Less Ideal for: Buyers seeking a pan with built-in filtration, integrated magnet, or a guaranteed complete hardware kit should look at higher-end or OEM-style options instead.
- Direct-fit replacement for 700R4/4L60E/4L65E transmissions commonly found in Pontiac G6 applications
- Finned steel body increases heat dissipation compared with a flat pan
- Includes a threaded drain plug on many units to simplify fluid changes
- Black EDP finish offers corrosion resistance and a clean appearance
- Does not include an internal magnet or filter screen
- Some units have arrived without the drain plug or required minor straightening for a perfect gasket surface
Verdict A cost-effective, finned steel replacement pan that simplifies draining and adds cooling for Pontiac G6 transmissions, but plan to add a magnet or check hardware if needed.
7. A-Premium Transmission Oil Pan Kit with Built-in Filter and Gasket
| Fit Type | Vehicle Specific |
|---|---|
| Transmission | 8-Speed Automatic |
| Material | Plastic |
| Gasket Included | Yes |
| Drain Plug Included | Yes |
This A-Premium transmission oil pan kit replaces the factory pan on compatible 8-speed automatic transmissions and comes with a built-in filter, gasket, drain plug and the bolts needed for installation. It is typically used during a transmission service or pan/filter replacement to stop leaks, refresh the filter and remove some old fluid without a full flush. The kit’s plastic pan is corrosion resistant and includes a sump-style wet pan with at least one magnet to collect metal debris. Buyers report the pan fits direct and seals well when the mating surfaces are cleaned and bolts are torqued in the correct sequence. The practical benefits are straightforward: you get a complete drop-in kit that simplifies a DIY service and can clear contaminants that cause rough shifting. Limitations include the plastic construction versus heavier aftermarket aluminum pans and occasional quality-control issues with a few supplied bolts and a gasket that some users found less robust than factory parts. Installation can be time consuming on vehicles with limited underbody access and may require specialty Torx tools.
Best for: Balanced buyers who want a practical, ready-to-install replacement that makes pan/filter service straightforward and prefer a complete kit to minimize parts sourcing and shop visits.
Less Ideal for: Drivers seeking a heavy-duty, high-capacity aftermarket aluminum pan for extra fluid capacity or maximum durability should consider specialty pans instead.
- Complete kit with pan, built-in filter, gasket, drain plug and mounting bolts for a one-stop replacement.
- Direct-fit vehicle-specific design that matches factory pan shape and drainage for compatible 8-speed transmissions.
- Corrosion-resistant surface and included magnet(s) to help capture metal particles from the transmission.
- Simplifies DIY transmission service by reducing parts sourcing and includes hardware for installation.
- Plastic construction is less robust and holds similar fluid volume compared with higher-capacity aluminum pans.
- Some customers reported inconsistent bolt quality and a gasket that felt inferior to factory pieces.
- Access and installation can be long and require specialized Torx tools on some vehicles.
Verdict A convenient, complete drop-in pan kit that suits balanced buyers wanting an easy transmission pan/filter service, but not those needing an aluminum high-capacity upgrade.
Choosing the Right Pontiac G6 Transmission Pan: Key Factors to Consider
Fitment and Bolt Pattern
Correct fitment is essential because the pan must match the Pontiac G6 transmission bolt pattern and clear surrounding components. A pan that does not align perfectly can cause uneven gasket compression, leading to leaks.
Consider pans specified for your vehicle year and transmission code. Pay attention to pan depth and corner geometry so it does not contact exhaust, crossmembers, or wiring. Accurate fit reduces installation time and minimizes the risk of needing modifications.
Material and Corrosion Resistance
Pan materials influence longevity and resistance to road salt and fluid exposure. Steel pans are common and sturdy but may corrode over time if not properly coated. Aluminum pans resist rust and can offer better heat dissipation, but they may dent more easily depending on thickness.
Look for pans with protective coatings or finishes to extend service life. Material choice also affects weight and heat transfer, which can have minor implications for transmission operating temperature.
Drainability and Service Features
A pan with a drain plug or integrated channel makes fluid changes cleaner and faster, reducing the chance of spills and the need to drop the entire pan. Drain plugs should be well-placed for easy access and have durable threads to withstand repeated service.
Some pans include internal baffles or removable screens that simplify maintenance. Prioritizing service-friendly design saves time and lowers the chance of introducing contamination during a fluid change.
Sealing Surface and Gasket Compatibility
The pan sealing surface must mate cleanly with a gasket to prevent leaks. An even, machined flange helps ensure uniform compression of the gasket and consistent torque values across all mounting bolts.
Verify that the pan works with common transmission pan gaskets and that replacement gaskets are readily available. Consider whether the pan requires a specific gasket type or sealant and plan for correct reassembly to avoid seepage.
Clearance and Pan Depth
Pan depth affects fluid capacity and ground clearance. A deeper pan may hold more fluid and potentially improve cooling, but increased depth can reduce underbody clearance and expose the pan to road hazards.
Assess typical driving conditions and whether added depth is practical. For vehicles used on rough roads, a lower-profile pan may be safer; for frequent towing or heavy use, additional fluid capacity may be beneficial.
Installation and Torque Considerations
Ease of installation depends on bolt accessibility, pan weight, and required torque specifications. Proper bolt torque is important to compress the gasket evenly and avoid overtightening that can warp the pan flange.
Ensure you have the correct torque specs for the Pontiac G6 transmission pan bolts and follow a proper tightening sequence. Consider pans with marked bolt locations or flanges designed to reduce the risk of distortion during installation.
FAQ
How often should I check the transmission pan for leaks on a Pontiac G6?
You should inspect the transmission pan area during routine maintenance or at every oil change. Check for fluid on the pan flange, fresh drips beneath the vehicle, and any signs of wetness around the drain plug or gasket. Early detection of seepage helps prevent fluid loss and potential transmission damage.
Can I replace the transmission pan gasket myself?
Replacing a transmission pan gasket is a task many owners can perform with basic tools and a jack or lift. It involves draining the fluid, removing the pan, cleaning the mating surfaces, and installing a new gasket with proper bolt torque. If you are unsure about torque specs or access, professional help can ensure a reliable seal.
Is a drain plug necessary on a transmission pan?
A drain plug is not strictly necessary, but it greatly simplifies fluid changes by allowing controlled draining without removing the pan. This reduces mess and speeds up service. If you plan to perform regular fluid maintenance, a pan with a drain plug is often more convenient.
What causes a transmission pan leak and how serious is it?
Leaks can come from a degraded gasket, loose or unevenly torqued bolts, or a damaged pan flange. Small leaks may be manageable if caught early, but ongoing fluid loss can lead to low transmission fluid levels and internal wear. Address leaks promptly to avoid more significant transmission issues.
Will an aftermarket pan affect my Pontiac G6 transmission performance?
An aftermarket pan designed and specified for the Pontiac G6 usually does not alter transmission function if it matches fitment and sealing requirements. Some pans change fluid capacity or cooling characteristics slightly, but the primary concern is correct fit and reliable sealing. Choose a pan that maintains proper clearance and compatibility with existing components.
How We Chose the Best Pontiac G6 Transmission Pan
We focused on pans designed specifically to fit the Pontiac G6's transmission bolt pattern and pan dimensions, ensuring correct clearance and attachment. Key evaluation criteria included material and construction quality for corrosion resistance, the presence and accessibility of a drain plug for easier fluid service, and the pan's sealing features to limit leaks and ensure reliable gasket seating. We also examined compatibility with common transmission pan gaskets and the ease of installation based on bolt access and torque considerations. Exclusions included universal-fit pans that do not match the Pontiac G6's mounting pattern and pans lacking adequate sealing provisions or drain access. Our shortlist prioritizes pans that balance long-term durability with practical serviceability for routine transmission fluid changes.
Our full evaluation process is outlined in our review methodology.
Conclusion
When choosing a transmission pan for a Pontiac G6, prioritize correct fitment and a reliable sealing surface to minimize the risk of leaks. Think about maintenance features such as a drain plug and straight, accessible bolt locations to make fluid changes easier and cleaner. Balance material and depth considerations against your driving conditions. Proper installation with correct torque and a quality gasket will deliver the best long-term outcome for transmission health and serviceability.
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