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If you drive a Subaru Impreza, the oil pan is a small part that plays a big role in engine health and upkeep. Choosing the right oil pan affects leak prevention, drainage access, and long-term durability, so it matters for reliability and routine service. This guide presents the top shortlisted Subaru Impreza oil pan options, selected for fitment accuracy, material quality, and serviceability. Below we outline the criteria used to evaluate these picks and what to expect when replacing or upgrading an oil pan.
Looking for other parts? See all Subaru Impreza parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | Subaru Genuine Oil Pan 11109AA151 |  |
| Most Popular A crowd favorite that many people choose with confidence | KAX Engine Oil Pan replacement for Subaru Impreza and other Subaru models |  |
| Best Quality Built to a higher standard if you want something more solid | Subaru Genuine Oil Pan 11109AA093 |  |
| Best Budget The cheapest option that still gets the job done reliably | maXpeedingrods Transmission Oil Pan for Subaru Impreza (Direct Replacement) |  |
| Most Sold A high-volume bestseller chosen again and again | Dorman 264-480 Engine Oil Pan (center) |  |
| Best Value for Money The sweet spot between price and what you get | A-Premium Engine Oil Pan with Drain Plug for Subaru H4 2.5L (selected fitments) |  |
| Best Overall The best all-around choice for most situations | Dorman 264-104 Engine Oil Pan |  |
1. Subaru Genuine Oil Pan 11109AA151
| Manufacturer | Subaru |
|---|---|
| Model | Oil Pan |
| Item model number | 11109AA151 |
| Is Discontinued By Manufacturer | No |
This is a factory-quality Subaru oil pan (part 11109AA151) intended as a direct replacement for specified Impreza, WRX, STI, Forester, Legacy, and Outback applications. It installs where the original pan sits to contain engine oil and seal to the block, so typical use is straightforward replacement during a repair or engine service. As a genuine OEM part it matches factory fit and finish, reducing fitment headaches and sealing issues that can occur with aftermarket pans. The pan’s standard design preserves drain plug location and mounting points, so it works with stock gaskets and hardware. Limitations are that this is a direct replacement rather than an upgraded or baffled performance pan, so it does not add extra oil capacity or enhanced protection for aggressive driving. Buyers should also verify vehicle year and submodel compatibility before ordering because fitment is specific to certain years and engine configurations.
Best for: Reliability-focused buyers who prioritize factory-quality replacement parts to maintain long-term dependability and original engineering on Subaru Impreza-family vehicles.
Less Ideal for: Drivers seeking performance upgrades, increased oil capacity, or enhanced impact protection should consider aftermarket or upgraded pans instead.
- Genuine Subaru part for factory-equivalent fit and sealing
- Direct replacement that uses existing mounting points and drain plug location
- Factory-quality manufacturing reduces risk of leaks or fitment issues
- Not a performance or heavy-duty upgrade—standard design without added baffling or capacity
- Fitment is specific to certain years and engine variants so cross-checking is required
Verdict Choose this genuine Subaru oil pan if you want a factory-equivalent, reliable replacement for covered Impreza-family models rather than a performance upgrade.
2. KAX Engine Oil Pan replacement for Subaru Impreza and other Subaru models
| Vehicle Fitment | Subaru Impreza 1993-2005 (also Subaru Baja, Forester, Legacy, Outback listed) |
|---|---|
| Includes | 1 engine oil pan with drain plug |
| Exterior | Painted |
| Manufacturer | KAX |
This KAX engine oil pan replaces the factory pan on compatible Subaru Impreza years and similar Subaru models to restore oil containment and drainage after damage or corrosion. It is made to meet OEM-style specifications and arrives painted with a drain plug installed so you can drop and refill oil without chasing parts. Typical use is as a direct replacement during engine service or after impact; installers will bolt it in place and seal it with a separate pan gasket or RTV. Buyers report a snug fit and sturdy construction, and the thicker stamped material should resist dents and leaks better than thin aftermarket pans. Important limitations are that the gasket is not included and fasteners are sometimes missing, so you should have the correct gasket, sealant, and bolt set on hand before starting the job. Expect a straightforward swap for mechanically confident owners or professional installers, but plan for a short parts list beyond the pan itself.
Best for: Buyers who prioritize convenience and a quick, direct replacement to get a Subaru Impreza back on the road with minimal fuss, whether doing the work themselves or handing it to a mechanic.
Less Ideal for: If you need a complete repair kit out of the box with gaskets and bolts included or prefer a performance oil pan with baffling and capacity changes, look elsewhere.
- Made to meet factory-style specifications for a direct replacement fit
- Painted, thickened construction that resists impact and corrosion
- Includes drain plug for convenient oil changes right away
- Multiple customer reports of accurate fitment on Subaru models
- Gasket is not included so you must buy sealant or a gasket separately
- Mounting bolts or hardware may not be supplied with every unit
Verdict A solid, factory-style replacement oil pan for convenience-minded Subaru owners, but buy the gasket and any missing hardware before you start the install.
3. Subaru Genuine Oil Pan 11109AA093
| Manufacturer Part Number | SUBARU11109AA093 |
|---|---|
| Brand | Subaru |
| Fits Models | Impreza, Legacy, Outback, Forester, Baja (non-turbo) |
This is a factory-quality Subaru oil pan sold as a direct replacement for select non-turbo Impreza, Legacy, Outback, Forester, and Baja models. It replaces a damaged or leaking pan and is installed as part of routine engine repairs or after impact damage to the sump area. The listing emphasizes genuine OEM construction and includes one sealed oil pan in the package. Using a factory replacement helps ensure correct fitment, mating surfaces, and oil capacity without modification, which simplifies installation and reduces the chance of leaks. The main limitation is that this part is for non-turbo engine variants only and fitment must be confirmed against your vehicle year and engine; it is not a performance-upgrade pan with baffles or increased capacity. Buyers should also verify VIN compatibility before ordering since Subaru used different pans across model years and engines.
Best for: Performance-oriented Subaru owners who prioritize factory-quality replacements to maintain engine reliability and exact fitment during repairs.
Less Ideal for: Drivers seeking a performance aftermarket oil pan with additional baffling, capacity, or modifications should look at specialized upgrade options instead.
- Genuine Subaru factory replacement ensures correct fit and sealing surfaces
- Sold as a single sealed OEM oil pan for straightforward replacement
- Direct-fit design simplifies installation with no modification required
- Compatible only with specified non-turbo Subaru engine models and years
- Not designed as a performance or high-capacity oil pan
Verdict Choose this genuine Subaru oil pan if you want a direct factory-quality replacement for eligible non-turbo Impreza-family engines rather than a performance upgrade.
4. maXpeedingrods Transmission Oil Pan for Subaru Impreza (Direct Replacement)
| Material | Steel |
|---|---|
| Fitment Type | Direct Replacement |
| Engine Compatibility | H4 2.0L / H4 2.5L |
| Package Included | 1 × Transmission Oil Pan |
| Replaces Part Numbers | 265-910, 31390AA170 |
This steel transmission oil pan is a direct replacement designed for Subaru Impreza models with the CVT and H4 2.0L/2.5L engines. It bolts into the factory mounting points and reproduces the original pan layout so installation is straightforward during a transmission service or a pan swap. The steel construction offers a durable, serviceable pan that includes a drain provision to simplify fluid changes. For a budget-focused buyer it delivers the core functions you need: accurate fitment, simple bolt-on installation, and a robust metal pan that resists deformation. Limitations are typical of economy replacement pans: finish and corrosion protection are basic compared with higher-end coated or aluminum aftermarket pans, and it does not add cooling fins or increased fluid capacity. If you want OEM-like fit at a low price for routine maintenance or a worn-pan replacement on an Impreza CVT, this is a practical option.
Best for: Budget-conscious owners who prioritize a reliable, low-cost factory-style replacement for routine CVT maintenance on a Subaru Impreza.
Less Ideal for: Owners seeking upgraded cooling, increased fluid capacity, or a premium corrosion-resistant finish should consider higher-end aftermarket pans instead.
- Direct replacement fitment for Subaru Impreza CVT H4 2.0L/2.5L, simplifying installation
- Steel construction provides sturdy, serviceable pan resistant to dents
- Includes drain provision to make transmission fluid changes easier
- Matches original mounting locations so no modification is required
- Basic finish with limited corrosion protection compared with coated or premium pans
- No integrated cooling fins or increased fluid capacity for added thermal performance
Verdict A no-frills, steel direct-replacement pan that gives Impreza owners an affordable, OEM-style option for CVT transmission service.
5. Dorman 264-480 Engine Oil Pan (center)
| Brand | Dorman |
|---|---|
| Model | 264-480 |
| Position | Center |
| Exterior | Machined |
This Dorman engine oil pan is offered as a direct replacement designed to match the factory pan’s fit and mounting points. It includes the pan and drain plug so installation is straightforward for a mechanic or experienced DIYer when replacing a leaking or damaged pan. The machined exterior and a high-strength coating aim to resist corrosion and provide a durable service life in typical driving conditions. Because it is engineered to factory-style dimensions and attachment locations, it will simplify gasket alignment and minimize modification during installation. Limitations include the need to confirm exact vehicle fitment before purchase and that the pan is a center-position design, which may not match applications that require a different configuration; buyers should also plan for proper torque on drain hardware to avoid thread damage. This part is best used as a like-for-like repair to restore a vehicle to factory serviceability rather than an aftermarket performance upgrade.
Best for: Risk-averse mainstream buyers looking for a reliable, factory-style replacement to restore daily driving dependability without experimenting with performance mods.
Less Ideal for: Drivers seeking performance oiling upgrades, custom sump configurations, or one-off racing modifications should consider specialty aftermarket pans instead.
- Direct-replacement design that matches factory mounting and simplifies installation
- Includes drain plug so fewer parts are needed at install
- Machined exterior and corrosion-resistant coating for improved durability
- Fitment must be verified for the exact vehicle and trim before purchase
- Center-position pan design may not suit vehicles requiring other pan configurations
Verdict A dependable factory-style replacement oil pan intended to restore original fit and function rather than improve performance.
6. A-Premium Engine Oil Pan with Drain Plug for Subaru H4 2.5L (selected fitments)
| Material | Steel |
|---|---|
| Sump Style | Wet |
| Drain Plug | Included |
| Surface Finish | Corrosion Resistance |
This steel oil pan replaces a worn or leaking factory pan on supported Subaru H4 2.5L engines and is intended for professional or DIY installation. It comes painted for corrosion resistance and includes a drain plug so you can reinstall and refill immediately. The pan matches common OEM reference part numbers and has the same sump shape and RTV seating divots reviewers note for a clean seal, which simplifies installation when using the manufacturer-recommended silicone sealant. Typical use is to repair oil leaks, restore proper oil capacity, and prevent low-oil issues caused by rusted or punctured pans. Practical benefits include solid fitment across the listed Subaru models, a corrosion-resistant finish, and an included drain plug and washer. Limitations are that the gasket is not included and Subaru specifies silicone RTV for the mating surface, plus long-term durability depends on road conditions and corrosion exposure compared with thicker aftermarket or upgraded pans.
Best for: A practical optimizer looking for an affordable, factory-style replacement to fix leaks and restore proper lubrication on a Subaru Impreza H4 2.5L without overspending on heavy-duty upgrades.
Less Ideal for: Drivers who frequently off-road, encounter heavy debris, or want an upgraded heavy‑duty pan for performance builds should consider thicker aftermarket or reinforced pans instead.
- Steel construction provides a factory-style replacement that resists minor corrosion.
- Painted finish for added corrosion resistance compared with bare steel.
- Includes drain plug and washer so oil change and refill are straightforward after installation.
- Designed to match OEM seating divots to work with RTV for a reliable seal during installation.
- Gasket is not included so buyer must supply proper sealant or a separate gasket.
- Made from stamped steel rather than thicker aftermarket materials, so it may be less impact-resistant in off-road or high-debris use.
Verdict A budget-friendly, factory-style steel replacement oil pan that restores sealing and function for Subaru H4 2.5L engines but requires separate gasket/sealant and is not a heavy‑duty upgrade.
7. Dorman 264-104 Engine Oil Pan
| Material | Steel |
|---|---|
| Thread Size | M14x1.5 |
| Bolt Pattern (Number of Holes) | 18 |
| Exterior | Machined |
This Dorman 264-104 is a stamped steel replacement oil pan intended to match factory fit and function on supported engines. It ships as a complete assembly with drain plug and a machined exterior finish, so it is ready for installation during an engine service or leak repair. The steel construction and high-strength coating aim to resist corrosion and hold up to road use, and the included drain plug eliminates the need to reuse an old component. Customers report straightforward bolt-hole alignment where the application is correct, though a few buyers found fitment issues when the pan did not match their engine variant. Because this is a direct replacement part, installation follows the same procedure as a factory pan and uses the vehicle's existing mounting hardware and gasket surfaces. Expect a reliable, budget-friendly swap for engines covered by the part number, but confirm exact fitment for your Subaru Impreza engine variant before ordering since compatibility is critical and not universal across all models and years.
Best for: Balanced buyers who want a practical, economical replacement oil pan that aims to restore factory function without unnecessary upgrades or high-end materials.
Less Ideal for: Those seeking a performance or lightweight aftermarket pan for racing or weight reduction should consider purpose-built aluminum pans instead.
- Complete assembly includes drain plug so no separate hardware is required
- Durable steel construction with corrosion-resistant coating for long service life
- Machined exterior and matched bolt pattern for straightforward installation when application is correct
- Designed to replicate factory fit and function for covered vehicle applications
- Marked as a universal-fit type in the listing so it can be incompatible with some engine variants
- Dimensions and weight may require handling assistance during installation
Verdict A cost-effective, factory-replacement style oil pan for supported engines—verify Subaru Impreza engine fitment carefully before purchasing.
Choosing the Right Subaru Impreza Oil Pan: Key Factors to Consider
Fitment and Compatibility
Exact fitment matters because the oil pan must align with the block, drain port, and mounting bolt pattern. A pan that is even slightly off can cause leaking at the gasket interface or difficulty threading bolts, which increases installation time and risk of cross-threading. Consider whether the pan is specified for your model year and engine variant. Also check whether the pan preserves clearance for existing components such as steering linkages, subframes, and splash shields. Proper compatibility reduces the chance of additional modifications and ensures a reliable seal.
Material and Corrosion Resistance
Oil pans are commonly made from stamped steel, cast aluminum, or welded fabricated alloys, and each material behaves differently under road exposure. Steel pans are often durable against impact but can rust over time if not treated, while aluminum resists corrosion but can dent or crack from severe impacts. Think about the climate and road conditions you drive in. If you frequently encounter salt, moisture, or rough roads, prioritize corrosion-resistant finishes and robust construction to avoid premature failure and maintain a tight seal.
Drain Access and Serviceability
Ease of draining oil and performing routine maintenance is a practical consideration. A well-placed drain plug with clear access saves time during oil changes and reduces the need to remove additional components. Some pans include captive or reinforced drain areas to reduce the risk of thread damage. Also consider whether the design maintains sufficient ground clearance and whether the pan shape allows the engine to be serviced without removal. Better serviceability lowers maintenance time and reduces the chance of cross-threaded plugs or stripped threads.
Gasket Surface and Sealing Design
The sealing surface geometry and gasket interface determine how reliably a pan resists leaks. A flat, machined flange with consistent bolt hole alignment helps ensure even compression of the gasket, while poorly finished or warped surfaces can create stress points that lead to seepage. Inspect whether the pan design accommodates modern gaskets or RTV compounds and whether bolt access allows for uniform torque. Good sealing design reduces the likelihood of oil seepage around the perimeter.
Baffling and Oil Control
Proper internal baffling keeps oil near the pickup during cornering and hard acceleration, maintaining oil pressure and reducing the chance of starvation. The shape and placement of baffles or trap doors affect how the sump manages oil slosh under real driving conditions. For drivers who commute aggressively or occasionally tow, look for pans with effective baffling that match the engine's oil pickup location. Effective oil control protects the oil pump and preserves consistent lubrication during dynamic driving.
Hardware Quality and Installation Features
The included bolts, thread inserts, and drain plug quality impact installation ease and long-term reliability. Sacrificing hardware quality can lead to stripped holes, leaking plugs, or the need for re-tapping threads during service. Check whether the product includes appropriate bolts and washers, and whether torque specifications are referenced for correct installation. Features such as captive fasteners or reinforced bolt bosses make installation more straightforward and reduce the chance of errors.
FAQ
How do I know if my Subaru Impreza oil pan is leaking?
Common signs include oil spots under the car, a low oil level on the dipstick between changes, or oil visibly seeping at the pan flange. You may also notice a burning oil smell if oil contacts hot components. Have the area cleaned and inspected to confirm the source, since leaks can also come from gaskets or seals nearby.
Can I replace the oil pan myself on a Subaru Impreza?
Many mechanically inclined owners can replace an oil pan with basic tools and a suitable workspace, because the job typically involves draining oil, removing mounting bolts, and replacing the gasket. However, you should follow torque specs for the mounting bolts and ensure the sealing surface is clean and flat. If access is limited or the pan requires special alignment, professional assistance is advisable.
What should I consider when choosing between steel and aluminum pans?
Steel tends to offer impact resistance and can be durable in rough conditions but may be more prone to corrosion without proper coating. Aluminum resists rust and can be lighter, but it can dent or crack under severe impact. Consider local driving conditions, priorities for weight savings, and susceptibility to road debris when deciding between materials.
Do aftermarket oil pans improve performance?
Aftermarket pans can offer advantages such as better baffling, stronger materials, or improved drain access, which can help oil control and serviceability. However, performance gains are usually related to reliability and oil management rather than increased engine power. Make sure the pan is engineered to match the vehicle's oil pickup and sump geometry.
When should I replace the oil pan gasket versus the oil pan itself?
If the pan is undamaged and the sealing flange is flat, replacing the gasket is often sufficient to stop minor leaks. If the pan has significant deformation, corrosion, stripped bolt holes, or cracks, replacing the entire pan is a safer choice. Evaluate the extent of damage and the condition of mounting surfaces before deciding.
How important is correct bolt torque when installing an oil pan?
Correct bolt torque is important to ensure even compression of the gasket and to avoid warping the pan flange or stripping threads. Torque values vary by vehicle and bolt size, so reference the specific Subaru Impreza torque specifications for the mounting bolts. Gradually tighten bolts in a proper sequence to achieve a uniform seal.
How We Chose the Best Subaru Impreza Oil Pan
We selected products based on criteria that reflect real-world needs for Subaru Impreza owners. Primary filters included exact vehicle fitment to the Subaru Impreza engine families, material and corrosion resistance for long service life, and manufacturing tolerances that affect gasket sealing and bolt alignment. We also evaluated drain accessibility and thread quality to make routine oil changes simpler, plus compatibility with factory baffles and sump shapes to preserve oil control under load. We prioritized pans that use durable materials and consistent dimensions over those with unverified fit claims. Products were excluded if they lacked clear fitment specifications, omitted hardware where required, or used ambiguous manufacturing tolerances. The final shortlist balances long-term durability, sealing reliability, ease of installation, and serviceability.
Our full evaluation process is outlined in our review methodology.
Conclusion
Choosing the right Subaru Impreza oil pan comes down to fitment accuracy, material durability, and how the design affects serviceability and oil control. Prioritize pans that match your vehicle year and engine layout, offer a robust sealing surface, and provide accessible drain features. Balance tradeoffs between corrosion resistance and impact durability based on your driving conditions. Give extra weight to secure hardware, clear torque instructions, and internal baffling if you plan spirited driving or frequent highway use.
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