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Picking the right Kia Optima oil filter housing matters because a properly fitting housing keeps oil sealed, preserves engine pressure, and prevents messy leaks. A failed housing or degraded gasket can lead to oil loss, low oil pressure, or costly engine damage if not addressed promptly.This guide covers the top shortlisted oil filter housings for the Kia Optima, chosen for compatibility, sealing performance, and durability. We evaluated each option for fitment, gasket and seal quality, and resistance to common failure modes. Read on for the criteria that mattered and practical notes to help you pick the right housing for your vehicle.
Looking for other parts? See all Kia Optima parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | A-Premium Oil Filter Housing Cap with O-Ring |  |
| Most Popular A crowd favorite that many people choose with confidence | maXpeedingrods Aluminum Oil Filter Housing Assembly |  |
| Best Quality Built to a higher standard if you want something more solid | APSG Toyota Genuine Oil Filter Kit with Aluminum Housing Cap and Wrench |  |
| Best Budget The cheapest option that still gets the job done reliably | Hsbang Oil Filter Housing Assembly for 2017-2020 Genesis G80 and Compatible Hyundai/Kia Models |  |
| Most Sold A high-volume bestseller chosen again and again | Kozlira Complete Engine Oil Filter & Housing Assembly (Replacement 26300-3CAB1) |  |
| Best Value for Money The sweet spot between price and what you get | A-Premium Oil Filter Housing Cap Assembly for 1.6L Hyundai/Kia |  |
| Best Overall The best all-around choice for most situations | XINLIN Aluminum Oil Filter Housing Complete Assembly (26300-3LAA0) |  |
1. A-Premium Oil Filter Housing Cap with O-Ring
| OEM Equivalent Part Number | MO365, 263503C701 |
|---|---|
| Compatible with Vehicle Type | Car |
| Material Type | Metal |
| Product Grade | Replacement Part |
This oil filter housing cap replaces a worn or cracked factory cap to restore a reliable seal for the vehicle's oil filter assembly. It is intended for direct replacement and typically installed during an oil change; the package includes the cap and a replacement O-ring so you can complete the service in one visit. The cap is manufactured to match the OEM part numbers listed and uses engineering plastic to resist heat and chemical exposure found in the engine bay. In practice the textured exterior and tool-compatible recess make it straightforward to remove and reinstall with a proper socket, and several user reports note a secure fit and resolution of leaks. Because the cap is plastic, careful torque control and light lubrication of the threads during installation are recommended to avoid cracking. The product comes with a one-year limited guarantee covering the part itself, but labor and related costs are not included. This cap is a practical, factory-quality replacement when the original cap shows age or leaks, provided installation is done gently and to spec.
Best for: A reliability-focused buyer who prioritizes restoring factory sealing and preventing oil leaks with a direct-fit replacement during routine maintenance.
Less Ideal for: Drivers who prefer metal aftermarket upgrades or professional shops that require parts with extended service warranties for heavy-use fleet vehicles.
- Direct fit to the listed factory-equivalent part numbers for a straightforward replacement.
- Includes a replacement O-ring so you can complete the service without extra parts.
- Made from heat-resistant engineering plastic designed for engine-bay conditions.
- Textured exterior and tool recess facilitate easier removal and installation.
- Plastic construction requires careful torque control to avoid cracking during installation.
- Guarantee covers only the cost of the part and excludes labor or related expenses.
Verdict A practical, factory-quality replacement cap that fixes leaks and restores proper oil filter sealing when installed carefully.
2. maXpeedingrods Aluminum Oil Filter Housing Assembly
| Manufacturer | maXpeedingrods |
|---|---|
| Manufacturer Part Number | YX15KF |
| OEM Part Number | 26300 3LAA0, 263003LAA0, 26300-3LAA0 |
| Compatible Vehicles | Kia Telluride, Sorento, Sedona, Cadenza; Hyundai Genesis, Genesis G80, Palisade |
This aluminum oil filter housing replaces the factory-style housing cap assembly and secures the oil filter in place while routing oil through the filter element. It is typically used during maintenance when replacing the housing or upgrading the factory plastic bowl to a more heat- and impact-resistant part. Notable features include an all-aluminum construction rated to withstand wide temperature swings and high pressure spikes, manufacturer-listed OEM part number compatibility, and a supplied filter in the housing. In practice the billet-style cap resists cracking and corrosion common to plastic housings and offers a more robust seal under harsh conditions. Several users report the cap ships tightly torqued and can be difficult to remove without proper tools, and a few received improperly seated filters that required replacement before installation. Expect a stronger, longer-lasting housing but plan for careful inspection at install and the possible need for a filter change and a cap tool to avoid damage.
Best for: Buyers who value convenience and durability and want a low-hassle, longer-lasting replacement part that reduces the chance of plastic cap failures during routine maintenance.
Less Ideal for: Drivers who prefer to stick strictly to dealer-supplied parts and warranty-managed service or those who lack basic hand tools and experience for a secure cap removal and inspection.
- Aluminum construction resists cracking, rust, and high temperatures compared with factory plastic housings
- Manufactured to match listed OEM part numbers for direct replacement fitment
- Rated to handle high pressure spikes and wide temperature ranges for more reliable service
- Includes an oil filter in the assembly for immediate installation
- Cap often shipped torqued very tight and may require channel locks or a filter-cap tool to remove
- Some customers received poorly seated or lower-quality filters and recommended replacing the filter before use
Verdict A durable aluminum replacement housing that improves long-term reliability over plastic bowls but requires careful inspection and the right tools at install.
3. APSG Toyota Genuine Oil Filter Kit with Aluminum Housing Cap and Wrench
| Brand | APSG |
|---|---|
| Material | Aluminum, Paper |
| Thread Size | NPT 3/4" |
| Automotive Fit Type | Vehicle Specific Fit |
This kit combines a factory-style oil filter with an upgraded aluminum oil filter housing cap, a crush washer, and a dedicated cap wrench to make service easier and more robust. It is used during routine oil changes to replace the original plastic housing cap that can crack or strip when removed. The aluminum cap is stronger and resists damage from repeated shop or DIY removals, while the included filter provides OEM-level filtration media for particle capture and consistent flow. The wrench and crush washer simplify installation and help prevent leaks. Practical benefits include improved longevity of the housing assembly, fewer emergency repairs from broken plastic caps, and a more secure seal after servicing. Limitations are that the kit is vehicle-specific in fit and the metal housing may require slightly different handling compared with the original plastic cap during installation; some models need a center tube swap or verification of exact filter variant before fitting. The plastic funnel in the kit has been reported to stick in the aluminum opening on occasion, which can add a small removal step.
Best for: Performance-oriented buyers who prioritize durable, factory-quality components to protect engine internals and reduce the chance of service-related failures during regular maintenance.
Less Ideal for: Buyers who need a universal or multi-vehicle solution or who prefer to source individual OEM parts directly from a dealer should consider other options.
- Aluminum housing cap is far more durable than factory plastic and resists cracking during service.
- Includes a genuine-style oil filter that matches factory filtration characteristics.
- Cap wrench and crush washer are included to simplify removal and ensure a proper seal.
- Kit consolidates components needed for an oil change into one package for easier DIY maintenance.
- Designed for specific vehicle applications so fit must be confirmed before ordering.
- Some installs may require swapping the center tube from the old housing for correct fitment.
- Plastic funnel accessory can occasionally stick in the aluminum housing during removal.
Verdict Choose this kit when you want a factory-quality filter plus a long-lasting aluminum housing cap and wrench to avoid recurring failures from plastic covers.
4. Hsbang Oil Filter Housing Assembly for 2017-2020 Genesis G80 and Compatible Hyundai/Kia Models
| Compatible car models | 2017-2020 Genesis G80; 2016 Hyundai Genesis; 2020-2024 Hyundai Palisade; 2019-2020 Kia Sorento; 2017-2020 Kia Cadenza; 2020-2024 Kia Telluride; 2019-2021 Kia Sedona |
|---|---|
| OEM Equivalent Part Number | 26300-3LAA0 |
| Product Grade | Replacement Part |
| Compatible with Vehicle Type | Car, Sports Utility Vehicle |
This Hsbang oil filter housing assembly is a straightforward, budget-focused replacement meant to swap in for a worn or damaged factory housing. It installs in the same location as the original housing and is intended for routine oil service and filter changes. The unit matches the factory part number listed and includes the filter interface and sealing surfaces so you can reuse existing filter elements or replace them together. Buyers will appreciate the simple OEM-style design and the plastic construction that keeps cost and weight down while providing the necessary sealing and mounting features. Practical benefits are direct fitment to the listed vehicles and a one-year warranty that gives short-term peace of mind. Limitations to consider are the aftermarket plastic construction compared with higher-end factory or metal options and the small number of user reviews, which means long-term durability is less proven. For budget repairs and preventive maintenance this housing gives a low-cost path back to a functioning oil system, but those seeking a long-term factory-quality replacement may prefer a factory-sourced part.
Best for: Budget-conscious buyers who prioritize low replacement cost and straightforward fitment for routine oil service and short-term repairs.
Less Ideal for: Owners seeking a factory-sourced or heavy-duty metal housing for extended durability or those who prefer parts with long-established track records.
- Designed to replace factory part number 26300-3LAA0 for direct compatibility
- OEM-style assembly that includes the filter interface and sealing surfaces
- Lower-cost plastic construction reduces purchase price
- One-year warranty provides short-term coverage
- Plastic construction may not match longevity of factory or metal housings
- Limited user review history for long-term reliability data
Verdict A cost-effective, OEM-style replacement housing that restores oil system function affordably but may not match factory durability for long-term use.
5. Kozlira Complete Engine Oil Filter & Housing Assembly (Replacement 26300-3CAB1)
| Manufacturer Part Number | 26300-3CAB1 |
|---|---|
| Compatible with Vehicle Type | Kia Sedona, Cadenza, Sorento (specified V6 models) |
| Product Grade | Performance Part |
| Material Type | Metal, Paper |
This Kozlira complete engine oil filter and housing assembly replaces the factory unit and provides an integrated filter, metal housing, and sealing ring for a direct replacement service. It is typically used during routine oil service or when the original housing is damaged and needs swapping rather than separate filter changes. The unit claims a performance-grade filter element with metal construction and rubber seals to resist corrosion and reduce the chance of oil leaks. In practice that means fewer parts to buy at service time and a straightforward swap-in installation when the vehicle requires the specific part number listed. The design emphasizes filtration of metal debris and contaminants to help protect the engine and reduce wear. Limitations are that fitment is vehicle-specific and you must confirm compatibility with your Kia model and engine; also the listing does not include an OEM warranty or extensive fitment verification beyond the part number, so installers who prioritize fully documented factory-equivalent sourcing may want to cross-check before purchase.
Best for: A risk-averse mainstream buyer who wants a straightforward, vehicle-specific replacement that minimizes surprises at installation and reduces the number of separate parts to source during routine service.
Less Ideal for: Buyers seeking a broadly cross-compatible or performance-upgraded aftermarket solution should consider other options that list wider vehicle fitment or enhanced filtration performance data.
- Complete assembly replaces both filter and housing for a single-install service
- Metal housing and rubber sealing ring designed to resist corrosion and reduce leaks
- Performance-grade filter element aimed at removing metal debris and contaminants
- Vehicle-specific fit reduces modification or adaptation during installation
- Compatibility is limited to specific part numbers and model years, so it is not universal
- No explicit manufacturer warranty or extended fitment verification included in the listing
Verdict A convenient, vehicle-specific complete filter and housing replacement that simplifies service for buyers who prefer a direct-fit, factory-style swap.
6. A-Premium Oil Filter Housing Cap Assembly for 1.6L Hyundai/Kia
| Compatible with | 1.6L engines |
|---|---|
| Torque spec | 35 Nm |
| Includes | Oil filter housing cap and O-ring |
| Material | Metal or Plastic |
This oil filter housing cap assembly replaces the factory cap on 1.6L engines and is intended to restore the oil filter seal after removal or damage. It installs in the same location as the original cap and comes with a replacement O-ring to help ensure a tight seal; the listing cites a recommended 35 Nm tightening torque for correct installation. Use is straightforward during routine oil changes or when repairing a stripped or leaking cap. The item is described as manufactured to factory specifications for a direct fit and the mix of metal and plastic construction aims to balance durability and cost. The practical benefit is a simple, low-cost fix that avoids replacing the whole housing assembly and reduces downtime. Limitations are that it is specific to 1.6L fitment and may not match higher-end factory materials, so users replacing a heavily damaged housing or seeking an upgraded, heavy-duty cap might prefer other options.
Best for: Practical optimizers who want a budget-conscious, direct-fit replacement to fix a leaking or stripped oil filter cap and get the vehicle back on the road quickly.
Less Ideal for: Buyers seeking a heavy-duty, long-life upgrade or owners of vehicles other than the specified 1.6L Optima who need a different fitment should look elsewhere.
- Direct-fit design manufactured to factory specifications for straightforward installation
- Includes replacement O-ring to restore sealability without sourcing extra parts
- Compact, low-cost solution ideal for repairing a stripped or damaged cap
- Provided torque specification (35 Nm) simplifies correct installation
- Construction mixes metal and plastic which may not match heavier-duty factory components
- Compatible only with 1.6L engine fitments so it is not universal
Verdict A cost-effective, direct-fit replacement cap for 1.6L engines that restores sealability and simplifies repairs for practical, budget-focused buyers.
7. XINLIN Aluminum Oil Filter Housing Complete Assembly (26300-3LAA0)
| Material | Aluminum |
|---|---|
| Product Grade | Replacement Part |
| Automotive Fit Type | Vehicle Specific Fit |
| OEM Part Number | 263003LAA0 |
This aluminum oil filter housing assembly replaces the original plastic unit with a sturdier, precision-machined metal housing and comes complete with the filter and seal needed for installation. It is typically used when the factory plastic housing cracks or leaks; installers remove the old housing and bolt this assembly in its place, using the included seal and filter to restore a clean oil circuit. Notable features include multiple internal oil flow channels and engineered sealing points intended to reduce leak risk and improve durability in cold weather. Practical benefits are straightforward: a more robust housing that resists the common failure mode of plastic cartridges, a built-in filter for one-step replacement, and generally a tighter seal that users report stops oil leaks. Limitations are that this is an aftermarket part from a third-party brand so fit and long-term durability depend on installation and driving conditions, and some buyers have raised minor questions about components such as the pressure relief valve that could warrant inspection during installation.
Best for: Balanced owners who prioritize a durable, long-term replacement over the fragile factory plastic housing and want a complete part that simplifies a DIY or shop installation.
Less Ideal for: Buyers who prefer only manufacturer-branded factory replacement parts or those who want a lifetime-warranted assembly backed by the vehicle maker.
- Aluminum construction reduces risk of cracking compared with factory plastic housings
- Includes filter and seal ring for a complete one-step replacement
- Precision-machined oil passages and sealing points designed to minimize leaks
- Reported to fit accurately and perform in cold-weather conditions
- Aftermarket component so long-term reliability versus factory part is not guaranteed
- Some users noted uncertainty about the quality of the pressure relief valve
Verdict A tougher aluminum swap-in for leak-prone plastic housings that gives balanced buyers a practical, complete replacement solution.
Choosing the Right Kia Optima Oil Filter Housing: Key Factors to Consider
Fitment and Part Number Accuracy
Correct fitment is the top priority because the housing must align precisely with the engine block, oil passages, and filter mounting threads. A mismatch can cause poor sealing, stripped threads, or interference with adjacent components. Confirming the correct part number for your Kia Optima model year and engine variant reduces the chance of returns and rework. When fitment is accurate, installation is quicker and the risk of oil pressure problems is lower.
Gasket and Seal Quality
The gasket or seal interfaces directly with the engine and prevents oil from escaping around the housing. Materials that resist heat, oil exposure, and compression set will maintain sealing force longer and reduce leak frequency. Pay attention to whether gaskets are single-piece molded seals or replaceable O-rings; molded designs often simplify installation but require correct alignment. A robust sealing design mitigates common oil filter housing leak issues and prolongs service intervals.
Housing Material and Durability
Housings are typically made from metal or engineered plastics; each has tradeoffs. Metal housings resist deformation from heat and torque but can corrode if coatings fail. High-quality composite materials can save weight and resist corrosion but must be engineered to avoid cracking under thermal stress. Choose a housing that balances toughness with resistance to cracking and warping over repeated heat cycles to avoid catastrophic failure.
Design for Serviceability
A housing that makes routine oil filter changes straightforward will reduce the chance of installation errors. Look for designs with clear mounting features, accessible fasteners, and provisions for replacing the gasket or seal without removing additional components. Service-friendly designs save time in the shop and lower the risk of damage to adjacent hoses or sensors during maintenance.
Leak Resistance and Pressure Integrity
Maintaining oil pressure and preventing external leaks are central to a housing’s function. Good designs route oil passages to minimize turbulence and use secure sealing surfaces to handle pressure spikes. Consider how the housing interfaces with the filter element and whether it supports a positive mechanical clamp. Prioritizing leak resistance reduces oil loss and prevents symptoms like low oil warning lights or oil pooling under the car.
Compatibility With OEM Service Parts
Choosing a housing compatible with OEM-style filters, gaskets, and seals preserves serviceability and parts sourcing. Compatibility ensures that routine maintenance uses readily available components and that replacement gaskets or seals will fit correctly. This reduces the need for custom parts and helps maintain predictable maintenance outcomes over the life of the vehicle.
FAQ
What are common symptoms of a failing oil filter housing on a Kia Optima?
Common signs include visible oil leaks around the housing area, a sudden drop in oil pressure warnings, or oil pooling under the engine. You may also notice oil smell in the engine bay or increased oil consumption. These symptoms often indicate a damaged gasket, cracked housing, or loose mounting hardware.
Can I replace just the gasket instead of the whole housing?
Often a leaking gasket can be replaced independently if the housing is undamaged and the mating surfaces are clean and flat. However, if the housing shows signs of cracking, warping, or thread damage, replacing the entire housing is safer. Inspect the housing carefully during service to decide which approach is appropriate.
How can I tell if the oil filter housing is cracked?
Look for hairline cracks, coolant or oil seeping from the housing seams, and persistent leaks that return after gasket replacement. Cracks may be more visible after the engine has warmed and then cooled. If you suspect cracking, remove the housing for a detailed inspection or have a technician evaluate it to avoid misdiagnosis.
Do oil filter housing seals need special tools to replace?
In many cases, replacing the seal or gasket requires only basic hand tools and attention to torque specifications. Some service procedures recommend torque wrenches or alignment fixtures to ensure even clamping and proper sealing. Follow the vehicle-specific service instructions to avoid overtightening or cross-threading fasteners.
How often should the oil filter housing gasket be inspected?
Inspect the gasket and housing during every oil change or at least at regular service intervals. Routine inspection helps catch early signs of compression set, hardening, or surface damage before leaks develop. Early detection often lets you replace just the gasket rather than the entire housing.
Will replacing the housing fix low oil pressure warnings?
Replacing a damaged or leaking housing can resolve oil pressure issues that stem from external leaks or loss of sealing integrity. However, low oil pressure can have other causes such as pump wear or internal engine issues, so confirm the source before assuming the housing is the sole problem.
How We Chose the Best Kia Optima Oil Filter Housing
We prioritized parts that maintain correct engine oil pressure and provide reliable sealing under real-world driving conditions. Key evaluation criteria included precise fitment to Kia Optima mounting points and threads, the quality and design of the gasket or seal, and the housing material and construction for resistance to cracking and warping. We also considered ease of installation, availability of correct part numbers, and how well the design facilitated routine oil filter changes.Exclusions: we excluded any listings without confirmed vehicle-specific fitment or lacking clear sealing components. We also omitted housings that relied solely on adhesives or unproven aftermarket modifications rather than robust mechanical seals.The resulting list emphasizes housings that deliver long-term leak resistance, straightforward installation, and compatibility with OEM service procedures. These filters were chosen to reduce the risk of common symptoms such as oil pooling, pressure drops, or repeated gasket failures.
Our full evaluation process is outlined in our review methodology.
Conclusion
When choosing an oil filter housing for a Kia Optima, prioritize correct fitment, durable housing material, and a high-quality gasket or seal. These factors most directly affect leak resistance, oil pressure integrity, and long-term reliability.Balance serviceability and compatibility with OEM-style parts to simplify future maintenance. Inspect the housing during routine oil changes and address symptoms such as leaks or pressure drops promptly to avoid escalation into more serious engine problems.
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