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If you own a Mazda CX-5, the oil filter housing is a small component that plays an outsized role in engine health and reliability. Choosing the right Mazda CX-5 oil filter housing affects how well your engine circulates oil, how easy routine service is, and whether you avoid messy leaks or pressure loss. This guide covers seven shortlisted options that met our editorial standards. We evaluated each on fit, sealing performance, and build quality to help you pick a housing that reduces service time and minimizes the risk of oil-related issues. Read on for the criteria we used and what to look for when deciding.
Looking for other parts? See all Mazda CX-5 parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | A-Premium Oil Filter Housing Cap Assembly (replacement) |  |
| Most Popular A crowd favorite that many people choose with confidence | RANSOTO Engine Oil Cooler and Filter Housing Assembly (3.6L) |  |
| Best Quality Built to a higher standard if you want something more solid | APSG Toyota Genuine Oil Filter and Aluminum Housing Cap Kit (A1 Full Kit) |  |
| Best Budget The cheapest option that still gets the job done reliably | FOXSTAR Oil Filter Housing Cap Assembly Kit |  |
| Most Sold A high-volume bestseller chosen again and again | A-Premium Aluminum Oil Filter Housing Cap Assembly |  |
| Best Value for Money The sweet spot between price and what you get | Pilida Aluminum Oil Filter Housing Cap Assembly with Drain Plug |  |
| Best Overall The best all-around choice for most situations | ROVIKE Oil Filter Housing Cap with Drain Plug (15620-36020) |  |
1. A-Premium Oil Filter Housing Cap Assembly (replacement)
| Material | Plastic |
|---|---|
| Product Grade | Replacement Part |
| Manufacturer Part Number | APOFH019 |
| OEM Part Number | AJ812282, C2D17615 |
| Automotive Fit Type | Vehicle Specific Fit |
This oil filter housing cap assembly replaces a worn or leaking factory cap and is intended to secure the oil filter and maintain a proper seal. It is a direct-fit, vehicle-specific replacement made of plastic and ships with a replacement O-ring for installation. Typical use is straightforward: drain oil or access the filter housing, remove the old cap, swap the O-ring, and install the new cap to stop leaks or restore a tight seal. The product claims factory-spec fit and several customer reports note easy installation and resolved oil leaks. Practical benefits include saving on dealer repairs and getting the vehicle back to leak-free operation quickly. Important limitations are that the listing specifies Jaguar fitment and OEM reference numbers, so compatibility must be confirmed before buying, and plastic construction may not match the durability expectations of metal OEM parts in every situation.
Best for: Reliability-focused buyers who prioritize restoring a leak-free, factory-like fit quickly and who prefer a straightforward, cost-effective repair over dealer service.
Less Ideal for: Buyers seeking parts specifically for Mazda CX-5 or those who require a metal housing cap for long-term durability should look for alternatives.
- Vehicle-specific direct-fit design for straightforward replacement
- Includes replacement O-ring to restore sealability
- Reported easy installation by multiple users
- Constructed from plastic which may not match factory metal durability in some applications
- Fitment targets Jaguar models only and is not universal
Verdict A practical, vehicle-specific replacement cap that fixes leaks and is easy to install, but confirm compatibility and consider material if you need a metal OEM-equivalent.
2. RANSOTO Engine Oil Cooler and Filter Housing Assembly (3.6L)
| Compatible Engines | 3.6L V6 |
|---|---|
| Included Components | Oil cooler, gaskets, o-rings, oil filter, oil temp sensor, oil pressure sensor |
| Material Type | Aluminum, Plastic |
| Automotive Fit Type | Vehicle Specific Fit |
This RANSOTO assembly replaces the oil cooler and filter housing and ships as a complete kit that includes the oil cooler, oil filter, oil pressure and temperature sensors, gaskets, and installed o-rings. It is intended to be used as a direct replacement when the factory housing leaks or the integrated sensors fail. Buyers will typically remove the intake components, swap the housing and cooler, transfer or replace the coolant, and reinstall sensors and the supplied oil filter before refilling fluids. The kit’s aluminum cooler and included seals make reinstalling straightforward for a mechanically capable DIYer or an independent shop. Practical benefits include having all necessary parts in one package and the sensor thread sealant to reduce leakage risk. Limitations are that this listing uses a mixed-material housing design rather than a one-piece cast aluminum upgrade and some customers report variable long-term durability, so careful installation and torque control are important to avoid leaks.
Best for: Convenience-driven buyers who prioritize a single-purchase solution that includes sensors and a filter so the repair can be completed quickly with minimal parts sourcing.
Less Ideal for: Buyers seeking a long-term heavy-duty upgrade or a one-piece cast aluminum housing should consider purpose-built upgraded units instead.
- Complete kit: cooler, oil filter, pressure and temperature sensors, gaskets, and o-rings included for a single install.
- Aluminum oil cooler with installed o-rings reduces immediate leakage risk and simplifies assembly.
- Sensor connectors use thread sealant to help prevent oil seepage at fittings.
- Includes a replacement oil filter and cap so you can complete the job in one visit to the garage.
- Housing uses plastic components in the assembly rather than a one-piece aluminum casting which some buyers find less durable.
- Some customers report failures after a few months, indicating variable long-term reliability.
- Gasket quality may be inconsistent, and many installers prefer to replace them with OEM-quality gaskets during installation.
Verdict A convenient all-in-one replacement kit that simplifies a housing/oil cooler swap but sacrifices the durability of a one-piece aluminum upgrade.
3. APSG Toyota Genuine Oil Filter and Aluminum Housing Cap Kit (A1 Full Kit)
| Brand | APSG |
|---|---|
| Material | Aluminum, Paper |
| Thread Size | NPT 3/4" |
| Automotive Fit Type | Vehicle Specific Fit |
This kit replaces the plastic oil filter housing cap with a metal housing cap and includes a matching oil filter, crush washer, and an APSG cap wrench to simplify removal and installation. It is typically used during oil service to avoid cracked or stripped plastic covers and to restore a solid seal at the housing. The aluminum housing offers greater durability and resistance to cracking compared with factory plastic covers, while the supplied wrench and drain washer make routine changes cleaner and easier. The kit lists vehicle-specific compatibility and is presented as a direct replacement that threads on and seals like the factory part. Limitations: the filter element and some minor components are specific to certain part numbers so buyers must confirm fitment for the Mazda CX-5 application before ordering, and a few users report small nuisances such as the included funnel or plastic tooling sticking to the metal cap. Expect a straightforward install for performance-focused owners but verify the exact filter part match for your CX-5 model year and engine variant.
Best for: Performance-oriented buyers who prioritize durable, long-lasting engine components and want a factory-quality replacement that reduces service failures and supports regular DIY maintenance.
Less Ideal for: Buyers who prefer plug-and-play universal aftermarket housings or who do not want to verify part numbers for model-year specific fitment should consider alternatives.
- Aluminum housing cap is far more durable than OEM plastic and reduces risk of cracking during service.
- Includes a dedicated cap wrench and crush washer to simplify installation and ensure a reliable seal.
- Comes with a genuine-style replacement filter designed to meet factory filtration needs.
- Vehicle-specific fitment reduces the chance of mismatch when the correct part number is selected.
- Not guaranteed to fit every model year or engine variant of the Mazda CX-5 without confirming the correct filter part number.
- Some included plastic tools can stick to the metal housing or be awkward to use during drain operations.
Verdict Choose this kit if you want a robust, factory-quality aluminum housing and the basic tools to make oil changes cleaner and more reliable, but confirm the filter part number for your CX-5 first.
4. FOXSTAR Oil Filter Housing Cap Assembly Kit
| Brand | FOXSTAR |
|---|---|
| Material | Plastic and Metal |
| Product Grade | Replacement Part |
| Automotive Fit Type | Vehicle Specific Fit |
| Number of Items | 1 |
This FOXSTAR oil filter housing cap assembly replaces a worn or cracked oil filter cap to restore a proper seal and prevent engine oil leaks. It is built from ABS plastic with metal components and is intended to screw in by hand for a direct-fit installation where the original cap is compatible. In typical use it keeps the oil filter secured and maintains pressure at the filter housing, reducing the chance of oil spurting or seepage from a damaged cap. The listing highlights corrosion, heat, and abrasion resistance and several customers report a fit and finish similar to or better than factory parts. Limitations include that the product is listed for Toyota/Lexus/Scion fitments and the listing does not provide Mazda CX-5 specific compatibility; buyers working on a different vehicle should confirm the cap dimensions and thread type before assuming fit. The kit also includes no detailed installation guide beyond basic hand-threading, so a novice may want a mechanic to verify fitment and torque during replacement.
Best for: Budget-conscious DIYers who prioritize low-cost, practical replacement parts and are comfortable verifying fitment and doing routine maintenance themselves.
Less Ideal for: Owners who need a confirmed, vehicle-specific oil filter housing cap for the Mazda CX-5 or those who prefer parts sold specifically for their vehicle without cross-referencing part numbers.
- Direct-fit replacement design intended to match factory mounting for compatible vehicles
- Combination of ABS plastic and metal parts aimed at improved corrosion and heat resistance
- Easy hand-screw installation that does not require special tools
- Multiple customer reports of reliable sealing with no leaks after installation
- Product listing specifies Toyota/Lexus/Scion fitments and does not list Mazda CX-5 compatibility
- No detailed printed installation instructions or torque guidance included
- Listing relies on buyers to confirm model and part number compatibility before purchase
Verdict A low-cost, factory-style replacement aimed at budget shoppers, but verify Mazda CX-5 compatibility before buying.
5. A-Premium Aluminum Oil Filter Housing Cap Assembly
| Material | Aluminum |
|---|---|
| Thread Size | M16 x 1.5 |
| Automotive Fit Type | Vehicle Specific Fit |
| Includes | O-rings and Drain Plug |
This aluminum oil filter housing cap replaces the common plastic cover used on certain engine families and is intended to reduce the risk of failure from cracks or heat-related deformation. It is installed by screwing the housing onto the filter carrier and comes with O-rings and a drain plug so you can complete the swap without sourcing extra seals. The aluminum construction gives better structural strength and higher temperature tolerance than plastic, which helps stop leaks and makes routine removals less likely to damage the part. Several interchangeable inner tubes are included to match the cartridge support, though some buyers report the supplied tubes may not match every variant and require swapping with the original. A few users found metal debris inside on arrival, so a quick clean before installation is a good precaution. Fitment is vehicle-specific so confirm compatibility with your Mazda CX-5 application before buying; where fit is correct this functions like a long-lasting factory-quality replacement, but incorrect fitment or mismatched inner components will require modification or returns.
Best for: Risk-averse mainstream buyers who prioritize replacing fragile plastic parts with a sturdier, longer-lasting metal part to avoid unexpected failures and workshop visits.
Less Ideal for: Buyers who prefer guaranteed direct-fit parts for a specific Mazda CX-5 model year without testing, or those unwilling to inspect and possibly swap internal components during installation.
- Aluminum construction resists cracking and tolerates higher engine temperatures than plastic.
- Includes O-rings and drain plug so you can install without sourcing additional seals.
- Fits many vehicle-specific applications and accepts a standard Toyota-style oil filter wrench for removal.
- Multiple inner support tubes included to help match different cartridge heights.
- Some units have interior metal shavings out of the box and should be cleaned before installation.
- Interchangeable inner tubes do not always match every vehicle variant, risking improper fit for some engines.
- Several reviewers reported incorrect fitment for certain models, so verification is necessary before install.
Verdict A durable aluminum alternative to plastic filter caps that can extend service life when it fits correctly, but confirm fitment and inspect internal parts before installing.
6. Pilida Aluminum Oil Filter Housing Cap Assembly with Drain Plug
| Brand | Pilida |
|---|---|
| Material | Aluminum |
| Automotive Fit Type | Vehicle Specific Fit |
| OEM Part Number | 15620-31060 1562031060 15643-31050 |
This Pilida aluminum oil filter housing cap replaces a typical plastic housing cover and includes a threaded oil drain plug and O-rings to simplify oil changes. It is designed to screw onto the filter housing, secure the cartridge, and provide a durable sealing surface that resists cracking compared with plastic covers. In everyday use the billet aluminum construction gives a firmer feel during removal and reinstallation and reviewers note clean thread fitment and no noticeable leaks after repeated oil changes. The package lists OEM part numbers and includes basic sealing parts, but some applications may require swapping the factory filter spring or stand for proper filter fit and height. The product is a straightforward DIY upgrade for routine maintenance, offering improved toughness over plastic while keeping installation simple with standard removal tools. Limitations are that it is marketed for specific Toyota/Lexus applications and the listing does not provide vehicle-specific compatibility or Mazda CX-5 fitment, so buyers must verify part interchange before assuming it fits other models.
Best for: A practical optimizer who prioritizes durable, low-cost maintenance upgrades and wants a tougher housing cap to reduce repeat replacements during routine oil changes.
Less Ideal for: Buyers who need a guaranteed, vehicle-specific replacement for a Mazda CX-5 or those unwilling to confirm part interchangeability should look for a confirmed fitment alternative.
- Aluminum construction is more durable than plastic covers and resists cracking under repeated use.
- Includes a threaded oil drain plug and O-rings to simplify oil changes and reduce mess.
- Threads and mating surfaces reported to fit cleanly with factory housings for straightforward installation.
- Listing targets Toyota and Lexus applications; no Mazda CX-5 fitment is stated so compatibility is uncertain.
- May require transferring the original filter spring or stand for correct filter height on some engines.
- Does not include a genuine factory filter element, and some buyers prefer OEM filters for filtration performance.
Verdict A cost-effective aluminum upgrade that improves durability over plastic housings but lacks explicit Mazda CX-5 fitment so verify compatibility before buying.
7. ROVIKE Oil Filter Housing Cap with Drain Plug (15620-36020)
| Brand | ROVIKE |
|---|---|
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Manufacturer Part Number | 15620-36020 |
This ROVIKE oil filter housing cap replaces the factory housing and includes the cap plug and gasket needed for an oil service. It installs in place of the original housing and is intended for routine oil changes or when the original cap is cracked or leaking. The part is injection-molded ABS plastic and is marketed as a vehicle-specific direct replacement; the included drain plug simplifies draining residual oil during a filter change so you get a tidier service. Reviewers report consistent fit and that the housing stops leaks when the original failed, but because it is plastic you should avoid over-torquing the cap or plug to prevent cracking or thread damage. The assembly is straightforward for a home mechanic who performs regular maintenance, though those who prefer metal housings for longevity may want a different material. Gasket and plug are supplied, which reduces the need to source extra parts at installation.
Best for: Balanced, practical owners who want a reliable, ready-to-install replacement part for routine maintenance and prefer a straightforward, cost-effective fix.
Less Ideal for: Buyers seeking a long-term metal upgrade or heavy-duty part for extreme-duty use should consider aftermarket metal housings instead.
- Direct replacement design that fits without modification for compatible applications
- Includes drain plug and gasket so you can complete an oil service without extra parts
- Made from molded ABS for corrosion resistance and consistent dimensions
- Multiple user reports of resolving leaks when replacing worn housings
- Plastic construction can crack or strip if over-tightened
- Not a metal upgrade so it may have shorter long-term durability compared with alloy housings
Verdict A convenient, ready-to-install plastic replacement housing with plug and gasket that fixes leaks and simplifies oil changes, but it is not a metal upgrade.
Choosing the Right Mazda CX-5 Oil Filter Housing: Key Factors to Consider
Fitment and Compatibility
Correct fitment ensures the housing aligns precisely with the engine block, oil passages, and mounting points. A housing that fits properly minimizes installation headaches, prevents misalignment that can stress bolts or seals, and guarantees that oil flows as designed.
Compatibility also covers whether the housing accepts the proper filter size and orientation used on the Mazda CX-5. Choosing a housing specified for this vehicle reduces the chance of clearance issues with surrounding components and makes routine service faster and less error prone.
Material and Construction Quality
Materials influence how the housing responds to heat, vibration, and chemical exposure. Alloys and reinforced polymers have different strengths: metal housings typically resist impact and creep better, while high-grade polymers can offer corrosion resistance and lower weight.
Look for housings with solid wall thickness, consistent molding or machining, and clean finish at sealing surfaces. Construction quality affects long-term durability and the likelihood of hairline fractures or distortion that lead to leaks.
Sealing System and Gasket Design
The sealing interface is the most common source of oil leaks. Effective gasket design and well-machined sealing faces reduce the chance of seepage under pressure and thermal cycling. Some housings use integrated O-rings, others rely on flat gaskets; each approach requires proper surface finish and correct compression.
Consider whether replacement gaskets or seals are readily available and how the housing secures the gasket during installation. A secure, well-engineered seal reduces routine maintenance and the risk of oil loss.
Resistance to Cracking and Thermal Stress
Oil filter housings are exposed to temperature swings and engine vibration, which can cause cracking over time. Materials and design that accommodate thermal expansion and absorb vibration will usually last longer.
Examine features such as ribbing, gradual wall transitions, and bonded joints that distribute stress. A housing designed to resist cracking will lower the chance of sudden failures that cause oil loss and engine damage.
Serviceability and Accessibility
A housing that is easy to access and service makes oil changes quicker and reduces the chance of installation errors. Consider how the housing is mounted, the space around it, and whether it allows filter removal without extensive disassembly.
Serviceability also covers whether common tools can be used, and whether replacement seals and filters are straightforward to install. Better service design results in faster maintenance and fewer mistakes during routine work.
Durability Under Pressure and Flow Conditions
The housing must withstand internal oil pressure and maintain proper flow to the filter and engine. Poorly designed flow paths or weak structures can deform under pressure, leading to leaks or reduced oil delivery.
Look for housings with proven flow geometry, robust mounting points, and pressure-tested designs. Durability under expected operating pressures helps ensure consistent oil pressure and protects engine components over time.
FAQ
What are the common signs of a failing oil filter housing on a Mazda CX-5?
Common symptoms often include visible oil leaks around the housing, oil odor in the engine bay, or a drop in oil pressure warning. You might also notice oil residue pooling beneath the vehicle after it has been parked. These signs usually indicate a sealing issue, a cracked housing, or loose fasteners. It is wise to inspect the housing and related seals promptly when you observe these symptoms.
Can I replace the oil filter housing myself?
Replacing the housing is often doable for someone with moderate mechanical skills and basic tools. The job typically involves draining some oil, loosening mounting bolts, and carefully removing the old gasket or seal. However, correct torque on fasteners and clean sealing surfaces are important to prevent leaks. If you are unsure about access or torque specifications, consult a repair manual or a professional.
How important is the gasket when addressing an oil filter housing leak?
The gasket or seal is critical because most leaks originate at the mating surface between the housing and engine. A damaged or improperly seated gasket often causes slow seepage or more obvious leaks under pressure. Replacing the gasket during housing service and ensuring the mating surfaces are clean and undamaged greatly reduces the chance of recurring leaks.
What causes an oil filter housing to crack?
Cracking usually results from repeated thermal cycling, vibration, impact, or overtightening of bolts. Materials with low fatigue resistance or thin cross-sections are more vulnerable to hairline fractures over time. Addressing root causes such as uneven bolt torque or engine mount issues can help extend housing life, along with choosing a housing designed to withstand expected stresses.
Do I need a specific part number for my Mazda CX-5 oil filter housing?
Using a housing that matches the vehicle’s specified part number or fitment data ensures proper alignment of oil passages and mounting points. Fitment details are important because even small deviations can affect sealing and flow. If you cannot confirm a part number, verify dimensional and mounting compatibility before installation to avoid fitment problems.
How We Chose the Best Mazda CX-5 Oil Filter Housing
We focused on factors that matter specifically to Mazda CX-5 owners and to the oil system’s long-term reliability. Our selection process prioritized housings designed to match the vehicle’s OEM mounting points and fluid passages, inspected material quality and resistance to common failure modes, and considered the effectiveness of sealing surfaces and gasket interfaces. We also evaluated ease of maintenance, including access for filter changes and compatibility with standard tools, plus resistance to cracking under thermal cycling. From an exclusions standpoint, we filtered out housings with unclear fitment information, unverified construction materials, or that required extensive modification to install. We did not include products that had documented recurrence of leaks or that relied on nonstandard sealing methods. The final list emphasizes correct fitment, durable materials, reliable seals, and straightforward installation procedures.
Our full evaluation process is outlined in our review methodology.
Conclusion
When choosing an oil filter housing for a Mazda CX-5, prioritize correct fitment, reliable sealing, and durable construction. Those elements have the biggest impact on preventing leaks and keeping oil flowing properly under varying operating conditions. Balance serviceability with material robustness: a unit that is easy to access and has replaceable seals will simplify maintenance, while strong materials and thoughtful design reduce the risk of cracking and long-term failure. Focus on these tradeoffs to select a housing that matches your maintenance preferences and durability expectations.
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