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Choosing the right oil filter housing for your Scion xD matters because a poor fit or a leaking housing can lead to oil loss and engine damage. You want a housing that seals properly, installs cleanly, and stands up to heat and vibration so your engine oil stays where it belongs. This guide highlights six shortlisted options that met our selection criteria for fitment, sealing performance, and durability. Below we explain the factors we used to evaluate each housing and what to look for when replacing the unit on your vehicle.
Looking for other parts? See all Scion xD 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 with O-Ring |  |
| Best Quality Built to a higher standard if you want something more solid | APSG Genuine Aluminum Oil Filter Housing Cap Kit with Wrench and Crush Washer |  |
| Best Budget The cheapest option that still gets the job done reliably | X AUTOHAUX Engine Oil Filter Housing Cap for Scion xD |  |
| Most Sold A high-volume bestseller chosen again and again | royaron Genuine Engine Oil Filter Housing Cap, Drain Plug Washer and Wrench Kit |  |
| Best Value for Money The sweet spot between price and what you get | DPTOOL 64.5mm Oil Filter Cap Wrench (14-Groove, 6-Slot) |  |
| Best Overall The best all-around choice for most situations | Recajia Aluminum Oil Filter Housing Cap Assembly with Drain Plug |  |
1. A-Premium Oil Filter Housing Cap Assembly with O-Ring
| Manufacturer Part Number | APOFH012PC |
|---|---|
| OEM Part Number | 15620-37010, 1562037010, 19185631, 917-039 |
| Package Contents | 1 x Oil Filter Housing Cap, 1 x O-Ring |
| Brand | A-Premium |
This A-Premium oil filter housing cap replaces the factory cap on compatible 1.8L Toyota/Scion engines and includes a replacement O-ring so you can perform a complete cap swap. Made from engineering-grade plastic to resist engine-bay heat, the cap is molded to match factory geometry so the oil filter seats properly and the cap threads and seal align without modification. Installation is straightforward: swap the old cap for the new one, tighten to spec, and the grippy texture helps hand-tighten or use a tool for final torque. Practical benefits include fixing leaks caused by a damaged O-ring or cracked cap and avoiding a more expensive dealer part. Limitations are that this is a direct replacement part only and does not include an oil filter or additional hardware, and the longevity depends on proper installation and torque; users should follow manufacturer tightening instructions to avoid cross-threading or stress on the plastic.
Best for: A reliability-focused buyer who wants a low-risk, factory-style replacement cap to prevent oil leaks and maintain scheduled maintenance intervals on a Scion xD.
Less Ideal for: Drivers looking for performance upgrades, reusable service parts, or a kit that includes the oil filter and extra hardware should consider alternatives.
- Engineered to match factory fit for straightforward replacement
- Includes a new O-ring for a complete cap-and-seal swap
- Heat-resistant engineering plastic construction for durability under engine temperatures
- Grippy design eases hand installation and speeds routine oil service
- Does not include the oil filter itself or additional mounting hardware
- Durability depends on correct torque during installation to avoid cracking
Verdict A cost-effective, factory-style replacement cap with an O-ring that restores a proper seal and stops leaks when correctly installed on compatible Scion xD 1.8L models.
2. APSG Genuine Aluminum Oil Filter Housing Cap Kit with Wrench and Crush Washer
| Brand | APSG |
|---|---|
| Material | Metal,Plastic |
| Thread Size | M16 x 1.5 |
| Product Grade | Replacement Part |
This kit replaces the factory plastic oil filter housing cap with a metal housing cap and supplies a matching cap wrench plus a crush washer for the drain plug. Designed as a direct replacement, the aluminum cap resists cracking and deformation under torque better than plastic, which makes removes and installs during routine oil changes less risky. The included wrench is sized to fit the housing and simplifies removal in tight engine bays, while the crush washer provides a proper seal when you reinstall the drain plug. Installation follows normal oil-change steps and for performance-minded owners the metal cap reduces the chance of cap failure under repeated service or high-heat conditions. Be aware this is a vehicle-specific fit and may require swapping a metal tube or using a shorter oil filter in some applications, so double-check fitment for your Scion xD and inspect any adjacent components during install. The kit focuses on durability and serviceability rather than cosmetic changes.
Best for: Performance-oriented owners who prioritize durability and reliable serviceability during frequent oil changes and want a robust upgrade over the factory plastic cap.
Less Ideal for: Owners who prefer a purely cosmetic upgrade or who are unwilling to check fitment details and make minor plumbing adjustments during installation.
- Aluminum housing cap is more durable than factory plastic and resists cracking under torque.
- Includes a purpose-fit cap wrench to make removal and installation easier in tight spaces.
- Supplies a crush washer so the drain plug can be resealed during the oil change.
- Direct replacement design intended to match factory fit and function for compatible vehicles.
- May require swapping a metal tube or using a shorter oil filter in some vehicle setups.
- Vehicle-specific fit means you must verify compatibility with your Scion xD before purchase.
Verdict Swap the plastic cap for this aluminum kit if you want a tougher, service-friendly housing cap that reduces failure risk during repeated oil changes on your Scion xD.
3. X AUTOHAUX Engine Oil Filter Housing Cap for Scion xD
| Thread Diameter | M75x3.0 |
|---|---|
| Closure Type | Twist-On |
| Material Type | Plastic, Metal |
| Fitment | Scion xD (listed years) |
This X AUTOHAUX oil filter housing cap is a budget-focused replacement intended to screw onto the engine's oil filter housing on Scion xD models. It is marketed as a direct-fit, twist-on replacement that matches the factory thread size and installs without special tools, so you can swap it during a routine oil change. The part combines plastic and metal components and the listing emphasizes improved durability versus basic aftermarket pieces. In practice this cap will perform the basic job of sealing the oil filter housing and allowing normal oil service, and reviewers report many successful installs and good fitment. However there are notable quality inconsistencies reported, including some cases of leaking and missing O-rings that can cause serious oil loss if not caught. For a budget buyer this cap can save money compared with dealer parts, but it is worth inspecting the seal and threads on arrival and keeping a close eye on the engine after first use to confirm a leak-free installation.
Best for: Budget-conscious owners looking to replace a damaged or lost oil filter housing cap on a Scion xD and who prioritize low upfront cost and quick DIY installation.
Less Ideal for: Owners who need a guaranteed factory-quality replacement or who prefer to avoid any risk of oil leaks should consider factory-quality parts or professional sourcing instead.
- Vehicle-specific fit designed for Scion xD for straightforward replacement
- Twist-on closure makes installation possible without special tools
- Combination of plastic and metal parts aims to balance cost and durability
- Matches factory thread specification for direct replacement intent
- Inconsistent quality reported by multiple users including cases of leaks
- May arrive without an O-ring requiring an additional purchase
- As an aftermarket non-OEM part long-term reliability is less certain than factory replacements
Verdict A low-cost, direct-fit replacement for Scion xD that can save money but requires careful inspection and installation due to mixed quality reports.
4. royaron Genuine Engine Oil Filter Housing Cap, Drain Plug Washer and Wrench Kit
| Operation Mode | Mechanical |
|---|---|
| Material Type | Aluminum, Plastic |
| Head Style | Round |
| Package Quantity | 5 |
This kit bundles factory-quality replacement components you would use when servicing the oil system on a Scion xD: a metal oil filter housing cap, an oil filter element, a drain plug washer, and a cast cap wrench. The metal housing cap replaces the common plastic cap and makes future removal and installation sturdier and less prone to cracking. Installation is a direct replacement process used during an oil change and is intended to be fitted in place of the original housing cap and filter tube. The included oil filter and OEM-style washer simplify a single-stop service job. The cast wrench provides a basic removal tool, though several buyers report it fits loosely or can break under heavy torque, so a dedicated aftermarket filter wrench may be a better long-term choice. Recommended for buyers who want factory-spec replacement parts and a more durable cap compared with the stock plastic version, but expect to use a better-fitting tool for repeated service or professional installation if unsure about fitment.
Best for: Risk-averse mainstream buyers who prioritize factory-quality replacements and want a straightforward, OEM-style repair for their Scion xD to avoid plastic-cap failures.
Less Ideal for: Buyers seeking a premium long-term service toolset or those who plan frequent DIY oil changes and want a high-quality dedicated wrench should consider separate aftermarket tools.
- Includes genuine factory replacement parts (housing cap, oil filter, drain plug washer) for a single oil service.
- Metal housing cap offers greater durability than the typical plastic factory cap.
- Packaged kit reduces parts sourcing and ensures compatible OEM-style components.
- Powder coated aluminum finish resists corrosion and looks OEM-quality.
- Included cap wrench has fit and durability issues reported by users and may not hold up to heavy use.
Verdict A convenient OEM-style replacement kit that upgrades the fragile plastic cap to a firmer metal housing cap, but plan to use a better wrench for repeated servicing.
5. DPTOOL 64.5mm Oil Filter Cap Wrench (14-Groove, 6-Slot)
| Head Style | Fixed Square |
|---|---|
| Material Type | Chromium Molybdenum Steel |
| Item Length | 64.5 Millimeters |
| Included Components | Oil Filter wrench |
This DPTOOL 64.5mm cap-style oil filter wrench is built to engage the small ears on factory filter housings and remove them without slipping. The tool has 14 grooves and 6 slots so it can bite into different housing profiles; it accepts a 3/8" drive ratchet, breaker bar, or a 27mm wrench for turning. In practice it makes routine oil changes faster and cleaner because it transfers torque evenly across the cap instead of prying on the plastic housing. The chromoly steel construction and painted finish give it decent durability for DIY use, though a few users report the cast finish can mark housings and some cheaper cast examples may fit loosely. It is compact and easy to store with your basic hand tools, and works well when you avoid over-torquing with a ratchet. If you need a heavy‑duty shop-grade tool that will withstand frequent high-torque use, a thicker professional unit will be more durable, but for occasional home maintenance this wrench balances function and cost effectively.
Best for: Practical optimizers who want a low-cost, effective tool to do occasional DIY oil changes and extend the life of routine maintenance without buying a pro shop set.
Less Ideal for: Professional mechanics or shops that need a heavy-duty, high-torque tool for daily use should choose a thicker, shop-grade wrench built for continuous service.
- 64.5mm cap fits factory-style filter housings used on many Toyota/Lexus/Scion engines
- 14 grooves and 6 slots provide multiple contact points to reduce slipping
- Works with common 3/8" drive tools or a 27mm wrench for easy use with household toolsets
- Chromium molybdenum steel offers better strength than stamped sheet metal alternatives
- Some cast units can leave marks on plastic housings if used without care
- A few customers report a loose fit on certain housings requiring a different size or higher-precision tool
Verdict A budget-friendly, chromoly cap wrench that handles routine filter-housing removal on Scion xD and similar Toyota-based models if used carefully to avoid marking the housing.
6. Recajia Aluminum Oil Filter Housing Cap Assembly with Drain Plug
| Replaces part number | 15620-40030, 1562040030 |
|---|---|
| Material | Aluminum |
| Package includes | Oil filter housing cap and oil plug drain |
This aluminum oil filter housing cap from Recajia replaces the factory plastic cap and includes a threaded oil drain plug for easier oil changes. It is designed to seal the oil filter housing and prevent leaks while withstanding engine bay pressure and occasional impacts better than plastic housings. Typical use is as a direct replacement during routine maintenance or when the original housing cracks or leaks; install involves hand-threading and a light wrench torque to seat the cap and plug. Notable features are the metal construction for improved durability and the included oil plug that lets you drain residual oil from the filter housing without removing the entire assembly. Practical benefits include fewer broken housings during removal and a cleaner oil change process. Limitations to consider are that this is an aftermarket part so fit and internal clearance can vary with different filter cartridges, and a few users report tighter threading tolerances and possible fitment issues with some filter elements, which may require verifying cartridge length or reusing the factory filter holder in rare cases.
Best for: Balanced owners who want a durable, longer-lasting alternative to a plastic filter cap and value a cleaner, easier oil change process without choosing an extreme performance upgrade.
Less Ideal for: If you prefer strictly OEM parts or need guaranteed compatibility with a specific filter cartridge length, consider sticking with factory replacement components or verifying fit before installation.
- Aluminum shell more resistant to cracking and overtightening than plastic alternatives
- Includes a threaded oil drain plug for easier, cleaner oil changes
- Aftermarket replacement for part number 15620-40030 so it matches common factory mounting points
- Appears well machined with smooth threads for a tight seal when properly installed
- Aftermarket internal dimensions may differ from factory and can interfere with some filter cartridges
- Some units have tight threading tolerances that require a wrench to start threading
- Drain plug and gasket add another serviceable part that can leak if not installed correctly
Verdict A durable aluminum replacement with a built-in drain plug that simplifies oil changes, but verify cartridge clearance since aftermarket internal dimensions can differ.
Choosing the Right Scion xD Oil Filter Housing: Key Factors to Consider
Fitment and Compatibility
Correct fitment is the first priority because the housing must match the Scion xDs mounting points, oil passages, and filter interface. A housing that is even slightly misaligned can stress the oil filter, compromise sealing surfaces, or place strain on adjacent engine components.
Check that bolt patterns, thread sizes, and oil cooler ports if present correspond to the vehicles specifications. Precise compatibility reduces the risk of leaks and makes installation faster and less error-prone.
Gasket and Seal Quality
The gasket and any integrated seals are the usual failure points for oil filter housings. Materials like high-grade nitrile or fluoroelastomer resist oil, heat, and aging better than cheaper rubber compounds, reducing the chance of leaks over time.
Also look for housings that include a new gasket or O-ring and have well-machined sealing surfaces. A good seal design makes torque specifications less critical in practice and helps ensure a reliable oil-tight connection after installation.
Material Strength and Resistance to Cracking
Housings experience thermal cycling and vibration, so the base material and casting quality matter. Reinforced aluminium or high-strength composite materials handle heat and stress differently; examine reported resistance to cracking and warping in service environments.
Thicker wall sections around bolt bosses, uniform casting, and minimal porosity reduce the likelihood of stress fractures. Consider how the material will cope with cold starts, repeated oil changes, and extended driving.
Sealing Design and Leak Prevention
Beyond gasket material, the overall sealing design influences long-term leak performance. Features like recessed gasket grooves, redundant O-ring seats, or smooth machined faces help maintain pressure integrity and stop oil seepage at critical joints.
A design that minimizes exposed threads or channels oil away from fasteners can also reduce visible leaks under the engine. Evaluate whether the housing design addresses common leak points and promotes clean, contained service.
Ease of Installation and Serviceability
A housing that is straightforward to service saves time and reduces the chance of installation errors. Consider whether the housing provides clear access to the oil filter, uses standard fasteners, and includes replacement seals so you do not need separate parts.
Good serviceability also means clear torque guidance, accessible mounting locations, and compatibility with common tools. This factor matters for DIYers and technicians alike because it influences how reliably the job gets done.
Documentation and Part Number Clarity
Accurate documentation and an explicit part number help ensure you pick the correct housing for the Scion xD. Clear labeling prevents ordering the wrong variant and supports matching replacement gaskets or seals.
Look for housings that reference the vehicle model year or engine code and provide installation notes. Well-documented parts reduce uncertainty and simplify maintenance planning.
FAQ
How can I tell if the oil filter housing on my Scion xD is leaking?
Common signs include visible oil pooling under the engine, oil on the housing exterior, a dropping oil level between changes, or a burning oil smell after driving. Inspect the gasket area and nearby seals for wetness. Light seepage can sometimes be tightened or resealed, but persistent or worsening leaks usually indicate a need for a new gasket or housing replacement.
Do I always need a new gasket when I replace the oil filter housing?
Most professionals recommend installing a new gasket or O-ring whenever the housing is removed. Old gaskets compress and age, which increases the risk of leaks when reinstalled. A fresh gasket ensures the sealing surfaces mate correctly and reduces the chance of having to revisit the job shortly after replacement.
What causes oil filter housing cracking on the Scion xD?
Cracking often results from thermal cycling, overtightening of fasteners, or pre-existing casting defects that grow under vibration. Road debris and corrosion can also contribute over time. Choosing a housing with robust material and careful installation practices helps minimize the risk of cracking.
Can I replace the oil filter housing myself, or should a technician do it?
Many mechanically inclined owners can replace the housing with basic tools, clear instructions, and attention to torque specs. The task requires proper seal replacement and careful handling to avoid cross-threading. If you lack experience with engine work or the mounting is hard to access, a technician can ensure correct fitment and reduce leak risk.
What are the symptoms that the oil filter housing gasket is failing?
Symptoms include slow oil leaks at the gasket seam, oil on adjacent engine components, and gradually decreasing oil level. You may also notice oil collecting on the underside of the vehicle or light smoke if oil contacts hot surfaces. Early detection through inspection helps avoid more serious oil loss.
How important is the oil filter housing part number when ordering a replacement?
The part number is important because it confirms the exact variant that matches your Scion xDs engine layout and any accessory ports. Using the correct part number reduces the risk of fitment errors and ensures the replacement includes the required sealing features. Cross-referencing vehicle details and engine codes is a reliable way to verify compatibility.
How We Chose the Best Scion xD Oil Filter Housing
We focused on parts and rebuild options designed specifically for the Scion xD and applied practical, service-oriented filters to narrow the field. Key evaluation criteria included precise OEM-equivalent fitment, gasket and seal material quality, resistance to cracking and deformation under heat, and the housings ability to prevent common leak points. We also considered ease of installation, compatibility with standard oil filters, and the availability of clear part numbers or documentation that aid proper replacement. We excluded generic universal housings and any options lacking clear fitment data for the Scion xD. We did not include items with persistent reports of seal failure, visible casting flaws, or ambiguous part-number information. The final list emphasizes housings that balance durability, sealing integrity, and straightforward installation for routine maintenance.
Our full evaluation process is outlined in our review methodology.
Conclusion
When replacing the oil filter housing on a Scion xD, prioritize correct fitment, high-quality gaskets, and a housing material that resists cracking and deformation. Those factors most directly affect leak prevention and long-term reliability. Balance ease of installation and clear part-number documentation with sealing performance. Taking time to confirm compatibility and using fresh seals during installation will minimize the chance of repeat service and keep engine oil where it belongs.
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