Note: This article contains affiliate links. If you click on these links and make a purchase, I may earn a small commission at no extra cost to you. This helps support my research and content. Read my full affiliate disclaimer here.
If you drive a Buick Regal, a properly functioning oil filter housing is essential to keep engine oil clean and prevent leaks that can lead to costly repairs. Picking the right housing matters because the wrong part can cause poor sealing, premature failure, or fitment issues that affect engine performance. This guide covers seven shortlisted oil filter housings selected for their fitment accuracy, seal reliability, and ease of installation. Read on to understand the evaluation criteria used and what to watch for when selecting a replacement, then review the top picks for this vehicle.
Looking for other parts? See all Buick Regal parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | Yinlowa Aluminum Oil Filter Housing Cap Assembly with Oil Plug (15620-31060) |  |
| Most Popular A crowd favorite that many people choose with confidence | MITZONE Engine Oil Cooler and Filter Housing Assembly with Gaskets |  |
| Best Quality Built to a higher standard if you want something more solid | A-Premium Aluminum Engine Oil Cooler and Filter Housing Assembly Kit |  |
| Best Budget The cheapest option that still gets the job done reliably | FARLEYO Aluminum Oil Filter Housing Cap |  |
| Most Sold A high-volume bestseller chosen again and again | A-Premium Engine Oil Cooler and Filter Housing Assembly with Gaskets |  |
| Best Value for Money The sweet spot between price and what you get | Pilida Aluminum Oil Filter Housing Cap Assembly Kit (15620-31060) |  |
| Best Overall The best all-around choice for most situations | CYTROBE Engine Oil Cooler Filter Housing Assembly with Gasket and Cap |  |
1. Yinlowa Aluminum Oil Filter Housing Cap Assembly with Oil Plug (15620-31060)
| Material | Aluminum |
|---|---|
| Product Grade | Replacement Part |
| Automotive Fit Type | Vehicle Specific Fit |
| OEM Part Number | 15620-31060 / 1562031060; Plug 15643-31050 / 1564331050 |
This aluminum oil filter housing cap assembly replaces the common plastic cap and includes the oil plug and o-ring for a one-piece replacement. It is designed to be a direct-fit, threaded cap that screws in by hand and can be snugged with a wrench, making it suitable for routine oil changes and DIY maintenance. The aluminum construction resists cracking from over-tightening and high under-hood temperatures better than plastic, which reduces the chance of oil leaks and repeated replacements. The kit ships with a gasket and plug so you can swap the part in one stop, and multiple owner reports indicate reliable seals and durable service under towing and normal driving. Some users noted slight differences in internal shaft or filter length versus the original, which could matter if exact OEM dimensions are critical. Also this is an aftermarket part rather than a factory part, so fit verification against the Buick Regal's engine part number is recommended before installation.
Best for: Reliability-focused buyers who prioritize long-term durability and fewer maintenance visits and want a straightforward upgrade to prevent cap cracking and oil leaks.
Less Ideal for: Buyers seeking factory-branded Buick parts or those unwilling to verify part number and fitment should consider a dealer or OEM replacement instead.
- Aluminum construction more durable than stock plastic and resistant to cracking.
- Includes oil drain plug and o-ring so you get a complete replacement in one purchase.
- Marketed as direct-fit for vehicles listed, allowing straightforward DIY installation.
- Reported to hold up under towing and higher engine loads without leaks.
- Aftermarket part so dimensions can vary slightly from factory units which may affect fit in some engines.
- Not a vehicle-specific branded Buick part, so buyers should confirm compatibility before replacing.
Verdict A durable aluminum replacement that reduces the common failure of plastic oil filter caps, but confirm fitment against your Buick Regal's part number before buying.
2. MITZONE Engine Oil Cooler and Filter Housing Assembly with Gaskets
| Material | Aluminum |
|---|---|
| Thread Size | M20 x 1.5 |
| Vehicle Service Type | 1.4L turbo vehicles (vehicle-specific fit) |
| Manufacturer | KULADI |
This MITZONE kit replaces the oil cooler and filter housing on compatible 1.4L turbo engines and ships with the cooler, housing, cap, preinstalled filter, and multiple gaskets to simplify installation. It is designed as a direct replacement for the factory-style assembly and is typically used when the original housing leaks, the cooler fails, or during a refresh of the oiling system. The aluminum construction and included gaskets make it suitable for a one-piece swap without sourcing additional seals in most cases. Buyers will appreciate the convenience of a bundled filter and cap which cuts installation steps and trip to parts stores. Some buyers reported missing or damaged seals and one instance of a plastic cap failure, so careful inspection before install and replacing fasteners or O-rings if missing is prudent. Fitment is vehicle-specific, so confirm compatibility before purchase. For routine DIY replacements or shop installs where you want a ready-made kit, this is a practical option; if you need guaranteed factory-quality parts or new fasteners included, you may want to verify details first.
Best for: Convenience-driven DIYers or independent shops looking for a ready-made, vehicle-specific replacement kit to speed a straightforward oil cooler/housing swap and avoid sourcing multiple parts.
Less Ideal for: Buyers seeking guaranteed factory-original parts, included new fasteners, or those who prefer sourcing premium branded components individually should consider other options.
- Includes oil cooler, housing, cap, oil filter insert, and multiple gaskets for a single-package replacement
- Aluminum construction intended to match factory-style performance
- Preinstalled oil filter reduces steps during installation
- Vehicle-specific fit design aimed at direct replacement compatibility
- Some customers reported missing seals or damaged components on arrival
- A few reviews describe premature failure of the plastic filter cap
- Does not consistently include replacement fasteners or all O-rings
Verdict A convenient, all-in-one replacement oil cooler and filter housing kit for compatible 1.4L turbo vehicles that speeds installation but warrants inspection of included seals and cap before fitting.
3. A-Premium Aluminum Engine Oil Cooler and Filter Housing Assembly Kit
| Material | Aluminum |
|---|---|
| Product Grade | Replacement Part |
| Automotive Fit Type | Vehicle Specific Fit |
| OEM Part Number Reference | 918-432, 918432, 93186324, 25199751, 55353323 |
This aluminum engine oil cooler and filter housing kit is a direct-replacement assembly that combines the oil cooler, filter housing, filter, gaskets, cap and fastening bolts into a pre-assembled package for straightforward installation. It is designed to lower oil temperatures through its aluminum cooler while restoring the factory-style filter housing function, so it is typically used when an oil cooler or housing is leaking or damaged. The kit ships with the main sealing components and fasteners, which reduces parts-sourcing during a repair, but some small coolant transfer tube O-rings are not included and may need to be purchased separately. Buyers report reliable fit and sealing on correct engines and that the cooler helps maintain oil viscosity under load. Because it is a replacement-grade aftermarket part, finish and edge smoothness can vary, and long-term durability will depend on installation and maintenance. For a performance-minded owner focused on keeping oil temperatures in check and restoring proper filtration, this kit offers a practical, mostly complete solution with a small risk of needing a couple of extra seals at installation.
Best for: Performance-oriented owners looking to control oil temperatures and restore a factory-style filtration system after a leak or failure; suitable for hands-on owners or shops prioritizing engine longevity under load.
Less Ideal for: Drivers who want an OEM-branded part with guaranteed factory finish or those who prefer a plug-and-play purchase with every possible small seal included.
- Includes oil cooler, filter housing, oil filter, gaskets, cap and mounting bolts for a near-complete install
- Aluminum cooler assists in reducing oil temperature to help preserve viscosity under load
- Pre-assembled package reduces disassembly/reassembly steps during replacement
- Compatible with listed GM L4 1.6L and 1.8L applications for straightforward fit when matched
- Does not include certain small coolant transfer tube O-rings that some installations require
- Surface finish and edge quality can be slightly rough on some units compared with factory parts
Verdict A mostly complete aluminum cooler and housing kit that helps lower oil temps and restore filtration, but expect to source a couple of small seals during installation.
4. FARLEYO Aluminum Oil Filter Housing Cap
| Material Type | Aluminum |
|---|---|
| Compatible with Vehicle Type | Car |
| Closure Type | Twist-On |
This FARLEYO aluminum oil filter housing cap replaces the factory plastic cover and is intended to reduce heat-related cracking and oil leaks. It installs in place of the original cap and is used whenever the oil filter element is accessed for service. The housing is machined from aluminum, which improves thermal resistance and corrosion resistance compared with plastic, and the listing notes direct-replacement fit and pre-delivery testing. Buyers will appreciate the stronger construction and the potential for improved sealing at higher engine temperatures. Several customers report easy installation and a good fit when hand‑tightened at the end of the install, though some users tightened with tools to achieve a leak-free seal. Limitations include occasional reports of installation requiring extra torque and one negative review citing higher measured filter temperature; because this is an aftermarket part, fit and final sealing depend on proper gasket seating and correct installation technique. For a budget-conscious replacement that aims to outlast the stock plastic cap, this is a practical option if you follow recommended installation care.
Best for: Budget-conscious Buick Regal owners who prioritize a lower-cost, more durable replacement to the factory plastic oil filter cap and are comfortable following careful installation steps.
Less Ideal for: Buyers seeking a guaranteed OEM-equivalent part from the dealer or those unwilling to verify fitment and follow recommended installation torque and gasket seating procedures.
- Aluminum construction offers better heat and corrosion resistance than the stock plastic cap
- Marketed as direct replacement with pre-factory testing for straightforward installation
- Multiple user reports of improved durability and reliable sealing when installed correctly
- Compact twist-on closure matches original installation style for routine oil changes
- Some installers needed to apply additional torque with tools to stop leaks instead of hand‑tightening
- At least one report mentioned unusually high surface temperature near the filter after fitment
Verdict A cost-effective aluminum upgrade to the plastic oil filter cap that improves durability for Buick Regal owners if installed carefully.
5. A-Premium Engine Oil Cooler and Filter Housing Assembly with Gaskets
| Material | Aluminum |
|---|---|
| Product Grade | Replacement Part |
| Vehicle Service Type | Fit Buick, Chevrolet |
| OEM Part Number | 55566784, 650039, 88179-91400, 55593189, 55594651, 55565385, 918-428 |
This oil cooler and filter housing assembly replaces the factory housing on 1.4L turbocharged engines and arrives pre-assembled with the oil filter, cap, cooler, and upgraded gaskets to simplify installation. It is intended to restore proper oil routing and provide faster oil cooling through a multi-layer aluminum cooler, which helps reduce oil temperature under load and improve lubrication. Typical use is direct replacement of a failed or leaking housing on compatible Buick/Chevy 1.4L turbo models; having the filter included saves a step during service. Practical benefits include an aluminum cooler for better heat dissipation and vehicle-specific fitment claims that aim to match factory mounting points. Important limitations are mixed reliability reports from users and occasional fitment adjustments reported during installation, so careful pre-purchase verification and professional installation are advisable for a risk-averse buyer. This part can be a cost-effective repair when it fits cleanly, but buyers should expect to confirm compatibility and inspect sealing surfaces during installation.
Best for: Risk-averse mainstream buyers looking for a direct replacement to repair a leaking or failed oil filter housing on Buick 1.4L turbo vehicles and who prioritize restoring safe, factory-like operation without performance upgrades.
Less Ideal for: Do not choose this if you require guaranteed dealer-level parts coverage or need a performance upgrade solution; professional mechanics who prefer OEM-sourced components may prefer dealer parts instead.
- Pre-assembled unit including oil filter, cap, and gaskets for faster installation
- Aluminum multi-layer oil cooler improves oil heat dissipation compared with plastic housings
- Vehicle-specific fitment for Buick/Chevrolet 1.4L turbo engines reduces the need for modifications
- Includes upgraded gaskets which may reduce immediate leak risk after installation
- User reports show inconsistent long-term durability and some early failures
- Some buyers needed to modify or adjust mating surfaces for proper fitment
- Not backed by direct dealer replacement part assurance
Verdict A cost-conscious, pre-assembled replacement that can quickly restore oil cooling on Buick 1.4L turbo models but requires careful compatibility checks due to mixed reliability and fitment reports.
6. Pilida Aluminum Oil Filter Housing Cap Assembly Kit (15620-31060)
| Material | Aluminum |
|---|---|
| Fit Type | Vehicle Specific Fit |
| OEM Part Number | 15620-31060 15643-31050 |
| Package includes | Cap, O-rings, drain plug, filter, wrench, support tubes |
This Pilida kit replaces a damaged or plastic oil filter housing cap with a billet-style aluminum assembly and the pieces needed to complete an oil service. It is installed in the same location as the factory housing cap and is intended to be used during routine oil changes or when repairing a stripped or cracked original cap. Notable items include an aluminum cap for improved durability, an included oil drain plug and O-rings to reduce leak risk, a basic replacement filter, a black removal wrench, and support center tubes. In practice the aluminum cap gives a stiffer, more durable feel than the original plastic unit and uses the same removal tool pattern so changing it is familiar for DIYers and shops. Limitations: the supplied filter and support tube may not match every engine variant exactly, so you may prefer using a manufacturer filter or swapping springs if required; this is a direct replacement for the listed Toyota/Lexus fitments rather than a Buick Regal-specific part.
Best for: Practical optimizers looking to extend service life on a vehicle part by upgrading a fragile plastic housing to a more durable metal replacement while keeping repair and maintenance costs low.
Less Ideal for: Buyers seeking a direct factory-replacement part matched to Buick Regal engine specifications or those who require an exact OEM filter included should look for a Regal-specific housing or use factory parts instead.
- Aluminum construction is stronger and more heat-resistant than the stock plastic cap
- Includes drain plug and O-rings to simplify installation and reduce leak points
- Ships with a removal wrench and support tubes so it is ready for a DIY oil change
- Designed to match factory mounting pattern for straightforward swap-in
- Supplied oil filter and support spring/tube may not be the preferred choice for all users
- Not marketed or designed specifically for Buick Regal fitment so compatibility is not guaranteed for that vehicle
Verdict A cost-effective aluminum upgrade that improves durability over the plastic housing and bundles basic service items, but verify filter and part fitment for Buick Regal applications.
7. CYTROBE Engine Oil Cooler Filter Housing Assembly with Gasket and Cap
| Material | Aluminum |
|---|---|
| Product Grade | Replacement Part |
| Vehicle Service Type | Car |
| Fits Engine | L4 1.4L Turbocharged |
This CYTROBE assembly combines the oil cooler, filter housing adapter and cap into a single direct-replacement unit meant to restore proper oil cooling and filtration routing on compatible 1.4L turbo engines. It is typically installed when the factory housing leaks, cracks, or the integrated filter mount is damaged; install requires basic engine access and torque to factory fastener specs. The machined aluminum construction resists corrosion better than plastic housings and should provide longer service life under heat exposure. The listing includes gaskets and mounting hardware intended to simplify installation, and the part replaces several factory numbers for straightforward part matching. Some buyers report missing small o-rings in shipments, so verify you have every seal before installing and keep OEM seals as a backup. Fitment is targeted to the 1.4L turbo applications listed, so confirm compatibility with your Buick Regal model year and engine before ordering. This part is a solid choice when you want a metal replacement that mirrors factory form and function, but check packaging contents and expect a competent DIY or professional install for best results.
Best for: Balanced buyers who prioritize a factory-style, longer-lasting replacement and want a single assembly to restore oil cooling performance without hunting down multiple parts.
Less Ideal for: Owners of Buick Regal models that do not use the 1.4L turbo engine or customers who need a guaranteed complete seal kit included with no possibility of sourcing missing o-rings.
- Machined aluminum construction limits corrosion and improves durability versus plastic housings.
- Sold as a complete assembly with gasket and mounting hardware for straightforward replacement.
- Manufactured to match multiple factory part numbers for easier fit confirmation.
- Integrated design replaces the housing and cap in one unit, reducing parts sourcing complexity.
- Some shipments have been reported missing small seals or o-rings, requiring buyers to source replacements.
- Compatibility is limited to 1.4L turbo engine applications so it is not universal for all Buick Regal variants.
Verdict A durable, machined-aluminum direct-replacement housing for 1.4L turbo applications that restores factory-style oil cooling but verify included seals and exact engine fit before installation.
Choosing the Right Buick Regal Oil Filter Housing: Key Factors to Consider
Fitment and Mounting
Accurate fitment is the single most important factor when selecting an oil filter housing for a Buick Regal. The housing must align precisely with engine mounting bosses, bolt patterns, and oil ports so that gaskets and seals compress evenly. Poor fitment can lead to uneven gasket loading and cause leaks or stress concentrations that accelerate cracking.
Check that mounting flanges, bolt hole locations, and port orientations match the vehicle’s engine. Consider whether any ancillary brackets or sensors mount to the housing and ensure the replacement provides the same attachment points to avoid extra adapters or modifications.
Seal and Gasket Quality
The housing’s sealing surfaces and included gaskets determine how well it prevents oil leaks. Materials that resist heat, oil degradation, and compression set will retain sealing force over time. A high-quality gasket or O-ring that matches the groove design reduces the chance of blowouts or seepage at startup.
Pay attention to whether the housing includes replacement seals and whether those seals are made from durable elastomers compatible with engine oil and temperature cycles. Proper groove design and chamfered edges on ports also help guide seals into place during installation.
Material and Structural Strength
Housings are commonly made from aluminum, steel, or reinforced plastics. Material choice affects resistance to cracking, warping, and corrosion under heat and vibration. A structurally robust housing will better tolerate torque from fasteners and resist stress concentrations that cause cracking over time.
Consider the operating environment the housing will see, including engine bay temperatures and exposure to chemical contaminants. Look for smooth castings or machined surfaces at critical sealing areas rather than rough or porous material that can create weak points.
Compatibility with Oil Flow and Pressure
The housing is part of the engine’s oil circulation path, so internal passage geometry and filter orientation must maintain correct oil flow and pressure characteristics. Deviations can affect filter performance, oil delivery to bearings, and overall engine lubrication.
Verify that the replacement preserves or matches the original internal passages and inlet/outlet sizes. If the housing includes integrated pressure ports or sensors, ensure they are placed and sized to work with the engine’s monitoring systems and do not introduce flow restrictions.
Ease of Installation and Serviceability
A housing that is straightforward to install reduces labor time and the chance of installation errors. Features that improve serviceability include accessible fasteners, clear sealing surfaces, and availability of replacement seals or gaskets as separate parts.
Consider how much disassembly is required to reach the housing on your Buick Regal and whether special tools are needed. A design that allows filter and seal replacement without removing unrelated components makes routine maintenance faster and less error-prone.
Resistance to Heat and Vibration
Engine compartments expose the housing to continuous thermal cycling and mechanical vibration. Resistance to these stresses affects long-term sealing and the likelihood of cracking. Materials and design that tolerate expansion and contraction will preserve fit and seal integrity.
Look for housings with reinforced ribs, strain-relief features around bolt bosses, and elastomeric seals that maintain elasticity across the expected temperature range. Properly designed interfaces reduce fatigue and slow down aging of the part.
FAQ
What are common symptoms of a failing oil filter housing on a Buick Regal?
Common signs include visible oil leaks around the housing area, a drop in engine oil level without obvious external leaks elsewhere, and oil smell in the engine bay. You may also notice oil spots under the vehicle after it has been parked. In some cases, degraded sealing can lead to fluctuating oil pressure warnings or dashboard indicators that respond to oil level changes.
Can I replace just the gasket or seal instead of the whole housing?
Often a worn gasket or O-ring can be replaced separately if the housing itself is undamaged and not cracked. Replacing seals is a common first step and can restore a proper seal. However, if the housing shows cracking, warping, or damaged mounting surfaces, a full housing replacement is usually the safer long-term solution.
How do I know the correct oil filter housing part number for my Buick Regal?
The correct part number depends on your Buick Regal’s model year and engine variant. Check your vehicle’s service manual or parts catalog, and match engine codes and production dates. Many parts suppliers also cross-reference by VIN, which can help ensure the part matches engine features such as sensor ports or accessory mounts.
What causes oil filter housing cracking and how can it be prevented?
Cracking is often caused by thermal cycling, vibration, over-tightening of bolts, or using housings made from brittle materials. Prevention includes choosing a housing made from durable material, following correct torque specifications during installation, and replacing seals before they harden and transfer stresses to the housing. Regular inspections can catch early signs of fatigue.
Will replacing the oil filter housing stop an oil filter housing leak immediately?
Replacing a damaged housing or worn seals typically stops leaks if the leak source is the housing assembly. It is important to clean mating surfaces, use the correct gasket or O-ring, and torque fasteners to specification. If the leak stems from adjacent components or a loose connection elsewhere, addressing only the housing may not fully resolve the issue.
How We Chose the Best Buick Regal Oil Filter Housing
We focused on items that fit the Buick Regal precisely and that address the most common failure modes for this component. Our selection criteria emphasized accurate OEM-equivalent fitment, the quality and material of sealing surfaces and gaskets, resistance to cracking under heat and vibration, and ease of installation including required tools and accessible mounting points. We also considered serviceability factors such as availability of replacement seals and standardized part numbers for straightforward sourcing. Durability under thermal cycling and compatibility with the engine's oil flow and pressure characteristics were further filters. We excluded units that lacked clear fitment information for the Buick Regal, housings made from questionable plastic or poorly finished castings, and items without documented gasket or seal quality. We did not include performance-modified or vehicle-specific custom housings that alter oil pressure or flow beyond stock specifications.
Our full evaluation process is outlined in our review methodology.
Conclusion
When choosing an oil filter housing for a Buick Regal, prioritize correct fitment and high-quality sealing components to prevent leaks and ensure reliable oil circulation. Balance material strength and resistance to thermal and mechanical stress against ease of installation and availability of replacement seals. Accept that tradeoffs exist: a very rigid housing may resist cracking but require precise torque control at installation, while softer sealing materials can improve leak resistance but need periodic inspection. Focus on matching the housing to your engine’s mounting and oil flow needs and on using proper installation practices to maximize service life.
Explore More:
- Check out all Buick Regal parts & accessories
- Explore Engine
- Browse all Auto Parts
