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If you own a Cadillac CTS, the oil filter housing plays a key role in engine oil circulation and sealing. A failing housing can cause leaks, pressure loss, and messy oil changes, so choosing the right replacement matters for reliability and engine health. This guide presents seven shortlisted oil filter housings selected for fitment, sealing performance, and serviceability. Each pick was evaluated against common failure modes and maintenance needs to help you find the most appropriate option for your driving habits and repair approach.
Looking for other parts? See all Cadillac CTS parts & accessories.
Top Picks at a Glance
| Best Overall The best all-around choice for most situations | A-Premium Oil Filter Housing Cap Assembly (fits Cadillac CTS and related V6 3.6L/3.0L/2.8L applications) |  |
| Best Quality Built to a higher standard if you want something more solid | Newparts Engine Oil Filter Housing Cover (fits Cadillac, OEM Equivalent 12583470) |  |
| Best Value The sweet spot between price and what you get | Dorman Oil Filter Housing Assembly (917-047) |  |
| Best Budget The cheapest option that still gets the job done reliably | Motoforti Engine Oil Filter Housing Cover for Cadillac CTS (Metal, Silver Tone) |  |
| Highest Rated A top-rated pick with lots of positive feedback | MAHLE Original GS33747 Engine Oil Filter Housing Seal Kit |  |
| Most Popular A crowd favorite that many people choose with confidence | Dorman 926-959 Aluminum Oil Filter Housing with Oil Cooler, Cap and Filter |  |
| Best Seller A high-volume bestseller chosen again and again | GM Genuine Parts 12583470 Engine Oil Filter Cap |  |
1. A-Premium Oil Filter Housing Cap Assembly (fits Cadillac CTS and related V6 3.6L/3.0L/2.8L applications)
| Manufacturer | PremiumpartsWhosale |
|---|---|
| Brand | A-Premium |
| Manufacturer Part Number | APOFH078 |
| OEM Part Number | 917-046, 917046, 12583470, 12572836,917046 |
| Date First Available | May 8, 2024 |
This A-Premium oil filter housing cap assembly is a direct replacement designed for a range of Cadillac CTS V6 engines and closely related GM models. It replaces the factory cap and seals the oil filter housing using the included O-ring, so it is typically used during routine oil service or when the original cap is damaged or leaking. The unit is aluminum, which should resist warping compared with cheap plastic caps, and it ships with a new O-ring for an immediate swap. Practical benefits include straightforward bolt-on fitment for the listed vehicles and a one-year unlimited-mileage guarantee that gives some peace of mind after installation. Limitations are the strict vehicle fitment requirement and the need to confirm exact engine codes and reference numbers before buying; the part only covers the specific V6 applications listed. Installation will require basic hand tools and care to torque the cap correctly to avoid leaks. For owners replacing a worn or leaking housing cap, this offers a durable, serviceable option that restores a factory-style sealing surface.
Best for: Balanced owners who prioritize a durable, factory-style replacement for routine oil service on Cadillac CTS V6 cars and who want a straightforward part-for-part swap without upgrades or modifications.
Less Ideal for: Anyone needing a universal or adjustable housing solution or owners of other engines or years not listed should look for a model specific to their configuration.
- Aluminum construction provides improved durability and resistance to heat compared with many plastic caps
- Includes replacement O-ring for a complete seal during installation
- Made to match factory fitment for the listed Cadillac CTS V6 engines and related GM models
- Backed by a one-year unlimited-mileage guarantee
- Fits only the specific V6 engine applications listed so wrong engine or year can cause incompatibility
- Does not include the internal filter element so an oil filter purchase is still required
Verdict: A durable, aluminum factory-replacement oil filter housing cap for the specified Cadillac CTS V6 engines that makes leak-prone or damaged factory caps easy to replace.
2. Newparts Engine Oil Filter Housing Cover (fits Cadillac, OEM Equivalent 12583470)
| Manufacturer Part Number | 2233103 |
|---|---|
| Brand Name | Newparts |
| OEM Equivalent Part Number | 12583470 |
| Number of Items | 1 |
This oil filter housing cover is a direct-fit replacement designed to match the factory part for Cadillac applications that use OEM 12583470. It installs in place of the original housing cover and provides the mounting and sealing surface for the oil filter assembly, so it is typically used during maintenance or when a cracked or leaking housing needs replacement. The listing identifies it as a Newparts manufactured piece with an OEM equivalent number, which implies compatibility and a factory-quality fit. Practical benefits include straightforward swap-in installation without modifying other components and restoring a reliable seal to prevent leaks. Because this is a single replacement housing cover, buyers should plan to reuse or separately replace associated gaskets, seals, and the filter element as needed. There is limited published technical detail beyond the equivalent part number and item weight, so users who require specific material or internal porting information may need to verify with the seller before purchase.
Best for: Performance-oriented owners seeking a high-quality, direct-fit replacement to restore factory oil system integrity during maintenance or repair.
Less Ideal for: Buyers who want full gasket or filter kits bundled with the housing or who need detailed material certifications without contacting the seller first.
- Marketed as an OEM-equivalent replacement for Cadillac part 12583470 for direct fitment
- Sold by a dedicated aftermarket parts brand which simplifies sourcing a single replacement component
- Simple install that restores the oil filter mounting surface and sealing function
- Limited published spec details about materials and internal design
- Does not include associated gaskets or filter element in the item listing
Verdict: A direct-fit, factory-equivalent oil filter housing cover for Cadillac applications when you need a reliable replacement to restore oil system sealing.
3. Dorman Oil Filter Housing Assembly (917-047)
| Compatible with Vehicle Type | Car, Sports Utility Vehicle |
|---|---|
| Product Grade | Performance Part |
| Material Type | Metal (Housing), Cellulose/Synthetic (Filter Media) |
| OEM Equivalent Part Number | 9194659 |
This Dorman oil filter housing is a direct replacement intended to restore a failed or cracked factory housing. It installs in place of the original housing, houses the oil filter element, and re-establishes the factory sealing surfaces to stop leaks caused by damaged caps. The part is made from metal with a cellulose/synthetic filter media and is presented as a performance-grade replacement engineered for durability. In use it behaves like the factory component and several owners report straightforward fit and easy installation when the housing matches the vehicle variant. Important limitations: fitment varies across GM 3.0L V6 applications so you must confirm compatibility with your vehicle and check the housing base/boss design against your original since some users needed minor modification or an alternate center bolt. Also the housing requires correct torque on installation to avoid cracking since it is aluminum. For a practical buyer looking to fix a leak without paying dealer prices this unit provides reliable value when fit is confirmed.
Best for: Practical optimizers who prioritize fixing a leaking factory part affordably and prefer a reliable replacement that restores function without unnecessary extras for routine maintenance.
Less Ideal for: Buyers seeking a guaranteed direct fit for models not listed or those unwilling to compare the replacement to their original housing should look for vehicle-specific dealer parts or consult a specialist.
- Direct replacement designed to match original fit and function for specified GM vehicles
- Durable metal construction intended to resist cracking from normal use
- Performance-grade replacement that restores sealing and stops oil leaks
- Backed by a manufacturer with aftermarket parts experience and a limited lifetime warranty
- Fit is application-specific and may require verifying the housing base and center bolt style before purchase
- May need careful torque during installation to avoid damage to the aluminum housing
Verdict: A cost-effective, durable replacement for stopping oil leaks on compatible GM vehicles if you confirm the housing base and center-bolt style match your Cadillac CTS variant before buying.
4. Motoforti Engine Oil Filter Housing Cover for Cadillac CTS (Metal, Silver Tone)
| Compatible Vehicles | Cadillac CTS 2.8L/3.0L/3.6L (2004-2015) and listed GM models |
|---|---|
| Material Type | Metal |
| Closure Type | Twist-On |
| Manufacturer Part Number | fmoto240401002125 |
This Motoforti engine oil filter housing cover is a budget-friendly replacement designed to restore a proper seal on the oil filter cartridge system for the listed Cadillac CTS engines. It installs as a direct swap without special tools and uses a metal construction intended to match factory fit and retain oil inside the housing. The cap's twist-on closure mimics factory operation so it is used during routine oil and filter changes and whenever the original cap is cracked or leaking. Practical benefits include straightforward installation, corrosion-resistant metal material, and an affordable price point that makes replacing a damaged cap easy. Limitations are that this is a non‑OEM aftermarket part so fit and finish may vary slightly from factory parts and buyers should confirm the exact engine and year fitment before ordering. The product does not include installation hardware beyond the single cap.
Best for: Budget-conscious owners prioritizing a low-cost, serviceable replacement cap for routine oil changes who want a metal option instead of an expensive factory part.
Less Ideal for: Buyers seeking guaranteed factory-identical parts or extended manufacturer-backed warranties should consider factory-quality replacements or dealer-sourced caps.
- Metal construction for improved durability compared with cheap plastic caps
- Twist-on closure matches factory-style operation for easy servicing
- Direct-replacement design allows installation without special tools
- Affordable option for budget-conscious buyers replacing a damaged cap
- Aftermarket, non-OEM product so fitment and finish may not exactly match factory parts
- Limited to the specific vehicle fitment listed; not universal
Verdict: A cost-effective metal replacement oil filter housing cap that restores a tight seal for listed Cadillac CTS engines without special tools.
5. MAHLE Original GS33747 Engine Oil Filter Housing Seal Kit
| Brand | MAHLE Original |
|---|---|
| Material | Oe Equivalent |
| Model | GS33747 |
| Manufacturer | MAHLE Original |
This MAHLE GS33747 kit supplies the seals needed when replacing an oil filter housing to restore a reliable oil-tight connection. Typically used during repair of a leaking housing, the kit includes OE-equivalent materials and comes packaged to confirm part completeness before opening. In practice the gasket fits precisely and is engineered to meet factory specifications, which helps eliminate persistent oil seepage that can stain components and reduce engine bay cleanliness. Installers note the material is durable and pliable, resisting deterioration over time. Expect the job to require careful reassembly and correct torque on housing fasteners; in some Cadillac engine layouts access can be tight and reinstalling surrounding parts may be fiddly. The kit does not include new housing bolts or a filter element, so you may need extra fasteners or parts depending on your repair plan. For anyone tackling a housing gasket replacement, the MAHLE kit offers a reliable, factory-style sealing solution that addresses common leak sources without extensive modification.
Best for: A reliability-focused buyer who prioritizes durable, factory-quality replacement parts to stop oil leaks and extend service intervals on their Cadillac CTS.
Less Ideal for: DIYers who want a complete repair kit with fasteners and a filter included or users seeking a simple, no-fuss plug-and-play solution.
- Factory-quality, OE-equivalent sealing material for reliable leak repair
- Packaged in a shrink-wrapped tray so you can verify contents before installation
- Durable, pliable gasket material that resists deterioration over time
- Precise fit reported to stop oil filter housing leaks on affected engines
- Does not include replacement housing bolts or additional hardware that some repairs require
- Installation can be awkward in confined engine bays and benefits from correct torque and experience
Verdict: Choose this MAHLE seal kit when you want a factory-quality gasket to stop oil filter housing leaks and restore reliable sealing on a Cadillac CTS.
6. Dorman 926-959 Aluminum Oil Filter Housing with Oil Cooler, Cap and Filter
| Material | Aluminum |
|---|---|
| Product Grade | Replacement Part |
| Vehicle Service Type | Car, Truck, Van |
| Automotive Fit Type | Universal Fit |
This Dorman kit replaces the plastic oil filter housing with a die-cast aluminum assembly and is intended as a longer-lasting solution for vehicles that use the Pentastar V6 design. It ships as a ready-to-install kit with the oil cooler, oil filter element, filter cap and the necessary intake manifold and mounting gaskets so you can perform the repair in one job without sourcing extra parts. The aluminum construction resists warping and heat-related failures that commonly affect plastic housings, and the included seals and fasteners simplify installation for a single-visit repair. Practical benefits include reduced risk of repeat leaks and fewer parts to buy separately, which is useful when you want a convenient, durable repair. Some users report production quality variance and the need to verify internal passages or clear casting burrs before installation, and sensors are not included so you may need to transfer or purchase vehicle-specific sensors separately.
Best for: Convenience-driven owners who want a single, more durable replacement that saves time by including the cooler, filter and gaskets so the repair can be completed in one visit.
Less Ideal for: Buyers who prefer an exact factory-sourced replacement or who need a kit that includes vehicle-specific sensors should consider alternatives or source those sensors separately.
- Die-cast aluminum housing reduces risk of heat warping and cracks compared with plastic housings
- Includes oil cooler, filter element, cap, gaskets and mounting hardware for a one-box repair
- Engineered to update early fitments to the latest filter cap specification
- Made to precise specifications with premium seals to help prevent future leaks
- Does not include oil pressure or coolant temperature sensors which may be needed for full installation
- Some units show casting burrs or blocked passages that require inspection and clearing before fitting
Verdict: A complete aluminum oil filter housing kit that simplifies repair and reduces the chance of future leaks compared with the original plastic housing.
7. GM Genuine Parts 12583470 Engine Oil Filter Cap
| Brand Name | GM GENUINE PARTS |
|---|---|
| Manufacturer | ACDelco |
| Included Components | Funnel |
| Item Type Name | Oil Filter |
| Automotive Fit Type | Vehicle Specific Fit |
This GM Genuine Parts engine oil filter cap is a factory-style replacement intended to restore the oil filter housing top on compatible Cadillac and other GM vehicles. It installs like the original part and is typically used during oil service when the factory cap is damaged or leaking. The cap is manufactured to GM standards and ships with a funnel; multiple customer reports note reliable fit and packaging. Using the original-equivalent cap helps maintain proper sealing under engine pressure and avoids fitment issues that can occur with generic alternatives. Some users report the O-ring is not always included, so plan to replace the seal when changing the cap to avoid leaks. A few owners also caution against over-torquing the cap to prevent damaging the nut on top, so follow the factory torque specification during installation. For risk-averse owners who want a direct replacement that matches factory fit and finish, this cap is a straightforward, low-risk repair part.
Best for: A risk-averse mainstream buyer who prioritizes factory-fit, proven parts for routine maintenance on Cadillac CTS and other GM vehicles and prefers low-risk repairs that match dealer quality.
Less Ideal for: If you want an upgraded aftermarket design or color customization this direct factory-style cap is not aimed at performance or cosmetic modification buyers.
- Factory-quality replacement engineered for direct fit on GM vehicles
- Well-packaged and consistently reported to fit like the original
- Includes a funnel for easier oil changes and installation
- O-ring may not be included with every unit so buyers should obtain a new seal separately
- Risk of nut damage if the cap is over-tightened during installation
Verdict: A factory-equivalent oil filter cap that restores correct fit and sealing for Cadillac CTS owners who want a low-risk, dealer-quality replacement.
Choosing the Right Cadillac CTS Oil Filter Housing: Key Factors to Consider
Fitment and Compatibility
Correct fitment ensures the housing aligns with engine mounting points, oil passages, and sensor ports. A housing that fits precisely reduces the risk of stress on fasteners and prevents misalignment that can cause leaks or oil pressure issues.
Compatibility also affects access during routine maintenance. A housing that matches the Cadillac CTS engine layout will allow standard tools to reach the filter and associated sensors without extra modification or disassembly.
Gasket and Seal Quality
Gaskets and seals are the most common leak points on an oil filter housing. Higher-quality elastomers resist heat, oil degradation, and compression set, which helps maintain a consistent seal over time.
A robust sealing design reduces the chance of slow leaks that may be hard to detect. Consider housings that use replaceable gaskets or well-protected seal grooves to simplify future maintenance and repairs.
Material Strength and Resistance to Cracking
Housings can be made from various metals or composite materials, and those materials must withstand thermal cycling and vibration. Materials prone to stress cracking will often fail near bolt holes or fluid passages, causing sudden leaks.
Choose a housing material and construction method known for toughness in engine bay conditions. Reinforced designs and corrosion-resistant coatings help extend service life in environments with heat and road contaminants.
Sealing Design and Oil Pressure Integrity
Beyond the gasket, the overall sealing architecture affects how well the assembly maintains oil pressure and prevents bypass. Properly designed oil passages and mating surfaces reduce turbulence and avoid localized wear that can create leak paths.
A housing that preserves oil flow characteristics helps keep pressure readings stable and prevents premature filter bypass or starvation under load.
Ease of Installation and Serviceability
An accessible housing makes routine oil filter changes quicker and less error-prone. Features such as clear port locations, straightforward fastener access, and compatibility with common tools reduce labor time and the chance of installation errors.
Service-friendly designs that allow gasket replacement without full assembly removal are beneficial for do-it-yourself mechanics and professional shops alike.
Sensor and Port Integration
Many oil filter housings incorporate ports for pressure sensors, temperature sensors, or venting. Secure, well-sealed sensor ports prevent oil seepage and ensure reliable sensor readings.
Evaluate how sensor fittings are integrated and whether the housing provides standardized threads and O-ring seats to maintain a leak-free connection and long-term sensor reliability.
How We Chose the Best Cadillac CTS Oil Filter Housing
We focused on criteria that most affect long-term performance and user experience with Cadillac CTS oil filter housings. Key filters included fitment precision to the CTS engine mounting points, gasket and seal quality to prevent leaks, material durability against cracking and heat cycling, and serviceability for routine oil changes. We also considered manufacturing tolerances that affect oil pressure readings and ease of access for common maintenance tasks. Products that required extensive modification, lacked clear fitment specification for the Cadillac CTS, or used unverified sealing materials were excluded. The final list prioritizes housings that balance reliable sealing, straightforward installation, and resistance to common failure patterns in this application.
Our full evaluation process is outlined in our review methodology.
FAQ
What are common signs of a failing oil filter housing on a Cadillac CTS?
Common signs include visible oil under the engine area near the housing, fluctuating oil pressure readings, and the smell or sight of oil in the engine bay. You may also notice decreased oil level between changes. These symptoms often point to gasket degradation, hairline cracks, or loose fasteners.
Can I replace the oil filter housing myself?
Many owners can replace the housing with basic mechanic tools and a service manual for torque specs and sequence. The job usually involves draining oil, removing connected lines or sensors, and carefully swapping gaskets. If you are uncomfortable with torque requirements or sensor handling, a technician can perform the task to avoid leaks or sensor damage.
How long should a replacement housing last before showing problems?
Lifespan varies with material quality and operating conditions, but a well-made housing typically lasts many years under normal use. Heat cycling, aggressive driving, and exposure to contaminants can shorten service life. Regular inspections during oil changes help catch early signs of deterioration.
What causes an oil filter housing to crack?
Cracking often results from a combination of thermal stress, repeated vibration, and material fatigue. Over-tightening fasteners or impact damage during service can also initiate fractures. Choosing a housing designed for durability and following correct installation torque helps reduce cracking risk.
Do I need new seals or gaskets when replacing the housing?
Yes, you should use new gaskets or seals whenever the housing is replaced. Reusing old seals increases the chance of leaks because elastomers compress and degrade over time. Fresh sealing components ensure a reliable mating surface and help maintain oil integrity.
How can I identify the correct part number for my Cadillac CTS oil filter housing?
Identify the correct part number by checking your vehicle identification information and the engine configuration, then cross-reference service documentation or manufacturer parts catalogs. Ensure the part listing explicitly states compatibility with the Cadillac CTS engine layout to avoid fitment issues.
Conclusion
When selecting an oil filter housing for a Cadillac CTS, prioritize fitment accuracy, seal quality, and material durability. Those factors most directly influence leak prevention, oil pressure stability, and long-term reliability.Consider how easy the housing makes routine service and whether sensor ports are well integrated. Balancing sealing performance with serviceability will help you choose a housing that minimizes future repairs and keeps engine oil systems functioning properly.
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- Check out all Cadillac CTS parts & accessories
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