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If you own an ML-Class Mercedes-Benz, the oil filter housing is a small part that affects oil circulation and engine health. Choosing the right housing matters because poor fitment or a failing seal can cause leaks, pressure loss, and unnecessary downtime. This guide presents seven shortlisted oil filter housings selected for compatibility with the Mercedes-Benz ML-Class and for attributes that reduce leak risk and simplify replacement. We evaluated each option on fitment accuracy, sealing performance, and ease of installation to help you narrow choices for reliable engine operation.
Looking for other parts? See all Mercedes-Benz ML-Class parts & accessories.
Top Picks at a Glance
| Best overall The best all-around choice for most situations | A-Premium Oil Cooler and Filter Housing Assembly for Mercedes-Benz |  |
| Best Budget The cheapest option that still gets the job done reliably | FARLEYO Aluminum Engine Oil Filter Housing with Cooler Assembly (2721800510) |  |
| Highest Rated A top-rated pick with lots of positive feedback | FBXINTUM Aluminum Oil Filter Housing Assembly for Mercedes-Benz ML350 (M272) |  |
| Most popular A crowd favorite that many people choose with confidence | MITZONE Oil Cooler Filter Housing for Mercedes-Benz (2721800110 compatible) |  |
| Best Seller A high-volume bestseller chosen again and again | BOXI Engine Oil Filter Housing with Cooler Assembly for Mercedes-Benz (2721800510) |  |
1. A-Premium Oil Cooler and Filter Housing Assembly for Mercedes-Benz
| Material | Aluminum |
|---|---|
| Thread Size | M16 |
| Product Grade | Replacement Part |
| Automotive Fit Type | Vehicle Specific Fit |
This assembly combines the oil cooler, housing and a replacement filter to restore the engine's oil cooling and filtration in compatible Mercedes-Benz ML-Class and related models. It is used as a direct replacement when the factory housing leaks, the cooler corrodes, or when upgrading from a plastic unit to a metal one. Constructed from aluminum, the housing promotes faster heat transfer and better corrosion resistance than typical plastic assemblies, and the kit includes seals needed for installation. The practical benefit is lower oil temperatures under load and cleaner circulation, which helps preserve oil viscosity and can reduce engine wear. Several buyers report a factory-like fit and leak-free operation after installation. Important limitations are that fitment varies across Mercedes variants so buyers should verify OEM part numbers before purchase, and installation can be moderately involved and may require professional service for some ML-Class engines. While aluminum improves durability, long-term performance depends on proper installation and maintenance.
Best for: Balanced buyers who want a robust, factory-style replacement that improves oil cooling and reduces long-term engine stress while prioritizing overall reliability and value.
Less Ideal for: Drivers looking for a universal, quick DIY swap or those unwilling to verify part numbers and possibly pay for shop labor should consider other options.
- Aluminum construction improves heat transfer and resists corrosion compared with plastic housings
- Includes new oil filter and seals for a more complete repair in one purchase
- Designed to replace specific Mercedes-Benz part numbers for easier verification and fitment
- Helps lower oil temperatures which can protect oil viscosity and engine components under load
- May require professional installation on some ML-Class engines due to access and labor complexity
- Fitment must be confirmed against OEM part numbers because it is vehicle-specific
Verdict: A strong factory-style aluminum replacement that restores oil cooling and filtration for compatible Mercedes-Benz ML-Class models when you need a durable, all-in-one repair.
2. FARLEYO Aluminum Engine Oil Filter Housing with Cooler Assembly (2721800510)
| Material Type | Aluminum |
|---|---|
| Compatible with Vehicle Type | Mercedes Benz W203 C230 C E G ML S SLK-Class |
| Product Grade | Replacement Part |
| Manufacturer Part Number | 2721800510 |
This FARLEYO oil filter housing replaces the factory housing and includes the oil cooler assembly to restore oil flow and cooling on compatible Mercedes-Benz models. It is a direct-replacement style unit made from aluminum, intended to be bolted in where the original housing sits and connected to the engine oil lines and sensor ports. The solid-aluminum construction resists deformation and heat, which helps keep oil temperature lower than a failed plastic housing and supports longer service life. For budget repairs it covers multiple Mercedes engines listed by the manufacturer and arrives as a single assembly so you do not need separate components. Important limitations are that fitment is vehicle specific so you must verify the exact model and OEM number before purchase, and installation is best handled by a professional because improper mounting or line connections can cause leaks or engine damage. Expect a cost-effective replacement that prioritizes basic durability over branded OEM certification.
Best for: Budget-conscious owners seeking an affordable, factory-replacement style oil filter housing for Mercedes ML-Class repairs who prioritize cost savings over OEM branding.
Less Ideal for: Buyers looking for exact factory-branded parts with full manufacturer backing or those who plan a DIY install without mechanical experience should consider alternatives.
- Aluminum construction offers improved heat and corrosion resistance compared with common plastic housings
- Includes integrated oil cooler so one part replaces the housing and cooler assembly
- Vehicle-specific design intended for direct replacement to simplify installation
- Pre-assembled single unit reduces the need to source multiple components
- Requires precise vehicle and OEM-number match to ensure fitment
- May require professional installation to avoid leaks or improper connections
Verdict: A cost-focused aluminum replacement housing with integrated cooler that restores oil cooling on specified Mercedes models at a budget price.
3. FBXINTUM Aluminum Oil Filter Housing Assembly for Mercedes-Benz ML350 (M272)
| Brand Name | FBXINTUM |
|---|---|
| Included Components | Aluminum Oil Filter Housing and Oil Cooler |
| Material Type | Aluminum |
| Manufacturer Part Number | XT022 |
| Compatible with Vehicle Type | Car |
This aluminum oil filter housing assembly replaces the factory plastic unit on applicable Mercedes-Benz M272 engines and combines the oil cooler and filter mount into a single direct-fit assembly. It is typically used during an oil-cooler service or when the original housing leaks, and the unit ships with seals and an oil cooler so you can install it as a one-piece replacement. The all-aluminum construction reduces the risk of cracks and seal failure common to plastic housings and should improve long-term durability under heat cycling. Customers report straightforward installation and a precise match to the original mounting points, which makes it suitable for DIY mechanics or shops doing a scheduled repair. Limitations include dependence on correct engine compatibility—this part targets specific years and M272 variants—and the listing references OEM numbers for fitment, so confirm fit before ordering. It also replaces the housing only and does not address other cooling-system issues that can affect oil temperature.
Best for: Reliability-focused owners who prioritize long-term durability and want a metal replacement for a known weak plastic housing on M272 Mercedes engines, especially those doing the repair themselves or having a shop perform a permanent fix.
Less Ideal for: Owners looking for a temporary fix or those who need a full engine cooling-system overhaul should consider comprehensive service options rather than just replacing the housing.
- All-aluminum construction reduces risk of cracks and long-term leakage compared with older plastic housings.
- Includes oil cooler and seals so the assembly can be installed as a single direct replacement.
- Designed to match factory mounting points for a precise fit on M272-equipped Mercedes engines.
- Ships with the filter housing and cooler assembled which simplifies a standard oil cooler/housing replacement job.
- Compatibility is specific to certain Mercedes models and engine codes so fitment must be confirmed before purchase.
- Does not address related cooling-system components such as hoses, thermostat, or coolant passages that may also require service.
Verdict: A durable aluminum direct-replacement housing for M272 Mercedes engines that fixes common plastic-housing leaks but requires confirming exact fitment before buying.
4. MITZONE Oil Cooler Filter Housing for Mercedes-Benz (2721800110 compatible)
| Brand Name | MITZONE |
|---|---|
| Manufacturer Part Number | 2721800410 |
| Material Type | Aluminum |
| Product Grade | Replacement Part |
| Compatible with Vehicle Type | Luxury Cars, SUVs |
This MITZONE oil cooler filter housing replaces the factory housing and oil filter assembly for multiple Mercedes-Benz models with 272/273 engines. It ships as a complete unit with the filter cap, gaskets, oil cooler and preinstalled oil filter in many cases, which speeds up a routine repair and reduces the parts you need to source separately. Made from aluminum and billed as a direct fit, the housing installs in place of the original and restores the engine oil and coolant separation that fails when the factory housing leaks. Real-world benefits include a quick repair for oil leaks and coolant contamination and fewer installation steps for DIYers or independent shops. Some buyers report straightforward installs and reliable sealing, while a minority experienced fitment or early-leak issues, so careful bolt torque and verification of interchangeable part numbers is recommended before installation. The product comes with a one year warranty from the manufacturer.
Best for: Buyers who prioritize convenience and want a largely plug-and-play replacement that minimizes parts sourcing and downtime for Mercedes ML-Class repairs.
Less Ideal for: Do not choose this if you prefer OEM dealer parts with direct manufacturer support or if you cannot confirm the exact interchangeable part number for your vehicle.
- Direct-replacement design intended to match factory fit and mounting points
- Includes multiple components (filter cap, gaskets, oil cooler, oil filter housing) for a more complete repair
- Aluminum construction that resists corrosion compared with some stamped housings
- Many users report the unit stops oil leaks and is easy to install when matched to correct models
- Some customers reported difficult installation or early leaks on a small percentage of units
- Fitment depends on matching the listed interchangeable part numbers so incorrect selection will cause issues
Verdict: A convenient, mostly complete aftermarket housing that makes fixing oil-cooler related leaks faster for Mercedes-Benz ML-Class owners when the correct interchange numbers are confirmed.
5. BOXI Engine Oil Filter Housing with Cooler Assembly for Mercedes-Benz (2721800510)
| Manufacturer Part Number | BX03500031-1 |
|---|---|
| OEM Part Number | 2721800510 2721800410 2721800110 6421800165 |
| Position | Front |
| Brand | BOXI |
This BOXI oil filter housing with integrated cooler replaces the factory unit on compatible Mercedes‑Benz ML‑Class and related models. It is used where the engine oil filter and cooler mount to the front of the engine, combining the filter housing and heat exchanger into a single assembly for oil cooling and filtration. The unit claims a direct fit and ships as a complete housing ready for installation, which simplifies replacement compared with swapping separate components. Practical benefits include restoring oil cooling performance after a failed OEM housing and reducing installation time versus repairing piecemeal parts. The assembly is marketed as factory-quality and inspected before shipment, which matters for owners who prioritize reliability. Limitations are that fitment must be checked carefully against your vehicle year and part numbers and professional installation is advisable because the part interfaces with coolant and oil lines; it is not a DIY swap for inexperienced owners. Expect similar performance to the original when properly installed but plan for a careful parts-compatibility check before purchase.
Best for: Practical, risk-averse buyers who want a ready-to-install replacement that restores factory oil cooling performance without experimenting with refurbished or salvaged parts.
Less Ideal for: Do-it-yourselfers seeking a simple, tool-free swap or buyers who need universal or multi-vehicle parts; also not suited for those unwilling to confirm exact part compatibility for their vehicle.
- Integrated housing and oil cooler simplifies replacement compared with separate components.
- Sold as a complete assembly so you receive the filter housing with cooler ready for installation.
- Made and inspected to meet or exceed factory specifications according to the manufacturer.
- Direct-replacement design targets original fit and mounting points to reduce installation adjustments.
- Requires verification of vehicle year and part number before purchase to ensure correct fit.
- Installation involves oil and coolant connections so professional service or mechanical experience is recommended.
Verdict: A complete, manufacturer-inspected replacement housing with integrated oil cooler aimed at owners who want a direct-fit, factory-quality swap for compatible Mercedes‑Benz ML‑Class engines.
Choosing the Right Mercedes-Benz ML-Class Oil Filter Housing: Key Factors to Consider
Fitment and Compatibility
Precise fitment matters because the housing must align with the engine's oil passages and mounting points to prevent leaks and ensure proper oil flow. Poorly fitting housings can stress bolts and seals, leading to early failure or oil seepage.
Check that the housing is specified for the ML-Class engine variant you own and that the connection points match OEM geometry. Compatibility also includes the correct orientation for the oil filter canister and nearby sensors to avoid interference during installation.
Seal and Gasket Quality
The sealing surfaces and gasket materials control how well the housing resists oil leaks under pressure and temperature changes. A high-quality gasket or integrated seal reduces the chance of slow leaks that can be hard to detect until they cause problems.
Look for housings that use durable elastomers rated for oil and heat exposure, and for designs that provide even compression across the sealing surface to avoid localized blowouts or distortion.
Material Durability and Thermal Stability
Housings endure repeated heating and cooling cycles that can cause brittle failure or dimensional changes. Materials that resist cracking and warping will retain sealing integrity and mounting alignment over time.
Consider housings made from metal alloys or reinforced polymers designed for under-hood environments, and those with proven resistance to oil-induced degradation and thermal stress.
Design for Serviceability
A housing that simplifies routine oil filter changes and seal replacement saves time and reduces the chance of installation errors. Practical features include accessible fasteners, clear sealing surfaces, and straightforward filter canister removal.
Service-friendly designs can also reduce the risk of cross-threading or over-torquing during maintenance, which helps preserve the housing and associated components.
Resistance to Common Failure Modes
Common problems include cracking, bolt hole elongation, and sealing surface wear. Understanding how a housing addresses these issues can inform long-term reliability expectations.
Look for reinforcements at load points, design features that reduce stress concentration, and evidence of testing or material selection aimed at avoiding typical failure pathways.
Availability of Replacement Seals and Parts
Even a robust housing requires occasional seal replacement. Easy access to the correct gasket, O-ring, or seal reduces downtime and ensures proper repairs when needed.
Verify that replacement seals or service kits are available with clear part numbers or compatibility listings so you can maintain the housing with genuine or equivalent components.
How We Chose the Best Mercedes-Benz ML-Class Oil Filter Housing
We focused on factors that matter specifically for Mercedes-Benz ML-Class oil filter housings and applied filters to identify components likely to deliver reliable service. Key evaluation criteria included fitment precision to OEM mounting points and oil passages, the quality and durability of the housing material under thermal cycling, the effectiveness and type of sealing surfaces and gaskets, and the design for ease of routine maintenance and filter changes. We also considered resistance to common failure modes such as cracking or warping, and whether replacement parts and seals are straightforward to source. Exclusions: we excluded housings that lacked clear vehicle-specific fitment information, units with unknown material specifications, and designs that required extensive modification or nonstandard adapters. The result is a list of housings that balance robust sealing, installation practicality, and long-term durability for the ML-Class.
Our full evaluation process is outlined in our review methodology.
FAQ
What are common symptoms of a failing oil filter housing?
Common signs include visible oil leaks around the housing, a drop in oil pressure, or warning lights related to oil level or pressure. You might also notice oil on engine components beneath the housing or a strong oil smell after driving. These symptoms often warrant inspection of the housing, gasket, and nearby fittings.
Can I replace the oil filter housing myself on an ML-Class?
Many owners perform housing replacement with moderate mechanical skill, basic tools, and a clear repair manual. The job typically involves draining oil, removing mounting fasteners, replacing the seal, and reassembling with correct torque. If you encounter unclear fitment or close tolerances, professional assistance can prevent mistakes.
How do I know if a housing is prone to cracking?
Housings prone to cracking often come from materials not rated for sustained thermal cycling or have thin sections at stress points. Look for housings with robust material specifications, reinforced areas around bolt holes, and design features intended to reduce stress concentration. Manufacturer or supplier documentation that cites material testing is useful when available.
What should I check when diagnosing an oil filter housing leak?
Inspect the sealing surface for damage, verify the gasket or O-ring is correctly seated and undamaged, and check that mounting bolts are torqued to specification. Also examine adjacent oil lines and fittings to rule out other sources. Replacing the seal and carefully re-torquing bolts often resolves minor leaks.
Is there a specific part number I should match for the ML-Class oil filter housing?
Matching the correct part number helps ensure proper fitment and sealing. Use the vehicle's VIN or engine code to confirm the housing part number needed for your ML-Class. When in doubt, consult official parts documentation or a qualified technician to avoid compatibility issues.
Conclusion
Prioritize fitment accuracy, seal quality, and material durability when choosing an oil filter housing for a Mercedes-Benz ML-Class. Those factors most directly affect leak resistance and long-term service life. Balance serviceability and the availability of replacement seals against the housing material and design tradeoffs to find an option that minimizes maintenance time and reduces the risk of common failures.Take time to confirm vehicle-specific compatibility and to use proper installation procedures. Doing so will help preserve engine oil integrity and avoid avoidable repairs down the road.
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