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If you own a Mercedes-Benz E-Class, the oil filter housing is a small part that plays a big role in engine health. A properly fitting housing maintains oil pressure, prevents leaks, and keeps the filter seated so filtration works as intended. Choosing the right housing matters because poor fitment or degraded seals can lead to oil loss, contamination, or premature engine wear. This guide highlights a short list of top oil filter housings for the E-Class, vetted for fit, sealing performance, and durability. Read on to see the criteria we used to shortlist these options and what to watch for when replacing the housing.
Looking for other parts? See all Mercedes-Benz E-Class parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | A ABSOPRO Engine Oil Filter Cap and Housing Cover (Set of 2) |  |
| Most Popular A crowd favorite that many people choose with confidence | MITZONE Oil Cooler Filter Housing for Mercedes-Benz (replacement) |  |
| Best Quality Built to a higher standard if you want something more solid | BLCYANUE Engine Oil Cooler Filter Housing for Mercedes-Benz (OEM 2701800810) |  |
| Best Budget The cheapest option that still gets the job done reliably | A-Premium Oil Filter Housing Cap Assembly (replacement for 6421800038) |  |
| Most Sold A high-volume bestseller chosen again and again | BOXI Engine Oil Filter Housing with Cooler Assembly for Mercedes-Benz |  |
| Best Value for Money The sweet spot between price and what you get | Dorman Oil Filter Housing Gasket Kit (926-365) |  |
| Best Overall The best all-around choice for most situations | A-Premium Oil Cooler and Filter Housing Assembly (Aluminum) |  |
1. A ABSOPRO Engine Oil Filter Cap and Housing Cover (Set of 2)
| Manufacturer | A ABSOPRO |
|---|---|
| Position | Upper |
| Exterior | Metal,Plastic |
This replacement oil filter cap and housing cover serves as the sealing component for the cartridge-style oil filter system on compatible Mercedes-Benz E-Class and related models. It is supplied as a set that includes the cap and associated assembly and is intended to be changed when the oil filter is serviced to maintain a tight oil seal. The product is made from plastic with metal exterior components and is marketed to meet factory-quality fit and longevity. Typical use is straightforward replacement during routine oil service; professional installation is recommended for correct torque and seal seating. Practical benefits include restoring a secure seal if the original cap is damaged and providing a cost-effective alternative to dealer parts. Limitations are that this is a non-OEM aftermarket part so finish and long-term fit can vary, and the listing advises confirming vehicle compatibility before purchase.
Best for: Reliability-focused buyers looking to maintain proper oil sealing during scheduled services and who prioritize restoring function with a cost-conscious replacement.
Less Ideal for: Buyers who require guaranteed factory-sourced parts or want an exact OEM-sourced housing with manufacturer warranty should consider dealer-supplied options instead.
- Designed to restore a tight seal for cartridge-style oil filter systems on compatible Mercedes-Benz models
- Includes cap and cap assembly so you replace the complete sealing component at service
- Made from plastic with metal exterior parts for corrosion resistance in engine bay conditions
- Marketed to meet factory-quality fit standards while costing less than dealer replacements
- Aftermarket non-OEM part so long-term durability and exact fit can differ from factory replacements
- Manufacturer recommends professional installation which may add to total service cost
Verdict A budget-friendly aftermarket replacement that restores the oil filter housing seal for Mercedes-Benz models but is not an OEM part so expect possible fit and longevity variation.
2. MITZONE Oil Cooler Filter Housing for Mercedes-Benz (replacement)
| Brand Name | MITZONE |
|---|---|
| Manufacturer Part Number | 2721800410 |
| Material Type | Aluminum |
| Product Grade | Replacement Part |
| Automotive Fit Type | Vehicle Specific Fit |
This oil cooler filter housing replaces the factory unit on many Mercedes-Benz V6 and V8 engines and comes assembled with the filter and seals to simplify installation. It is typically used when the original housing leaks or coolant and oil mix, restoring the engine’s oil filtration and cooling path. Notable features include aluminum construction, included gaskets and oil cooler, and compatibility with several Mercedes part numbers so it installs directly without modification. In practice the unit reduces repair time because it arrives preassembled and matches factory-style mounting points, which is helpful for a quick DIY swap or a fast shop job. Some buyers report solid fit and immediate leak resolution, while others note occasional installation difficulty and mixed long-term durability impressions. Expect to follow torque patterns and check bolts after initial start-up to ensure a proper seal. This is a practical, convenience-focused replacement for E-Class owners who need a straightforward housing swap but may not match dealer-level longevity in every case.
Best for: Buyers who prioritize convenience and fast repairs, wanting a ready-to-install, vehicle-specific replacement to stop leaks and restore oil cooling without sourcing separate parts.
Less Ideal for: Owners seeking an OEM dealer part with guaranteed long-term service life or those who prefer professional shop-only solutions should consider dealer-sourced alternatives.
- Direct fit for specified Mercedes-Benz V6 and V8 engines so no modification is required
- Arrives with filter, gaskets, and oil cooler included to simplify installation
- Aluminum construction that matches the thermal and corrosion needs of the engine bay
- Preassembled design saves time and reduces steps during replacement
- Some users report varying long-term durability compared with factory parts
- A few reviews mention difficult installation or initial leaks if bolts and seals are not correctly torqued
Verdict A convenience-oriented, preassembled replacement that restores oil cooling and filtration on compatible Mercedes-Benz engines quickly, with some variability in long-term durability.
3. BLCYANUE Engine Oil Cooler Filter Housing for Mercedes-Benz (OEM 2701800810)
| Thread Size | M16 x 1.5 |
|---|---|
| Product Grade | Performance Part |
| Compatible with Vehicle Type | Mercedes-Benz A35 AMG, A220, GLB250, GLA45 AMG, CLA250, GLA250 |
| OEM Equivalent Part Number | 2701800810 |
This engine oil cooler filter housing replaces the factory unit and integrates the oil cooler and filter mount into a single assembly for Mercedes-Benz applications. It is used during maintenance or when a damaged housing causes leaks or oil temperature issues. The part is built to match OEM fitment and thread size so it installs in the factory location without modification. Notable features include compatibility with specified Mercedes-Benz models, an OEM-equivalent part number, and materials claimed to resist wear and high temperatures. In practice the assembly restores proper oil circulation through the cooler and helps maintain engine oil temperature under load, which supports performance driving and engine longevity. Limitations are that fitment is vehicle-specific so confirm compatibility before purchase and longevity depends on installation quality and engine service intervals. The product listing also references testing before shipping but real-world durability will depend on driving conditions and professional installation.
Best for: Performance-oriented buyers who prioritize maintaining factory-level oil cooling and want a direct replacement to support spirited driving and engine longevity.
Less Ideal for: Buyers seeking a universal or multi-vehicle aftermarket upgrade or those unwilling to have a professional install a vehicle-specific cooling component should consider alternatives.
- Made to match OEM fit and thread size for direct replacement
- Integrates oil cooler and filter housing for correct oil flow and temperature control
- Constructed from materials advertised for high temperature and wear resistance
- Compatibility limited to specific Mercedes-Benz models so not universal
- Durability claims are vendor-stated and actual lifespan depends on installation and operating conditions
Verdict A vehicle-specific, OEM-equivalent oil cooler filter housing aimed at drivers who want a performance-capable direct replacement to keep oil temperatures under control.
4. A-Premium Oil Filter Housing Cap Assembly (replacement for 6421800038)
| Thread Size | M16 x 1.5 |
|---|---|
| Material Type | Metal |
| OEM Equivalent Part Number | 6421800038, A6421800038, 5175570AA, 917-062 |
| Compatible with Vehicle Type | Passenger cars, SUVs, vans |
This oil filter housing cap replaces the factory cap on select Mercedes-Benz V6 3.0L diesel models and provides a direct-fit appearance and sealing function. It is used when replacing the oil filter cartridge during routine service or when the original cap is damaged. The kit includes the cap and a replacement O-ring and is manufactured to match factory fitment so installation is straightforward and usually requires only basic hand tools. For budget-focused buyers it offers a low-cost alternative to dealer parts and several owners report trouble-free fit and function. Notable limitations are mixed long-term durability reports and one complaint that the cap diameter differs slightly from OEM, which can prevent using the original filter-wrench size. Expect savings and acceptable performance for regular maintenance, but inspect the part and the seal carefully during installation and be prepared to substitute a different wrench if needed.
Best for: A budget-conscious buyer who prioritizes low cost and straightforward, occasional maintenance parts for Mercedes-Benz E-Class 3.0L diesel models and wants a quick, direct replacement without dealer markup.
Less Ideal for: Drivers seeking a long-term or performance-focused upgrade who prefer guaranteed factory-sourced parts and extended reliability for high-mileage use should consider OEM or premium aftermarket options instead.
- Factory-style direct-fit design for straightforward installation on compatible Mercedes-Benz 3.0L diesel engines
- Includes a replacement O-ring to restore sealing where the cap mounts the cartridge filter
- Lower cost than dealer parts while matching OEM equivalent part numbers listed
- Made of metal for a more robust feel compared with some cheaper plastic alternatives
- Some buyers report reduced long-term durability with occasional cracking or failure under extended use
- Cap diameter may differ from factory and can make the original filter wrench unusable
Verdict A cost-effective, metal replacement cap that restores function for Mercedes-Benz 3.0L diesel oil filter cartridges but may require a different wrench and has mixed longevity reports.
5. BOXI Engine Oil Filter Housing with Cooler Assembly for Mercedes-Benz
| Manufacturer | ShangHai BOXI Auto Parts Co., Ltd. |
|---|---|
| Brand | BOXI |
| Model | Engine Oil Cooler |
| Manufacturer Part Number | BX03500031-1 |
| OEM Part Number | 2721800510 2721800410 2721800110 6421800165 |
This BOXI engine oil filter housing with integrated oil cooler is a factory-replacement style unit intended for Mercedes‑Benz E‑Class and related models. It mounts at the front of the engine where the stock housing sits and provides the filter housing and cooler passages in a single assembly, so it is typically used when the original housing is leaking, cracked, or the cooler has failed. The listing emphasizes direct fit for a long list of Mercedes‑Benz applications and references multiple replacement part numbers, which helps installers confirm compatibility. Practical benefits include a polished exterior finish and a claimed fit-and-forget replacement that matches factory routing, reducing installation time compared with repair kits. Limitations are that fitment must be verified against your vehicle VIN or OE part number before purchase and the product description does not include detailed material grades or testing data, so buyers relying on documented OEM test reports may prefer factory parts. For routine garage replacement this unit offers a sensible alternative when an exact-fit factory-quality housing is needed without specialty sourcing.
Best for: Risk-averse mainstream buyers who prioritize a straightforward, factory-quality replacement for a failing oil filter housing and want a ready-made assembly that minimizes installation guesswork.
Less Ideal for: Buyers seeking fully documented OEM test reports or those who prefer repairing the original housing with OEM-sourced components rather than replacing the entire assembly.
- Direct-replacement design intended to match factory fitment and mounting points
- Integrated oil cooler and filter housing reduces parts and labor compared with separate repairs
- Lists multiple OEM replacement part numbers to simplify compatibility checks
- Polished exterior finish for a clean appearance under the hood
- Compatibility must be confirmed against vehicle year and part number before purchase
- Manufacturer-provided material and test specifications are not detailed in the listing
Verdict A practical, direct-replacement oil filter housing with integrated cooler for Mercedes‑Benz drivers who want a ready-fit alternative to sourcing factory parts.
6. Dorman Oil Filter Housing Gasket Kit (926-365)
| Material | Polymer |
|---|---|
| Manufacturer | Dorman Products |
| Manufacturer Part Number | 926-365 |
| OEM Part Number | 5175569AB; 5175574AA; 6421801410; A6421801410 |
This Dorman gasket kit supplies the seals needed to stop oil leaks at the oil filter housing on compatible Mercedes-Benz models with the OM642 V6 engine. It is intended for use when the housing itself is serviceable and only the mating seals have failed. Installation requires removal of the housing, cleaning mating surfaces, and careful reassembly with correct torque values, so it is a hands-on repair for DIYers or independent shops. The kit’s polymer seals are molded to match factory dimensions and are designed to tolerate oil and high underhood temperatures. In practice the kit saves the cost and time of buying a new housing from the dealer and reviewers report secure fits and leak-free results after installation. Some users note the material feels slightly stiff and long-term durability varies, so careful surface prep and proper torque are important. This is a practical, cost-saving option when the housing is intact and you want a factory-style gasket replacement rather than a full housing swap.
Best for: Practical optimizers who prioritize saving on repair costs and are comfortable doing or paying for a moderately involved gasket replacement instead of buying a new housing.
Less Ideal for: Those who prefer a guaranteed long-term fix from a dealer part or who want a plug-and-play housing replacement with minimal disassembly.
- Replaces both mating seals so you can repair the housing without buying a full replacement
- Polymer seals molded to match factory dimensions for a close fit
- Durable material rated for oil exposure and high engine temperatures
- Widely reported to fit OM642-equipped Mercedes models and stop leaks when installed correctly
- Requires removing and reinstalling the oil filter housing which is moderately labor intensive
- Polymer feels somewhat stiff to some users which may complicate seating during installation
- Longevity varies in reports so it may not match dealer part life in every case
Verdict A cost-conscious, factory-dimension gasket kit that lets you stop oil filter housing leaks without replacing the entire housing, provided the housing itself is sound.
7. A-Premium Oil Cooler and Filter Housing Assembly (Aluminum)
| Material | Aluminum |
|---|---|
| Thread Size | M16 |
| Product Grade | Replacement Part |
| OEM Part Number | 2721800510, 2721800410, 2721800110, 6421800165 |
This A-Premium assembly combines the oil filter housing and an aluminum cooler into a single replacement unit intended for Mercedes-Benz engines. It is used where the factory housing has failed or when replacing the oil cooler during scheduled maintenance. The package arrives with the housing, integrated cooler, a new oil filter and the necessary seals for reinstallation. The aluminum construction improves heat transfer compared with plastic housings and helps resist corrosion, so it can reduce oil temperatures under load and support cleaner oil flow to the engine. Fitment references are provided to match Mercedes part numbers, and many buyers report a straightforward fit and leak-free operation when matched correctly. Installation can be moderately labor intensive because the assembly sits in a tight engine bay and requires draining oil and careful seal installation. Also, fitment mistakes are possible if part numbers are not verified, and this is an aftermarket replacement rather than a factory-branded unit.
Best for: Balanced all-round buyers who want a durable, cost-effective replacement that improves thermal performance without chasing premium factory parts, and who prioritize dependable long-term operation over brand exclusivity.
Less Ideal for: Buyers who prefer strictly dealership-sourced factory-branded components or those who cannot perform or pay for moderately involved engine work should consider alternatives.
- Complete kit includes housing, aluminum cooler, new filter and seals for a single install
- Aluminum construction improves thermal management and resists corrosion compared with plastic housings
- Designed to match common Mercedes-Benz part numbers for direct replacement when verified
- Many buyers report reliable, leak-free performance after installation
- Requires moderate mechanical skill and time to install due to location and oil system work
- Aftermarket part so finish and fit may vary slightly from factory units
Verdict A durable aluminum replacement that restores oil cooling and filtration for compatible Mercedes-Benz engines, provided you confirm part-number fitment and accept an aftermarket option.
Choosing the Right Mercedes-Benz E-Class Oil Filter Housing: Key Factors to Consider
Fitment and Mounting Alignment
Correct fitment is critical because an oil filter housing that does not align precisely with the engine mounting points or oil passages can stress mating surfaces and cause leaks. Verify the housing matches the E-Class engine’s bolt pattern, oil inlet and outlet locations, and filter seating depth.
Mounting alignment also affects hose routing and clearance to adjacent components. A housing with proper alignment reduces the risk of cross-threading, warped flanges, and stress on connected pipes during installation and operation.
Gasket and Seal Quality
The housing’s gasket and seals create the barrier that prevents oil from escaping. Higher-quality materials resist compression set, heat aging, and chemical attack from oil additives. Look for housings that use multi-layer or reinforced seals and well-machined sealing surfaces.
Good seal design also eases installation by tolerating slight variations in torque and surface finish, reducing the chance that a seal will extrude or fail under pressure or thermal cycling.
Material Durability and Resistance to Cracking
Housings are exposed to heat, vibration, and mechanical stress, so material choice matters. Some materials resist thermal expansion and stress better than others. Consider housings made from reinforced composites or metals designed to withstand repeated heat cycles without becoming brittle or cracking.
Durable materials help prevent hairline fractures around fastener bosses and flange areas, which are common sources of slow leaks. Robust construction also improves longevity when the vehicle is used in a range of climates.
Seal Location and Ease of Access
How and where seals are located affects both leak potential and serviceability. Housings that position seals in easily reachable places make routine oil filter changes less fiddly and lower the risk of damaging the seal during service. A design that isolates the seal from high-stress zones reduces wear.
Easy access also shortens service time and reduces the chance of installation errors, such as pinching the seal or failing to seat it properly, which are common causes of post-service leaks.
Compatibility with Oil Filter Cartridges
The housing must seat the correct filter cartridge securely to ensure consistent oil flow and filtration. Differences in cartridge depth, diameter, or sealing interface can affect bypass valve operation and filtration efficiency. Confirm that the housing accepts the specified cartridge type for the E-Class engine.
A housing designed with clear seating features and positive stops helps installers place the cartridge correctly every time, which supports reliable engine protection.
Thermal Performance and Pressure Handling
Oil temperatures and internal pressures vary with engine load and ambient conditions. A housing that tolerates expected temperature ranges and internal pressures without deforming or leaking will perform more reliably. Consider designs tested for thermal stability and that maintain seal clamping force across temperature swings.
Pressure handling also matters during cold starts and abrupt throttle changes when transients can stress seals. A well-engineered housing will minimize deformation and preserve sealing integrity under these conditions.
FAQ
How do I know if the oil filter housing on my E-Class is failing?
Common signs include visible oil spots under the vehicle near the engine, a drop in oil level between changes, or oil odor in the engine bay. You might also notice oil on nearby components or wetness around the housing flange. These symptoms often point to a degraded seal or a crack in the housing, but they can also result from loose fasteners or a misinstalled filter.
Can I replace the housing myself or should a mechanic do it?
Replacing the housing is doable for someone with moderate mechanical skills and the right tools, because it requires proper torque sequencing, correct gasket seating, and careful handling of oil lines. If you are comfortable draining oil, torquing fasteners to spec, and following manufacturer service guidance, you can do it yourself. Otherwise, a trained technician can ensure fitment and sealing are correct to avoid leaks.
What causes oil filter housing leaks on the E-Class?
Leaks often stem from seal degradation, improper installation torque, cracked housing material, or misaligned mounting surfaces. Thermal cycling and age can harden or flatten gaskets, while over-tightening fasteners can warp flanges. Less commonly, impact damage or corrosion around connection points can create leak paths.
Should I replace the gasket or the whole housing when I see a leak?
If the housing surface and mounting areas are undamaged and the leak is due to a perished gasket, replacing the gasket and cleaning the sealing surfaces may solve the problem. However, if there are visible cracks, warped flanges, or damaged mounting bosses, replacing the entire housing is usually the more reliable repair to prevent recurrent leaks.
How important is using the correct part number for an E-Class housing?
Using the correct part number ensures the housing matches bolt patterns, oil passages, and filter seating details specific to the engine. A mismatched part can lead to poor fit, leaks, or interference with adjacent components. Always confirm fitment for the E-Class engine variant before purchasing or installing a housing.
Will a new housing stop oil leaks immediately?
A properly installed new housing with a suitable gasket usually stops leaks that are caused by the old housing or degraded seals. However, it is important to address any installation issues such as uneven torque or contaminated sealing surfaces. If leaks persist, recheck torque, inspect mating surfaces, and confirm the correct gasket and housing were used.
How We Chose the Best Mercedes-Benz E-Class Oil Filter Housing
We prioritized products that meet Mercedes-Benz E-Class fitment specifications and that use durable materials for long-term sealing performance. Key evaluation criteria included exact fit and mounting alignment, gasket and seal quality, resistance to cracking from thermal cycling, and compatibility with OEM filter cartridges and drain paths. We also considered manufacturing tolerances, material choices such as reinforced composites or metal where applicable, and reports about leak occurrences under normal operating conditions. Excluded from consideration were housings that only fit non-E-Class models, units with unclear fitment data, and products lacking verifiable material or seal specification information. We focused on housings that make routine maintenance straightforward and reduce the chance of oil-related failures, while also favoring designs with accessible service points and clear installation guidance.
Our full evaluation process is outlined in our review methodology.
Conclusion
Prioritize fitment accuracy and seal quality when choosing an oil filter housing for a Mercedes-Benz E-Class. Those two factors most directly affect leak prevention and long-term engine protection. Balance material durability and ease of service against the likelihood of thermal and mechanical stress in your driving conditions. When in doubt, address visible damage or recurrent leaks by replacing the housing rather than repeatedly swapping gaskets. Correct installation and attention to sealing surfaces will maximize the reliability of whichever housing you select.
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