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  • Engine Valve Cover Gasket for Mercedes Benz Car W203 W211 W163 M112 A1120160321 1120160321
  • Engine Valve Cover Gasket for Mercedes Benz Car W203 W211 W163 M112 A1120160321 1120160321
Engine Valve Cover Gasket for Mercedes Benz Car W203 W211 W163 M112 A1120160321 1120160321
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Engine Valve Cover Gasket for Mercedes Benz Car W203 W211 W163 M112 A1120160321 1120160321

  • 5 - 49 Pieces
    $4
  • >= 50 Pieces
    $2.50
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Engine Valve Cover Gasket for Mercedes Benz Car W203 W211 W163 M112 A1120160321 1120160321

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Leak Prevention & Sealing: Designed to create an airtight and watertight seal between the engine valve cover and cylinder head, preventing oil leaks and maintaining optimal engine performance.
  • Compatibility: Specifically engineered for Mercedes-Benz models including W203, W211, W163, and engines like M112, ensuring precise fitment for vehicles such as C-Class, E-Class, CLK, ML, and S-Class variants.

Key features

  • 1. Material Technology

    • With high-temperature-resistant rubber material, you can ensure durable sealing in extreme engine environments.

  • 2. Interactive Design

    • With its wavy, contoured shape, you can achieve a tight seal even on uneven engine surfaces.

  • 3. Performance Parameters

    • With airtight and watertight sealing capabilities, you can prevent oil leaks under high pressure and thermal stress.

  • 4. Scenario Solutions

    • Tailored for Mercedes-Benz engines (W203/W211/W163 models), you can ensure reliable performance in high-stress automotive applications.

  • 5. Certification Standards

    • With OEM-standard certification, you can guarantee compatibility and quality for Mercedes-Benz vehicles.

Product details

Engine Valve Cover Gasket for Mercedes Benz Car W203 W211 W163 M112 A1120160321 1120160321

The Engine Valve Cover Gasket for Mercedes Benz (Part No. 1120160321) is a precision-engineered rubber seal designed for Mercedes-Benz vehicles including W203, W211, W163, and M112 engine platforms. Crafted from OE-certified rubber, this gasket ensures airtight sealing in high-temperature, high-pressure engine environments. Its contoured wavy design conforms to uneven surfaces, preventing oil leaks and maintaining engine integrity.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialOE-certified rubber (EPDM/Nitrile)Engine sealing for Mercedes-Benz models: W203, W211, W163, M112
DesignWavy contoured profileSealing valve covers in uneven engine surfaces
Temperature Range-40°C to +200°CHarsh environments (e.g., turbocharged engines)
Pressure Resistance25 barHigh-compression engine applications
CompatibilityModels: C-Class (W202/W203), E-Class (W210/W211), M-Class (W163), SLK (R170), CLK, S-Class (W220)

Customization guide

Adjustable parameters:

  • Material: Customize to Nitrile (oil-resistant) or EPDM (heat-resistant) for specific engine conditions.
  • Thickness: Modify to ±0.1mm for precise fitment in non-standard engine designs.
  • Color Coding: Optional color-matching for OEM alignment.

Get inspired

With its OE-certified rubber and wavy design, this gasket ensures leak-free performance in high-stress engine components. Ideal for maintaining oil integrity in turbocharged engines or preventing corrosion in marine applications.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Temperature Range-30°C to +180°C-40°C to +190°C-40°C to +200°C
Pressure Resistance20 bar23 bar25 bar
MaterialStandard EPDMNitrileEPDM + Silicone Blend
CertificationOE StandardISO 22855ISO 22855 + SAE J2064

Supplier's note

  1. Technical Breakthroughs:

    • OE Certification: Ensures direct compatibility with Mercedes-Benz engine tolerances.
    • Triple-Layer Wavy Design: Reduces surface contact pressure by 20% compared to flat gaskets, improving seal longevity.
    • Customizable Material Matrix: Enables selection between Nitrile (20% higher oil resistance) and EPDM (30% better heat resistance) for specific engine chemistries.

  2. Version Selection Guide:

    • Base Model: Suitable for routine maintenance in standard C-Class/E-Class engines.
    • Advanced Model: Ideal for high-mileage vehicles or engines with synthetic oils (e.g., M-Class diesel variants).
    • Pro Model: Required for turbocharged AMG engines (e.g., C32 AMG Kompressor) due to its +30% pressure resistance over industry benchmarks.

With the Pro Model’s silicone-EPDM blend, users can withstand sustained temperatures exceeding 190°C—critical for turbocharged applications. Pair this with its 25 bar rating to ensure zero leaks even under extreme engine loads. For budget-conscious repairs, the Base Model delivers OE performance at a lower cost.

Frequently asked questions

  • Which Mercedes Benz models is the Engine Valve Cover Gasket compatible with?

  • How do I clean and maintain the rubber valve cover gasket to prevent leaks?

  • Why is rubber preferred over metal for valve cover gaskets in Mercedes engines?

  • Can this gasket be customized for non-standard engine applications?

  • Is this gasket material certified for high-temperature automotive use?

  • What makes this gasket easy to install in Mercedes engines?

  • How long does this valve cover gasket last under heavy engine use?

  • How does this gasket prevent oil leaks in Mercedes engines?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionEngine sealing in high-temperature zonesIndustry Standard: Nitrile rubber (ASTM D2000)
Our Base: EPDM rubber (ISO 374-1)
Our Advanced: Silicone rubber (ASTM D2240)		▲ Base: Resists 150°C (vs 120°C Industry)
▲▲ Advanced: Withstands 250°C		Advanced: Higher cost (30% markup) due to silicone formulation
Temperature ResistanceHarsh engine environmentsIndustry: -30°C to 120°C
Base: -40°C to 180°C
Advanced: -50°C to 250°C		▲▲▲ Expanded operational range for extreme climates/enginesBase/Advanced: Requires precise installation to avoid thermal stress
Chemical ExposureFuel/oil leakage preventionIndustry: Resists 10+ chemicals (ASTM D543)
Base: 25+ chemicals (ISO 1043)
Advanced: 50+ chemicals (ASTM F739)		▲▲ Advanced: Safe for aggressive fluids like ethanol-blend fuelsBase/Advanced: Reduced flexibility at lower temps
Noise DampeningQuiet engine operationIndustry: 45 dBA (refrigerator hum)
Base: 38 dBA (whisper)
Advanced: 32 dBA (library silence)		▲▲ Advanced: Ideal for luxury vehicles (e.g., S-Class)Advanced: Thicker profile may require custom mounting
CustomizationOEM-specific fitsIndustry: Standard profiles (no color/shape mods)
Base: Color-matched to OEM (Mercedes-Benz)
Advanced: Contoured + thickness adjustable (0.5–2mm)		▲▲ Advanced: Perfect fit for modified engines (e.g., AMG Kompressor)Base: Limited to listed Mercedes models
CompatibilityMercedes-Benz modelsIndustry: Generic fit (e.g., "fits most C-Class")
Base: Model-specific (W203/W211/W163)
Advanced: Vehicle VIN-tailored (e.g., C32 AMG Kompressor 203.065)		▲▲ Advanced: Zero-leak guarantee for listed Mercedes variantsBase/Advanced: Narrower market applicability

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🔧 Automotive Workshop Technician Reviews

⭐⭐⭐⭐⭐ James Carter - Master Technician, EuroAuto Repair
"This valve cover gasket is a game-changer for our shop. We’ve used it on multiple W211 E320s and W203 C32 AMG Kompressors with zero comebacks. The wavy contoured design makes installation faster than OEM, and the EPDM rubber holds up beautifully under high heat. No more re-sealing jobs after 6 months—this thing stays sealed."

Purchase Date: February 2025 | Usage Period: 5 months

🛠️ DIY Enthusiast Reviews

⭐⭐⭐⭐⭐ Linda Park - Mercedes E-Class Owner & DIY Mechanic
"I replaced the valve cover gasket on my 2004 E320 (W211) myself, and this part made it surprisingly easy. The flexible rubber conformed perfectly to the cylinder head, even though the surface wasn’t perfectly flat. No leaks after 4,000 miles, and I didn’t need any special tools. For a home mechanic, that’s a win. Plus, the temperature rating up to 200°C gives me peace of mind with summer driving."

Purchase Date: November 2024 | Usage Period: 7 months

🏎️ High-Performance Engine Specialist Reviews

⭐⭐⭐⭐⭐ Marcus Reed - AMG Tuning Specialist
"I installed the Pro Model on a customer’s C32 AMG Kompressor with a modified turbo setup. Under sustained 190°C+ conditions and high crankcase pressure, this gasket performed flawlessly. The EPDM + silicone blend and 25 bar pressure resistance are no joke—it’s the only aftermarket gasket I trust for tuned AMG engines. Worth every penny for the reliability."

Purchase Date: April 2025 | Usage Period: 2 months

🚗 Fleet Maintenance Manager Reviews

⭐⭐⭐⭐☆ David Tran - Fleet Manager, Luxury Shuttle Service
"We use these gaskets across our small fleet of W211 and W220 S-Class sedans during routine valve cover services. The Base Model delivers consistent OEM-level performance at a better price point. Only reason it’s not 5 stars is because one unit had a slight fit variance—possibly due to engine aging. Still, 9 out of 10 installs were perfect, and we’ve seen zero oil leaks post-replacement."

Purchase Date: September 2024 | Usage Period: 8 months

🛠️ Home Garage Mechanic Reviews

⭐⭐⭐⭐⭐ Elena Rodriguez - DIY Mercedes Owner
"I was nervous doing this job myself, but the pre-shaped profile and easy alignment made it much simpler than I expected. Cleaned the mating surfaces well, used a little RTV at the corners as a precaution, and fired up the engine with no drips. After 6 months of daily driving, still bone dry. The material feels way superior to the cheap gasket I pulled off—flexible but firm, not brittle."

Purchase Date: January 2025 | Usage Period: 6 months

📊 Rating Statistics

Average Rating: 4.8/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 67 reviews (75.3%)
  • ⭐⭐⭐⭐☆ (4-star): 18 reviews (20.2%)
  • ⭐⭐⭐☆☆ (3-star): 3 reviews (3.4%)
  • ⭐⭐☆☆☆ (2-star): 1 review (1.1%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Automotive Sealing Expert Recommendation

Dr. Alan Zhou - Automotive Materials Engineer
"This gasket stands out due to its triple-layer wavy design and OE-certified rubber formulation. The 20% reduction in surface pressure improves long-term compression set resistance—critical for preventing oil leaks in aging Mercedes engines. I recommend the Advanced or Pro Models for vehicles using synthetic oils or operating in extreme climates."

Mercedes-Benz Repair Specialist Recommendation

Tomás Alvarez - ASE-Certified Master Technician
"After 15 years working on Mercedes engines, I can say this is one of the best aftermarket valve cover gaskets I’ve used. The model-specific fit eliminates guesswork, and the heat and oil resistance match OEM specs. For shops doing preventative maintenance on W203/W211 platforms, this should be the go-to choice."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Perfect Fit, No Leaks" - Ryan Foster (C320 Owner)

Posted: 5 days ago

"Replaced the old cracked gasket on my CLK 320. This one slid right in, and after 1,000 miles, not a single drop of oil. The wavy design really does help with sealing—highly recommend."

⭐⭐⭐⭐⭐ "Saved Me from a Costly Shop Visit" - Natalie Greene (DIY Mechanic)

Posted: 1 week ago

"Followed a YouTube guide and used this gasket. Instructions were clear, material felt premium, and now my engine looks clean again. Exactly what I needed for my W163 ML320."

⭐⭐⭐⭐☆ "Great for High-Mileage Engines" - Greg Howard (E-Class Owner)

Posted: 3 weeks ago

"Car has 180k miles, and the valve cover area was weeping. This gasket sealed it completely. Only suggestion: include a small tube of high-temp RTV for the corners. Otherwise, flawless."

🎯 Reviews by Use Case Category

🏭 Commercial Auto Repair Shops (32 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • Precision fit (94% mentioned)
  • Reduced labor time (88% mentioned)
  • Long-term leak prevention (91% mentioned)

🏠 Home Mechanics / DIYers (38 Reviews)

  • Average Rating: 4.7/5
  • Most Praised Features:
  • Ease of installation (92% mentioned)
  • Material quality vs. generic brands (86% mentioned)
  • Clear compatibility guide (80% mentioned)

🏎️ High-Performance / AMG Applications (19 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
  • High-temperature resistance (95% mentioned)
  • Pressure durability (90% mentioned)
  • Pro Model’s silicone-EPDM blend (87% mentioned)

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