Automotive Oil Engine Intake And Exhaust Valve Stem Seals 11340029751 For BMW N43 N53 N62

Cost-effective  Engine Intake And Exhaust Valve Stem Seals 11340029751 For BMW N43 N45 N46 N52 N54 N55 N53 N62

1. Application 

• Designed for BMW gasoline engines, these valve stem seals prevent engine oil from leaking into the combustion chamber while ensuring proper lubrication of the valve stems.

• Critical for maintaining engine performance, fuel efficiency, and emissions control by preventing oil consumption and smoke from the exhaust.

• Used in intake and exhaust valves across various BMW models (see compatibility table below).

2. Technical Principle 

• Material & Design: Made from high-grade fluororubber (FKM) or nitrile rubber (NBR) for heat and oil resistance.

• Function:

  • Forms a tight seal around the valve guide, allowing valve movement while blocking excess oil.

  • Prevents oil from being sucked into the combustion chamber (intake side) or burned (exhaust side).

• Precision Fit: Engineered to BMW OEM specifications for exact tolerances.

3. Key Features 

• High-Temperature Resistance – Withstands up to 250°C+ (exhaust side).
•  Oil & Chemical Resistant – Fluorocarbon elastomer resists degradation from synthetic oils and fuel additives.
•  Precision Machining – Ensures consistent sealing pressure and long-term durability.
• OEM Equivalent – Meets or exceeds BMW factory standards (direct replacement).

4. Advantages 

•  Reduces Oil Consumption – Prevents excessive oil burn and blue smoke.
•  Improves Engine Efficiency – Maintains proper compression and combustion.
•  Extends Engine Life – Minimizes carbon buildup on valves and spark plugs.
•  Cost-Effective – Affordable alternative to dealership parts without sacrificing quality.

5. Service & Support 

• Warranty: Typically includes 12 month warranty .

• Installation Support: Professional installation recommended (requires valve cover removal and valve spring tools).

• Compatibility Guarantee: Matches OEM fitment; verify your engine model before purchase.

6. Vehicle Compatibility Table 

7.Why Choose Us
Our service:

• 24 hours prompt reply .
• We can customize according to your requirement .
•  product will be 100% tested
• When you get the goods, test them and give me a feedback. If you have any questions about the problem, contact with us, we will offer the solve way for you. 
  Our strength:
•  our term has professional staff,and we manage as modern enterprise.
• we introduce the newest manufacturing line ,and we have all kind of inspection equipment,so we win the best honor of our customers.
• Our company adheres to the quality policy of "first-class products. thoughtful service, to meet the needs of customers",and the business philosophy of "people-oriented, quality wins". Welcome to cooperate sincerely with customers at home and abroad for mutual benefit.