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Guangzhou Yuanfenghang Automotive Parts Co., Ltd

  • China,Guangzhou ,Guangdong
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China 11340038720 Exhaust Valve Oil Seal For BMW N20B20/N52/N54//N55 Engines Parts OEM
China 11340038720 Exhaust Valve Oil Seal For BMW N20B20/N52/N54//N55 Engines Parts OEM

  1. China 11340038720 Exhaust Valve Oil Seal For BMW N20B20/N52/N54//N55 Engines Parts OEM
  2. China 11340038720 Exhaust Valve Oil Seal For BMW N20B20/N52/N54//N55 Engines Parts OEM
  3. China 11340038720 Exhaust Valve Oil Seal For BMW N20B20/N52/N54//N55 Engines Parts OEM
  4. China 11340038720 Exhaust Valve Oil Seal For BMW N20B20/N52/N54//N55 Engines Parts OEM
  5. China 11340038720 Exhaust Valve Oil Seal For BMW N20B20/N52/N54//N55 Engines Parts OEM
  6. China 11340038720 Exhaust Valve Oil Seal For BMW N20B20/N52/N54//N55 Engines Parts OEM

11340038720 Exhaust Valve Oil Seal For BMW N20B20/N52/N54//N55 Engines Parts OEM

  1. MOQ: 50PCS
  2. Price: Negotiation
  3. Get Latest Price
Payment Terms L/C,D/A,MoneyGram,D/P,T/T,Western Union
Supply Ability 5000
Delivery Time 5-15Days
Packaging Details Cardboard box or Wooden box
Part Number 11340038720
Product Name Exhaust Valve Oil Seal
OE Replacement Genuine BMW 11347508179
Material - Fluorocarbon (FKM/Viton®) sealing lip - Zinc-plated steel reinforcement ring
Color Black (sealing element) with silver metal ring
Weight 8g (single piece)
Dimensions - Outer Diameter: 12.5mm - Inner Diameter: 6.8mm - Height: 10.2mm
Quality Standards ISO 9001, IATF 16949 certified
Brand Name Czechdes
Model Number N20B20/N52/N54//N5
Certification ISO CE
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms L/C,D/A,MoneyGram,D/P,T/T,Western Union Supply Ability 5000
Delivery Time 5-15Days Packaging Details Cardboard box or Wooden box
Part Number 11340038720 Product Name Exhaust Valve Oil Seal
OE Replacement Genuine BMW 11347508179 Material - Fluorocarbon (FKM/Viton®) sealing lip - Zinc-plated steel reinforcement ring
Color Black (sealing element) with silver metal ring Weight 8g (single piece)
Dimensions - Outer Diameter: 12.5mm - Inner Diameter: 6.8mm - Height: 10.2mm Quality Standards ISO 9001, IATF 16949 certified
Brand Name Czechdes Model Number N20B20/N52/N54//N5
Certification ISO CE Place of Origin China
High Light bmw valve oil sealbmw car engine partsoem valve oil seal

11340038720 Exhaust Valve Oil Seal For BMW N20B20/N52/N54//N55 Engines Parts OEM



BMW Exhaust Valve Oil Seal (11340038720) - Vehicle Compatibility Chart


Model SeriesChassis CodeEngine OptionsProduction Years
3 SeriesE90/E92/E93N52B25/N52B302005-2013

F30N55B302012-2015
5 SeriesE60/E61N52B25/N52B302003-2010

F10/F11N55B302010-2016
X3E83N52B25/N52B302006-2010

F25N55B302010-2017
X5E70N52B30/N55B302006-2013
Z4E89N52B25/N52B30/N54B302009-2016
1 SeriesE82/E88N52B25/N52B302008-2013

Engine Coverage Details:

  • N52B25 (2.5L I6)

  • N52B30 (3.0L I6)

  • N54B30 (3.0L Twin Turbo I6)

  • N55B30 (3.0L TwinPower Turbo I6)

Notes:

  1. Also compatible with some N20/N26 4-cylinder turbo engines (please verify specific application)

  2. Recommended to replace all exhaust valve seals when servicing

  3. Always check valve stem diameter before installation

Product Overview

  The BMW Exhaust Valve Oil Seal (Part No. 11340038720) is a high-quality OEM replacement part designed to prevent engine oil from entering the combustion chamber through the exhaust valve guide. This ensures optimal engine performance, reduces oil consumption, and minimizes harmful emissions.

Key Features & Benefits

  1. Precision Fit – Manufactured to meet BMW’s exact specifications for a perfect seal and long-lasting durability.
  2.  High-Temperature Resistance – Made from heat-resistant materials (such as fluororubber or Viton®) to withstand extreme exhaust temperatures.
  3. Oil Leak Prevention – Effectively stops oil from leaking into the exhaust system, preventing blue smoke, oil burning, and spark plug fouling.
  4.  Improved Engine Efficiency – Helps maintain proper compression and reduces emissions for smoother engine operation.
  5.  OEM Equivalent Quality – Direct replacement for the original BMW part, ensuring reliability and performance.

Symptoms of a Failing Exhaust Valve Oil Seal

  1. Excessive oil consumption
  2. Blue/gray smoke from the exhaust (especially on startup or acceleration)
  3. Oil fouling on spark plugs
  4. Reduced engine performance

Why Choose Our Product?

  1. 100% Brand New & Tested – Strict quality control ensures reliability.
  2. Easy Installation – Designed for hassle-free replacement by mechanics or experienced DIYers.
  3. Fast Shipping – Ready for immediate dispatch to minimize downtime.

Package Includes

 8x Exhaust Valve Oil Seal (Part No. 11340038720)





Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer

  • Total Annual:

    5000000-10000000

  • Employee Number:

    100~150

  • Ecer Certification:

    Active Member

Guangzhou Yuanfenghang Auto Parts Co., Ltd. is a professional manufacturer and wholesaler specializing in high-end automotive parts, focusing on providing genuine and premium aftermarket parts for luxury brands such as Mercedes-Benz, BMW, Land Rover, and Jaguar. With over 138 employees, the compa... Guangzhou Yuanfenghang Auto Parts Co., Ltd. is a professional manufacturer and wholesaler specializing in high-end automotive parts, focusing on providing genuine and premium aftermarket parts for luxury brands such as Mercedes-Benz, BMW, Land Rover, and Jaguar. With over 138 employees, the compa...

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Get in touch with us

  • Reach Us
  • Guangzhou Yuanfenghang Automotive Parts Co., Ltd
  • Room 01, 1st Floor, Building 4, No. 8 Xikeng, Lianquan Road, Yuexiu District, Guangzhou City, Guangdong Province
  • https://www.carengines-parts.com/

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