Home > Car Engine Parts >

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

Product Categories

Guangzhou Yuanfenghang Automotive Parts Co., Ltd

Trust Seal

Verified Supplier

Credit Check

Supplier Assessment

Contact Now

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

Name: 11340038720 Exhaust Valve Oil Seal For BMW N20B20N52N54N55 Engines Parts OEM
Brand: Czechdes
Price: 1 USD

Wholesale 11340038720 Exhaust Valve Oil Seal For BMW N20B20/N52/N54//N55 Engines Parts OEM from china suppliers

Brand Name : Czechdes

Model Number : N20B20/N52/N54//N5

Certification : ISO CE

Place of Origin : China

MOQ : 50PCS

Price : Negotiation

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

Contact Now

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

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

Model Series	Chassis Code	Engine Options	Production Years
3 Series	E90/E92/E93	N52B25/N52B30	2005-2013
	F30	N55B30	2012-2015
5 Series	E60/E61	N52B25/N52B30	2003-2010
	F10/F11	N55B30	2010-2016
X3	E83	N52B25/N52B30	2006-2010
	F25	N55B30	2010-2017
X5	E70	N52B30/N55B30	2006-2013
Z4	E89	N52B25/N52B30/N54B30	2009-2016
1 Series	E82/E88	N52B25/N52B30	2008-2013

Engine Coverage Details:

N52B25 (2.5L I6)
N52B30 (3.0L I6)
N54B30 (3.0L Twin Turbo I6)
N55B30 (3.0L TwinPower Turbo I6)

Notes:

Also compatible with some N20/N26 4-cylinder turbo engines (please verify specific application)
Recommended to replace all exhaust valve seals when servicing
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

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

Symptoms of a Failing Exhaust Valve Oil Seal

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

Why Choose Our Product?

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

Package Includes

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

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

Product Tags: