Guangzhou Yuanfenghang Automotive Parts Co., Ltd
| 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 | 1111 8604 931 |
| Product Name | front crankshaft oil seal |
| Material | Made from high-quality rubber and metal composite materials |
| Function | Seals the crankshaft housing from external oil passages to prevent engine oil leakage |
| Brand Name | Czechdes |
| Model Number | BMW front crankshaft oil seal 1111 8604 931 |
| Certification | ISO CE |
| Place of Origin | China |
View Detail Information
Explore similar products
BMW Intake Valve Oil Seal 1134 0038 719 Genuine Engine Repair Parts
Oil Cooler Gasket 1142 8591 462 For BMW N52/N54/N55/B48 Engine Parts OEM
Intake Manifold Gasket 1161 8637 800 11 61 7 866 543 For BMW Engine Repair Kit
11117568263 Rear Crankshaft Oil Seal For BMW Engine Repair Kit OEM
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 | 1111 8604 931 | Product Name | front crankshaft oil seal |
| Material | Made from high-quality rubber and metal composite materials | Function | Seals the crankshaft housing from external oil passages to prevent engine oil leakage |
| Brand Name | Czechdes | Model Number | BMW front crankshaft oil seal 1111 8604 931 |
| Certification | ISO CE | Place of Origin | China |
| High Light | Rubber front crankshaft seal ，Engine front crankshaft seal ，11118604931 | ||
The BMW Genuine Front Crankshaft Oil Seal 1111 8604 931 is a critical sealing component located at the front of the engine crankshaft. It prevents oil leakage and ensures the proper sealing of the crankcase. Made from high-quality rubber and metal composite materials, this oil seal offers excellent resistance to high temperatures, wear, and aging, making it suitable for the demanding conditions of high-speed engine operation.
1.Material Selection
Seal Lip Material: Premium Fluorocarbon Rubber (FKM) with exceptional high-temperature resistance (-40°C to +250°C) and chemical stability (resists oil, coolant, fuel additives).
Metal Housing: Precision zinc-plated steel ring, stamped to maintain dimensional tolerance ≤0.05mm.
2.Production Steps
Injection Molding: FKM compound is injected at 160°C, bonding permanently with the metal housing.
Laser Trimming: Seal lip undergoes laser micro-finishing for 0.01mm-level circularity accuracy.
Dynamic Balancing Test: Simulated at 3,000 rpm to verify radial runout (<0.1mm tolerance).
Surface Treatment: PTFE (Teflon) coating applied to the sealing edge, reducing initial friction coefficient (μ<0.15).
1.100% Air Leak Test: ≤0.05ml/min leakage at 2bar pressure.
2.Salt Spray Test: 720-hour neutral salt spray resistance (ISO 9227).
3.Engine Validation: 500-hour full-load bench testing on N54 engines.
| Model Series | Chassis Code | Engine | Compatible Models | Production Years |
| 3 Series | E90 | N52 | 325i, 330i | 2005-2013 |
| 5 Series | E60/E61 | N52/N54 | 525i, 530i, 535i | 2003-2010 |
| X3 | E83 | N52 | xDrive25i, xDrive30i | 2006-2010 |
| X5 | E70 | N52/N54 | xDrive30i, xDrive35i | 2007-2013 |
| Z4 | E85/E86 | N52 | 3.0i, 3.0si, Z4 3.0si | 2005-2008 |
Company Details
Business Type:
Manufacturer
Total Annual:
5000000-10000000
Employee Number:
100~150
Ecer Certification：
Verified Supplier
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...
Get in touch with us
Leave a Message, we will call you back quickly!