Yimi (Guangzhou) Automotive Parts Co, Ltd
| Operating Temperature | -30°C to +150°C |
| Installation | Direct bolt‑on; uses sealing compound (no separate gasket) |
| Material | High‑grade PA66 (heat‑ and wear‑resistant) with EPDM sealing membrane |
| Payment Terms | T/T,Western Union |
| Torque Specification | 8 -10 Nm |
| OEM Part Number | 04E103464L, 04E103464N, 04E103464AM, 04E103464AA, 04E103464F, 04E103464K, 04E103464AQ, 04C103464E |
| Supply Ability | 10000 pcs/month |
| Part Name | Oil Separator / Crankcase Breather / PCV Valve |
| Weight | 0.225 kg |
| Engine Compatibility | VW Group EA211 1.4L TSI (turbocharged petrol) – engine codes CZDA, CZCA, CZEA, CHPA, CPWA, CPWB, and CZTA variants |
| Delivery Time | 5-8 Work Days |
| Packaging Details | Neutral Package or as customers’ request |
| Model Number | VW Golf Polo 1.4 TSI EA211 |
| Place of Origin | China |
| Brand Name | YIMI |
| Certification | ISO/TS16949 |
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Product Specification
| Operating Temperature | -30°C to +150°C | Installation | Direct bolt‑on; uses sealing compound (no separate gasket) |
| Material | High‑grade PA66 (heat‑ and wear‑resistant) with EPDM sealing membrane | Payment Terms | T/T,Western Union |
| Torque Specification | 8 -10 Nm | OEM Part Number | 04E103464L, 04E103464N, 04E103464AM, 04E103464AA, 04E103464F, 04E103464K, 04E103464AQ, 04C103464E |
| Supply Ability | 10000 pcs/month | Part Name | Oil Separator / Crankcase Breather / PCV Valve |
| Weight | 0.225 kg | Engine Compatibility | VW Group EA211 1.4L TSI (turbocharged petrol) – engine codes CZDA, CZCA, CZEA, CHPA, CPWA, CPWB, and CZTA variants |
| Delivery Time | 5-8 Work Days | Packaging Details | Neutral Package or as customers’ request |
| Model Number | VW Golf Polo 1.4 TSI EA211 | Place of Origin | China |
| Brand Name | YIMI | Certification | ISO/TS16949 |
| High Light | OEM VW Golf oil separator ，EA211 1.4L TSI breather ，PA66 crankcase breather | ||
The engine crankcase breather oil separator (PCV valve) with OEM number 04E103464L is a direct replacement for the original equipment component installed on the Volkswagen EA211 1.4L TSI petrol engine family. This part manages crankcase pressure, separates oil from blow-by gases, and returns clean oil to the sump while directing vapours back into the intake manifold for combustion.
| Part Number: | 04E103464L | Product Name: | Oil Separator |
| Car Model: | VW Golf Polo | Engine Model: | VW EA211 |
| Condition: | 100% Brand New | Origin: | China Mainland |
| Main Market: | Middle East, Asia, Africa, South America, North America & Europe | ||
| Material: | High-strength aluminum alloy & precision bearings | Cooling Type: | Engine coolant circulation |
| Installation: | Direct OEM replacement | Quality Standard: | OEM equivalent / ISO quality control |
The 04E103464L oil separator belongs to a broader family of VAG part numbers that are interchangeable for the EA211 engine. For Shanghai and China markets, 04E103464L officially superseded 04E103464N on 27 December 2013.
| OE Number | Compatibility / Notes |
|---|---|
| 04E103464N | Superseded by 04E103464L |
| 04E103464AM | Interchangeable - same fitment |
| 04E103464AA | Interchangeable - same fitment |
| 04E103464F | Interchangeable - same fitment |
| 04E103464K | Interchangeable - same fitment |
Aftermarket equivalents from premium brands include: Febi Bilstein 178941 and Rein Automotive ABH0353.
This VW oil separator 04E103464L directly replaces the factory component in the following configurations:
| Model | Chassis / Series | Engine | Years |
|---|---|---|---|
| Golf Mk7 | 5G1, BQ1, BE1, BE2 | 1.4 TSI EA211 | 2012-2020 |
| Polo / Polo Sedan | 6R, 6C | 1.4 TSI | 2010-2018 |
| Jetta VI | 1B, 2B, 1C, 2C | 1.4 TSI | 2011-2015 |
| Lavida / New Lavida | Shanghai market | 1.4 TSI EA211 | 2012-2018 |
| Santana | Shanghai market | 1.4 TSI EA211 | 2012-2018 |
| Tiguan L | 5N | 1.4 TSI | 2016-2021 |
| Model | Chassis / Series | Engine | Years |
|---|---|---|---|
| Rapid | NH | 1.4 TSI | 2012-2019 |
| Octavia | 5E | 1.4 TSI | 2012-2020 |
| Fabia | NJ | 1.4 TSI (select markets) | 2014-2019 |
| Model | Chassis / Series | Engine | Years |
|---|---|---|---|
| Ibiza | 6J | 1.4 TSI | 2012-2017 |
| Leon | 5F | 1.4 TSI | 2012-2018 |
The crankcase breather system uses a two-mode ventilation path. The oil separator contains a flexible membrane diaphragm that is repeatedly exposed to heat, fuel vapour, and oil mist. Over time - typically beyond 100,000 km - this diaphragm hardens, splits, or loses elasticity.
| Symptom | What It Means |
|---|---|
| Rough idle or engine misfire at idle | Air-fuel mixture unbalanced due to excess blow-by gases entering intake |
| Oil consumption exceeding 0.5 L per 1,000 km | Crankcase pressure pushing oil into intake tract - then burned in combustion |
| Blue smoke from exhaust, especially on overrun (deceleration) | Oil accumulation in intake manifold burning off under engine braking |
| Whistling or hissing noise from engine bay | Vacuum leak through failed separator diaphragm |
| Positive crankcase pressure - dipstick jumps | Separator stuck closed, crankcase cannot vent |
| Sludge accumulation under oil cap | Inadequate crankcase ventilation allowing moisture and soot to condense |
Works by directing blow-by gases through baffles and fine mesh, separating oil droplets and returning clean oil to the sump.
Housing moulded from heat-resistant PA66 nylon; internal membrane made from flexible EPDM for longevity.
Mounts directly to EA211 cylinder block with factory-spec mating surface - no modifications required.
Interchangeable with multiple OE numbers and aftermarket equivalents from leading suppliers.
Returns crankcase vacuum to proper levels, reduces oil consumption, and eliminates external oil seepage.
Manufactured under ISO 9001 and IATF 16949 certified quality management systems.
| QC Item | Verification Method |
|---|---|
| Diaphragm integrity | Visual inspection and pressure decay test |
| Flow direction check | Air flow test from crankcase to intake side |
| Sealing bead flatness | CMM measurement of mounting flange |
| Housing material | Spectrographic analysis - PA66 grade confirmed |
| Heat tolerance | Thermal cycle test -30°C to +150°C, 100 cycles |
| Dimensional inspection | CMM measurement against OE blueprint |
| Vacuum retention | Tested at 0.5 bar negative pressure |
When to replace this oil separator:
| Symptom | Action |
|---|---|
| Rough idle or engine misfire at idle | Inspect and replace oil separator |
| Oil consumption exceeding 0.5 L per 1,000 km | Replace oil separator |
| Blue smoke from exhaust on deceleration | Replace oil separator immediately |
| Whistling / hissing noise from engine bay | Replace oil separator |
| Positive crankcase pressure | Replace oil separator |
| Oil residue inside intake manifold | Replace oil separator |
| Preventive maintenance | Recommended replacement at 100,000-120,000 km |
The VW Golf Polo EA211 oil separator 04E103464L is an OE-specification PCV valve and crankcase breather component for 1.4 L TSI turbocharged petrol engines. It fits VW Golf Mk7, Polo, Jetta, Lavida, Santana, Tiguan L, Touran L, Passat B8, and compatible Škoda, SEAT, and Audi models.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Trading Company,Seller
Year Established:
2005
Total Annual:
8000000-10000000
Employee Number:
100~150
Ecer Certification：
Verified Supplier
Yimi(Guangzhou) Automotive Parts Co,Ltd located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality automotiv... Yimi(Guangzhou) Automotive Parts Co,Ltd located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality automotiv...
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