Yimi (Guangzhou) Automotive Parts Co, Ltd
| Payment Terms | T/T,Western Union |
| Supply Ability | 10000 pcs/month |
| Delivery Time | 5-8 Work Days |
| Packaging Details | Neutral Package or as customers’ request |
| Pump Type | Mechanical, vacuum-controlled |
| Drive Method | Serpentine belt driven |
| Housing Material | Cast Aluminum |
| Impeller Material | PPS/TFE/ACM composite |
| Impeller Diameter | 65 mm |
| Operating Mode | Mechanical, with vacuum coupling |
| Mounting Location | Passenger side of engine |
| Coolant Type | G12evo/G13 |
| Brand Name | YIMI |
| Model Number | VW Atlas Touareg |
| Certification | ISO/TS16949 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T,Western Union | Supply Ability | 10000 pcs/month |
| Delivery Time | 5-8 Work Days | Packaging Details | Neutral Package or as customers’ request |
| Pump Type | Mechanical, vacuum-controlled | Drive Method | Serpentine belt driven |
| Housing Material | Cast Aluminum | Impeller Material | PPS/TFE/ACM composite |
| Impeller Diameter | 65 mm | Operating Mode | Mechanical, with vacuum coupling |
| Mounting Location | Passenger side of engine | Coolant Type | G12evo/G13 |
| Brand Name | YIMI | Model Number | VW Atlas Touareg |
| Certification | ISO/TS16949 | Place of Origin | China |
| High Light | VW Atlas water pump with composite impeller ，VW Touareg vacuum-controlled water pump ，VR6 engine serpentine belt drive pump | ||
The Water Pump (Engine Coolant Pump) with OEM number 03H 121 008D is a verified direct-fit replacement for the Volkswagen 3.6L VR6 naturally aspirated engine (EA837 series), primarily found in VW Atlas (2018-2023) and VW Touareg (2011-2017) models.
| Part Number: | 03H 121 008 D | Product Name: | Water Pump |
| Car Model: | VW Atlas Touareg | Engine Model: | EA837 |
| Condition: | 100% Brand New | Size: | Standard |
| Weight: | Standard | Origin: | China Mainland |
| Main Market: | Middle East, Asia, Africa, South America, North America & Europe | ||
| Package: | Neutral Packing Or Make It As Requested | ||
| Material: | High-strength aluminum alloy & precision bearings | Cooling Type: | Engine coolant circulation |
| Installation: | Direct OEM replacement | Quality Standard: | OEM equivalent / ISO quality control |
| Brand | Model | Years | Engine | Drivetrain |
|---|---|---|---|---|
| Volkswagen | Atlas | 2018-2023 | 3.6L VR6 | FWD / 4Motion |
| Volkswagen | Touareg | 2011-2017 | 3.6L VR6 | 4Motion |
| Feature | Benefit + Verification Signal |
|---|---|
| Vacuum‑controlled switching function | Faster engine warm-up and optimized cooling — pump partially restricts coolant flow during cold starts, allowing engine to reach operating temperature quickly. |
| 65mm PPS/TFE/ACM composite impeller | Superior corrosion resistance — resists cavitation and chemical attack from G12evo/G13 coolant better than metal impellers. |
| Direct serpentine belt drive | Simplified service access — pump is externally accessible (passenger side), not buried behind timing cover. |
| Precision cast aluminum housing | Excellent heat dissipation — resists warping and cracking under thermal stress. |
| Meets or exceeds OE specifications | Direct fit, no modification — verified by manufacturers such as Vaico, GMB, and URO Parts. |
| 100% factory tested | Reliable out of the box — each pump leak‑tested and flow‑bench verified before packing. |
| QC Item | Verification Method |
|---|---|
| Housing casting integrity | Visual and pressure decay test on bare casting |
| Impeller balance | Dynamic balancing at rated operating speed |
| Shaft seal leak integrity | Air pressurization test at 1.5 bar — zero leakage |
| Vacuum control servo function | Vacuum applied to control port; verifies full open/close travel |
| Flow rate verification | Flow bench tested at multiple RPM points (batch sampling) |
| Bearing smoothness | Rotational torque check and noise inspection |
| Dimensional accuracy | CMM inspection against OE blueprint for gasket fitment |
| Total functional test | Random 2% of each batch tested on circulation loop at operating temperature and pressure |
Why this part fails (OEM design consideration):
Recommended Replacement Indicators:
Shipping dimensions: Approx. 20*15*12 cm, weight approx. 1.5-2.0 kg
For Water Pump 03H 121 008D for VW Atlas 3.6L / Touareg 3.6L VR6 EA837 Engine:
Please provide your quantity, destination port, and vehicle specifics (make/model/year, engine size 3.6L V6, VIN if available). We can cross‑check fitment with OE catalogs to ensure the correct 03H 121 008D part is supplied.
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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