03H121008D Automotive Water Pump for VOLKSWAGEN TOUAREG
Product: Automotive Water Pump
Primary OE: 03H121008D
Item code: VM01017-043
Cross-reference numbers:
03H121008D
03H121008
03H121008B
03H121008DV
03H121008DX
03H121008H
03H121008HX
Brand: VOLKSWAGEN
Model: TOUAREG
Application reference: VOLKSWAGEN OE-reference cooling-system application; confirm by VIN and removed-part comparison.
Inspection focus: housing profile, mounting flange, impeller or drive interface, ports, gasket face and connector where fitted
Supply note: Confirm whether gaskets or service hardware are required.
03H121008D provides a traceable reference for water-pump procurement. This VOLKSWAGEN TOUAREG record identifies SKU VM01017043 through OE evidence. Buyers can therefore separate 03H121008D from similar-looking pumps.
Application approval for 03H121008D should combine the parts catalogue, VIN and removed component. The workbook provides TOUAREG as a model reference, but SKU VM01017043 still requires vehicle-specific confirmation.
Product Technical Specifications
| Product type | Automotive Engine Water Pump |
|---|---|
| Primary OE reference | 03H121008D |
| Internal item code | VM01017-043 |
| Vehicle brand | VOLKSWAGEN |
| Model filter | TOUAREG |
| Cross-reference numbers | 03H121008D / 03H121008 / 03H121008B / 03H121008DV / 03H121008DX / 03H121008H / 03H121008HX |
| Verification method | OE catalogue, VIN, production data and removed-pump comparison |
Installed Clearance Considerations
Check 03H121008D for the correct impeller side, bearing hub and housing geometry. On VM01017043, even a small offset at the gasket surface can prevent a dependable seal.
Place the original unit and VM01017043 in the same orientation. Verify that 03H121008D shares the same flange plane, ports, drive interface and sealing profile.
Catalogue Review Before Installation
Use 03H121008D as the first catalogue key, then confirm VM01017043 with the VOLKSWAGEN VIN and production date. An OE match alone is not sufficient when an engine family has mid-cycle changes.
Before approving VM01017043, enter 03H121008D in the relevant VOLKSWAGEN parts catalogue. Check engine code, build period and any supersession notes returned by the VIN.
The workbook names TOUAREG as an application clue for 03H121008D; vehicle-specific catalogue evidence still governs the final match.
Water Pump Function Across Driving Cycles
The purpose of 03H121008D on undefined vehicles is continuous coolant delivery. Stable flow reduces local hot spots and supports predictable thermostat and radiator operation.
Within the undefined cooling circuit, 03H121008D drives coolant through passages, hoses and the radiator. Pump condition therefore affects temperature stability throughout a drive cycle.
Distributor Ordering Guidance
For a VOLKSWAGEN purchasing review, send 03H121008D together with the required volume and shipping country. Quote VM01017043 when discussing carton marks or sample approval.
Wholesale enquiries should state 03H121008D, VM01017043, order quantity and destination. VOLKSWAGEN distributors can also request neutral packing, label review and a pre-production sample.
Water Pump Condition Assessment
Handle VM01017043 by its housing and protect the gasket face. Follow the specified tightening sequence for 03H121008D, refill slowly and confirm heater circulation during bleeding.
Do not install 03H121008D into a dirty circuit. Examine VM01017043, renew approved sealing parts and verify free rotation before the engine is started.
Technical Questions from Workshops
What does 03H121008D do in the cooling system?
OE 03H121008D identifies an engine water pump. In the VOLKSWAGEN TOUAREG cooling circuit, 03H121008D circulates coolant between heat-generating and heat-rejecting components.
How is compatibility established for 03H121008D?
Approve 03H121008D with VIN and catalogue data. Match SKU VM01017043 against the removed pump. Production changes can alter 03H121008D mounting or drive details.
Which physical details should match on 03H121008D?
Compare the 03H121008D housing, flange, ports, hub or pulley, impeller side and sealing face. Use the VM01017043 gallery for orientation. Measure 03H121008D before installation.
What faults can point to 03H121008D?
Inspect 03H121008D after coolant leakage, bearing noise, overheating or unstable circulation. During VM01017043 diagnosis, test belts, hoses, thermostat and coolant condition. Do not assume 03H121008D is the only cause.
What is required for an export enquiry on 03H121008D?
Request 03H121008D pricing with item code VM01017043. Add quantity, destination and packaging instructions. Send original-part evidence when 03H121008D needs application review.
Review Commercial Supply for 03H121008D
Send 03H121008D quantity and destination to Yongshang Auto. Identify the request with SKU VM01017043. Add packing details and original-pump evidence when 03H121008D needs application review.
Catalogue notice: 03H121008D identifies the reference, not guaranteed fitment. Confirm SKU VM01017043 through VIN, engine data and removed-pump comparison.
