03F121004F Automotive Water Pump for VOLKSWAGEN JETTA
Product: Automotive Water Pump
Primary OE: 03F121004F
Item code: VM01017-044
Cross-reference numbers:
03F121004F
03F121004A
03F121004B
03F121004D
03F121004E
03F121004EX
03F121005
Brand: VOLKSWAGEN
Model: JETTA
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: Sample approval is recommended before a production order.
03F121004F supports technical review before water-pump installation. This VOLKSWAGEN JETTA record identifies SKU VM01017044 through OE evidence. Buyers can therefore separate 03F121004F from similar-looking pumps.
Application approval for 03F121004F should combine the parts catalogue, VIN and removed component. The workbook provides JETTA as a model reference, but SKU VM01017044 still requires vehicle-specific confirmation.
Product Technical Specifications
| Product type | Automotive Engine Water Pump |
|---|---|
| Primary OE reference | 03F121004F |
| Internal item code | VM01017-044 |
| Vehicle brand | VOLKSWAGEN |
| Model filter | JETTA |
| Cross-reference numbers | 03F121004F / 03F121004A / 03F121004B / 03F121004D / 03F121004E / 03F121004EX / 03F121005 |
| Verification method | OE catalogue, VIN, production data and removed-pump comparison |
How the Pump Supports Heat Transfer
03F121004F belongs in the undefined coolant-circulation path. Its task is to move heat-laden coolant toward the radiator while the engine is running.
For the undefined application, 03F121004F is the mechanical link that keeps coolant travelling through the engine and heat exchanger. Consistent circulation helps the system control operating temperature.
Export Packing and Sample Approval
Purchasing teams should put VM01017044 on the enquiry and retain 03F121004F on approval records. State the VOLKSWAGEN application evidence, target quantity and labelling requirements.
To price 03F121004F, provide the VOLKSWAGEN vehicle evidence, order volume and destination port. Reference VM01017044 for traceable communication from sample to shipment.
Fitment Evidence Before Ordering
A reliable VOLKSWAGEN match starts with 03F121004F and ends with physical comparison. Use the VIN and engine code to decide whether VM01017044 has the correct configuration.
Screen 03F121004F through the VOLKSWAGEN application catalogue and verify the vehicle’s production information. Treat VM01017044 as an internal traceability code, not a substitute for VIN confirmation.
The workbook names JETTA as an application clue for 03F121004F; vehicle-specific catalogue evidence still governs the final match.
Practical Water Pump Comparison
Place the original unit and VM01017044 in the same orientation. Verify that 03F121004F shares the same flange plane, ports, drive interface and sealing profile.
Check 03F121004F for the correct impeller side, bearing hub and housing geometry. On VM01017044, even a small offset at the gasket surface can prevent a dependable seal.
Workshop Replacement Guidance
Do not install 03F121004F into a dirty circuit. Examine VM01017044, renew approved sealing parts and verify free rotation before the engine is started.
Handle VM01017044 by its housing and protect the gasket face. Follow the specified tightening sequence for 03F121004F, refill slowly and confirm heater circulation during bleeding.
Common Procurement Questions
What does 03F121004F do in the cooling system?
OE 03F121004F identifies an engine water pump. In the VOLKSWAGEN JETTA cooling circuit, 03F121004F circulates coolant between heat-generating and heat-rejecting components.
How can an OE match be confirmed for 03F121004F?
Approve 03F121004F with VIN and catalogue data. Match SKU VM01017044 against the removed pump. Production changes can alter 03F121004F mounting or drive details.
Which physical details should match on 03F121004F?
Compare the 03F121004F housing, flange, ports, hub or pulley, impeller side and sealing face. Use the VM01017044 gallery for orientation. Measure 03F121004F before installation.
What faults can point to 03F121004F?
Inspect 03F121004F after coolant leakage, bearing noise, overheating or unstable circulation. During VM01017044 diagnosis, test belts, hoses, thermostat and coolant condition. Do not assume 03F121004F is the only cause.
What should a distributor send when enquiring about 03F121004F?
Request 03F121004F pricing with item code VM01017044. Add quantity, destination and packaging instructions. Send original-part evidence when 03F121004F needs application review.
Begin B2B Sourcing of 03F121004F
Send 03F121004F quantity and destination to Yongshang Auto. Identify the request with SKU VM01017044. Add packing details and original-pump evidence when 03F121004F needs application review.
Compatibility reminder: 03F121004F identifies the reference, not guaranteed fitment. Confirm SKU VM01017044 through VIN, engine data and removed-pump comparison.
