034121004 Automotive Water Pump for VOLKSWAGEN
Product: Automotive Water Pump
Primary OE: 034121004
Item code: VM01017-025
Cross-reference numbers:
034121004
034121004A
034121004V
034121004X
034121005D
034121004Y
Brand: VOLKSWAGEN
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: Private-label and neutral packing can be reviewed for B2B orders.
034121004 is presented as a vehicle-specific coolant-circulation component. This VOLKSWAGEN record identifies SKU VM01017025 through OE evidence. Buyers can therefore separate 034121004 from similar-looking pumps.
Application approval for 034121004 should combine the parts catalogue, VIN and removed component. No single dependable model is published for 034121004, so the Model filter remains blank for SKU VM01017025.
Product Technical Specifications
| Product type | Automotive Engine Water Pump |
|---|---|
| Primary OE reference | 034121004 |
| Internal item code | VM01017-025 |
| Vehicle brand | VOLKSWAGEN |
| Model filter | Not specified; verify by VIN and original part |
| Cross-reference numbers | 034121004 / 034121004A / 034121004V / 034121004X / 034121005D / 034121004Y |
| Verification method | OE catalogue, VIN, production data and removed-pump comparison |
Practical Water Pump Comparison
A correct 034121004 replacement should sit naturally at every mounting point. Compare VM01017025 for casting shape, impeller clearance and accessory connections before workshop use.
Measure the pulley or drive location, mounting depth and port orientation on 034121004. Use the gallery to pre-screen VM01017025, then confirm dimensions on the physical sample.
Coolant Circulation Role
For the undefined application, 034121004 is the mechanical link that keeps coolant travelling through the engine and heat exchanger. Consistent circulation helps the system control operating temperature.
034121004 belongs in the undefined coolant-circulation path. Its task is to move heat-laden coolant toward the radiator while the engine is running.
Fitment Evidence Before Ordering
Screen 034121004 through the VOLKSWAGEN application catalogue and verify the vehicle’s production information. Treat VM01017025 as an internal traceability code, not a substitute for VIN confirmation.
A reliable VOLKSWAGEN match starts with 034121004 and ends with physical comparison. Use the VIN and engine code to decide whether VM01017025 has the correct configuration.
No dependable single model was available for 034121004, so the Model filter remains empty instead of publishing an assumption.
Bleeding and Post-Repair Checks
Rotate VM01017025 by hand and inspect the hub, casing and sealing face for transit damage. Commission 034121004 with the vehicle maker’s coolant mixture and bleeding sequence.
Installation quality affects the service life of 034121004. Clean mating surfaces, avoid sealant excess and verify that VM01017025 operates without belt misalignment or coolant loss.
Supply Planning for Repair Programs
To price 034121004, provide the VOLKSWAGEN vehicle evidence, order volume and destination port. Reference VM01017025 for traceable communication from sample to shipment.
Purchasing teams should put VM01017025 on the enquiry and retain 034121004 on approval records. State the VOLKSWAGEN application evidence, target quantity and labelling requirements.
OE Reference Questions and Answers
What does 034121004 do in the cooling system?
OE 034121004 identifies an engine water pump. In the VOLKSWAGEN vehicle cooling circuit, 034121004 circulates coolant between heat-generating and heat-rejecting components.
What prevents a wrong-part order for 034121004?
Approve 034121004 with VIN and catalogue data. Match SKU VM01017025 against the removed pump. Production changes can alter 034121004 mounting or drive details.
Which physical details should match on 034121004?
Compare the 034121004 housing, flange, ports, hub or pulley, impeller side and sealing face. Use the VM01017025 gallery for orientation. Measure 034121004 before installation.
When should a technician inspect 034121004?
Inspect 034121004 after coolant leakage, bearing noise, overheating or unstable circulation. During VM01017025 diagnosis, test belts, hoses, thermostat and coolant condition. Do not assume 034121004 is the only cause.
How can buyers start sample approval for 034121004?
Request 034121004 pricing with item code VM01017025. Add quantity, destination and packaging instructions. Send original-part evidence when 034121004 needs application review.
Ask About 034121004 Export Packing
Send 034121004 quantity and destination to Yongshang Auto. Identify the request with SKU VM01017025. Add packing details and original-pump evidence when 034121004 needs application review.
Catalogue notice: 034121004 identifies the reference, not guaranteed fitment. Confirm SKU VM01017025 through VIN, engine data and removed-pump comparison.
