030121004A Automotive Water Pump for VOLKSWAGEN VENTO
Product: Automotive Water Pump
Primary OE: 030121004A
Item code: VM01017-028
Cross-reference numbers:
030121004A
030121004B
030121004S
030121005H
030121005L
030121005LX
030121005LV
030121004AV
030121004AX
Brand: VOLKSWAGEN
Model: VENTO
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: Use the OE reference and SKU on all purchase documents.
030121004A supports maintenance programs that require pump traceability. This VOLKSWAGEN VENTO record identifies SKU VM01017028 through OE evidence. Buyers can therefore separate 030121004A from similar-looking pumps.
Application approval for 030121004A should combine the parts catalogue, VIN and removed component. The workbook provides VENTO as a model reference, but SKU VM01017028 still requires vehicle-specific confirmation.
Product Technical Specifications
| Product type | Automotive Engine Water Pump |
|---|---|
| Primary OE reference | 030121004A |
| Internal item code | VM01017-028 |
| Vehicle brand | VOLKSWAGEN |
| Model filter | VENTO |
| Cross-reference numbers | 030121004A / 030121004B / 030121004S / 030121005H / 030121005L / 030121005LX / 030121005LV / 030121004AV / 030121004AX |
| Verification method | OE catalogue, VIN, production data and removed-pump comparison |
Coolant Circulation Role
The undefined cooling loop depends on 030121004A to maintain coolant movement. A correctly matched pump supports heat transfer during idle, acceleration and steady-speed driving.
Heat rejection on the undefined platform requires a sound water pump. Reference 030121004A directs coolant around the circuit so absorbed heat can be released at the radiator.
Flange, Pulley and Port Checkpoints
The practical comparison for VM01017028 includes fastener positions, hose connections and installed clearance. Match all visible features of 030121004A before transferring any hardware.
Review the 3 square VM01017028 views for connector, pulley and casing orientation. Final acceptance of 030121004A should include a ruler or fixture check against the old pump.
Sample-to-Production Ordering
A complete request for VM01017028 includes 030121004A, quantity, packing format and delivery destination. Buyers may submit the removed VOLKSWAGEN pump images for a technical cross-check.
Begin the commercial check with 030121004A and VM01017028. Yongshang Auto can discuss VOLKSWAGEN sample inspection, export cartons and mixed cooling-system orders.
Pump Inspection for Reliable Sealing
Before fitting 030121004A, flush contaminated coolant and inspect belts, pulleys and hoses. After VM01017028 is installed, check for leakage at both cold and operating temperature.
Keep VM01017028 clean and capped until installation. Fit 030121004A with the specified seal, torque pattern and coolant procedure, then bleed trapped air from the system.
Catalogue Review Before Installation
Validate 030121004A using the VOLKSWAGEN VIN catalogue, not a generic model-year list. Compare VM01017028 with the original component before installation approval.
Fitment review for 030121004A should combine VOLKSWAGEN vehicle data with a side-by-side inspection of VM01017028. Record the VIN, engine specification and original pump marking.
The workbook names VENTO as an application clue for 030121004A; vehicle-specific catalogue evidence still governs the final match.
OE Reference Questions and Answers
What does 030121004A do in the cooling system?
OE 030121004A identifies an engine water pump. In the VOLKSWAGEN VENTO cooling circuit, 030121004A circulates coolant between heat-generating and heat-rejecting components.
What comparison should be completed for 030121004A?
Approve 030121004A with VIN and catalogue data. Match SKU VM01017028 against the removed pump. Production changes can alter 030121004A mounting or drive details.
Which physical details should match on 030121004A?
Compare the 030121004A housing, flange, ports, hub or pulley, impeller side and sealing face. Use the VM01017028 gallery for orientation. Measure 030121004A before installation.
Which service signs are relevant to 030121004A?
Inspect 030121004A after coolant leakage, bearing noise, overheating or unstable circulation. During VM01017028 diagnosis, test belts, hoses, thermostat and coolant condition. Do not assume 030121004A is the only cause.
Which commercial details are useful for 030121004A?
Request 030121004A pricing with item code VM01017028. Add quantity, destination and packaging instructions. Send original-part evidence when 030121004A needs application review.
Submit a Buying Request for 030121004A
Send 030121004A quantity and destination to Yongshang Auto. Identify the request with SKU VM01017028. Add packing details and original-pump evidence when 030121004A needs application review.
Vehicle check: 030121004A identifies the reference, not guaranteed fitment. Confirm SKU VM01017028 through VIN, engine data and removed-pump comparison.






