074121004 Automotive Water Pump for VOLKSWAGEN
Product: Automotive Water Pump
Primary OE: 074121004
Item code: VM01017-020
Cross-reference numbers:
074121004
074121004A
074121004F
074121004V
074121004X
074121004AX
074121005M
074121005P
046121004D
046121004DX
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: Use the OE reference and SKU on all purchase documents.
074121004 is prepared for fitment screening by repair professionals. This VOLKSWAGEN record identifies SKU VM01017020 through OE evidence. Buyers can therefore separate 074121004 from similar-looking pumps.
Application approval for 074121004 should combine the parts catalogue, VIN and removed component. No single dependable model is published for 074121004, so the Model filter remains blank for SKU VM01017020.
Product Technical Specifications
| Product type | Automotive Engine Water Pump |
|---|---|
| Primary OE reference | 074121004 |
| Internal item code | VM01017-020 |
| Vehicle brand | VOLKSWAGEN |
| Model filter | Not specified; verify by VIN and original part |
| Cross-reference numbers | 074121004 / 074121004A / 074121004F / 074121004V / 074121004X / 074121004AX / 074121005M / 074121005P / 046121004D / 046121004DX |
| Verification method | OE catalogue, VIN, production data and removed-pump comparison |
VIN and Catalogue Compatibility Review
Validate 074121004 using the VOLKSWAGEN VIN catalogue, not a generic model-year list. Compare VM01017020 with the original component before installation approval.
Fitment review for 074121004 should combine VOLKSWAGEN vehicle data with a side-by-side inspection of VM01017020. Record the VIN, engine specification and original pump marking.
No dependable single model was available for 074121004, so the Model filter remains empty instead of publishing an assumption.
Connection Layout Before Installation
The practical comparison for VM01017020 includes fastener positions, hose connections and installed clearance. Match all visible features of 074121004 before transferring any hardware.
Review the 2 square VM01017020 views for connector, pulley and casing orientation. Final acceptance of 074121004 should include a ruler or fixture check against the old pump.
Distributor Ordering Guidance
A complete request for VM01017020 includes 074121004, quantity, packing format and delivery destination. Buyers may submit the removed VOLKSWAGEN pump images for a technical cross-check.
Begin the commercial check with 074121004 and VM01017020. Yongshang Auto can discuss VOLKSWAGEN sample inspection, export cartons and mixed cooling-system orders.
Quality Checks Before Workshop Use
Before fitting 074121004, flush contaminated coolant and inspect belts, pulleys and hoses. After VM01017020 is installed, check for leakage at both cold and operating temperature.
Keep VM01017020 clean and capped until installation. Fit 074121004 with the specified seal, torque pattern and coolant procedure, then bleed trapped air from the system.
Engine Temperature Management
The undefined cooling loop depends on 074121004 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 074121004 directs coolant around the circuit so absorbed heat can be released at the radiator.
Technical Questions from Workshops
What does 074121004 do in the cooling system?
OE 074121004 identifies an engine water pump. In the VOLKSWAGEN vehicle cooling circuit, 074121004 circulates coolant between heat-generating and heat-rejecting components.
What is the safest way to confirm 074121004?
Approve 074121004 with VIN and catalogue data. Match SKU VM01017020 against the removed pump. Production changes can alter 074121004 mounting or drive details.
Which physical details should match on 074121004?
Compare the 074121004 housing, flange, ports, hub or pulley, impeller side and sealing face. Use the VM01017020 gallery for orientation. Measure 074121004 before installation.
Which recurring complaint can involve 074121004?
Inspect 074121004 after coolant leakage, bearing noise, overheating or unstable circulation. During VM01017020 diagnosis, test belts, hoses, thermostat and coolant condition. Do not assume 074121004 is the only cause.
What helps Yongshang Auto quote 074121004?
Request 074121004 pricing with item code VM01017020. Add quantity, destination and packaging instructions. Send original-part evidence when 074121004 needs application review.
Arrange Sample Review for 074121004
Send 074121004 quantity and destination to Yongshang Auto. Identify the request with SKU VM01017020. Add packing details and original-pump evidence when 074121004 needs application review.
Technical caution: 074121004 identifies the reference, not guaranteed fitment. Confirm SKU VM01017020 through VIN, engine data and removed-pump comparison.





