030121008C Automotive Water Pump for VOLKSWAGEN CADDY
Product: Automotive Water Pump
Primary OE: 030121008C
Item code: VM01017-021
Cross-reference numbers:
030121008C
030121008A
030121005S
030121008AV
030121008AX
030121005A
030121008CX
Brand: VOLKSWAGEN
Model: CADDY
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.
030121008C is an OE-number-led water-pump listing for global buyers. This VOLKSWAGEN CADDY record identifies SKU VM01017021 through OE evidence. Buyers can therefore separate 030121008C from similar-looking pumps.
Application approval for 030121008C should combine the parts catalogue, VIN and removed component. The workbook provides CADDY as a model reference, but SKU VM01017021 still requires vehicle-specific confirmation.
Product Technical Specifications
| Product type | Automotive Engine Water Pump |
|---|---|
| Primary OE reference | 030121008C |
| Internal item code | VM01017-021 |
| Vehicle brand | VOLKSWAGEN |
| Model filter | CADDY |
| Cross-reference numbers | 030121008C / 030121008A / 030121005S / 030121008AV / 030121008AX / 030121005A / 030121008CX |
| Verification method | OE catalogue, VIN, production data and removed-pump comparison |
Confirming the Correct Water Pump
Use 030121008C as the first catalogue key, then confirm VM01017021 with the VOLKSWAGEN VIN and production date. An OE match alone is not sufficient when an engine family has mid-cycle changes.
Before approving VM01017021, enter 030121008C in the relevant VOLKSWAGEN parts catalogue. Check engine code, build period and any supersession notes returned by the VIN.
The workbook names CADDY as an application clue for 030121008C; vehicle-specific catalogue evidence still governs the final match.
Physical Details to Compare
Check 030121008C for the correct impeller side, bearing hub and housing geometry. On VM01017021, even a small offset at the gasket surface can prevent a dependable seal.
Place the original unit and VM01017021 in the same orientation. Verify that 030121008C shares the same flange plane, ports, drive interface and sealing profile.
Aftermarket Stock Planning
For a VOLKSWAGEN purchasing review, send 030121008C together with the required volume and shipping country. Quote VM01017021 when discussing carton marks or sample approval.
Wholesale enquiries should state 030121008C, VM01017021, order quantity and destination. VOLKSWAGEN distributors can also request neutral packing, label review and a pre-production sample.
Service Diagnosis and Pump Replacement
Handle VM01017021 by its housing and protect the gasket face. Follow the specified tightening sequence for 030121008C, refill slowly and confirm heater circulation during bleeding.
Do not install 030121008C into a dirty circuit. Examine VM01017021, renew approved sealing parts and verify free rotation before the engine is started.
Water Pump Function in the Cooling Circuit
The purpose of 030121008C 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, 030121008C drives coolant through passages, hoses and the radiator. Pump condition therefore affects temperature stability throughout a drive cycle.
Questions Before Sample Approval
What does 030121008C do in the cooling system?
OE 030121008C identifies an engine water pump. In the VOLKSWAGEN CADDY cooling circuit, 030121008C circulates coolant between heat-generating and heat-rejecting components.
How is compatibility established for 030121008C?
Approve 030121008C with VIN and catalogue data. Match SKU VM01017021 against the removed pump. Production changes can alter 030121008C mounting or drive details.
Which physical details should match on 030121008C?
Compare the 030121008C housing, flange, ports, hub or pulley, impeller side and sealing face. Use the VM01017021 gallery for orientation. Measure 030121008C before installation.
What faults can point to 030121008C?
Inspect 030121008C after coolant leakage, bearing noise, overheating or unstable circulation. During VM01017021 diagnosis, test belts, hoses, thermostat and coolant condition. Do not assume 030121008C is the only cause.
Which details are needed to price 030121008C?
Request 030121008C pricing with item code VM01017021. Add quantity, destination and packaging instructions. Send original-part evidence when 030121008C needs application review.
Start a 030121008C Product Enquiry
Send 030121008C quantity and destination to Yongshang Auto. Identify the request with SKU VM01017021. Add packing details and original-pump evidence when 030121008C needs application review.
Catalogue notice: 030121008C identifies the reference, not guaranteed fitment. Confirm SKU VM01017021 through VIN, engine data and removed-pump comparison.
