045121011B Automotive Water Pump for AUDI A2
Product: Automotive Water Pump
Primary OE: 045121011B
Item code: AD01017-029
Cross-reference numbers:
045121011B
045121011BV
045121011BX
Brand: AUDI
Model: A2
Application reference: AUDI 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.
045121011B supports maintenance programs that require pump traceability. This AUDI A2 record identifies SKU AD01017029 through OE evidence. Buyers can therefore separate 045121011B from similar-looking pumps.
Application approval for 045121011B should combine the parts catalogue, VIN and removed component. The workbook provides A2 as a model reference, but SKU AD01017029 still requires vehicle-specific confirmation.
Product Technical Specifications
| Product type | Automotive Engine Water Pump |
|---|---|
| Primary OE reference | 045121011B |
| Internal item code | AD01017-029 |
| Vehicle brand | AUDI |
| Model filter | A2 |
| Cross-reference numbers | 045121011B / 045121011BV / 045121011BX |
| Verification method | OE catalogue, VIN, production data and removed-pump comparison |
Fitment Evidence Before Ordering
Screen 045121011B through the AUDI application catalogue and verify the vehicle’s production information. Treat AD01017029 as an internal traceability code, not a substitute for VIN confirmation.
A reliable AUDI match starts with 045121011B and ends with physical comparison. Use the VIN and engine code to decide whether AD01017029 has the correct configuration.
The workbook names A2 as an application clue for 045121011B; vehicle-specific catalogue evidence still governs the final match.
Practical Water Pump Comparison
A correct 045121011B replacement should sit naturally at every mounting point. Compare AD01017029 for casting shape, impeller clearance and accessory connections before workshop use.
Measure the pulley or drive location, mounting depth and port orientation on 045121011B. Use the gallery to pre-screen AD01017029, then confirm dimensions on the physical sample.
Supply Planning for Repair Programs
To price 045121011B, provide the AUDI vehicle evidence, order volume and destination port. Reference AD01017029 for traceable communication from sample to shipment.
Purchasing teams should put AD01017029 on the enquiry and retain 045121011B on approval records. State the AUDI application evidence, target quantity and labelling requirements.
Bleeding and Post-Repair Checks
Rotate AD01017029 by hand and inspect the hub, casing and sealing face for transit damage. Commission 045121011B with the vehicle maker’s coolant mixture and bleeding sequence.
Installation quality affects the service life of 045121011B. Clean mating surfaces, avoid sealant excess and verify that AD01017029 operates without belt misalignment or coolant loss.
Coolant Circulation Role
For the undefined application, 045121011B is the mechanical link that keeps coolant travelling through the engine and heat exchanger. Consistent circulation helps the system control operating temperature.
045121011B belongs in the undefined coolant-circulation path. Its task is to move heat-laden coolant toward the radiator while the engine is running.
OE Reference Questions and Answers
What does 045121011B do in the cooling system?
OE 045121011B identifies an engine water pump. In the AUDI A2 cooling circuit, 045121011B circulates coolant between heat-generating and heat-rejecting components.
How is compatibility established for 045121011B?
Approve 045121011B with VIN and catalogue data. Match SKU AD01017029 against the removed pump. Production changes can alter 045121011B mounting or drive details.
Which physical details should match on 045121011B?
Compare the 045121011B housing, flange, ports, hub or pulley, impeller side and sealing face. Use the AD01017029 gallery for orientation. Measure 045121011B before installation.
Which recurring complaint can involve 045121011B?
Inspect 045121011B after coolant leakage, bearing noise, overheating or unstable circulation. During AD01017029 diagnosis, test belts, hoses, thermostat and coolant condition. Do not assume 045121011B is the only cause.
What should a distributor send when enquiring about 045121011B?
Request 045121011B pricing with item code AD01017029. Add quantity, destination and packaging instructions. Send original-part evidence when 045121011B needs application review.
Request a 045121011B Wholesale Quote
Send 045121011B quantity and destination to Yongshang Auto. Identify the request with SKU AD01017029. Add packing details and original-pump evidence when 045121011B needs application review.
Application note: 045121011B identifies the reference, not guaranteed fitment. Confirm SKU AD01017029 through VIN, engine data and removed-pump comparison.





