059121004D Automotive Water Pump for AUDI RS4
Product: Automotive Water Pump
Primary OE: 059121004D
Item code: AD01017-004
Cross-reference numbers:
059121004D
059121004B
059121004C
059121004E
Brand: AUDI
Model: RS4
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: Sample approval is recommended before a production order.
059121004D is presented as a vehicle-specific coolant-circulation component. This AUDI RS4 record identifies SKU AD01017004 through OE evidence. Buyers can therefore separate 059121004D from similar-looking pumps.
Application approval for 059121004D should combine the parts catalogue, VIN and removed component. The workbook provides RS4 as a model reference, but SKU AD01017004 still requires vehicle-specific confirmation.
Product Technical Specifications
| Product type | Automotive Engine Water Pump |
|---|---|
| Primary OE reference | 059121004D |
| Internal item code | AD01017-004 |
| Vehicle brand | AUDI |
| Model filter | RS4 |
| Cross-reference numbers | 059121004D / 059121004B / 059121004C / 059121004E |
| Verification method | OE catalogue, VIN, production data and removed-pump comparison |
Visual Identification Points
Place the original unit and AD01017004 in the same orientation. Verify that 059121004D shares the same flange plane, ports, drive interface and sealing profile.
Check 059121004D for the correct impeller side, bearing hub and housing geometry. On AD01017004, even a small offset at the gasket surface can prevent a dependable seal.
Water Pump Function Across Driving Cycles
059121004D belongs in the undefined coolant-circulation path. Its task is to move heat-laden coolant toward the radiator while the engine is running.
For the undefined application, 059121004D is the mechanical link that keeps coolant travelling through the engine and heat exchanger. Consistent circulation helps the system control operating temperature.
Matching the Pump to the Vehicle
A reliable AUDI match starts with 059121004D and ends with physical comparison. Use the VIN and engine code to decide whether AD01017004 has the correct configuration.
Screen 059121004D through the AUDI application catalogue and verify the vehicle’s production information. Treat AD01017004 as an internal traceability code, not a substitute for VIN confirmation.
The workbook names RS4 as an application clue for 059121004D; vehicle-specific catalogue evidence still governs the final match.
Cooling-System Cleanliness Requirements
Do not install 059121004D into a dirty circuit. Examine AD01017004, renew approved sealing parts and verify free rotation before the engine is started.
Handle AD01017004 by its housing and protect the gasket face. Follow the specified tightening sequence for 059121004D, refill slowly and confirm heater circulation during bleeding.
Commercial Sourcing Requirements
Purchasing teams should put AD01017004 on the enquiry and retain 059121004D on approval records. State the AUDI application evidence, target quantity and labelling requirements.
To price 059121004D, provide the AUDI vehicle evidence, order volume and destination port. Reference AD01017004 for traceable communication from sample to shipment.
Application and Ordering FAQ
What does 059121004D do in the cooling system?
OE 059121004D identifies an engine water pump. In the AUDI RS4 cooling circuit, 059121004D circulates coolant between heat-generating and heat-rejecting components.
Which catalogue checks apply to 059121004D?
Approve 059121004D with VIN and catalogue data. Match SKU AD01017004 against the removed pump. Production changes can alter 059121004D mounting or drive details.
Which physical details should match on 059121004D?
Compare the 059121004D housing, flange, ports, hub or pulley, impeller side and sealing face. Use the AD01017004 gallery for orientation. Measure 059121004D before installation.
Which symptoms justify checking 059121004D?
Inspect 059121004D after coolant leakage, bearing noise, overheating or unstable circulation. During AD01017004 diagnosis, test belts, hoses, thermostat and coolant condition. Do not assume 059121004D is the only cause.
How does a buyer begin procurement of 059121004D?
Request 059121004D pricing with item code AD01017004. Add quantity, destination and packaging instructions. Send original-part evidence when 059121004D needs application review.
Arrange Sample Review for 059121004D
Send 059121004D quantity and destination to Yongshang Auto. Identify the request with SKU AD01017004. Add packing details and original-pump evidence when 059121004D needs application review.
Compatibility reminder: 059121004D identifies the reference, not guaranteed fitment. Confirm SKU AD01017004 through VIN, engine data and removed-pump comparison.
