03H121008 Automotive Water Pump for AUDI
Product: Automotive Water Pump
Primary OE: 03H121008
Item code: AD01017-051
Cross-reference numbers:
03H121008
03H121008B
03H121008D
03H121008DX
03H121008H
03H121008HX
03H121008K
03H121008KX
03H121008M
03H12100800
03H12100801
03H12100802
Brand: AUDI
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: Include inspection criteria with the quotation request.
03H121008 is listed for professional cooling-system service. This AUDI record identifies SKU AD01017051 through OE evidence. Buyers can therefore separate 03H121008 from similar-looking pumps.
Application approval for 03H121008 should combine the parts catalogue, VIN and removed component. No single dependable model is published for 03H121008, so the Model filter remains blank for SKU AD01017051.
Product Technical Specifications
| Product type | Automotive Engine Water Pump |
|---|---|
| Primary OE reference | 03H121008 |
| Internal item code | AD01017-051 |
| Vehicle brand | AUDI |
| Model filter | Not specified; verify by VIN and original part |
| Cross-reference numbers | 03H121008 / 03H121008B / 03H121008D / 03H121008DX / 03H121008H / 03H121008HX / 03H121008K / 03H121008KX / 03H121008M / 03H12100800 / 03H12100801 / 03H12100802 |
| Verification method | OE catalogue, VIN, production data and removed-pump comparison |
Compatibility Checks for Distributors
Confirm AD01017051 against the removed AUDI unit rather than relying on appearance alone. Reference 03H121008, the build date and catalogue remarks should agree before ordering.
For AD01017051, review the complete AUDI OE chain around 03H121008. Superseded numbers may identify the same service family, but mounting and drive details still require confirmation.
No dependable single model was available for 03H121008, so the Model filter remains empty instead of publishing an assumption.
Physical Details to Compare
Set 03H121008 beside the removed pump and compare the housing outline, bolt pattern and gasket seat. The 3 AD01017051 gallery images provide viewing references, but measurements remain decisive.
Inspect AD01017051 at every installation interface: flange holes, coolant ports, hub position and sealing face. Reject the match if 03H121008 requires forced alignment.
Aftermarket Stock Planning
Importers sourcing 03H121008 can identify the item internally as AD01017051. Add annual demand, packaging preference and delivery terms so the AUDI quotation is comparable.
For export supply of 03H121008, identify AD01017051 and specify carton, label and inspection expectations. A AUDI sample can be reviewed before the production batch is released.
Pre-Installation Acceptance Checks
Prepare the cooling system before installing 03H121008: remove debris, inspect the thermostat and confirm hose condition. Recheck AD01017051 for seepage after the first heat cycle.
Workshop acceptance of AD01017051 should cover bearing feel, flange runout and undamaged ports. Once 03H121008 is fitted, monitor temperature, coolant level and unusual noise.
Supporting Stable Coolant Movement
03H121008 provides circulation for the undefined engine-cooling network. Its output must remain steady as engine speed and thermal load change.
03H121008 is catalogued for an undefined thermal-management application. The pump creates the circulation needed to carry engine heat into the radiator air stream.
Water Pump Fitment FAQ
What does 03H121008 do in the cooling system?
OE 03H121008 identifies an engine water pump. In the AUDI vehicle cooling circuit, 03H121008 circulates coolant between heat-generating and heat-rejecting components.
How is compatibility established for 03H121008?
Approve 03H121008 with VIN and catalogue data. Match SKU AD01017051 against the removed pump. Production changes can alter 03H121008 mounting or drive details.
Which physical details should match on 03H121008?
Compare the 03H121008 housing, flange, ports, hub or pulley, impeller side and sealing face. Use the AD01017051 gallery for orientation. Measure 03H121008 before installation.
Which recurring complaint can involve 03H121008?
Inspect 03H121008 after coolant leakage, bearing noise, overheating or unstable circulation. During AD01017051 diagnosis, test belts, hoses, thermostat and coolant condition. Do not assume 03H121008 is the only cause.
How is a B2B quotation prepared for 03H121008?
Request 03H121008 pricing with item code AD01017051. Add quantity, destination and packaging instructions. Send original-part evidence when 03H121008 needs application review.
Arrange Sample Review for 03H121008
Send 03H121008 quantity and destination to Yongshang Auto. Identify the request with SKU AD01017051. Add packing details and original-pump evidence when 03H121008 needs application review.
Technical caution: 03H121008 identifies the reference, not guaranteed fitment. Confirm SKU AD01017051 through VIN, engine data and removed-pump comparison.






