171 121 407F Coolant Expansion Tank for VOLKSWAGEN
Product: Coolant Expansion Tank
Primary OE: 171 121 407F
Item code: VM01015-006
Cross-reference numbers:
171 121 407F
Brand: VOLKSWAGEN
Application reference: VOLKSWAGEN OE-reference application; confirm by VIN and removed-part comparison.
Inspection focus: cap neck, hose ports, level-sensor provision, mounting tabs and shell seams
Supply note: State annual demand, destination and neutral- or private-label packing requirements.
171 121 407F supports repair programs that require documented reference matching. This VOLKSWAGEN record identifies SKU VM01015006 by OE evidence. Buyers can therefore separate 171121407F from similar-looking reservoirs.
Approve fitment only after the reference and mounting geometry agree. For 171121407F, no unverified model is published. The blank model filter protects SKU VM01015006 from unsupported fitment claims.
Product Technical Specifications
| Product type | Coolant Expansion Tank |
|---|---|
| Primary OE reference | 171 121 407F |
| Internal item code | VM01015-006 |
| Vehicle brand | VOLKSWAGEN |
| Model filter | Not specified; verify by VIN and original part |
| Cross-reference numbers | 171 121 407F |
Supply Planning for Repair Programs
Use 171121407F as the principal purchasing reference.
Pair 171121407F with internal item code VM01015006.
For SKU VM01015006, state quantity, destination and label requirements.
Yongshang Auto can review 171121407F samples and export cartons.
VOLKSWAGEN distributors may request VM01015006 packing confirmation before shipment.
Shape, Port and Bracket Comparison
Place 171121407F beside the removed tank before installation.
On SKU VM01015006, compare cap neck, hose ports, level-sensor provision, mounting tabs and shell seams.
Every 171121407F connection should align without body stress.
Review 3 square images showing SKU VM01015006 from available angles.
Final approval of 171121407F still requires physical measurement.
Fluid Storage and Circuit Support
OE 171121407F identifies a coolant expansion tank for the VOLKSWAGEN engine cooling circuit.
Inside that circuit, 171121407F provides reserve volume for thermal expansion and returns coolant as the system cools.
SKU VM01015006 must keep coolant available without external leakage.
After installing 171121407F, observe level stability and connection dryness.
Reservoir Condition Assessment
Inspect 171121407F before transferring service hardware.
Reject SKU VM01015006 if ports, seams or brackets are damaged.
Keep 171121407F sealed against workshop dust before installation.
During VM01015006 replacement, bleed the cooling circuit correctly and inspect every joint at operating temperature.
If coolant staining, pressure loss, brittle plastic or recurring low-level warnings continues, test the circuit around 171121407F.
Compatibility Checks for Distributors
Begin 171121407F verification with the complete OE reference.
Compare SKU VM01015006 against the original VOLKSWAGEN reservoir.
For 171121407F, record VIN, production date and catalogue conditions.
Cross references can locate VM01015006; they cannot guarantee interchange.
The model field for 171121407F stays blank without dependable evidence.
OE Reference Questions and Answers
What role does 171 121 407F perform in a VOLKSWAGEN vehicle?
OE 171121407F identifies the coolant expansion tank. In the VOLKSWAGEN system, 171121407F provides reserve volume for thermal expansion and returns coolant as the system cools.
How should a distributor screen 171 121 407F?
Approve 171121407F with VIN and production data. Match SKU VM01015006 directly against the removed tank. Regional changes can alter 171121407F connection geometry.
Which physical points must match on 171 121 407F?
On 171121407F, examine cap neck, hose ports, level-sensor provision, mounting tabs and shell seams. Use the VM01015006 gallery for orientation. Confirm 171121407F dimensions on the vehicle.
Which recurring complaint can involve 171 121 407F?
Inspect 171121407F when the vehicle shows coolant staining, pressure loss, brittle plastic or recurring low-level warnings. During VM01015006 diagnosis, test nearby hoses, seals and sensors. Do not treat 171121407F as the only possible cause.
Which order details should accompany an enquiry for 171 121 407F?
Request 171121407F pricing with item code VM01015006. Add quantity, destination and packaging instructions. Send original-part evidence when 171121407F needs application review.
Request Pricing for 171 121 407F
Send 171121407F quantity and destination to Yongshang Auto. Identify the request with SKU VM01015006. Add packing details and original-part evidence when 171121407F needs application review.
Reference-use notice: 171121407F identifies the reference, not guaranteed fitment. Confirm SKU VM01015006 through VIN, chassis and removed-part comparison.
