701 121 407B Coolant Expansion Tank for VOLKSWAGEN
Product: Coolant Expansion Tank
Primary OE: 701 121 407B
Item code: VM01015-013
Cross-reference numbers:
701 121 407B
701 121 407C
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: Batch identification can be aligned with importer traceability needs.
701 121 407B is listed as a vehicle-specific replacement reservoir. This VOLKSWAGEN record identifies SKU VM01015013 by OE evidence. Buyers can therefore separate 701121407B from similar-looking reservoirs.
Check chassis and engine conditions because similar tanks may use different ports. For 701121407B, no unverified model is published. The blank model filter protects SKU VM01015013 from unsupported fitment claims.
Product Technical Specifications
| Product type | Coolant Expansion Tank |
|---|---|
| Primary OE reference | 701 121 407B |
| Internal item code | VM01015-013 |
| Vehicle brand | VOLKSWAGEN |
| Model filter | Not specified; verify by VIN and original part |
| Cross-reference numbers | 701 121 407B / 701 121 407C |
System Function Under Daily Driving
OE 701121407B identifies a coolant expansion tank for the VOLKSWAGEN engine cooling circuit.
Inside that circuit, 701121407B provides reserve volume for thermal expansion and returns coolant as the system cools.
SKU VM01015013 must keep coolant available without external leakage.
After installing 701121407B, observe level stability and connection dryness.
Installed Clearance Considerations
Place 701121407B beside the removed tank before installation.
On SKU VM01015013, compare cap neck, hose ports, level-sensor provision, mounting tabs and shell seams.
Every 701121407B connection should align without body stress.
Review 3 square images showing SKU VM01015013 from available angles.
Final approval of 701121407B still requires physical measurement.
B2B Procurement Notes
Use 701121407B as the principal purchasing reference.
Pair 701121407B with internal item code VM01015013.
For SKU VM01015013, state quantity, destination and label requirements.
Yongshang Auto can review 701121407B samples and export cartons.
VOLKSWAGEN distributors may request VM01015013 packing confirmation before shipment.
Material and Port Inspection
Inspect 701121407B before transferring service hardware.
Reject SKU VM01015013 if ports, seams or brackets are damaged.
Keep 701121407B sealed against workshop dust before installation.
During VM01015013 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 701121407B.
OE Number and Application Verification
Begin 701121407B verification with the complete OE reference.
Compare SKU VM01015013 against the original VOLKSWAGEN reservoir.
For 701121407B, record VIN, production date and catalogue conditions.
Cross references can locate VM01015013; they cannot guarantee interchange.
The model field for 701121407B stays blank without dependable evidence.
Frequently Asked Questions
What role does 701 121 407B perform in a VOLKSWAGEN vehicle?
OE 701121407B identifies the coolant expansion tank. In the VOLKSWAGEN system, 701121407B provides reserve volume for thermal expansion and returns coolant as the system cools.
What fitment review is recommended for 701 121 407B?
Approve 701121407B with VIN and production data. Match SKU VM01015013 directly against the removed tank. Regional changes can alter 701121407B connection geometry.
What should be compared with the removed 701 121 407B?
On 701121407B, examine cap neck, hose ports, level-sensor provision, mounting tabs and shell seams. Use the VM01015013 gallery for orientation. Confirm 701121407B dimensions on the vehicle.
What faults can point to 701 121 407B?
Inspect 701121407B when the vehicle shows coolant staining, pressure loss, brittle plastic or recurring low-level warnings. During VM01015013 diagnosis, test nearby hoses, seals and sensors. Do not treat 701121407B as the only possible cause.
How does a buyer begin procurement of 701 121 407B?
Request 701121407B pricing with item code VM01015013. Add quantity, destination and packaging instructions. Send original-part evidence when 701121407B needs application review.
Ask About 701 121 407B Export Packing
Send 701121407B quantity and destination to Yongshang Auto. Identify the request with SKU VM01015013. Add packing details and original-part evidence when 701121407B needs application review.
Fitment notice: 701121407B identifies the reference, not guaranteed fitment. Confirm SKU VM01015013 through VIN, chassis and removed-part comparison.
