2D0 121 403K Coolant Expansion Tank for VOLKSWAGEN
Product: Coolant Expansion Tank
Primary OE: 2D0 121 403K
Item code: VM01015-011
Cross-reference numbers:
2D0 121 403K
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.
2D0 121 403K supports repair programs that require documented reference matching. This VOLKSWAGEN record identifies SKU VM01015011 by OE evidence. Buyers can therefore separate 2D0121403K from similar-looking reservoirs.
Approve fitment only after the reference and mounting geometry agree. For 2D0121403K, no unverified model is published. The blank model filter protects SKU VM01015011 from unsupported fitment claims.
Product Technical Specifications
| Product type | Coolant Expansion Tank |
|---|---|
| Primary OE reference | 2D0 121 403K |
| Internal item code | VM01015-011 |
| Vehicle brand | VOLKSWAGEN |
| Model filter | Not specified; verify by VIN and original part |
| Cross-reference numbers | 2D0 121 403K |
Workshop Cleanliness Requirements
Inspect 2D0121403K before transferring service hardware.
Reject SKU VM01015011 if ports, seams or brackets are damaged.
Keep 2D0121403K sealed against workshop dust before installation.
During VM01015011 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 2D0121403K.
How the Tank Supports Fluid Management
OE 2D0121403K identifies a coolant expansion tank for the VOLKSWAGEN engine cooling circuit.
Inside that circuit, 2D0121403K provides reserve volume for thermal expansion and returns coolant as the system cools.
SKU VM01015011 must keep coolant available without external leakage.
After installing 2D0121403K, observe level stability and connection dryness.
Physical Details to Compare
Place 2D0121403K beside the removed tank before installation.
On SKU VM01015011, compare cap neck, hose ports, level-sensor provision, mounting tabs and shell seams.
Every 2D0121403K connection should align without body stress.
Review 3 square images showing SKU VM01015011 from available angles.
Final approval of 2D0121403K still requires physical measurement.
Vehicle Data Required for Fitment
Begin 2D0121403K verification with the complete OE reference.
Compare SKU VM01015011 against the original VOLKSWAGEN reservoir.
For 2D0121403K, record VIN, production date and catalogue conditions.
Cross references can locate VM01015011; they cannot guarantee interchange.
The model field for 2D0121403K stays blank without dependable evidence.
Bulk Order and Packaging Options
Use 2D0121403K as the principal purchasing reference.
Pair 2D0121403K with internal item code VM01015011.
For SKU VM01015011, state quantity, destination and label requirements.
Yongshang Auto can review 2D0121403K samples and export cartons.
VOLKSWAGEN distributors may request VM01015011 packing confirmation before shipment.
Workshop and Distributor FAQ
What role does 2D0 121 403K perform in a VOLKSWAGEN vehicle?
OE 2D0121403K identifies the coolant expansion tank. In the VOLKSWAGEN system, 2D0121403K provides reserve volume for thermal expansion and returns coolant as the system cools.
Which catalogue checks apply to 2D0 121 403K?
Approve 2D0121403K with VIN and production data. Match SKU VM01015011 directly against the removed tank. Regional changes can alter 2D0121403K connection geometry.
What visual checks are useful for 2D0 121 403K?
On 2D0121403K, examine cap neck, hose ports, level-sensor provision, mounting tabs and shell seams. Use the VM01015011 gallery for orientation. Confirm 2D0121403K dimensions on the vehicle.
How can a failing reservoir be identified at 2D0 121 403K?
Inspect 2D0121403K when the vehicle shows coolant staining, pressure loss, brittle plastic or recurring low-level warnings. During VM01015011 diagnosis, test nearby hoses, seals and sensors. Do not treat 2D0121403K as the only possible cause.
What is required for an export enquiry on 2D0 121 403K?
Request 2D0121403K pricing with item code VM01015011. Add quantity, destination and packaging instructions. Send original-part evidence when 2D0121403K needs application review.
Prepare a Purchase Enquiry for 2D0 121 403K
Send 2D0121403K quantity and destination to Yongshang Auto. Identify the request with SKU VM01015011. Add packing details and original-part evidence when 2D0121403K needs application review.
Installation reminder: 2D0121403K identifies the reference, not guaranteed fitment. Confirm SKU VM01015011 through VIN, chassis and removed-part comparison.
