21720-02W02 Coolant Expansion Tank for NISSAN
Product: Coolant Expansion Tank
Primary OE: 21720-02W02
Item code: NS01015001
Cross-reference numbers:
21720-02W02
Brand: NISSAN
Application reference: NISSAN 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: Provide barcode, label language and master-carton marking requirements.
21720-02W02 is a replacement reservoir listed under its primary OE reference. This NISSAN record identifies SKU NS01015001 by OE evidence. Buyers can therefore separate 2172002W02 from similar-looking reservoirs.
Confirm the vehicle catalogue entry before relying on shape alone. For 2172002W02, no unverified model is published. The blank model filter protects SKU NS01015001 from unsupported fitment claims.
Product Technical Specifications
| Product type | Coolant Expansion Tank |
|---|---|
| Primary OE reference | 21720-02W02 |
| Internal item code | NS01015001 |
| Vehicle brand | NISSAN |
| Model filter | Not specified; verify by VIN and original part |
| Cross-reference numbers | 21720-02W02 |
Clean Storage and Installation
Inspect 2172002W02 before transferring service hardware.
Reject SKU NS01015001 if ports, seams or brackets are damaged.
Keep 2172002W02 sealed against workshop dust before installation.
During NS01015001 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 2172002W02.
OE Number and Application Verification
Begin 2172002W02 verification with the complete OE reference.
Compare SKU NS01015001 against the original NISSAN reservoir.
For 2172002W02, record VIN, production date and catalogue conditions.
Cross references can locate NS01015001; they cannot guarantee interchange.
The model field for 2172002W02 stays blank without dependable evidence.
International Order Preparation
Use 2172002W02 as the principal purchasing reference.
Pair 2172002W02 with internal item code NS01015001.
For SKU NS01015001, state quantity, destination and label requirements.
Yongshang Auto can review 2172002W02 samples and export cartons.
NISSAN distributors may request NS01015001 packing confirmation before shipment.
System Function Under Daily Driving
OE 2172002W02 identifies a coolant expansion tank for the NISSAN engine cooling circuit.
Inside that circuit, 2172002W02 provides reserve volume for thermal expansion and returns coolant as the system cools.
SKU NS01015001 must keep coolant available without external leakage.
After installing 2172002W02, observe level stability and connection dryness.
Reservoir Geometry Inspection
Place 2172002W02 beside the removed tank before installation.
On SKU NS01015001, compare cap neck, hose ports, level-sensor provision, mounting tabs and shell seams.
Every 2172002W02 connection should align without body stress.
Review 3 square images showing SKU NS01015001 from available angles.
Final approval of 2172002W02 still requires physical measurement.
Questions Before Sample Approval
What role does 21720-02W02 perform in a NISSAN vehicle?
OE 2172002W02 identifies the coolant expansion tank. In the NISSAN system, 2172002W02 provides reserve volume for thermal expansion and returns coolant as the system cools.
Which evidence is required to approve 21720-02W02?
Approve 2172002W02 with VIN and production data. Match SKU NS01015001 directly against the removed tank. Regional changes can alter 2172002W02 connection geometry.
What measurements help approve 21720-02W02?
On 2172002W02, examine cap neck, hose ports, level-sensor provision, mounting tabs and shell seams. Use the NS01015001 gallery for orientation. Confirm 2172002W02 dimensions on the vehicle.
How can a failing reservoir be identified at 21720-02W02?
Inspect 2172002W02 when the vehicle shows coolant staining, pressure loss, brittle plastic or recurring low-level warnings. During NS01015001 diagnosis, test nearby hoses, seals and sensors. Do not treat 2172002W02 as the only possible cause.
Which order details should accompany an enquiry for 21720-02W02?
Request 2172002W02 pricing with item code NS01015001. Add quantity, destination and packaging instructions. Send original-part evidence when 2172002W02 needs application review.
Source 21720-02W02 for Distribution
Send 2172002W02 quantity and destination to Yongshang Auto. Identify the request with SKU NS01015001. Add packing details and original-part evidence when 2172002W02 needs application review.
Compatibility reminder: 2172002W02 identifies the reference, not guaranteed fitment. Confirm SKU NS01015001 through VIN, chassis and removed-part comparison.
