Fuel Tank Overfill Check Valve Assembly 77390-08012 for Toyota Sienna
7739008012 - Engine parts
Price Details
Dealer Price ≠ Your Price
Official dealer price is only a benchmark. Your LongTop quote is significantly lower.
| Brand | Longtop Supply Quote | Action |
|---|---|---|
| Imported Toyota | $20.81 | Check Better Price |
| Lexus | $20.72 | Check Better Price |
Replacements
Alternative OE numbers related to this product.
| Brand | Original OE | Replacement OE |
|---|---|---|
| - | 7739008012 | 7739008010 |
Compatible Models
Vehicle models currently mapped to this OE part.
Product Overview
The genuine Toyota fuel tank overfill check valve assembly, OE 77390-08012, stores the fuel the engine burns. Fits SIENNA, built from 2003 to 2011. The listing carries one interchangeable number: 77390-08010.
Send your OE number or VIN for a wholesale quotation and worldwide shipping.
Technical Specifications
| OE Number | 7739008012 |
| Part Name | Fuel Tank |
| Brand | Toyota |
| Position | Fuel tank (filler neck / fuel tank) |
| Type | Fuel tank over fill check valve assembly |
OE Cross-Reference
| 77390-08010 | Toyota |
Questions and Answers
Which Toyota and Lexus models does 77390-08012 fit?
Genuine Toyota Fuel Tank Overfill Check Valve Assembly 77390-08012 is used on SIENNA, built from 2003 to 2011. Chassis codes include ASL30, GSL3#, GSL2#, MCL2#.
Which chassis codes does 77390-08012 cover?
Chassis codes include ASL30, GSL3#, GSL2#, MCL2#.
Which OEM part numbers interchange with 77390-08012?
1 interchangeable part numbers are listed for 77390-08012, including 77390-08010 (Toyota).
How can I verify that 77390-08012 is a genuine Toyota part?
A genuine Fuel Tank Overfill Check Valve Assembly shows the Toyota number 77390-08012 on the box label with the country-of-origin marking. On the part itself, the pipe number is printed on the body and matches the packaging label, and fuel joints lock with a specific retaining clip rather than a hose clamp; and the pressure cap is marked with its relief pressure (0.9 or 1.1 bar), and Toyota colour-codes the caps – blue for 0.9 bar, green for 1.1 bar. Documentation is available on request – commercial invoice, packing list and Certificate of Origin.
Is 77390-08012 a front or rear part?
This part is listed for the Fuel tank (filler neck / fuel tank) position.
How many pieces are needed for 77390-08012?
Supplied as one piece per position – check the quantity required for your application.
Is the genuine part worth it compared with an aftermarket equivalent?
The genuine part earns its price in details that matter over time: the part is verified against the OE number before dispatch, so you receive exactly what your chassis requires; and the number is confirmed against the official Toyota catalog, so the application is exactly right for your chassis. These are the aftermarket equivalents you may also see quoted.
What documentation comes with an order?
Every shipment can include the commercial invoice and packing list, and on request a Certificate of Origin; the part number is printed on the body or cast into the housing, so you can match it against the invoice.
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