Windshield Washer Reservoir Filler Neck 85316-78021 for Lexus NX
8531678021 - Electrical components
Price Details
Dealer Price ≠ Your Price
Official dealer price is only a benchmark. Your LongTop quote is significantly lower.
| Brand | Longtop Supply Quote | Action |
|---|---|---|
| Lexus | $2.86 | Check Better Price |
Replacements
Alternative OE numbers related to this product.
| Brand | Original OE | Replacement OE |
|---|---|---|
| - | 8531678021 | 8531678020 |
Compatible Models
Vehicle models currently mapped to this OE part.
Product Overview
This is a genuine Lexus OEM filler pipe of front windshield wiper water bottle, OE 85316-78021, which carries washer fluid from the filler neck into the reservoir. It is used on LEXUS NX SERIES, built from 2014 onwards. 4 cross-reference numbers apply, including 85316-78020, 85316-78030 and 85316-42350.
Ask for a wholesale quotation with your VIN or OE number; we ship worldwide.
Technical Specifications
| OE Number | 8531678021 |
| Part Name | Filler pipe of front windshield wiper water bottle |
| Brand | Toyota |
| Position | Front, engine bay (washer reservoir filler neck) |
| Type | Washer Fluid Reservoir Filler Pipe (Filler Tube Cap Washer A) |
OE Cross-Reference
| 85316-78020 | Lexus |
| 85316-78030 | Lexus |
| 85316-42350 | Toyota |
| 85316-48230 | Toyota |
Questions and Answers
Which Toyota or Lexus vehicles is 85316-78021 used on?
85316-78021 covers LEXUS NX SERIES, with production years from 2014 onwards. Chassis codes include AGZ1#, AYZ1#, ZGZ1#.
Which chassis codes does 85316-78021 cover?
Chassis codes include AGZ1#, AYZ1#, ZGZ1#.
What part numbers replace 85316-78021?
Listed on this page are 4 interchangeable numbers for 85316-78021, among them 85316-78020 (Lexus), 85316-78030 (Lexus), 85316-42350 (Toyota), 85316-48230 (Toyota).
Where is 85316-78021 installed on the vehicle?
It is fitted in the Front, engine bay (washer reservoir filler neck) position.
How many pieces are needed for 85316-78021?
Sold as one piece per position – check the quantity required for your application.
Is there anything I need to know before installing this part?
A few points before you fit it: Compare the number on the part with your invoice before installation, and follow the torque values in the service manual.
Is the genuine part worth it compared with an aftermarket equivalent?
What the genuine item buys you is concrete: the number is confirmed against the official Toyota catalog, so the application is exactly right for your chassis; and the part is verified against the OE number before dispatch, so you receive exactly what your chassis requires. These are the aftermarket equivalents you may also see quoted.
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