# WeatherTech 81866IM Dark Tint Rear Side Window Deflector for 2016-2023 Mazda CX-9

### Performance Overview

The WeatherTech Side Window Deflector is precision-machined for a perfect fit with your vehicle's window channel. They are made from the highest quality acrylic material available and is designed to ensure maximum performance with captivating style. The Side Window Deflector allows for fresh air to move into the vehicle while dissipating interior heat and keeping the rain out. The low-profile design ensures a near OEM look making this accessory perfect for a subtle boost in style. Installation is a breeze, no drilling necessary.

### Key Features

-   The WeatherTech Side Window Deflector is precision-machined for a perfect fit with your vehicle's window channel.
-   They are made from the highest quality acrylic material available and is designed to ensure maximum performance with captivating style.
-   The Side Window Deflector allows for fresh air to move into the vehicle while dissipating interior heat and keeping the rain out.
-   The low-profile design ensures a near OEM look making this accessory perfect for a subtle boost in style.
-   WeatherTech part number 81866IM.

### Vehicle Fitment

-   2016 Mazda CX-9 — Position: Rear Side Windows; Fitment Precision: GRAND TOURING, SIGNATURE, SPORT, TOURING
-   2017 Mazda CX-9 — Position: Rear Side Windows; Fitment Precision: GRAND TOURING, SIGNATURE, SPORT, TOURING
-   2018 Mazda CX-9 — Position: Rear Side Windows; Fitment Precision: GRAND TOURING, SIGNATURE, SPORT, TOURING
-   2019 Mazda CX-9 — Position: Rear Side Windows; Fitment Precision: GRAND TOURING, SIGNATURE, SPORT, TOURING
-   2020 Mazda CX-9 — Position: Rear Side Windows; Fitment Precision: GRAND TOURING, SIGNATURE, SPORT, TOURING
-   2021 Mazda CX-9 — Position: Rear Side Windows; Fitment Precision: CARBON EDITION, GRAND TOURING, SIGNATURE, SPORT, TOURING
-   2022 Mazda CX-9 — Position: Rear Side Windows; Fitment Precision: CARBON EDITION, GRAND TOURING, SIGNATURE, SPORT, TOURING, TOURING PLUS
-   2023 Mazda CX-9 — Position: Rear Side Windows; Fitment Precision: CARBON EDITION, GRAND TOURING, SIGNATURE, TOURING, TOURING PLUS

### FAQ

**Will this fit my vehicle?**  
Please verify your year, make, model, position, and any fitment notes using the compatibility list above before purchase.

**What part number is this?**  
The listed part number is 81866IM.

**Is this product designed for direct replacement?**  
Yes. This product is intended to match compatible vehicle applications listed in the fitment section.

**Should I confirm fitment before ordering?**  
Yes. Always compare your original part, position, and vehicle details with the fitment chart before ordering.

### Common Searches

-   Side Window Deflector for Mazda CX-9
-   81866IM fitment
-   WeatherTech Side Window Deflector
-   Rear Side Windows Side Window Deflector
-   2016 Mazda CX-9 Side Window Deflector

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2016

Mazda

CX-9

Rear Side Windows

GRAND TOURING, SIGNATURE, SPORT, TOURING

2017

Mazda

CX-9

Rear Side Windows

GRAND TOURING, SIGNATURE, SPORT, TOURING

2018

Mazda

CX-9

Rear Side Windows

GRAND TOURING, SIGNATURE, SPORT, TOURING

2019

Mazda

CX-9

Rear Side Windows

GRAND TOURING, SIGNATURE, SPORT, TOURING

2020

Mazda

CX-9

Rear Side Windows

GRAND TOURING, SIGNATURE, SPORT, TOURING

2021

Mazda

CX-9

Rear Side Windows

CARBON EDITION, GRAND TOURING, SIGNATURE, SPORT, TOURING

2022

Mazda

CX-9

Rear Side Windows

CARBON EDITION, GRAND TOURING, SIGNATURE, SPORT, TOURING, TOURING PLUS

2023

Mazda

CX-9

Rear Side Windows

CARBON EDITION, GRAND TOURING, SIGNATURE, TOURING, TOURING PLUS

## Details

- **Price:** 70.4 CAD
- **Vendor:** WeatherTech
- **Type:** Side Window Deflector
- **Tags:** 2016 Mazda CX-9, 2017 Mazda CX-9, 2018 Mazda CX-9, 2019 Mazda CX-9, 2020 Mazda CX-9, 2021 Mazda CX-9, 2022 Mazda CX-9, 2023 Mazda CX-9, 81866IM, Automotive, Automotive Performance, CARBON EDITION, Direct Replacement, GRAND TOURING, Rear Side Windows, Side Window Deflector, SIGNATURE, SPORT, TOURING, TOURING PLUS, Vehicle Specific, WeatherTech

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 70.40 CAD | In stock |

## Images

- WeatherTech 81866IM Dark Tint Rear Side Window Deflector for 2016-2023 Mazda CX-9

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> Source: [Standard Auto Part](www.standardautopart.com/products/weathertech-mazda-cx-9-side-window-deflector-81866im)
> Updated: 2026-06-17