Will this fit my Silverado or Sierra?

It is listed for 2014-2018 Silverado 1500, 2015-2018 Silverado 2500 HD and 3500 HD, 2019 Silverado 1500 LD, and the matching GMC Sierra 1500, 1500 Limited, 2500 HD and 3500 HD years. Check your cab style and year before ordering.

The flanged edge pushes into the window channel and the 3M automotive tape holds it in place. No drilling is needed, but the channel must be clean for the tape to stick.

Does it block my view?

The smoke acrylic is see-through, so visibility through the side glass stays clear. The tint is dark enough to cut glare.

Can I still use a car wash?

Yes, but keep the windows up and avoid high-pressure spray aimed straight at the deflector edges, which can work the tape loose.

A four-piece wind deflector set, one for each door.

Does it help with rain?

Yes. With the window cracked, air still flows in while rain is deflected away from the opening.

What do buyers say about the Westin 72-39917 Matte In-Channel Wind Deflector 4pc?

Rated 4.1 out of 5 from 35 ratings.

Where can I buy the Westin 72-39917 Matte In-Channel Wind Deflector 4pc?

12 stores we checked sell it, including HighLift Off-Road, TrailRecon, Autoplicity, Westin Automotive, Radco Truck Accessories.

Westin 72-39917 In-Channel Wind Deflector Price History: $70.65

Q: Where is the Westin 72-39917 Matte In-Channel Wind Deflector 4pc cheapest?

At Westin Automotive, for $70.65, 41% under what the other stores charge, as of our latest check.

What reviewers say

4.1 / 535 ratings

Owners rate the set around 4.1 out of 5. Most like the flush in-channel look and the drop in highway wind noise, while a minority complain about fit and tape adhesion.

What people mention

FitmentMixedSome owners say the pieces fit their cab well, while others report gaps or tight spots on certain year and cab combos.
Wind noisePraisedDrivers say highway buffeting and wind roar drop noticeably with the windows cracked.
AdhesionCriticisedA few owners report the 3M tape loosening over time, especially in heat.
AppearancePraisedOwners like the flush in-channel look and the smoke tint against the glass.
Window operationMixedSome say the glass slides past fine; others note the window slows or catches if the deflector is not seated right.

From HighLift Off-Road

Reduces wind noise, heat and glare without blocking fresh air
Flanged edge inserts into the window channel and secures with 3M automotive grade tape
Promotes fresh air circulation while redirecting airflow up and into or out of the vehicle
Sleek design deflects wind and noise for a more pleasant ride year-round
Made from high-gloss smoke acrylic with transparency so visibility is never obstructed
4-piece set in matte black

Materials: High-gloss smoke acrylic
Fit: In-channel mounting; flanged edge inserts into the window channel and secures with 3M automotive grade tape
Sizing: Fits Chevy Silverado 1500 (2014-2018), Silverado 1500 LD (2019), Silverado 2500 HD (2015-2018), Silverado 3500 HD (2015-2018), GMC Sierra 1500 (2014-2018), Sier
Returns: Returns within 14 days on unused items in original condition (25% restocking fee).
Shipping: Ships to US addresses; rates calculated at checkout, tracking emailed when it ships.
In the box: 4-piece wind deflector set

About the Westin 72-39917 Matte In-Channel Wind Deflector 4pc

This is a 4-piece set of in-channel wind deflectors in matte black. They reduce wind noise, heat and glare, and fresh air still comes in when the windows are rolled down slightly.

Each deflector is made from smoke acrylic. It is transparent, so visibility is not obstructed. A flanged edge inserts into the window channel and is secured with 3M automotive grade tape.

The deflectors redirect airflow up and into or out of the vehicle. This lowers the volume and strength of the incoming air while fresh air keeps circulating.

Material: High-gloss smoke acrylic
Finish: Matte black
Mounting: In-channel; secured with 3M automotive grade tape
In the box: 4-piece wind deflector set
Fits: Chevy Silverado 1500 (2014-2018), Silverado 1500 LD (2019), Silverado 2500 HD and 3500 HD (2015-2018)
Also fits: GMC Sierra 1500 (2014-2018), Sierra 1500 Limited (2019), Sierra 2500 HD and 3500 HD (2015-2018)
MPN: 72-39917
UPC: 00707742081976