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WeatherTech

WeatherTech No-Drill MudFlaps 2020-2026 Silverado 3500HD Dually

WeatherTech No-Drill MudFlaps 2020-2026 Silverado 3500HD Dually

$219.90 USD
$219.90 USD
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110118-120121

Available to order — typically ships in ~1–2 weeks
  • Free shipping on orders $250+
  • Typically ships in ~1–2 weeks
  • 30-day hassle-free returns
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Key Features

  • Front and rear set: 110118 front pair plus the wide 120121 dually rear pair
  • Covers the T1XX Silverado 3500HD dually from 2020 to 2026
  • For trucks without OE splash guards fitted
  • Shares its front pair with the single-rear-wheel 110118-120118 kit
  • Chevrolet builds no factory dually 2500HD, so this is a 3500HD application
  • No-Drill mounting with QuickTurn stainless fasteners

The WeatherTech 110118-120121 is the dual-rear-wheel version of the current Silverado HD set, keeping the 110118 front and swapping in the wide 120121 dually rear.

Dually is a 3500HD configuration

You will see this kit described against the 2500HD as well. Chevrolet does not build a factory dually 2500HD, so in practice the application is the 3500HD. If you are shopping by badge rather than by axle, count the rear wheels first.

Fitment

Fits 2020-2026 Chevrolet Silverado 3500HD with dual rear wheels, on trucks without OE splash guards fitted.

What the set includes

  • 110118 front MudFlap pair
  • 120121 wide dual-rear-wheel rear MudFlap pair
  • QuickTurn fasteners and clips

Each flap is laser-measured to the vehicle's own body contour and mounts to existing factory holes with WeatherTech's QuickTurn stainless fasteners — no drilling into painted metal, no trimming, no wheel removal.

FAQ
Will it fit a single-rear-wheel truck?

No. That takes the narrower 120118 rear, sold as 110118-120118.

Is the front the same as the single-wheel kit?

Yes. Both share the 110118 front; only the rear differs.

Does it fit a 2019 Silverado 3500HD dually?

No. That is the previous generation and uses the 110035-120076 set.

Vehicle Fitment
Years Make Model Submodel
2020–2026 Chevrolet Silverado 3500HD DRW w/o OE Splash Guards

Specifications
sold as
front and rear set (4 flaps)
mounting
No-Drill, QuickTurn fasteners, existing factory holes
part type
No-Drill DigitalFit MudFlaps
rear axle
dual rear wheel (DRW)
rear component
120121
front component
110118
gating condition
WITHOUT OE splash guards

Shipping & Returns

Free shipping on orders $250+ (standard items). Oversized items ship at calculated rates.

30-day returns with RMA required. 15% restocking fee, buyer pays return shipping. Defective items returned free with full refund.

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