Home› Body > Truck Box› Dorman 926-918 Truck Bed Molding - Left
Dorman 926-918 Truck Bed Molding - LeftOE Quality 60-Day Returns
Part #: 921-2122

Dorman 926-918 Truck Bed Molding - Left

23 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$379.90Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? See all Truck Bed Molding options

Direct-Replacement Bed Rail Cover

Dorman 926-918 is a direct-replacement truck bed molding for the left side of select Chevrolet Silverado 3500, Silverado 3500 HD, and GMC Sierra 3500 HD models. This black, textured plastic bed rail cover restores the original appearance while helping protect the bed rail from paint wear and body damage.

Built as a specific-fit, snap-fit replacement, this bed rail molding is made for vehicles that use a black seat cushion pad. If your original bed rail cover is cracked, broken, or missing, Dorman 926-918 provides a clean OE-style repair for the truck bed.

Key Features

  • Direct-replacement truck bed molding for the left side
  • Textured black plastic matches the original look
  • Specific-fit design for select Chevrolet Silverado 3500, Silverado 3500 HD, and GMC Sierra 3500 HD applications
  • Snap-fit attachment for a secure installation
  • No drilling or cutting required
  • Designed for vehicles with a black seat cushion pad
  • OE-style replacement part number 926-918

Detailed Description

This Dorman bed rail cover is engineered to replace damaged factory trim on the truck bed rail and help preserve the surrounding paint and bodywork. The molded plastic construction and textured black finish are intended to match the original part’s appearance, making it a practical repair for work trucks and daily drivers alike. Dorman 926-918 is a specific-fit solution for 2007-2014 Chevrolet Silverado 3500 HD, 2007-2013 Chevrolet Silverado 3500, and 2007-2014 GMC Sierra 3500 HD models on the left side.

This part cross-references OE number 25808209 for the same application.

What It Helps Repair

  • Cracked or broken truck bed rail cover
  • Exposed bed rail paint damage
  • Worn or missing left-side bed molding
  • Trim mismatch after prior body repair
  • Protection loss along the truck bed rail edge

Installation Notes

Installation uses a snap-fit attachment and does not require drilling or cutting. Mounting hardware is not included. Verify left-side placement and confirm the vehicle has a black seat cushion pad before installation. Because installation instructions are not included, compare the new molding to the original part and inspect all attachment points before fitting.

Quality Assurance

Dorman manufactures this replacement bed molding as a direct-fit part for the listed Chevrolet Silverado 3500, Silverado 3500 HD, and GMC Sierra 3500 HD applications. The part number is 926-918.

This part fits 23 vehicles. Search below:

YearMakeModelBed LengthPositionNotes
2014ChevroletSilverado 3500 HDLeftFits vehicles with a black seat cushion pad.
2014GMCSierra 3500 HDLeftFits vehicles with a black seat cushion pad.
2013ChevroletSilverado 3500LeftFits vehicles with a black seat cushion pad.
2013ChevroletSilverado 3500 HD8' 1" Foot BedLeftFits vehicles with a black seat cushion pad.
2013GMCSierra 3500 HD8' 1" Foot BedLeftFits vehicles with a black seat cushion pad.
2012ChevroletSilverado 3500LeftFits vehicles with a black seat cushion pad.
2012ChevroletSilverado 3500 HD8' 1" Foot BedLeftFits vehicles with a black seat cushion pad.
2012GMCSierra 3500 HD8' 1" Foot BedLeftFits vehicles with a black seat cushion pad.
2011ChevroletSilverado 3500LeftFits vehicles with a black seat cushion pad.
2011ChevroletSilverado 3500 HD8' 1" Foot BedLeftFits vehicles with a black seat cushion pad.
2011GMCSierra 3500 HD8' 1" Foot BedLeftFits vehicles with a black seat cushion pad.
2010ChevroletSilverado 3500LeftFits vehicles with a black seat cushion pad.
2010ChevroletSilverado 3500 HD8' 1" Foot BedLeftFits vehicles with a black seat cushion pad.
2010GMCSierra 3500 HD8' 1" Foot BedLeftFits vehicles with a black seat cushion pad.
2009ChevroletSilverado 3500LeftFits vehicles with a black seat cushion pad.
2009ChevroletSilverado 3500 HD8' 1" Foot BedLeftFits vehicles with a black seat cushion pad.
2009GMCSierra 3500 HD8' 1" Foot BedLeftFits vehicles with a black seat cushion pad.
2008ChevroletSilverado 3500LeftFits vehicles with a black seat cushion pad.
2008ChevroletSilverado 3500 HD8' 1" Foot BedLeftFits vehicles with a black seat cushion pad.
2008GMCSierra 3500 HD8' 1" Foot BedLeftFits vehicles with a black seat cushion pad.
2007ChevroletSilverado 3500LeftFits vehicles with a black seat cushion pad.
2007ChevroletSilverado 3500 HD8' 1" Foot BedLeftFits vehicles with a black seat cushion pad.
2007GMCSierra 3500 HD8' 1" Foot BedLeftFits vehicles with a black seat cushion pad.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Related Articles