HomeBody > Truck BoxDorman 926-982 Truck Bed Floor Support - Rear
Part #: 6426MSN

Dorman 926-982 Truck Bed Floor Support - Rear

⚙️ 96 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$335.02Free 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

Durable Truck Bed Floor Support for Chevrolet and GMC Trucks

The Dorman 926-982 truck bed floor support is engineered specifically for Chevrolet and GMC full-size trucks, including C1500, C2500, K1500, and K2500 models. Designed to restore structural integrity, this steel replacement part offers reliable support for your truck bed floor.

  • Constructed from 4mm thick steel for strength and durability
  • Comes with 4 crossmembers and 4 mounting bolts for complete installation
  • Pre-primed with a base primer coating to resist corrosion
  • Multi-piece configuration designed for specific fitment on Chevrolet and GMC trucks
  • Weld attachment type ensures a secure and lasting connection
  • No drilling required for installation, simplifying the replacement process
  • Dimensions: 1625 mm length, 112.9 mm width, and 75 mm depth

Product Details and Specifications

The Dorman 926-982 truck bed floor support is manufactured from high-quality steel with a 4mm material thickness, providing the necessary rigidity to support the truck bed floor. Its multi-piece design includes four crossmembers that distribute weight evenly and enhance the structural stability of the truck bed. The part is pre-coated with a primer to help prevent rust and corrosion, extending the lifespan of the support. This replacement part is designed specifically for Chevrolet C1500, C2500 and GMC K1500, K2500 trucks, ensuring precise fitment and compatibility.

Common Applications and Problem Resolution

  • Restores sagging or weakened truck bed floors
  • Replaces rusted or damaged floor supports
  • Improves load-bearing capacity of the truck bed
  • Prevents further structural damage to the truck bed
  • Supports heavy cargo safely during transport

Installation Notes and Tips

Installation of the Dorman 926-982 truck bed floor support requires welding, as the attachment type is weld-based. No drilling is necessary, which helps maintain the integrity of the truck bed. The package includes four mounting bolts and four crossmembers to facilitate proper assembly. It is recommended to have professional welding equipment and experience to ensure a secure and safe installation. Always verify compatibility with your specific Chevrolet or GMC truck model before installation.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 926-982 truck bed floor support undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.

BrandMPA Electrical
Part Number6426MSN
DesignDirect Drive
ManufacturerDelco
RotationClockwise
Teeth9
Volts12 Volts
kW Rating1.6 kW

This part fits 96 vehicles. Search below:

YearMakeModelBed TypeBed LengthPositionNotes
2000ChevroletC2500Fleetside6' 6" Foot BedRearBed
2000ChevroletK2500Fleetside6' 6" Foot BedRearBed
2000GMCC2500Fleetside6' 6" Foot BedRearBed
2000GMCK2500Fleetside6' 6" Foot BedRearBed
1999ChevroletC1500Fleetside6' 6" Foot BedRearBed
1999ChevroletC2500Fleetside6' 6" Foot BedRearBed
1999ChevroletK1500Fleetside6' 6" Foot BedRearBed
1999ChevroletK2500Fleetside6' 6" Foot BedRearBed
1999GMCC1500Fleetside6' 6" Foot BedRearBed
1999GMCC2500Fleetside6' 6" Foot BedRearBed
1999GMCK1500Fleetside6' 6" Foot BedRearBed
1999GMCK2500Fleetside6' 6" Foot BedRearBed
1998ChevroletC1500Fleetside6' 6" Foot BedRearBed
1998ChevroletC2500Fleetside6' 6" Foot BedRearBed
1998ChevroletK1500Fleetside6' 6" Foot BedRearBed
1998ChevroletK2500Fleetside6' 6" Foot BedRearBed
1998GMCC1500Fleetside6' 6" Foot BedRearBed
1998GMCC2500Fleetside6' 6" Foot BedRearBed
1998GMCK1500Fleetside6' 6" Foot BedRearBed
1998GMCK2500Fleetside6' 6" Foot BedRearBed
1997ChevroletC1500Fleetside6' 6" Foot BedRearBed
1997ChevroletC2500Fleetside6' 6" Foot BedRearBed
1997ChevroletK1500Fleetside6' 6" Foot BedRearBed
1997ChevroletK2500Fleetside6' 6" Foot BedRearBed
1997GMCC1500Fleetside6' 6" Foot BedRearBed
1997GMCC2500Fleetside6' 6" Foot BedRearBed
1997GMCK1500Fleetside6' 6" Foot BedRearBed
1997GMCK2500Fleetside6' 6" Foot BedRearBed
1996ChevroletC1500Fleetside6' 6" Foot BedRearBed
1996ChevroletC2500Fleetside6' 6" Foot BedRearBed
1996ChevroletK1500Fleetside6' 6" Foot BedRearBed
1996ChevroletK2500Fleetside6' 6" Foot BedRearBed
1996GMCC1500Fleetside6' 6" Foot BedRearBed
1996GMCC2500Fleetside6' 6" Foot BedRearBed
1996GMCK1500Fleetside6' 6" Foot BedRearBed
1996GMCK2500Fleetside6' 6" Foot BedRearBed
1995ChevroletC1500Fleetside6' 6" Foot BedRearBed
1995ChevroletC2500Fleetside6' 6" Foot BedRearBed
1995ChevroletK1500Fleetside6' 6" Foot BedRearBed
1995ChevroletK2500Fleetside6' 6" Foot BedRearBed
1995GMCC1500Fleetside6' 6" Foot BedRearBed
1995GMCC2500Fleetside6' 6" Foot BedRearBed
1995GMCK1500Fleetside6' 6" Foot BedRearBed
1995GMCK2500Fleetside6' 6" Foot BedRearBed
1994ChevroletC1500Fleetside6' 6" Foot BedRearBed
1994ChevroletC2500Fleetside6' 6" Foot BedRearBed
1994ChevroletK1500Fleetside6' 6" Foot BedRearBed
1994ChevroletK2500Fleetside6' 6" Foot BedRearBed
1994GMCC1500Fleetside6' 6" Foot BedRearBed
1994GMCC2500Fleetside6' 6" Foot BedRearBed
1994GMCK1500Fleetside6' 6" Foot BedRearBed
1994GMCK2500Fleetside6' 6" Foot BedRearBed
1993ChevroletC1500Fleetside6' 6" Foot BedRearBed
1993ChevroletC2500Fleetside6' 6" Foot BedRearBed
1993ChevroletK1500Fleetside6' 6" Foot BedRearBed
1993ChevroletK2500Fleetside6' 6" Foot BedRearBed
1993GMCC1500Fleetside6' 6" Foot BedRearBed
1993GMCC2500Fleetside6' 6" Foot BedRearBed
1993GMCK1500Fleetside6' 6" Foot BedRearBed
1993GMCK2500Fleetside6' 6" Foot BedRearBed
1992ChevroletC1500Fleetside6' 6" Foot BedRearBed
1992ChevroletC2500Fleetside6' 6" Foot BedRearBed
1992ChevroletK1500Fleetside6' 6" Foot BedRearBed
1992ChevroletK2500Fleetside6' 6" Foot BedRearBed
1992GMCC1500Fleetside6' 6" Foot BedRearBed
1992GMCC2500Fleetside6' 6" Foot BedRearBed
1992GMCK1500Fleetside6' 6" Foot BedRearBed
1992GMCK2500Fleetside6' 6" Foot BedRearBed
1991ChevroletC1500Fleetside6' 6" Foot BedRearBed
1991ChevroletC2500Fleetside6' 6" Foot BedRearBed
1991ChevroletK1500Fleetside6' 6" Foot BedRearBed
1991ChevroletK2500Fleetside6' 6" Foot BedRearBed
1991GMCC1500Fleetside6' 6" Foot BedRearBed
1991GMCC2500Fleetside6' 6" Foot BedRearBed
1991GMCK1500Fleetside6' 6" Foot BedRearBed
1991GMCK2500Fleetside6' 6" Foot BedRearBed
1990ChevroletC1500Fleetside6' 6" Foot BedRearBed
1990ChevroletC2500Fleetside6' 6" Foot BedRearBed
1990ChevroletK1500Fleetside6' 6" Foot BedRearBed
1990ChevroletK2500Fleetside6' 6" Foot BedRearBed
1990GMCC1500Fleetside6' 6" Foot BedRearBed
1990GMCC2500Fleetside6' 6" Foot BedRearBed
1990GMCK1500Fleetside6' 6" Foot BedRearBed
1990GMCK2500Fleetside6' 6" Foot BedRearBed
1989ChevroletC1500Fleetside6' 6" Foot BedRearBed
1989ChevroletC2500Fleetside6' 6" Foot BedRearBed
1989ChevroletK1500Fleetside6' 6" Foot BedRearBed
1989ChevroletK2500Fleetside6' 6" Foot BedRearBed
1989GMCC1500Fleetside6' 6" Foot BedRearBed
1989GMCC2500Fleetside6' 6" Foot BedRearBed
1989GMCK1500Fleetside6' 6" Foot BedRearBed
1989GMCK2500Fleetside6' 6" Foot BedRearBed
1988ChevroletC1500Fleetside6' 6" Foot BedRearBed
1988ChevroletK1500Fleetside6' 6" Foot BedRearBed
1988GMCC1500Fleetside6' 6" Foot BedRearBed
1988GMCK1500Fleetside6' 6" Foot BedRearBed

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

This part directly replaces or is cross-referenced with the following part numbers:

10455008104550091045504510455046104550581046503010465039104650991046510010495524104965241109546191362161998476199850919985121998534199854219985506426

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.