HomeDriveline and Axles > Drive ShaftDorman 946-050 Drive Shaft - Rear
Part #: USEP2000

Dorman 946-050 Drive Shaft - Rear

⚙️ 20 vehicles fit this part
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Overview of Dorman 946-050 Drive Shaft for Chevrolet GMC K1500

The Dorman 946-050 drive shaft is designed specifically for Chevrolet and GMC K1500 models, providing a reliable replacement for your vehicle's driveline system. Constructed from aluminum, this drive shaft offers a balance of strength and reduced weight to maintain optimal driveline performance.

  • Durable aluminum shaft material for corrosion resistance and weight savings
  • Regular grade type suitable for standard driving conditions
  • 4-inch shaft diameter ensuring proper fit and torque handling
  • 73.125 inches in length with 0.083-inch wall thickness for structural integrity
  • Non-greaseable design for maintenance-free operation
  • Fixed overall length, not adjustable
  • Includes one rear driveshaft unit

Detailed Product Description

This Dorman drive shaft, part number 946-050, is engineered to meet the specifications required by Chevrolet and GMC K1500 trucks. The aluminum shaft material reduces overall weight compared to steel alternatives, which can contribute to improved fuel efficiency and reduced drivetrain stress. With a 4-inch diameter and 0.083-inch wall thickness, the shaft maintains the necessary strength to handle torque and rotational forces during vehicle operation. The fixed length of 73.125 inches ensures a precise fit for the rear driveline assembly without the need for adjustments. This drive shaft is designed without grease fittings, simplifying maintenance requirements.

Common Applications and Problem Resolution

  • Replacement for worn or damaged rear driveshafts on Chevrolet and GMC K1500 trucks
  • Addresses issues such as vibration or noise caused by bent or imbalanced shafts
  • Resolves driveline failures due to corrosion or material fatigue
  • Restores proper driveline alignment and torque transfer
  • Eliminates maintenance concerns related to grease fittings with a sealed design

Installation Notes and Tips

When installing the Dorman 946-050 drive shaft, ensure the vehicle is securely lifted and supported. Verify the shaft length and diameter match the original equipment specifications for your Chevrolet or GMC K1500. Since this drive shaft is non-greaseable and non-adjustable, no additional lubrication or length modifications are necessary. Torque all fasteners to manufacturer specifications to maintain driveline balance and prevent premature wear.

Quality Assurance and Warranty

Dorman manufactures this drive shaft to meet or exceed OEM standards for fit, form, and function. The aluminum construction provides corrosion resistance and durability under normal operating conditions. While specific warranty details are not provided here, Dorman typically offers limited warranties on their driveline components to cover defects in materials and workmanship.

This part fits 20 vehicles. Search below:

YearMakeModelBody TypeBed LengthDrive TypeWheel BasePositionNotes
1999ChevroletK1500Extended Cab Pickup6' 6" Foot Bed4WD141.5"Rearwo/Heavy Duty Chassis
1999GMCK1500Extended Cab Pickup6' 6" Foot Bed4WD141.5"Rearwo/Heavy Duty Chassis
1998ChevroletK1500Extended Cab Pickup6' 6" Foot Bed4WD141.5"Rearwo/Heavy Duty Chassis
1998GMCK1500Extended Cab Pickup6' 6" Foot Bed4WD141.5"Rearwo/Heavy Duty Chassis
1997ChevroletK1500Extended Cab Pickup6' 6" Foot Bed4WD141.5"Rearwo/Heavy Duty Chassis
1997GMCK1500Extended Cab Pickup6' 6" Foot Bed4WD141.5"Rearwo/Heavy Duty Chassis
1996ChevroletK1500Extended Cab Pickup6' 6" Foot Bed4WD141.5"Rearwo/Heavy Duty Chassis
1996GMCK1500Extended Cab Pickup6' 6" Foot Bed4WD141.5"Rearwo/Heavy Duty Chassis
1995ChevroletK1500Extended Cab Pickup6' 6" Foot Bed4WD141.5"Rearwo/Heavy Duty Chassis
1995GMCK1500Extended Cab Pickup6' 6" Foot Bed4WD141.5"Rearwo/Heavy Duty Chassis
1994ChevroletK1500Extended Cab Pickup6' 6" Foot Bed4WD141.5"Rearwo/Heavy Duty Chassis
1994GMCK1500Extended Cab Pickup6' 6" Foot Bed4WD141.5"Rearwo/Heavy Duty Chassis
1993ChevroletK1500Extended Cab Pickup6' 6" Foot Bed4WD141.5"Rearwo/Heavy Duty Chassis
1993GMCK1500Extended Cab Pickup6' 6" Foot Bed4WD141.5"Rearwo/Heavy Duty Chassis
1992GMCK1500Extended Cab Pickup6' 6" Foot Bed4WD141.5"Rearwo/Heavy Duty Chassis
1991ChevroletK1500Extended Cab Pickup6' 6" Foot Bed4WD141.5"Rearwo/Heavy Duty Chassis
1991GMCK1500Extended Cab Pickup6' 6" Foot Bed4WD141.5"Rearwo/Heavy Duty Chassis
1990ChevroletK1500Extended Cab Pickup6' 6" Foot Bed4WD141.5"Rearwo/Heavy Duty Chassis
1990GMCK1500Extended Cab Pickup6' 6" Foot Bed4WD141.5"Rearwo/Heavy Duty Chassis
1989ChevroletK1500Extended Cab Pickup6' 6" Foot Bed4WD141.5"Rearwo/Heavy Duty Chassis

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