HomeDriveline and Axles > Drive ShaftDorman 946-365 Drive Shaft - Rear
Part #: 946-365

Dorman 946-365 Drive Shaft - Rear

Rear
⚙️ 8 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$1,352.90Free 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
🚗Fitment: Chevrolet and GMC, Sierra 3500 HD and Silverado 3500 HD
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Drive Shaft for Chevrolet and GMC Heavy Duty Trucks

The Dorman 946-365 drive shaft is engineered to provide dependable driveline performance for Chevrolet Sierra 3500 HD and GMC Silverado 3500 HD models. Constructed from durable steel, this drive shaft is designed to meet the demands of heavy-duty applications while offering adjustability and maintenance features.

  • Constructed from high-strength steel for durability
  • Includes a slip yoke for smooth driveline operation
  • Greaseable design allows for easier maintenance
  • Overall length adjustable to ensure proper fitment
  • 112.374 inches in length with a 3.5-inch diameter shaft
  • Wall thickness of 0.083 inches for structural integrity
  • Compatible with Chevrolet Sierra 3500 HD and GMC Silverado 3500 HD
  • Does not include CV joints or axle nut

Durable Steel Construction and Adjustable Length

The Dorman 946-365 drive shaft features a robust steel shaft with a 3.5-inch diameter and 0.083-inch wall thickness, providing the strength needed for heavy-duty truck applications. Its greaseable design helps extend service life by allowing regular lubrication. The inclusion of a slip yoke and overall length adjustability ensures a precise fit and smooth driveline operation, accommodating variations in vehicle setup or suspension travel.

Compatible Applications and Use Cases

This drive shaft is specifically designed for use with Chevrolet Sierra 3500 HD and GMC Silverado 3500 HD trucks, making it a suitable replacement part for driveline repairs or upgrades. It is ideal for addressing issues such as:

  • Excessive vibration or noise from a worn or damaged drive shaft
  • Drive shaft length mismatch causing driveline binding
  • Failure of non-greaseable shafts leading to premature wear
  • Slip yoke wear affecting driveline smoothness
  • General driveline component replacement during maintenance

Installation Notes and Tips

When installing the Dorman 946-365 drive shaft, ensure the slip yoke is properly seated and the shaft length is adjusted to match the vehicle’s specifications. Regular greasing of the drive shaft is recommended to maintain optimal performance and prevent premature wear. Verify compatibility with your Chevrolet Sierra 3500 HD or GMC Silverado 3500 HD before installation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance for heavy-duty truck applications. While specific warranty details for part number 946-365 are not provided here, Dorman typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.

BrandDorman
Part Number946-365
Shaft MaterialSteel
CV Joints IncludedNo
Grade TypeRegular
Shaft Diameter3.5
Slip YokeYes
Axle Nut IncludedNo
Drive Shaft Length (In)112.374 in
Drive Shaft Wall Thickness (In)0.083 in
Greaseable Drive ShaftYes
Overall Length AdjustableYes
Package Contents1 driveshaft

This part fits 8 vehicles. Search below:

YearMakeModelBody TypeBed LengthDrive TypeTransmissionWheel BasePositionNotes
2010ChevroletSilverado 3500 HDCrew Cab Pickup8' 1" Foot BedRWDAutomatic167.7"Rear
2010GMCSierra 3500 HDCrew Cab Pickup8' 1" Foot BedRWDAutomatic167.0"Rear
2009ChevroletSilverado 3500 HDCrew Cab Pickup8' 1" Foot BedRWDAutomatic167.0"Rear
2009GMCSierra 3500 HDCrew Cab Pickup8' 1" Foot BedRWDAutomatic167.0"Rear
2008ChevroletSilverado 3500 HDCrew Cab Pickup8' 1" Foot BedRWDAutomatic167.0"Rear
2008GMCSierra 3500 HDCrew Cab Pickup8' 1" Foot BedRWDAutomatic167.0"Rear
2007ChevroletSilverado 3500 HDCrew Cab Pickup8' 1" Foot BedRWDAutomatic167.0"Rear
2007GMCSierra 3500 HDCrew Cab Pickup8' 1" Foot BedRWDAutomatic167.0"Rear

* 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:

15271507

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