Dorman 946-341 Drive Shaft

In stock
SKU: 591|946341
Confirm Fitment Before You Buy
Not sure it fits? Message Year/Make/Model/Engine (2WD/4WD if applicable) and we’ll help confirm compatibility.
Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
Regular price $1,314.48
Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.

Product details

  • SKU 591|946341
  • Barcode 885484434134

Product Description

Replacing a drive shaft doesn't have to be complicated. This complete drive shaft assembly is pre-balanced and ready to install with 100% new yokes, tubes, constant velocity (CV) joints and universal joints.

  • Direct replacement - this drive shaft is made to the original equipment dimensions for dependable fit and performance
  • 100% new - this drive shaft is made from all new components so there's no core charge or return hassle
  • Ready to install - this drive shaft arrives pre-balanced to make installation quick and simple
  • Serviceable construction - non-staked universal joints are designed for future serviceability

Detailed Applications

Year Make Model Configuration Positions Application Notes
2023 Chevrolet Express 3500 Cutaway Van; RWD; Automatic Trans.; 6L90 Trans.; 159.0 Inch Wheelbase Rear 2 Piece Shaft; w/RPO Code GT4 (3.73 Axle Ratio)
2023 Chevrolet Express 3500 Cutaway Van; RWD; Automatic Trans.; 6L90 Trans.; 159.0 Inch Wheelbase Rear 2 Piece Shaft; w/RPO Code GT5 (4.10 Axle Ratio)
2023 GMC Savana 3500 Cutaway Van; RWD; Automatic Trans.; 6L90 Trans.; 159.0 Inch Wheelbase Rear 2 Piece Shaft; w/RPO Code GT4 (3.73 Axle Ratio)
2023 GMC Savana 3500 Cutaway Van; RWD; Automatic Trans.; 6L90 Trans.; 159.0 Inch Wheelbase Rear 2 Piece Shaft; w/RPO Code GT5 (4.10 Axle Ratio)
2022 Chevrolet Express 3500 Cutaway Van; RWD; Automatic Trans.; 6L90 Trans.; 159.0 Inch Wheelbase Rear 2 Piece Shaft; w/RPO Code GT4 (3.73 Axle Ratio)
2022 Chevrolet Express 3500 Cutaway Van; RWD; Automatic Trans.; 6L90 Trans.; 159.0 Inch Wheelbase Rear 2 Piece Shaft; w/RPO Code GT5 (4.10 Axle Ratio)
2022 GMC Savana 3500 Cutaway Van; RWD; Automatic Trans.; 6L90 Trans.; 159.0 Inch Wheelbase Rear 2 Piece Shaft; w/RPO Code GT4 (3.73 Axle Ratio)
2022 GMC Savana 3500 Cutaway Van; RWD; Automatic Trans.; 6L90 Trans.; 159.0 Inch Wheelbase Rear 2 Piece Shaft; w/RPO Code GT5 (4.10 Axle Ratio)
2021 Chevrolet Express 3500 Cutaway Van; RWD; Automatic Trans.; 6L90 Trans.; 159.0 Inch Wheelbase Rear 2 Piece Shaft; w/RPO Code GT4 (3.73 Axle Ratio)
2021 Chevrolet Express 3500 Cutaway Van; RWD; Automatic Trans.; 6L90 Trans.; 159.0 Inch Wheelbase Rear 2 Piece Shaft; w/RPO Code GT5 (4.10 Axle Ratio)
2021 GMC Savana 3500 Cutaway Van; RWD; Automatic Trans.; 6L90 Trans.; 159.0 Inch Wheelbase Rear 2 Piece Shaft; w/RPO Code GT4 (3.73 Axle Ratio)
2021 GMC Savana 3500 Cutaway Van; RWD; Automatic Trans.; 6L90 Trans.; 159.0 Inch Wheelbase Rear 2 Piece Shaft; w/RPO Code GT5 (4.10 Axle Ratio)
2020 Chevrolet Express 3500 Cutaway Van; RWD; Automatic Trans.; 6L90 Trans.; 159.0 Inch Wheelbase Rear 2 Piece Shaft Assembly; w/RPO Code GT4 (3.73 Axle Ratio)
2020 Chevrolet Express 3500 Cutaway Van; RWD; Automatic Trans.; 6L90 Trans.; 159.0 Inch Wheelbase Rear 2 Piece Shaft Assembly; w/RPO Code GT5 (4.10 Axle Ratio)
2020 GMC Savana 3500 Cutaway Van; RWD; Automatic Trans.; 6L90 Trans.; 159.0 Inch Wheelbase Rear 2 Piece Shaft Assembly; w/RPO Code GT4 (3.73 Axle Ratio)
2020 GMC Savana 3500 Cutaway Van; RWD; Automatic Trans.; 6L90 Trans.; 159.0 Inch Wheelbase Rear 2 Piece Shaft Assembly; w/RPO Code GT5 (4.10 Axle Ratio)
2019 Chevrolet Express 3500 Cutaway Van; RWD; Automatic Trans.; 6L90 Trans.; 159.0 Inch Wheelbase Rear 2 Piece Shaft Assembly; w/RPO Code GT4 (3.73 Axle Ratio)
2019 Chevrolet Express 3500 Cutaway Van; RWD; Automatic Trans.; 6L90 Trans.; 159.0 Inch Wheelbase Rear 2 Piece Shaft Assembly; w/RPO Code GT5 (4.10 Axle Ratio)
2019 Chevrolet Express 4500 Cutaway; 4 X 2; Automatic Trans.; 6L90 Trans.; 159.0 Inch Wheelbase Rear 2 Piece Shaft Assembly; w/RPO Code GT4 (3.73 Axle Ratio)
2019 Chevrolet Express 4500 Cutaway; 4 X 2; Automatic Trans.; 6L90 Trans.; 159.0 Inch Wheelbase Rear 2 Piece Shaft Assembly; w/RPO Code GT5 (4.10 Axle Ratio)
2019 GMC Savana 3500 Cutaway Van; RWD; Automatic Trans.; 6L90 Trans.; 159.0 Inch Wheelbase Rear 2 Piece Shaft Assembly; w/RPO Code GT4 (3.73 Axle Ratio)
2019 GMC Savana 3500 Cutaway Van; RWD; Automatic Trans.; 6L90 Trans.; 159.0 Inch Wheelbase Rear 2 Piece Shaft Assembly; w/RPO Code GT5 (4.10 Axle Ratio)
2019 GMC Savana 4500 Cutaway; 4 X 2; Automatic Trans.; 6L90 Trans.; 159.0 Inch Wheelbase Rear 2 Piece Shaft Assembly; w/RPO Code GT4 (3.73 Axle Ratio)
2019 GMC Savana 4500 Cutaway; 4 X 2; Automatic Trans.; 6L90 Trans.; 159.0 Inch Wheelbase Rear 2 Piece Shaft Assembly; w/RPO Code GT5 (4.10 Axle Ratio)
2018 Chevrolet Express 3500 Cutaway Van; RWD; Automatic Trans.; 6L90 Trans.; 159.0 Inch Wheelbase Rear 2 Piece Shaft Assembly; w/RPO Code GT4 (3.73 Axle Ratio)
2018 Chevrolet Express 3500 Cutaway Van; RWD; Automatic Trans.; 6L90 Trans.; 159.0 Inch Wheelbase Rear 2 Piece Shaft Assembly; w/RPO Code GT5 (4.10 Axle Ratio)
2018 Chevrolet Express 4500 Cutaway; 4 X 2; Automatic Trans.; 6L90 Trans.; 159.0 Inch Wheelbase Rear 2 Piece Shaft Assembly; w/RPO Code GT4 (3.73 Axle Ratio)
2018 Chevrolet Express 4500 Cutaway; 4 X 2; Automatic Trans.; 6L90 Trans.; 159.0 Inch Wheelbase Rear 2 Piece Shaft Assembly; w/RPO Code GT5 (4.10 Axle Ratio)
2018 GMC Savana 3500 Cutaway Van; RWD; Automatic Trans.; 6L90 Trans.; 159.0 Inch Wheelbase Rear 2 Piece Shaft Assembly; w/RPO Code GT4 (3.73 Axle Ratio)
2018 GMC Savana 3500 Cutaway Van; RWD; Automatic Trans.; 6L90 Trans.; 159.0 Inch Wheelbase Rear 2 Piece Shaft Assembly; w/RPO Code GT5 (4.10 Axle Ratio)
2018 GMC Savana 4500 Cutaway; 4 X 2; Automatic Trans.; 6L90 Trans.; 159.0 Inch Wheelbase Rear 2 Piece Shaft Assembly; w/RPO Code GT4 (3.73 Axle Ratio)
2018 GMC Savana 4500 Cutaway; 4 X 2; Automatic Trans.; 6L90 Trans.; 159.0 Inch Wheelbase Rear 2 Piece Shaft Assembly; w/RPO Code GT5 (4.10 Axle Ratio)
2017 Chevrolet Express 3500 Cutaway Van; RWD; 159.0 Inch Wheelbase Rear w/Dual Rear Wheels (DRW); 2 Piece Shaft Assembly
2017 Chevrolet Express 4500 Cutaway; 4 X 2; 159.0 Inch Wheelbase Rear w/Dual Rear Wheels (DRW); 2 Piece Shaft Assembly
2017 GMC Savana 3500 Cutaway Van; RWD; 159.0 Inch Wheelbase Rear w/Dual Rear Wheels (DRW); 2 Piece Shaft Assembly
2017 GMC Savana 4500 Cutaway; 4 X 2; 159.0 Inch Wheelbase Rear w/Dual Rear Wheels (DRW); 2 Piece Shaft Assembly
2016 Chevrolet Express 3500 Cutaway Van; RWD; 159.0 Inch Wheelbase Rear w/Dual Rear Wheels (DRW); 2 Piece Shaft Assembly
2016 Chevrolet Express 3500 Cutaway Van; RWD; V8 403 6.6L (6599cc); 159.0 Inch Wheelbase Rear w/Single Rear Wheel (SRW); 2 Piece Shaft Assembly
2016 Chevrolet Express 4500 Cutaway; 4 X 2; 159.0 Inch Wheelbase Rear w/Dual Rear Wheels (DRW); 2 Piece Shaft Assembly
2016 Chevrolet Express 4500 Cutaway; 4 X 2; V8 403 6.6L (6599cc); 159.0 Inch Wheelbase Rear w/Single Rear Wheel (SRW); 2 Piece Shaft Assembly
2016 GMC Savana 3500 Cutaway Van; RWD; 159.0 Inch Wheelbase Rear w/Dual Rear Wheels (DRW); 2 Piece Shaft Assembly
2016 GMC Savana 3500 Cutaway Van; RWD; V8 403 6.6L (6599cc); 159.0 Inch Wheelbase Rear w/Single Rear Wheel (SRW); 2 Piece Shaft Assembly
2016 GMC Savana 4500 Cutaway; 4 X 2; 159.0 Inch Wheelbase Rear w/Dual Rear Wheels (DRW); 2 Piece Shaft Assembly
2016 GMC Savana 4500 Cutaway; 4 X 2; V8 403 6.6L (6599cc); 159.0 Inch Wheelbase Rear w/Single Rear Wheel (SRW); 2 Piece Shaft Assembly
2015 Chevrolet Express 3500 Cutaway Van; RWD; 159.0 Inch Wheelbase Rear w/Dual Rear Wheels (DRW); 2 Piece Shaft Assembly
2015 Chevrolet Express 3500 Cutaway Van; RWD; V8 403 6.6L (6599cc); 159.0 Inch Wheelbase Rear w/Single Rear Wheel (SRW); 2 Piece Shaft Assembly
2015 Chevrolet Express 4500 Cutaway; 4 X 2; 159.0 Inch Wheelbase Rear w/Dual Rear Wheels (DRW); 2 Piece Shaft Assembly
2015 Chevrolet Express 4500 Cutaway; 4 X 2; V8 403 6.6L (6599cc); 159.0 Inch Wheelbase Rear w/Single Rear Wheel (SRW); 2 Piece Shaft Assembly
2015 GMC Savana 3500 Cutaway Van; RWD; 159.0 Inch Wheelbase Rear w/Dual Rear Wheels (DRW); 2 Piece Shaft Assembly
2015 GMC Savana 3500 Cutaway Van; RWD; V8 403 6.6L (6599cc); 159.0 Inch Wheelbase Rear w/Single Rear Wheel (SRW); 2 Piece Shaft Assembly
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Product Specifications

Axle Nut Included: No
CV Joints Included: No
Drive Shaft Length (In): 103.194 in
Drive Shaft Wall Thickness (In): 0.083 in
Grade Type: Regular
Greaseable Drive Shaft: Yes
Overall Length Adjustable: Yes
Package Contents: 1 Driveshaft
Package Quantity: 1
Packaging Type: Box
Shaft Diameter: 3.5 in
Shaft Material: Steel
Slip Yoke: Yes

OE Numbers

DIRECT OE CROSS
20817184 GENERAL MOTORS
20919634 GENERAL MOTORS
20953083 GENERAL MOTORS
22759555 GENERAL MOTORS