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Dorman 946-345 Drive Shaft - RearOE Quality 60-Day Returns
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Part #: 946-345

Dorman 946-345 Drive Shaft - Rear

Rear
⚙️ 28 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$1,156.23Free Shipping
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✅ 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, Express 2500, Express 3500, Savana 2500, and Savana 3500
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Dorman 946-345 Drive Shaft - Rear
BrandDorman
Part Number946-345
Shaft MaterialSteel
CV Joints IncludedNo
Grade TypeRegular
Shaft Diameter3.5
Slip YokeYes
Axle Nut IncludedNo
Drive Shaft Length (In)98.977 in
Drive Shaft Wall Thickness (In)0.083 in
Greaseable Drive ShaftYes
Overall Length AdjustableYes
Package Contents1 driveshaft

This part fits 28 vehicles. Search below:

YearMakeModelDrive TypeLitersCylindersFuel TypeWheel BasePositionNotes
2016ChevroletExpress 2500RWD6.6LV8DIESEL155.0"Rear2 Piece Shaft Assembly
2016ChevroletExpress 3500RWD6.6LV8DIESEL155.0"Rear2 Piece Shaft Assembly
2016GMCSavana 2500RWD6.6LV8DIESEL155.0"Rear2 Piece Shaft Assembly
2016GMCSavana 3500RWD6.6LV8DIESEL155.0"Rear2 Piece Shaft Assembly
2015ChevroletExpress 2500RWD6.6LV8DIESEL155.0"Rear2 Piece Shaft Assembly
2015ChevroletExpress 3500RWD6.6LV8DIESEL155.0"Rear2 Piece Shaft Assembly
2015GMCSavana 2500RWD6.6LV8DIESEL155.0"Rear2 Piece Shaft Assembly
2015GMCSavana 3500RWD6.6LV8DIESEL155.0"Rear2 Piece Shaft Assembly
2014ChevroletExpress 2500RWD6.6LV8DIESEL155.0"Rear2 Piece Shaft Assembly
2014ChevroletExpress 3500RWD6.6LV8DIESEL155.0"Rear2 Piece Shaft Assembly
2014GMCSavana 2500RWD6.6LV8DIESEL155.0"Rear2 Piece Shaft Assembly
2014GMCSavana 3500RWD6.6LV8DIESEL155.0"Rear2 Piece Shaft Assembly
2013ChevroletExpress 2500RWD6.6LV8DIESEL155.0"Rear2 Piece Shaft Assembly
2013ChevroletExpress 3500RWD6.6LV8DIESEL155.0"Rear2 Piece Shaft Assembly
2013GMCSavana 2500RWD6.6LV8DIESEL155.0"Rear2 Piece Shaft Assembly
2013GMCSavana 3500RWD6.6LV8DIESEL155.0"Rear2 Piece Shaft Assembly
2012ChevroletExpress 2500RWD6.6LV8DIESEL155.0"Rear2 Piece Shaft Assembly
2012ChevroletExpress 3500RWD6.6LV8DIESEL155.0"Rear2 Piece Shaft Assembly
2012GMCSavana 2500RWD6.6LV8DIESEL155.0"Rear2 Piece Shaft Assembly
2012GMCSavana 3500RWD6.6LV8DIESEL155.0"Rear2 Piece Shaft Assembly
2011ChevroletExpress 2500RWD6.6LV8DIESEL155.0"Rear2 Piece Shaft Assembly
2011ChevroletExpress 3500RWD6.6LV8DIESEL155.0"Rear2 Piece Shaft Assembly
2011GMCSavana 2500RWD6.6LV8DIESEL155.0"Rear2 Piece Shaft Assembly
2011GMCSavana 3500RWD6.6LV8DIESEL155.0"Rear2 Piece Shaft Assembly
2010ChevroletExpress 2500RWD6.6LV8DIESEL155.0"Rear2 Piece Shaft Assembly
2010ChevroletExpress 3500RWD6.6LV8DIESEL155.0"Rear2 Piece Shaft Assembly
2010GMCSavana 2500RWD6.6LV8DIESEL155.0"Rear2 Piece Shaft Assembly
2010GMCSavana 3500RWD6.6LV8DIESEL155.0"Rear2 Piece Shaft Assembly

* 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:

20817186

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

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