Cardone
CV Intermediate Shaft

Cardone 66-3994IS CV Intermediate Shaft - Front Left

Brand Cardone 66-3994IS
Position Front Left
ABS Ring Included Yes
Compressed Length (in) 6.04330708661417
E-Waste No
Input Shaft Connection Style Spline
Input Shaft Connection Style Splined
Input Shaft Spline Count 34
Material Steel
Output Shaft Connection Style Spline
Output Shaft Connection Style Splined
Output Shaft Spline Count 29
Package Contents Complete axle, instruction sheet
Product Condition New
Spindle Nut Included Yes
Product line CV Intermediate Shaft
Fits Ram · 9 vehicles

OE performance. Built to meet or exceed OEM standards for dependable operation.

100% new. Provides reliable performance with new seals where applicable.

Steel construction. Engineered for a durable driveline component.

Cross-references Ram Trucks 68146594AA and Ram Trucks 68146594AB for the same application. See all 2.

$68.22Free shipping
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Cardone CV Intermediate Shaft for Ram 1500

The Cardone CV Intermediate Shaft, part number 66-3994IS, is a new driveline replacement for front-left applications on select Ram 1500 models. Built to meet or exceed OEM performance, it provides a direct-fit solution for restoring driveline function on the Ram 1500 front left side.

Key Features

  • Part number 66-3994IS CV intermediate shaft for select Ram 1500 applications
  • Fits 2012-2020 Ram 1500, front left
  • 100% new construction for consistent performance
  • Steel shaft construction for strength and durability
  • ABS ring included
  • Supplied with new seals where applicable
  • Spindle nut included
  • Input shaft: splined, 34 spline count
  • Output shaft: splined, 29 spline count

Product Details

Cardone’s CV Intermediate Shaft line is offered separately from the complete constant velocity drive axle, giving you the option to replace the intermediate shaft alone when that is the needed repair. This 66-3994IS unit is built as a new replacement component and is engineered to meet or exceed OEM performance standards. For Ram 1500 driveline service, it provides the correct front-left fitment and the connection details needed for a proper installation.

This part cross-references Ram Trucks 68146594AA and 68146594AB for the same application.

Common Repair Symptoms

  • Front-end vibration during acceleration
  • Clicking or driveline noise from the front left side
  • Worn splines or connection wear at the intermediate shaft
  • ABS-related service concerns when the shaft-mounted ring is damaged
  • Loss of smooth power transfer through the front driveline

Installation Notes

Verify front-left fitment before installation on 2012-2020 Ram 1500 models. Confirm spline counts, shaft length, and ABS ring configuration against the original part before assembly. Follow the included instruction sheet and inspect mating components, seals, and related driveline hardware for wear during service.

Quality Assurance

Cardone New CV Intermediate Shafts are built to meet or exceed OEM performance and are supplied as new components for reliable service. The brand’s CV Intermediate Shaft line is positioned as a standalone replacement option for driveline repairs where the intermediate shaft is the required service part.

This part fits 9 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelDrive TypePositionNotes
2020Ram15004WDFront LeftCV Intermediate Shaft
2019Ram15004WDFront LeftCV Intermediate Shaft
2018Ram15004WDFront LeftCV Intermediate Shaft
2017Ram15004WDFront LeftCV Intermediate Shaft
2016Ram15004WDFront LeftCV Intermediate Shaft
2015Ram15004WDFront LeftCV Intermediate Shaft
2014Ram15004WDFront LeftCV Intermediate Shaft
2013Ram15004WDFront LeftCV Intermediate Shaft
2012Ram15004WDFront LeftCV Intermediate Shaft
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Ram Trucks — 68146594AARam Trucks — 68146594AB