A-Premium Front Left CV Intermediate Shaft for Ram 1500 2012–2018 & 2019–2020 5‑lug (4WD) — 37/29 Splines, Includes Clips & O‑ring

The A-Premium Front Left (Driver Side) CV Intermediate Shaft is a direct-fit replacement axle shaft engineered for 4WD Ram 1500 models from 2012–2018 and select 2019–2020 5-lug 4WD trucks.

Whether you’re repairing a worn axle or rebuilding a front end, this A-Premium CV intermediate shaft delivers the correct spline counts, compressed length, and hardware to restore drivetrain engagement on compatible Ram 1500 trucks. Built from heat-treated solid steel and finished with precision forging and machining, the assembly includes two retainer clips and an O-ring so installers have the core parts needed for a straightforward swap.

Which Ram 1500 trucks will this intermediate shaft fit?

This part fits 4WD Ram 1500 models from 2012 through 2018 and 2019–2020 4WD trucks that use 5-lug wheels. It is not compatible with RWD or 6-lug wheel configurations. Always verify your vehicle’s wheel lug count and drive type before ordering.

• Compatible: Ram 1500 2012–2018 (4WD)
• Compatible: Ram 1500 2019–2020 (4WD with 5-lug wheels)
• Not compatible: RWD Ram 1500 or 6-lug wheel models

What are the key specifications I need to know?

Critical measurements and spline counts match factory expectations for the stated fitment. This shaft’s compressed length and spline counts ensure proper engagement with associated CV joints and hub assemblies.

• Location: Front Left (Driver Side)
• Compressed length: 6.04 inches
• Inboard splines: 37; Outboard splines: 29
• Included hardware: 2 retainer clips and 1 O-ring

How is this A-Premium shaft constructed and what durability features does it have?

The shaft is forged and machined from heat-treated solid steel to withstand road loads and torsional stress. Precision manufacturing reduces vibration and play, while the durable finish helps resist wear in demanding driving conditions.

• Heat-treated solid steel construction for strength
• Precise forging and machining for tight tolerances
• Includes seals and clips to secure the shaft and prevent leaks

What does the warranty cover and what should I expect when buying?

A-Premium backs this CV intermediate shaft with a one-year unlimited-mileage guarantee against manufacturing defects. The part ships as a single shaft plus the retainer clips and O-ring so installers can complete a standard axle replacement without sourcing additional small hardware.

• One-year unlimited-mileage guarantee from A-Premium
• Reference numbers for cross-checking: 68146594AA, 68146594AB, 630444, 630-444, 663994IS, 66-3994IS
• Package content: 1 axle shaft, 2 retainer clips, 1 O-ring

Who is this for: This A-Premium Front Left CV Intermediate Shaft is intended for DIY mechanics, independent shops, and fleet technicians who need a reliable, direct-fit replacement for compatible Ram 1500 4WD trucks. If your vehicle matches the stated years and wheel configuration and you require OEM-style spline counts and length, this shaft provides the measured durability and included hardware to complete a confident repair.