A-Premium Front Left CV Intermediate Shaft for Ram 1500 (2012–2018, 5‑lug 2019–20) — OE Spline Match, Includes Clips & O‑Ring

A-Premium Front Left (driver side) CV intermediate shaft engineered for 4WD Ram 1500s (2012–2018 and select 2019–2020 5‑lug models), supplied with retainer clips and O‑ring for direct replacement.

If your Ram 1500’s front left intermediate axle is worn, bent, or leaking, this A-Premium replacement shaft is built to restore drivetrain integrity without the wait for dealer parts. It’s designed for 4WD applications only and matches OE splines and compressed length so installation is straightforward for experienced technicians or competent DIYers. The package includes the axle shaft plus two retainer clips and an O‑ring, and A-Premium backs the part with a one‑year unlimited‑mileage guarantee.

Will this axle fit my Ram 1500?

This intermediate shaft fits Ram 1500 four‑wheel‑drive trucks from 2012 through 2018, and some 2019–2020 4WD models that have 5‑lug wheels. It does not fit rear‑wheel‑drive (RWD) trucks or 6‑lug wheel versions. Before ordering, confirm wheel lug count and drive configuration.

• Vehicle fitment: Ram 1500 2012–2018 (4WD only)
• Also fits Ram 1500 2019–2020 4WD models with 5‑lug wheels
• Not compatible with RWD or 6‑lug wheel models
• Reference numbers: 68146594AA, 68146594AB, 630444, 630-444, 663994IS, 66-3994IS

What are the key specifications I need to know?

The shaft is machined to match OE dimensions and spline counts so it interfaces correctly with both inboard and outboard components. Compressed length and spline counts are critical for fit; this unit is built to those exacts to prevent driveline vibration and misalignment after installation.

• Location: Front Left (Driver Side)
• Compressed length: 6.04 inches
• Inboard spline count: 37
• Outboard spline count: 29
• Package contents: 1 axle shaft, 2 retainer clips, 1 O‑ring

How is this A-Premium shaft made and what materials are used?

A-Premium crafts the intermediate shaft from heat‑treated solid steel, then forges and machines it to meet strict dimensional and durability standards. The manufacturing process emphasizes seismic performance and strength to withstand torsional loads typical in four‑wheel‑drive duty cycles.

• Construction: heat‑treated solid steel for strength
• Production: precision forging and machining to factory tolerances
• Durability focus: engineered for repeated torque cycles and road stresses
• Included hardware: retainer clips and O‑ring to complete the replacement

What warranty and support does A-Premium provide?

A-Premium includes a one‑year unlimited‑mileage guarantee on this CV intermediate shaft so you can replace with confidence. Their catalog also covers many other automotive accessories if you prefer to source multiple parts from a single supplier.

• Warranty: one‑year unlimited‑mileage guarantee
• Support: parts catalog for matching components and related accessories
• Return/fitment guidance: verify vehicle drive type and lug count before purchase

Who is this for? This A-Premium front left CV intermediate shaft is aimed at Ram 1500 owners and professional mechanics who need a durable, OE‑dimensioned replacement for 4WD models. It suits those replacing a damaged or leaking intermediate axle and who require included retainers and an O‑ring for a complete swap. If you drive a 2012–2018 Ram 1500 or a 2019–2020 4WD 5‑lug truck and want a rugged, heat‑treated steel shaft backed by a one‑year guarantee, this part is a direct-fit aftermarket solution.