Genuine NZ6Z-4K139-A Rear CV Axle Shaft Assembly Driver Side

The Genuine Ford NZ6Z-4K139-A is an OEM rear CV axle shaft assembly for the Ford Maverick equipped with part-time 4WD (AWD/FX4). This is a direct-replacement, factory-original component engineered and manufactured to Ford's exact specifications, ensuring a precise fit and restoring proper drivetrain function.

This assembly is a complete, fully assembled rear CV axle shaft unit positioned on the driver (left) side. It is designed for part-time transfer case configurations and is not intended for full-time 4WD (Tremor) variants. As with all CV axle replacements, the axle nut included with this assembly is a single-use component and must not be reused during installation.

Key Features:

• Genuine OEM Ford part — built to factory tolerances for exact fit and function
• Complete, ready-to-install rear CV axle shaft assembly
• Driver side (left) rear position
• Designed for part-time 4WD / AWD / FX4 transfer case applications
• Includes axle nut (single-use; must be replaced — do not reuse existing nut)
• Backed by Ford's factory warranty

Also known as: Rear Axle Shaft Assembly, SHAFT ASY - REAR AXLE, CV Joint Half Assembly. OEM Part Number: NZ6Z-4K139-A (also referenced as NZ6Z4K139A).