GKN Loebro 306139 CV Axle Assembly - Front Left

OE-Style CV Axle Assembly

GKN Loebro 306139 is a CV axle assembly built with premium OE technology for driveline service. It is engineered for precise joint operation, stable power transfer, and consistent performance in demanding passenger vehicle applications.

Key Features

• OE-style CV axle assembly from GKN Loebro.
• Plunging inboard joint and fixed ball outboard joint for controlled articulation.
• 38-spline outboard connection for secure engagement.
• 45-tooth ABS tone ring included for wheel speed signal integration.
• Axle nut included for a more complete service replacement.

Product Details

This GKN Loebro CV axle assembly, part number 306139, is built around the demands of modern driveline systems. The design combines a plunging inboard joint with a fixed ball outboard joint to manage suspension movement while maintaining smooth torque delivery. With a compressed length of 23.858 inches and an M16x1.5 axle nut thread size, it is specified for precise fitment and service replacement. GKN Loebro 306139 is also identified with OE cross-reference numbers 4Z7407271D and 4Z7407451X for the same application.

What It Is Used For

• Restores driveline operation when a CV axle is worn or noisy.
• Addresses clicking or binding during turns.
• Helps correct vibration caused by a damaged axle assembly.
• Supports ABS signal transfer when the tone ring is part of the system.
• Replaces a failed axle on compatible Audi Allroad Quattro applications.

Installation Notes and Tips

Fits 2001-2005 Audi Allroad Quattro, front left. Confirm spline count, joint type, compressed length, and axle nut thread size before installation. Inspect related seals, hubs, and fasteners during service to avoid repeat driveline issues. Verify ABS tone ring requirements against the original axle configuration.

Quality Assurance

GKN Automotive supplies OE technology to global vehicle manufacturers and produces axle assemblies at high volume for passenger vehicles, light trucks, sports cars, luxury cars, and 4x4s. Part number 306139 reflects that OE-focused engineering approach for driveline replacement service.