Front Left / Right CV Axle Shaft Assembly for Audi A6, A7, A8 & Q5 | Replace NCV23019

BDFHYK Front Left / Right CV Axle Shaft Assembly

This BDFHYK CV Axle Shaft Assembly is designed as an OE-style aftermarket replacement for listed Audi A6, A6 Quattro, A7, A7 Quattro, A8 Quattro, Q5, RS7, S6, S7, S8, and SQ5 applications. It is a practical axle/cv joint replacement option when the original cv joint shaft is worn, damaged, leaking grease, or causing symptoms such as clicking while turning or vibration during acceleration.

Vehicle Fitment

Replaces / Interchange Part Numbers

4G0407271F, 4G0407451BX, 4H0407451BX, 8R0407271C, 667451, 66-7451. Always compare the OE or interchange number with your original axle before ordering.

Fitment Notes

• Confirm year, make, model, trim, engine, drivetrain, and axle position before ordering.
• This listing is for the Front Left / Right position. CV axles are position-specific and may not interchange with other axle locations.
• Compare spline count, compressed length, seal area, ABS tone ring configuration, and axle nut style when available.

Common Replacement Symptoms

• Clicking or popping noise while turning
• Vibration during acceleration or cruising
• Grease around the inside of the wheel or near the CV boot
• Knocking or clunking under load
• Torn, cracked, or leaking CV boot

Installation Checkpoints

• Compare the old and new CV axles before installation.
• Use vehicle-specific service information for axle nut torque.
• Inspect axle seals, wheel bearings, ball joints, control arms, hubs, and ABS-related components if symptoms remain.

Package Includes

• 1 x Front Left or Front Right CV Axle Shaft Assembly