GKN Loebro 306379 CV Axle Assembly - Front Left

OE-Style Front Left CV Axle Assembly

GKN Loebro 306379 is a front left CV axle assembly built with OE technology for precise driveline performance. It is engineered for Mercedes-Benz applications that require accurate spline counts, joint geometry, and compressed length matching.

Compatible With Mercedes-Benz C230, C250, C300, C350, E350, and E400 front left applications across the listed model years.

Key Features

• Part number 306379 CV axle assembly from GKN Loebro
• Compressed length: 19.488
• Inboard spline quantity: 34
• Outboard spline quantity: 30
• Inboard joint type: Plunging Joint AAR
• Outboard joint type: Fix Ball Joint GKN SX
• Axle nut included
• Axle nut thread size: M16x1.5

Detailed Description

This GKN Loebro CV axle assembly is built for front left driveline service on select Mercedes-Benz models, including C230, C250, C300, C350, E350, and E400. The 306379 axle uses OE-style joint design and spline specifications to match the vehicle’s original driveline geometry and support smooth power transfer through the front axle.

GKN Automotive supplies driveline solutions for passenger vehicles, light trucks, sports cars, luxury cars, and 4x4 vehicles, with broad OE adoption across global vehicle manufacturers. Part number 306379 reflects that engineering focus with a plunging inboard joint, fixed ball outboard joint, and the specified compressed length for proper front left fitment.

This part cross-references Mercedes-Benz OE numbers 2043301300 and A2043301101 for the same application.

What This Part Helps Address

• Clicking or popping during turns from a worn outer CV joint
• Vibration or shudder under acceleration from axle wear
• Grease leakage caused by a damaged CV boot or joint seal
• Excessive play in the front left axle assembly
• Driveline noise related to spline or joint wear

Installation Notes and Tips

Verify front left position, spline counts, compressed length, and axle nut thread size before installation. Confirm the vehicle’s exact Mercedes-Benz model and year against the fitment list, especially on C-Class and E-Class applications where driveline configurations can vary.

Fits 2015-2017 Mercedes-Benz E400, Front Left. Fits 2008-2015 Mercedes-Benz C350, Front Left. Fits 2008-2014 Mercedes-Benz C300, Front Left. Fits 2012-2014 Mercedes-Benz E350, Front Left. Fits 2010-2012 Mercedes-Benz C250, Front Left. Fits 2008-2009 Mercedes-Benz C230, Front Left.

Quality Assurance

GKN Loebro is part of GKN Automotive, a major OE driveline supplier known for axle assemblies and CV joint solutions built to original-equipment standards.