Dorman 935-403 Drive Shaft Coupler - Rear

Overview of Dorman Drive Shaft Coupler 935-403

The Dorman 935-403 drive shaft coupler is designed for select BMW models, providing a reliable connection between the drive shaft components. Constructed with durable rubber and steel materials, this flexible coupler ensures smooth power transfer and reduces drivetrain vibrations.

• Material: Combination of rubber and steel for flexibility and strength
• Color: Black finish for corrosion resistance
• Attachment Method: Secured with 6 bolts
• Bolt Hole Size: 12 mm diameter
• Bolt Pattern Diameter: 95.95 mm for precise fitment
• Sleeve Length: 30 mm for proper alignment
• Standard replacement grade for dependable performance
• Package includes one flexible coupler (installation hardware not included)

Detailed Product Description

The Dorman 935-403 drive shaft coupler is engineered to meet the specifications required by various BMW models including the 128i, 323Ci, 325i, 330i, 535i, M3, M6, X5, Z3, and Z4 among others. This part combines a rubber flexible sleeve with a steel core to absorb vibrations and reduce drivetrain noise, enhancing driving comfort. The black finish helps protect against corrosion and wear over time. The coupler attaches securely using six 12 mm bolts arranged in a 95.95 mm bolt pattern, ensuring a precise and stable connection. With a 30 mm sleeve length, it maintains proper alignment between the drive shaft components, contributing to drivetrain longevity.

Common Applications and Issues Addressed

• Eliminates excessive drivetrain vibrations and noise
• Replaces worn or cracked flexible couplers causing driveline looseness
• Prevents premature wear of drive shaft components
• Restores smooth power transfer in BMW driveline systems
• Addresses coupling failures that can lead to driveline imbalance

Installation Notes and Tips

Installation of the Dorman 935-403 drive shaft coupler requires removal of the old coupler and securing the new part with six bolts (not included). Ensure bolt holes align precisely with the 95.95 mm bolt pattern. It is recommended to inspect surrounding driveline components for wear during installation. Proper torque specifications should be followed to avoid over-tightening or loosening during operation. This coupler is not a universal fit and is intended specifically for compatible BMW models listed.

Quality Assurance and Warranty

Dorman provides this drive shaft coupler as a standard replacement part manufactured to meet OEM specifications. While installation hardware is not included, the part is designed for durability and reliable performance under normal operating conditions. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.