Rear Carrier Differential Assembly For Cadillac CTS RWD Ratio 3.45 6-Speed Trans

Rear Carrier Differential Assembly for Cadillac CTS RWD

This rear carrier differential assembly is a direct-fit drivetrain component for Cadillac CTS rear-wheel-drive models with the 3.45 ratio and 6-speed transmission, restoring proper power delivery to the rear wheels.

Overview

This rear carrier differential assembly is built to replace a worn or failed differential unit in Cadillac CTS RWD vehicles running the 3.45 gear ratio and 6-speed transmission. It transfers torque from the driveshaft to the rear axles while allowing the wheels to turn at different speeds through corners. A solid choice for drivers restoring factory drivetrain behavior or replacing a noisy, leaking, or damaged differential.

Built For Performance

• Complete rear carrier differential assembly ready for installation
• 3.45 gear ratio matched to the 6-speed transmission setup
• Engineered for rear-wheel-drive Cadillac CTS platforms
• Housing, carrier, and internal gearing supplied as one unit
• Designed to restore smooth, quiet power transfer to the rear wheels

Fits These Machines

• for Cadillac CTS rear-wheel-drive models with 3.45 ratio
• for Cadillac CTS models equipped with the 6-speed transmission

On-The-Job Use

• Replacing a worn or noisy rear differential
• Restoring factory gear ratio after a drivetrain failure
• Routine rear axle and driveline service
• Repairing vehicles with differential fluid leaks or whine

Specs At A Glance

Good To Know

Q: Does the gear ratio need to match my original differential? A: Yes, the 3.45 ratio must match your vehicle's factory or intended setup to keep speedometer and drivetrain behavior correct. Confirm your original ratio before ordering.

Q: Is this a direct replacement for a rear-wheel-drive CTS? A: It is designed for Cadillac CTS rear-wheel-drive models with the 6-speed transmission. Verify your model year and drivetrain configuration for compatibility.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.