Rear Differential Viscous Coupler for 2011-2018 Toyota Sienna
This viscous coupler coupling is an aftermarket replacement part for the rear differential assembly on 2011-2018 Toyota Sienna vehicles. It is identified by reference number 41303-28013. The viscous coupler is the component that manages torque transfer in the rear differential system, and this unit is intended to match the specified application and reference number.
Product Details
Reference Number: 41303-28013
Position: Rear Differential
Component Type: Viscous Coupler Coupling
Fitment & Compatibility
For 2011-2018 Toyota Sienna
Frequently Asked Questions
Q: What does a viscous coupler do in the rear differential? A: A viscous coupler manages torque transfer within the rear differential system, helping coordinate power delivery between the drivetrain components it serves.
Q: How do I confirm this coupler fits my Sienna? A: Check your vehicle's complete model year within the 2011-2018 Sienna range and verify that reference number 41303-28013 matches the part currently installed or specified for your application.
This is an aftermarket replacement part. Confirm fitment before purchase.
