HomeBody > DoorsDorman 749-730 Window Regulator - Rear Left
Part #: 749-730

Dorman 749-730 Window Regulator - Rear Left

Rear Left
⚙️ 6 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$87.48Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Toyota, Sienna
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Window Regulator for Toyota Sienna

The Dorman 749-730 window regulator is designed specifically for Toyota Sienna models, providing a durable and efficient solution for electric window operation. This part ensures smooth window movement with a bolt-on attachment for straightforward replacement.

Key Features of Dorman 749-730 Window Regulator

  • Gear material constructed from plastic for consistent performance
  • Bolt-on attachment type for secure and easy installation
  • Frame made from a combination of metal and plastic for strength and durability
  • Electric window operation compatible with Toyota Sienna vehicles
  • Does not include motor or mounting hardware, designed for direct replacement of regulator only

Detailed Product Description

The Dorman 749-730 window regulator is engineered to meet the specific requirements of Toyota Sienna models. Featuring a plastic gear and a mixed metal and plastic frame, this regulator balances durability with lightweight design. The bolt-on attachment type simplifies installation by allowing the part to be securely fastened without additional modifications. This window regulator is intended for electric window systems and does not include a motor or mounting hardware, making it ideal for replacing a faulty regulator while retaining the existing motor and hardware components.

Common Issues Addressed by This Window Regulator

  • Window glass failing to move up or down smoothly
  • Grinding or clicking noises during window operation
  • Window becoming stuck in one position
  • Loose or wobbly window glass
  • Regulator gear wear causing inconsistent window movement

Installation Notes and Tips

Installation of the Dorman 749-730 window regulator requires removal of the door panel and careful handling of the window glass. Since mounting hardware is not included, retain the original bolts and fasteners during disassembly. The bolt-on design allows for a direct fit replacement, but ensure the vehicle’s battery is disconnected before beginning work on the electric window system to avoid electrical issues.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. While this window regulator does not include a motor or mounting hardware, it is built to provide reliable service for Toyota Sienna vehicles. Please refer to Dorman’s warranty policy for specific coverage details.

BrandDorman
Part Number749-730
Gear MaterialPlastic
Attachment TypeBolt on
Mounting Hardware IncludedNo
Wire Quantity0
Window Operation TypeElectric
Motor IncludedNo
Installation Instructions IncludedNo
Frame MaterialMetal
Frame MaterialPlastic
Package ContentsWindow regulator

This part fits 6 vehicles. Search below:

YearMakeModelPositionNotes
2009ToyotaSiennaRear LeftFits power window regulation in various vehicle models.
2008ToyotaSiennaRear LeftFits power window regulation in various vehicle models.
2007ToyotaSiennaRear LeftFits power window regulation in various vehicle models.
2006ToyotaSiennaRear LeftFits power window regulation in various vehicle models.
2005ToyotaSiennaRear LeftFits power window regulation in various vehicle models.
2004ToyotaSiennaRear LeftFits power window regulation in various vehicle models.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

3801106980408010WLR1367

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.