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ACI 81255 Window Regulator - Rear Right
Reliable Rear Right Power Window Regulator for Buick and Oldsmobile
The ACI 81255 power window regulator is designed specifically for the rear right door of select Buick and Oldsmobile models. This new window regulator meets or exceeds OEM standards, ensuring dependable window operation for your vehicle.
- Compatible with Buick Century, Oldsmobile Intrigue, and Oldsmobile Regal
- Rear right mounting position
- Power window operation type
- New part, not remanufactured
- Mounting hardware and motor not included
- Meets or exceeds OEM quality standards
About the ACI Window Regulator Product Line
The ACI Window Regulator line offers a range of replacement window regulators engineered to provide reliable window movement and durability. This product line focuses on delivering components that meet or exceed original equipment manufacturer specifications, ensuring proper fit and function for various vehicle makes and models, including Buick and Oldsmobile.
Product Details and Specifications
The ACI 81255 is a power window regulator designed for the rear right door of Buick Century, Oldsmobile Intrigue, and Oldsmobile Regal vehicles. This part is sold without the motor and mounting hardware, allowing for flexibility if you already have compatible components or prefer to source them separately. Being a new part, it offers a fresh replacement option that aligns with OEM quality standards to maintain the integrity of your vehicle’s window system.
Common Issues Addressed by This Window Regulator
- Window glass failing to move up or down smoothly
- Intermittent or no response from the power window switch
- Window stuck in one position due to regulator failure
- Excessive noise or grinding when operating the window
- Loose or misaligned window glass in the rear right door
Installation Notes and Tips
- Ensure compatibility with your vehicle’s make, model, and year before installation
- Motor and mounting hardware are not included; verify you have these components or purchase separately
- Handle the window glass carefully during removal and installation to avoid damage
- Follow manufacturer instructions for proper alignment and secure mounting
- Test window operation before reassembling the door panel
Quality Assurance and Warranty Information
The ACI 81255 window regulator is manufactured to meet or exceed OEM standards, providing reliable performance and durability. As a new part, it undergoes quality checks to ensure proper fit and function. Please refer to the product packaging or manufacturer documentation for specific warranty details.
| Brand | Sealed Power |
|---|---|
| Part Number | E-251K |
| Position | Window Regulator |
| 2nd Ring Face Design | Reverse Torsional |
| 2nd Ring Material | Grey Iron w/Phosphate Coating |
| 2nd Ring Width | 5/64 |
| 2nd Ring Width (in) | 5/64 |
| Bore Diameter | 4.0000 |
| Bore Diameter | 101.60 |
| Bore Size (in) | 4.0000 |
| Bore Size (mm) | 101.60 |
| Cylinder Quantity | 8 |
| Oil Ring Width | 3/16 |
| Oil Ring Width (in) | 3/16 |
| Outside Diameter | 4.0000 |
| Outside Diameter (In) | 4.0000 |
| Radial Wall Thickness - Top (in) | 0.145 |
| Ring Set Groove Widths (in) | 5/64 x 5/64 x 3/16 |
| Short Circuit Protection | 3 Piece Flex Vent |
| Standard Size | Standard Size |
| Top Ring Face Design | Barrel Face |
| Top Ring Material | Steel w/Moly |
| Top Ring Radial Wall Thickness | 0.145 |
| Top Ring Width | 5/64 |
| Top Ring Width (in) | 5/64 |
This part fits 22 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2005 | Buick | Century | Sedan | 3.1L | V6 | Rear Right | Window regulator suitable for vehicle's proper fit and function.; Window Regulator |
| 2004 | Buick | Century | Sedan | 3.1L | V6 | Rear Right | Window regulator suitable for vehicle's proper fit and function.; Window Regulator |
| 2004 | Buick | Regal | Sedan | 3.8L | V6 | Rear Right | Window regulator suitable for vehicle's proper fit and function.; Window Regulator |
| 2003 | Buick | Century | Sedan | 3.1L | V6 | Rear Right | Window regulator suitable for vehicle's proper fit and function.; Window Regulator |
| 2003 | Buick | Regal | Sedan | 3.8L | V6 | Rear Right | Window regulator suitable for vehicle's proper fit and function.; Window Regulator |
| 2002 | Buick | Century | Sedan | 3.1L | V6 | Rear Right | Window regulator suitable for vehicle's proper fit and function.; Window Regulator |
| 2002 | Buick | Regal | Sedan | 3.8L | V6 | Rear Right | Window regulator suitable for vehicle's proper fit and function.; Window Regulator |
| 2002 | Oldsmobile | Intrigue | Rear Right | Window regulator suitable for vehicle's proper fit and function.; Window Regulator | |||
| 2001 | Buick | Century | Sedan | 3.1L | V6 | Rear Right | Window regulator suitable for vehicle's proper fit and function.; Window Regulator |
| 2001 | Buick | Regal | Sedan | 3.8L | V6 | Rear Right | Window regulator suitable for vehicle's proper fit and function.; Window Regulator |
| 2001 | Oldsmobile | Intrigue | Rear Right | Window regulator suitable for vehicle's proper fit and function.; Window Regulator | |||
| 2000 | Buick | Century | Sedan | 3.1L | V6 | Rear Right | Window regulator suitable for vehicle's proper fit and function.; Window Regulator |
| 2000 | Buick | Regal | Sedan | 3.8L | V6 | Rear Right | Window regulator suitable for vehicle's proper fit and function.; Window Regulator |
| 2000 | Oldsmobile | Intrigue | Rear Right | Window regulator suitable for vehicle's proper fit and function.; Window Regulator | |||
| 1999 | Buick | Century | Sedan | 3.1L | V6 | Rear Right | Window regulator suitable for vehicle's proper fit and function.; Window Regulator |
| 1999 | Buick | Regal | Sedan | 3.8L | V6 | Rear Right | Window regulator suitable for vehicle's proper fit and function.; Window Regulator |
| 1999 | Oldsmobile | Intrigue | Rear Right | Window regulator suitable for vehicle's proper fit and function.; Window Regulator | |||
| 1998 | Buick | Century | Sedan | 3.1L | V6 | Rear Right | Window regulator suitable for vehicle's proper fit and function.; Window Regulator |
| 1998 | Buick | Regal | Sedan | 3.8L | V6 | Rear Right | Window regulator suitable for vehicle's proper fit and function.; Window Regulator |
| 1998 | Oldsmobile | Intrigue | Rear Right | Window regulator suitable for vehicle's proper fit and function.; Window Regulator | |||
| 1997 | Buick | Century | Sedan | 3.1L | V6 | Rear Right | Window regulator suitable for vehicle's proper fit and function.; Window Regulator |
| 1997 | Buick | Regal | Sedan | 3.8L | V6 | Rear Right | Window regulator suitable for vehicle's proper fit and function.; Window Regulator |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.