fits model: Lesabre. make: Buick. year: 2000–2005.

( Manufacturer Part Number: 25730860 ), ( Material: Abs ), ( Vintage Part: No ), ( Placement On Vehicle: Right, Left ), ( Type: A Pillar Trim ), ( Features: Direct Replacement ), ( Finish: Oem )
The **Buick 25730860 Passenger Side Rear Quarter Window Regulator Motor** (model years 2000 2005) for the **Lesabre RH LH Pillar (part number 25766611)** is a precision-engineered component designed to ensure smooth, reliable operation of the rear quarter window mechanism in this iconic American luxury sedan. This motorized regulator is a critical part of the vehicle s power window system, providing seamless vertical movement of the rear passenger-side window while maintaining durability under frequent use. Crafted to Buick s exacting standards, this motor features a robust, corrosion-resistant construction, incorporating high-quality materials that withstand the demands of daily driving, including exposure to varying weather conditions and prolonged operation. The design integrates a compact yet powerful electric motor paired with a durable drive mechanism, ensuring consistent performance without excessive wear or failure. Whether navigating city traffic or cruising on the highway, this regulator delivers the precision and quiet operation expected from a Buick, enhancing both convenience and comfort for the rear passenger. Its compatibility with the 2000 2005 Lesabre s specific window frame and wiring harness guarantees a seamless fit, eliminating the need for extensive modifications or adjustments. Ideal for restoration projects, replacements, or maintenance upgrades, this part exemplifies Buick s commitment to blending performance with refined engineering, making it a dependable choice for owners seeking to restore or maintain the functionality of their classic or modern luxury vehicle.
### **Pros and Cons of Buying a 2000 2005 Buick LeSabre (Passenger RH, LH Pillar, VIN 25730860, Engine 25766611)**
#### **Pros**
1. **Reliability for the Era** The 2000 2005 Buick LeSabre, particularly with the **3.8L V6 (25766611)**, was a well-built, mid-size luxury sedan known for its durability compared to some of its contemporaries. The **L36 V6** (3.8L) was a robust engine, often lasting well over 200,000 miles with proper maintenance.
2. **Comfortable Ride & Interior** The LeSabre was designed for comfort, with a smooth suspension, quiet cabin, and spacious interior. The **Passenger RH (Right-Hand Drive)** and **LH Pillar (Left-Hand Door Pillar)** trim suggests a slightly more premium configuration, often including better upholstery and optional features like leather seats, power adjustments, and wood/aluminum trim.
3. **Luxury Features** Depending on the trim level, this model may have included:- **Climate control** (automatic or dual-zone)
- **Cruise control**
- **Power windows, locks, and mirrors**
- **AM/FM stereo with possible CD or cassette player** (some later models had optional Bluetooth or satellite radio)
- **Leather or premium cloth upholstery**
- **Heated seats** (on higher trims)
4. **Resale Value & Collectibility** The LeSabre was a staple in the luxury sedan market, and certain trims (especially **LH Pillar** or **Passenger RH** with luxury options) hold value better than some competitors. If well-maintained, it could appeal to collectors or buyers looking for a classic Buick.
5. **Fuel Efficiency (For Its Class)** The **3.8L V6** gets around **16 18 MPG city / 22 25 MPG highway**, which was decent for a full-size luxury sedan in its time. It s not a hybrid, but it s not a gas guzzler either.
6. **Easy to Find Parts & Mechanics** As a Buick, it benefits from a strong dealer network, and parts (especially for the **L36 V6**) are still relatively accessible. Many mechanics are familiar with GM s **3.8L V6** and **4T65E automatic transmission** (common in this era).
7. **Potential for Modifications** If you enjoy tinkering, the **3.8L V6** can be tuned for better performance (though it s not a high-performance engine). Aftermarket support exists for suspension upgrades, exhaust, and interior modifications.
8. **Low Depreciation (Compared to Some Luxury Brands)** Unlike some European luxury cars, Buicks of this era didn t lose value as drastically, making them a more affordable luxury option.
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#### **Cons**
1. **Aging Transmission (4T65E Automatic)** The **4T65E 4-speed automatic** was a common GM transmission in this era, but it can be **prone to slipping, rough shifting, or complete failure** if not maintained properly. Fluid changes are **critical** many owners neglect this, leading to expensive repairs. A **transmission rebuild or replacement** can cost **$1,500 $3,000 **.
2. **Rust Issues (Especially in Snowy Climates)** The **2000 2005 LeSabre** is known for **frame and undercarriage rust**, particularly in areas with harsh winters. A **thorough rust inspection** (especially around the **rocker panels, wheel wells, and frame rails**) is **mandatory** before purchasing. Rust can compromise structural integrity and lead to costly repairs.
3. **Outdated Safety Features** This model lacks **modern safety tech** such as:- **Stability control**
- **Anti-lock brakes (ABS) standard?** (Some early models may have basic ABS, but later ones improved)
- **Airbag upgrades** (side-impact airbags were optional in some years)
- **Electronic stability control (ESC)**
- **Modern crash-test ratings** (IIHS/NAHTSA would not rate this favorably by today s standards)
4. **Poor Fuel Economy Compared to Modern Standards** At ** 16 18 MPG city**, this car is **far less efficient** than today s hybrids or turbocharged engines. If you drive frequently, fuel costs will be higher than in a newer vehicle.
5. **Maintenance Costs Can Add Up**
- **Timing belt replacement** (if not already done) The **3.8L V6** has an **interference engine**, meaning a broken timing belt can cause **major engine damage**. Replacement typically costs **$500 $800**.
- **Suspension wear** Bushings, shocks, and struts may need replacement over time.
- **Brake system upgrades** Older brake pads and rotors may need replacement.
- **Exhaust leaks** The **3.8L V6** is known for **exhaust manifold cracks**, which can lead to **check engine lights and poor performance**.
6. **Noisy Cabin (Compared to Modern Cars)** Sound insulation was not as advanced as today, so **wind noise, road noise, and engine noise** can be more noticeable, especially at highway speeds.
7. **Limited Modern Tech & Connectivity**
- **No Bluetooth, USB, or Apple CarPlay/Android Auto**
- **Basic infotainment system** (if any) may not support modern media formats
- **No backup camera** (standard in most new cars today)
- **Manual climate control** (if not upgraded)
8. **Potential for Electrical Gremlins** Like many older GM vehicles, this car may have **intermittent electrical issues**, such as:- **Faulty window regulators**
- **Power seat or mirror malfunctions**
- **Check engine lights** (often due to minor sensors)
- **Alternator or battery failures** (common in high-mileage examples)
9. **Resale Value is Low** If you plan to sell later, this car will **not hold value** like a newer or high-demand model. It s more of a **short-term or hobbyist purchase** than a long-term investment.
10. **Potential for Hidden Damage**
- **Accident history** (check **Carfax/AutoCheck**)
- **Frame damage from rust or collisions**
- **Engine misfires or carbon buildup** (common in older V6s)
- **Transmission fluid leaks** (can cause slipping)
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### **Conclusion & Recommendation**
#### **Who Should Buy This Car?**
This **2000 2005 Buick LeSabre (Passenger RH, LH Pillar, 3.8L V6)** is a **good choice for:****Budget-conscious buyers** who want a **comfortable, spacious luxury sedan** without paying new-car prices.
**Enthusiasts or collectors** who appreciate **classic Buick design** and don t mind **some maintenance**.
**Those who prioritize comfort over performance** and don t need **modern tech or safety features**.
**Owners who can afford regular maintenance** (transmission fluid, timing belt, rust repairs).
**People in mild climates** (if rust is minimal) or those willing to **inspect for corrosion thoroughly**.
#### **Who Should Avoid This Car?**
**Buyers who need a reliable, low-maintenance daily driver** The **transmission, rust, and aging parts** make this a **high-maintenance** choice.
**Those who prioritize fuel efficiency** **16 18 MPG is poor** compared to modern alternatives.
**People who want modern safety features** **No ESC, weak crash ratings, outdated braking**.
**Buyers who dislike mechanical work** **Transmission rebuilds, timing belt replacements, and rust repairs** are **not cheap**.
**Those who need a long-term investment** **Resale value is very low**.
#### **Final Recommendation**
**Buy this LeSabre only if:**- You **thoroughly inspect it for rust** (especially frame, rockers, and undercarriage).
- You **verify transmission fluid condition** (sludgy or burnt fluid **major repair needed**).
- You **budget for potential repairs** ($1,000 $3,000 for transmission, timing belt, and rust fixes).
- You **don t mind older tech** and are okay with **no modern infotainment or safety features**.
- You **plan to keep it for a few years** (not a long-term investment).
**Alternative Recommendations:**- If you want a **more reliable luxury sedan**, consider a **used Lexus ES 350, Toyota Avalon, or Honda Accord** from the same era they re **far more dependable**.
- If you love **classic Buicks**, look
Made of ABS material, this right-hand trim piece is a direct replacement with an OEM finish. The product is a used OEM A Pillar Trim specifically for the 2000 2005 Buick LeSabre passenger side. This A Pillar Trim does not come with a manufacturer warranty, and it is non-vintage part specific placement on the vehicle for optimal fitment appearance. It is a genuine Buick part, featuring various manufacturer part numbers and true fit for the specified vehicle model.