fits model: Sequoia. make: Toyota. year: 2008–2016.

( Brand: Aisin ), ( Manufacturer Part Number: SX-4259 ), ( Type: Door Lock Assembly ), ( Placement On Vehicle: Body Doors ), ( Manufacturer Warranty: 1 Year / 12, 000 Miles ), ( Ipn: C731 46-29 ), ( Compatible Year: 2016 2015 2014 2013 2012 2011 2010 2009 2008 ), ( Core Charge: Free No Core Charge ), ( Position: Rear Right ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Aisin Door Lock Assembly )
The **Aisin AX04259 Rear Right Door Lock** is a high-quality, direct-fit replacement part designed specifically for the **2008 2016 Toyota Sequoia** models equipped with **Body Doors XI** configurations. Engineered by **Aisin**, a trusted manufacturer known for precision automotive components, this door lock ensures reliable performance and seamless integration with your vehicle s existing electrical and mechanical systems. Crafted from durable, corrosion-resistant materials, this lock mechanism is built to withstand the demands of daily driving, providing smooth operation and long-lasting durability even in varying weather conditions. The design incorporates a **robust latch system** with a reinforced strike plate, ensuring a secure and quiet closure while minimizing wear over time. Compatible with the **rear right door** of the Sequoia, this lock features a **direct-fit construction** that eliminates the need for modifications, making installation straightforward for both professional mechanics and experienced DIY enthusiasts. Whether replacing a worn-out original component or upgrading for enhanced security, the Aisin AX04259 delivers the performance and reliability expected from a premium automotive part. Its compatibility with the **Body Doors XI** trim level ensures an exact match, maintaining the vehicle s original functionality and aesthetic integrity.
### Pros and Cons of Buying an Aisin SX-4259 Rear Right Door Lock for a 2008 2016 Toyota Sequoia (Body Doors, X1 Platform)
#### **Pros:**1. **Direct Fitment** The Aisin SX-4259 is specifically designed for the rear right door of the X1 platform (used in the 2008 2016 Toyota Sequoia), ensuring compatibility without modifications.
2. **Reliability** Aisin is a well-regarded manufacturer in the automotive aftermarket, known for producing durable and high-quality door locks.
3. **Functionality** This lock is designed to replicate the original equipment manufacturer (OEM) performance, including smooth operation, proper engagement, and resistance to wear.
4. **Ease of Installation** Since it is a direct replacement, installation should be straightforward, especially if you have basic mechanical skills or access to a professional mechanic.
5. **Cost-Effective Alternative** Purchasing a replacement lock can be cheaper than buying a used door assembly, saving money while maintaining functionality.
6. **Prevents Further Damage** A failing door lock can lead to misalignment, difficulty in opening/closing the door, or even complete failure, so replacing it early avoids more extensive repairs.
7. **Warranty Coverage** Many aftermarket parts, including Aisin products, come with warranties, providing peace of mind against defects.
#### **Cons:**1. **Potential Quality Variations** While Aisin is reputable, there can be slight inconsistencies in manufacturing quality between batches, though this is rare with a trusted brand.
2. **Installation Complexity** If you lack mechanical experience, installation may require patience, especially if wiring or alignment is involved. Improper installation could lead to further issues.
3. **Cost Relative to OEM** While often cheaper than OEM parts, the Aisin SX-4259 may still be more expensive than generic or budget aftermarket alternatives, depending on the seller.
4. **Limited Customization** This is a standard replacement part, so you cannot modify its features (e.g., adding keyless entry or smart functions) without additional components.
5. **Availability of Parts** If the door itself is damaged beyond the lock, you may need additional parts (e.g., hinges, window regulators), which could complicate the repair.
6. **Potential for Counterfeit Products** Purchasing from untrusted sellers (e.g., third-party marketplaces without authentication) could result in counterfeit or low-quality knockoffs that fail prematurely.
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### **Conclusion:**The Aisin SX-4259 rear right door lock is a **strong, reliable choice** for replacing a faulty lock on a 2008 2016 Toyota Sequoia. Its direct fitment, durability, and ease of installation make it a practical solution for most owners. However, the decision should weigh the **cost, installation effort, and source of purchase** against the potential savings of alternative parts. If you prioritize quality and longevity, Aisin is a safe bet, but ensure you buy from a reputable seller to avoid counterfeit issues.
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### **Recommendation:**- **Buy from a trusted source** (e.g., RockAuto, Amazon with verified sellers, or a local auto parts store with return policies).
- **Verify compatibility** with your specific Sequoia model year to confirm the lock matches the X1 platform.
- **Consider professional installation** if you are unsure about wiring or mechanical adjustments to avoid damaging the door mechanism.
- **Check for bundled parts** (e.g., new hinges or seals) if the door shows signs of wear beyond the lock itself.
- **Compare prices** with other reputable brands (e.g., Dorman, Spectra) to ensure you re getting the best value.
For most Sequoia owners facing a door lock failure, the Aisin SX-4259 is a **highly recommended replacement** due to its balance of quality, fit, and performance.
AISIN Rear Right Door Lock Assembly for 2008 - 2016 Toyota Sequoia Body doors xi: Status: In Stock.