SUBARU 57491AG25A Key Lock Cylinder Ignition Switch Set

( Manufacturer Part Number: 57491AG25A ), ( Type: Ignition Key Switch ), ( Performance Part: No )

Review SUBARU Key And Lock Cylinder Ignition Switch Set At fits 2005–2006

The **Subaru 57491AG25A (05-06 model years) Key Lock Cylinder and Ignition Switch Set** is a precision-engineered replacement assembly designed to restore optimal functionality and security to your 2005 or 2006 Subaru vehicle. This high-quality, direct-fit component set combines a durable **key lock cylinder** with a reliable **ignition switch**, ensuring seamless operation while maintaining the integrity of your vehicle s ignition system. Crafted to meet or exceed OEM specifications, this set is built with robust materials, including hardened steel and corrosion-resistant coatings, to withstand frequent use and environmental exposure, whether in urban driving conditions or off-road adventures. The key lock cylinder features a smooth, secure locking mechanism that prevents unauthorized access, while the ignition switch is engineered for smooth engagement, allowing for effortless transitions between the **Accessory, On, and Start** positions. This set is ideal for vehicle owners seeking a hassle-free upgrade or replacement after wear, theft attempts, or mechanical failure, as it eliminates the need for multiple part orders by bundling both critical components into one comprehensive solution. Installation is straightforward, requiring only basic tools, and the use of genuine Subaru parts ensures compatibility with your vehicle s electrical and mechanical systems, reducing the risk of compatibility issues or premature wear. Whether addressing a malfunctioning ignition or enhancing security, this **57491AG25A** set provides a dependable, long-lasting solution that aligns with Subaru s reputation for reliability and performance.

The **Subaru 57491AG25A** (covering models from 2005 and 2006) is a key lock cylinder, ignition switch, and steering lock column assembly. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of buying a 57491AG25A Set**

1. **Direct Fitment and Compatibility**

- This part is specifically designed for 2005 and 2006 Subaru models (likely Impreza, Forester, Outback, or Legacy, depending on trim and engine). It eliminates the risk of purchasing a mismatched part that won t fit, reducing the need for additional modifications.

2. **Complete Replacement Unit**

- The set includes the **key lock cylinder, ignition switch, and steering lock column assembly** in one package. This means you won t need to source multiple parts separately, saving time and effort. It also ensures all components are matched for proper function.

3. **Improved Security and Reliability**

- A new ignition switch and key lock cylinder can enhance security by preventing key duplication issues or worn-out mechanisms that may fail. It also reduces the risk of accidental lockouts or ignition failure due to wear.

4. **Prevents Steering Lock Issues**

- The steering lock column is often a weak point in older Subarus, especially if the vehicle has been driven frequently or exposed to cold climates. Replacing this assembly can resolve stubborn steering lock problems, such as the wheel being unable to turn after turning the key off.

5. **Potential Fix for Electrical or Ignition Problems**

- Worn ignition switches can cause intermittent electrical issues, such as the vehicle stalling, not starting, or displaying dashboard warning lights. A new switch ensures a clean electrical connection and reliable operation.

6. **Compatibility with Aftermarket Key Programming**

- If you plan to replace the key fob or reprogram keys, a new ignition cylinder ensures compatibility with modern key programming tools, avoiding issues with old, worn-out mechanisms.

7. **Reduced Risk of Theft**

- Older ignition switches can be more susceptible to picklocking or bypass attempts. A new, factory-spec switch improves security against theft.

8. **Warranty Coverage**

- If purchased from a reputable seller (e.g., OEM or a trusted aftermarket supplier), this part may come with a warranty, providing peace of mind against defects.

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### **Cons of buying a 57491AG25A Set**

1. **Cost**

- As an OEM or high-quality aftermarket part, this assembly can be expensive, often ranging from **$150 to $300 **, depending on the source. This may be a significant investment if the issue is minor (e.g., just a worn key lock cylinder).

2. **Installation Complexity**

- Replacing the ignition switch and steering lock column requires **disconnecting the steering column, electrical wiring, and sometimes the airbag system**. This is not a simple DIY job for inexperienced mechanics. Professional installation may be necessary, adding labor costs (typically **$100 $200**).

3. **Potential for Counterfeit Parts**

- If purchasing from an untrusted seller (e.g., eBay, Craigslist, or unknown online marketplaces), there s a risk of receiving a **counterfeit or low-quality part**. This could lead to premature failure, poor fitment, or electrical issues.

4. **Compatibility with Modern Key Fobs**

- Some newer Subaru models (even those from 2005 2006) may require **specific key programming** after installation. If the original key fob is lost or incompatible, you may need to purchase a new one or reprogram existing keys, adding extra cost.

5. **Steering Wheel Alignment Issues**

- After replacing the steering column, the **steering wheel may need realignment** to ensure proper feel and centering. This is a minor inconvenience but requires an additional trip to a dealership or mechanic.

6. **Time-Consuming Process**

- The installation process can take **1 3 hours**, depending on the mechanic s experience. If you re doing it yourself, it may take even longer due to the complexity of the job.

7. **Potential for Overkill**

- If the issue is isolated (e.g., only the key lock cylinder is worn), replacing the entire assembly may be unnecessary. In such cases, a **standalone key lock cylinder** (cheaper and easier to install) might suffice.

8. **Limited Availability of OEM Parts**

- OEM parts for older Subarus can be **hard to find**, especially if the vehicle is no longer in production. Aftermarket parts may not always match the quality of OEM components.

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### **Conclusion**

The **Subaru 57491AG25A ignition switch, key lock cylinder, and steering lock column assembly** is a **highly compatible and reliable replacement** for 2005 2006 models. It is ideal if you re experiencing **multiple issues** such as:

- A **failing ignition switch** (intermittent starting, electrical gremlins).

- A **stuck or broken steering lock** (wheel won t turn after turning the key off).

- **Security concerns** (old, worn key lock cylinder).

- **Planning a full ignition system refresh** (e.g., after a theft attempt or key loss).

However, if the problem is **isolated** (e.g., only the key lock cylinder is bad), a **partial replacement** (just the key lock cylinder or ignition switch) may be more cost-effective. Additionally, if you re not comfortable with **steering column disassembly**, professional installation is strongly recommended.

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### **Recommendation**

1. **Verify the Exact Model and Year**

- Double-check that this part is **100% compatible** with your Subaru s trim and engine. Some models (e.g., 2.5L vs. 2.0L) may have slight variations.

2. **Purchase from a Trusted Source**

- Buy from **authorized Subaru dealers, reputable aftermarket suppliers (like RockAuto, PartsGeek, or local auto parts stores), or eBay sellers with high ratings**. Avoid unknown sources to prevent counterfeit parts.

3. **Consider a Partial Replacement if Possible**

- If only the **key lock cylinder or ignition switch** is failing, a **standalone replacement** (e.g., a **key lock cylinder only**) may be sufficient and cheaper. However, if the **steering lock is also problematic**, the full assembly is the best solution.

4. **Budget for Professional Installation**

- Unless you have **mechanical experience**, have a **mechanic install it** to avoid damaging the steering column or airbag system. Labor costs will add to the total expense but ensure proper fitment.

5. **Check for Key Programming Needs**

- If you re replacing keys or fobs, confirm whether **new programming is required**. Some Subarus need a dealer to reprogram the ignition system after a switch replacement.

6. **Compare OEM vs. Aftermarket**

- **OEM parts** (from Subaru dealers) are the most reliable but often pricier. **Aftermarket brands like ACDelco, Moroso, or Dorman** offer high-quality alternatives at a lower cost. Research reviews before purchasing.

7. **Test the Part Before Finalizing Purchase**

- If buying online, check for **return policies** in case the part doesn t fit or function correctly.

### **Final Verdict**

- You need a **complete ignition/steering lock replacement** due to multiple failures.

- You want **long-term reliability** and are willing to invest in a high-quality part.

- You re experiencing **steering lock issues** that a standalone switch won t fix.

- The issue is **isolated** (e.g., only the key lock cylinder is bad).

- You re on a **tight budget** and can t afford professional installation.

- You re unsure about **compatibility** with your exact Subaru model.

If unsure, start with a **standalone key lock cylinder or ignition switch** (e.g., **Subaru 57491AG25A key lock cylinder only**) and upgrade to the full assembly later if needed. Always prioritize **quality over cost** to avoid repeated failures.

Details:

Vehicle Fitment. Includes Ignition Switch, Door Lock Cylinder, Glove Box Lock, two matching Keys, and a remote. One of the keys and remote housing have some breaks in plastic - see last image. Battery in the remote may or not work.

Good, working condition, OEM parts. Part Number - Key and Lock Ignition Switch Set 57491AG25A AT. Subaru Outback 3.0L 5AT 30R SEDAN. Part taken from a 2006 Subaru Legacy sedan with AT.

part #: 57491ag25a price

• $69.00

specifications cycleswitches:

• for makes: Subaru
• for years: 2005-2006
• mpn: 57491ag25a
• type: Ignition Key Switch
• performance part: No

returns cycleswitches:

• paid by: Buyer
• policy: Returns Accepted
• time: 14 Days

payments cycleswitches:

• credit card: Visa
• wallet: Google-pay
• other

shipping cycleswitches:

• carrier: USPS
• cost: $0.00
• class: Standard, Expedited
• service: USPS Ground Advantage, USPS Priority Mail
• transit: 4-8 Days
• type: Fixed

general cycleswitches:

• Electrical Ignition Components > Electrical Ignition Sensors Switches > Ignition Key Switches
• condition: Used

offer cycleswitches:

• options: Ship-to-home
• quantity: 1
• availability: In Stock
• sold: 0
• started: February 1, 2026

seller cycleswitches:

• rating: 99.9%
• city: Brighton, Michigan
• # reviews: 1435

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