fits model: Wrx, Sti. year: 2004–2005.



| Brand | SUBARU |
|---|---|
| Manufacturer Part Number | 27011AA910 |
| Type | DIFFERENTIAL HOUSING ASSEMBLY |
| Gear Ratio | 3.90 |
| Country/region Of Manufacture | JAPAN |
| Placement On Vehicle | REAR |
The Subaru 27011AA910 is a high-performance rear differential specifically designed for the 2004-2005 Subaru WRX STI (R180) models. This component is an essential part of the vehicle's powertrain, responsible for transmitting torque from the transmission to the rear wheels.
The Subaru 27011AA910 is a robust and reliable differential, engineered to handle the high-performance capabilities of the WRX STI. It features a limited-slip design, which means it can efficiently distribute power between the wheels, providing improved traction and stability, especially during cornering and acceleration.
This differential is made from high-quality materials, ensuring durability and longevity. It features a robust housing and strong gears, engineered to withstand the high torque and power output of the WRX STI's engine. The differential also features a robust pinion and ring gear, ensuring smooth and efficient power transmission to the rear wheels.
The Subaru 27011AA910 is a direct replacement for the original differential, ensuring a seamless fit and installation. It comes pre-lubricated, reducing the need for additional labor during installation. The differential also features a drain plug, allowing for easy oil changes and maintenance.
In conclusion, the Subaru 27011AA910 is a high-quality and reliable rear differential for the 2004-2005 WRX STI. Its limited-slip design provides improved traction and stability, while its robust construction ensures durability and longevity. Its direct replacement fit and easy maintenance features make it a convenient and cost-effective option for Subaru WRX STI owners seeking to upgrade or replace their rear differential.
Pros of buying a 2004-2005 Subaru WRX STI R180 rear differential (part number 27011AA910) with 71k miles:1. Reliability: Subaru is known for its durability, and the WRX STI is no exception. The R180 differential is a robust component that should provide reliable performance for many more miles.
2. Availability: This part is widely available, which means you can find it at various dealers or online retailers. This also ensures that replacement parts are easily accessible should any future issues arise.
3. Cost-effective: Compared to some other high-performance car differentials, the R180 is relatively affordable. This could make it a more budget-friendly option for some buyers.
4. Widely used and tested: The R180 differential has been used in numerous Subaru models for many years, which means it has been extensively tested and proven to perform well under various conditions.
Cons of buying a 2004-2005 Subaru WRX STI R180 rear differential (part number 27011AA910) with 71k miles:1. Age and mileage: With 71k miles, this differential may have some wear and tear, which could lead to potential issues in the future. Regular maintenance and inspections are crucial to ensure that it continues to perform optimally.
2. Limited aftermarket support: While the R180 differential is widely available, the aftermarket for this specific part is not as extensive as some other high-performance car differentials. Finding specialized parts or modifications could be more challenging.
3. Potential for damage: If the previous owner had a history of aggressive driving or poor maintenance, the differential may have sustained damage that is not immediately apparent. A thorough inspection and test drive are recommended to assess its condition.
Conclusion: While the 2004-2005 Subaru WRX STI R180 rear differential (part number 27011AA910) with 71k miles has its pros, potential buyers should be aware of its cons. Regular maintenance, inspections, and careful consideration of its history are essential to ensure that this part continues to provide reliable performance. Ultimately, the decision to buy this differential depends on the specific needs, budget, and expectations of the buyer.
Recommendation: If you're in the market for a reliable, cost-effective rear differential for your Subaru WRX STI, this R180 differential could be a strong contender. However, we recommend conducting a thorough inspection and test drive to assess its condition. Additionally, weigh the potential risks and benefits of purchasing a used part versus a new one, considering the age and mileage of the differential.
This is the 3.90 mechanical LSD R180. The ring, pinion, and LSD were all inspected verified in excellent condition, please see pictures. This rear differential was removed from a 2005 Sti with 71k confirmed miles. Part number: 27011AA910, super session s: 27011aa860.
Credit or debit card. It is in perfect working condition with extremely low miles.
