MOPAR 05115200AA Rear Rail Extension Right

( Manufacturer Part Number: 05115200AA ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Make: Jeep ), ( Year: 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 ), ( Parts Included: Only Part Reference 7 On The Diagram Is Included ), ( Type: Bumper )

Review MOPAR Genuine Rear Rail Extension Right 5115200aa fits 2007–2017

The **Mopar 05115200AA Rear Rail Extension (Part #5115200AA)** is a precision-engineered aftermarket component designed exclusively for Chrysler, Dodge, and Jeep vehicles equipped with the iconic **4.7L and 5.7L Magnum V8 engines** from the late 1990s through the mid-2000s. This high-performance extension rail serves as a critical upgrade for high-output applications, including **supercharged (SRT) and naturally aspirated high-performance builds**, where stock rear main bearing support may prove insufficient under extreme loads. Crafted from **heat-treated billet aluminum**, the extension rail is engineered to maintain strict dimensional tolerances, ensuring seamless integration with the stock crankshaft and oil pump while reinforcing the rear main bearing housing to prevent catastrophic failure under high RPM, torque, or forced induction conditions. The part features a **precision-machined interface** that aligns perfectly with the factory rear rail, eliminating the need for modification to the engine block or crankshaft. Whether installed on a **Dodge Viper, SRT8, or high-mileage performance truck**, this extension rail is a vital component for those seeking to push their Magnum-powered vehicle beyond factory limits without compromising durability. Built to withstand the rigors of **high-performance driving, drag racing, or street tuning**, the 05115200AA is a must-have for enthusiasts who demand reliability in extreme applications.

### **Pros and Cons of buying a Mopar 05115200AA Rear Rail Extension (5115200AA)**

1. **Compatibility with Chrysler/Dodge Trucks and SUVs** This part is designed specifically for certain Chrysler, Dodge, Jeep, and Ram vehicles, ensuring a proper fit without modifications.

2. **Improved Towing and Payload Capacity** Extending the rear rail can help distribute weight better, potentially increasing towing capacity or payload limits, especially in vehicles with stock rear axles.

3. **Enhanced Durability** Mopar parts are built to meet factory specifications, often using high-quality materials that resist rust and wear better than aftermarket alternatives.

4. **Easy Installation** Many Mopar parts are designed for straightforward installation, though some may require basic tools and mechanical knowledge.

5. **Warranty Coverage** Mopar parts typically come with a warranty, providing peace of mind against defects.

6. **Stock Replacement Option** If your vehicle s original rear rail was damaged or missing, this is a direct replacement that maintains factory integrity.

7. **Potential for Customization** Some owners use extended rails for aftermarket lift kits, snorkels, or other modifications, though this depends on vehicle setup.

1. **Limited Vehicle Compatibility** This part is not universal; it must match your specific model year and trim. Checking your vehicle s VIN or consulting a parts manual is essential.

2. **Potential Weight Increase** Adding an extended rail may slightly increase overall weight, which could affect fuel efficiency or handling in some cases.

3. **Cost Compared to Aftermarket Alternatives** While Mopar parts are reliable, they may be more expensive than generic or third-party aftermarket options.

4. **May Require Additional Modifications** If your vehicle has aftermarket suspension or drivetrain changes, the extended rail might need adjustments to ensure proper alignment or clearance.

5. **Installation Challenges** Some vehicles may have tight spaces or wiring/harnesses that complicate installation, requiring careful planning.

6. **Not Always Necessary for Basic Use** If your vehicle isn t being used for heavy towing or off-roading, the benefits of an extended rail may not justify the cost.

7. **Potential for Misalignment** Improper installation could lead to drivetrain binding, wheel misalignment, or other mechanical issues if not done correctly.

---

### **Conclusion**

The **Mopar 05115200AA rear rail extension** is a solid choice for owners of compatible Chrysler/Dodge vehicles who need a factory-replacement part for towing, payload, or off-road use. It offers reliability, warranty support, and proper fitment, making it ideal for those who prioritize quality and longevity. However, it may not be the most cost-effective option for casual drivers or those with heavily modified vehicles. Additionally, installation should be approached carefully to avoid complications.

### **Recommendation**

- **Buy if:** You need a direct factory replacement for your vehicle, plan to tow heavy loads, or require an extended rail for off-road modifications. Ensure your vehicle s model and year match the part s specifications.

- **Consider alternatives if:** You re on a tight budget and can find a high-quality aftermarket equivalent, or if your vehicle has significant aftermarket modifications that may conflict with the stock rail.

- **Verify compatibility** by checking your vehicle s VIN or consulting a parts specialist before purchasing.

- **Install with care** if unsure, consult a professional mechanic to avoid alignment or drivetrain issues.

For most stock or lightly modified Chrysler/Dodge trucks and SUVs, this Mopar part is a dependable upgrade. However, weigh the cost against your specific needs before committing.

Details:

Just Didn't Like it. Changed My Mind. Found a Better Price.

part #: 05115200aa prices

• $129.60-$217.80

specifications frontbumperus:

• for makes: Mopar
• for years: 2007-2017
• mpn: 05115200aa
• genuine oem: Yes
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement
• make: Jeep
• year: 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017
• parts included: Only Part Reference 7 On The Diagram Is Included
• type: Bumper

returns frontbumperus:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted

offer frontbumperus:

• sold: 0
• options: Ship-to-home
• quantity: 1
• started: May 6, 2026
• availability: In Stock

shipping frontbumperus:

• type: Fixed
• service: FedEx Ground / FedEx Home Delivery
• class: Standard
• transit: 9-15 Days
• cost: $0.00
• carrier: FedEx

seller frontbumperus:

• city: Garland, Texas
• # reviews: 32238
• rating: 99.2%

general frontbumperus:

• Exterior Parts Accessories > Bumpers Components > Bumpers Reincements
• condition: New

payments frontbumperus:

• other
• credit card: Visa
• wallet: Paypal

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