INFINITI 55501-1BA0A Rear Right Upper Control Arm G37 E050

( Manufacturer Part Number: 55501-1BA0A ), ( Part Type: Control Arm ), ( Part Category: Control-arm-rr ), ( Storage Location: 16b-s2-b2 ), ( Fitment Type: Direct Replacement ), ( Genuine Oem: Yes ), ( Part Source: Genuine Oem ), ( Name: Control-arm-rear ), ( Oe/oem Part Number: 55502-1ma0b ), ( Manufacturer Warranty: 90 Day )

Review INFINITI G37 Rear Right Upper Control Arm Oem fits 2009–2020

The **Infiniti G37 Rear Right Upper Control Arm (Part Number: 55501-1BA0A, E050, Fits Models: 2009 2013)** is a precision-engineered suspension component designed to deliver optimal handling, stability, and durability for the iconic Infiniti G37 sedan. Crafted from high-strength steel and meticulously forged to meet OEM specifications, this upper control arm plays a critical role in maintaining proper wheel alignment, reducing unwanted wheel movement, and ensuring a smooth, responsive ride. The arm features a robust, ball-joint-mounted design, allowing for smooth articulation under dynamic driving conditions while minimizing wear on associated suspension components like the ball joints, bushings, and tie rods. Its robust construction is engineered to withstand the stresses of daily driving, aggressive cornering, and varying road surfaces, helping to extend the lifespan of the entire suspension system. Whether navigating tight city streets or cruising on the highway, this control arm contributes to a balanced, predictable steering feel and helps prevent premature tire wear by keeping the wheels aligned correctly. For enthusiasts and owners seeking a direct replacement that restores factory performance, this part is a seamless fit, offering the same reliability and precision as the original equipment. Its compatibility with the G37 s suspension geometry ensures that it integrates flawlessly with the lower control arm, sway bar links, and steering linkage, providing a complete and functional solution for those restoring or upgrading their vehicle s suspension.

### **Pros and Cons of buying a Infiniti G37 Rear Right Upper Control Arm (Part Number: 55501-1BA0A, Years: 2009 2013, E050 Model)**

1. **Direct Fitment** This part is specifically designed for the 2009 2013 Infiniti G37 (E050) and the right rear upper control arm, ensuring compatibility without modification.

2. **Durability** High-quality materials (likely steel or reinforced plastic) are used to withstand weight and road stresses, reducing premature wear.

3. **Reliability** A reputable manufacturer (assuming the seller is legitimate) should provide a part that functions as intended, reducing handling issues like clunks, misalignment, or excessive play.

4. **Cost-Effective** Compared to labor costs, this part is relatively inexpensive, making it a practical DIY or professional repair solution.

5. **Prevents Further Damage** A failing control arm can lead to suspension wear (e.g., bushings, ball joints, tie rods). Replacing it early can avoid more expensive repairs.

6. **Improves Driving Comfort** A worn control arm can cause uneven tire wear and poor handling; replacing it restores proper alignment and ride quality.

1. **Potential Counterfeit Risk** If purchased from an untrusted source (e.g., eBay, Craigslist, or unknown online marketplaces), the part may be a low-quality knockoff, leading to early failure.

2. **Installation Complexity** While the part itself is straightforward, removing the old control arm may require disconnecting the stabilizer bar link, which can be tricky for inexperienced DIYers.

3. **Bushing Wear** Even with a new control arm, the bushings (rubber or polyurethane inserts) may still be worn. If they re degraded, the new arm won t last long unless replaced simultaneously.

4. **Mismatched Quality** Some aftermarket parts use softer bushings that wear out faster than OEM components, leading to recurring issues.

5. **Limited Availability** Depending on the seller, stock may be inconsistent, leading to delays or higher prices for urgent repairs.

6. **Additional Costs** If the ball joint or other suspension components are also worn, they may need replacement, increasing the total repair cost.

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### **Conclusion**

The **Infiniti G37 rear right upper control arm (55501-1BA0A)** is a **necessary and cost-effective replacement** for vehicles experiencing clunks, misalignment, or excessive suspension movement. However, its effectiveness depends on **purchasing from a trusted source** (e.g., a reputable auto parts store like RockAuto, O Reilly, or a dealership) and ensuring **complementary components (bushings, ball joints) are in good condition**.

If the part is **genuine OEM or high-quality aftermarket**, it will **extend suspension life, improve handling, and prevent further damage**. However, if **bought cheaply from an unknown seller**, it may fail quickly, leading to wasted money and frustration.

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### **Recommendation**

1. **Buy from a Trusted Source** Purchase from a **verified auto parts retailer** (e.g., RockAuto, Amazon with seller reviews, or a local Infiniti dealer) to avoid counterfeit parts.

2. **Inspect Bushings** If replacing the control arm, **check or replace the bushings** (especially if they re cracked or compressed). Polyurethane bushings last longer than rubber but may require professional installation.

3. **Consider Professional Installation** If unsure about suspension work, have a **mechanic install it**, as improper alignment can lead to tire wear or handling issues.

4. **Check for Accompanying Wear** While replacing the control arm, **inspect the ball joint, stabilizer bar link, and sway bar bushings** these often wear at the same time.

5. **DIY vs. Professional**

- **DIY:** Feasible if you have basic tools and mechanical knowledge.

- **Professional:** Recommended if you lack experience or if other suspension components need attention.

6. **Budget for Extras** If the bushings are bad, **factor in their replacement cost** (typically $20 $50 each) to ensure long-term reliability.

**Final Verdict:** **Worth buying** if sourced correctly and installed properly, but **avoid cheap, untested parts** to prevent recurring problems. A well-maintained suspension is critical for safety and longevity.

Details:

May have wear and tear, Color: Images: All images are of the actual item. 2009 - 2013 Infiniti G37 Rear Right Upper Control Arm, 55501-1BA0A, E050, OEM, 2009, 2010, 2011, 2012, 2013, Fitment Information: G37, 2014 2015 Q60, 2008 - 2012 EX35, 2014 2017 QX50, Part number: Placement on Vehicle: condition: Used item, refer to images for item condition. God Bless You.

part #: 555011ba0a prices

• $55.00-$157.63

specifications suspensiosteeri:

• for makes: Infiniti
• for years: 2009-2020
• mpn: 55501-1ba0a
• part type: Control Arm
• part category: Control-arm-rr
• storage location: 16b-s2-b2
• fitment type: Direct Replacement
• genuine oem: Yes
• part source: Genuine Oem
• name: Control-arm-rear
• oe/oem part number: 55502-1ma0b
• manufacturer warranty: 90 Day

general suspensiosteeri:

• Car Truck Parts Accessories > Steering Suspension > Control Arms, Ball Joints Assemblies
• condition: Used

seller suspensiosteeri:

• rating: 99.7%
• city: Rancho Cordova, California
• # reviews: 29879

shipping suspensiosteeri:

• cost: $0.00
• service: FedEx Ground / FedEx Home Delivery
• class: Standard
• type: Fixed
• transit: 5-8 Days
• carrier: FedEx

payments suspensiosteeri:

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

offer suspensiosteeri:

• quantity: 1
• options: Ship-to-home
• best offers: True
• started: June 6, 2026
• availability: In Stock
• sold: 0

returns suspensiosteeri:

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

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