INFINITI 180021LA7A Accelerator Gas Pedal QX56

( Manufacturer Part Number: 180021LA7A ), ( Items Included: Pedals ), ( Color: Black ), ( Material: Plastic ), ( Vintage Part: No ), ( Type: Accelerator Pedal ), ( Manufacturer Warranty: 1 Month ), ( Oe/oem Part Number: 2x30-0023, 2x300023 ), ( Attachment Type: Screws ), ( Features: Easy Installation )

Review INFINITI Accelerator Gas Pedal fits QX80 2011–2015

The **Infiniti QX56/QX80 Accelerator Pedal (Part Number: 180021LA7A, OEM for 2011 2015 models)** is a precision-engineered component designed to deliver seamless, responsive throttle control in Infiniti s flagship luxury SUVs. Crafted from high-grade, durable materials, this accelerator pedal is engineered to withstand the demands of daily driving while maintaining smooth, consistent performance. The pedal features a robust, reinforced construction with a polished, chrome-plated finish that not only enhances its aesthetic appeal but also ensures longevity by resisting wear and corrosion. Its ergonomic design allows for effortless operation, providing drivers with a natural, intuitive feel that complements the refined driving experience of the QX56 and QX80. This pedal is fully compatible with the vehicle s electronic throttle control system, ensuring optimal synchronization with the engine management unit for precise acceleration and fuel efficiency. Whether navigating city streets or cruising on the highway, this accelerator pedal delivers the reliability and performance expected from Infiniti s luxury lineup, making it an essential replacement part for maintaining the vehicle s original driving dynamics.

### **Pros and Cons of Buying a 2011 2015 Infiniti QX56/QX80 with a Faulty Accelerator Pedal (VIN: 180021LA7A)**

#### **Pros**

1. **Strong Brand Reputation** Infiniti is a well-regarded luxury brand with reliable engineering, particularly in its V8-powered SUVs. The QX56/QX80 (based on the Nissan Armada) is known for its spacious interior, smooth ride, and robust performance.

2. **V8 Engine Power** The 5.6L V8 (VQ56DE) produces **370 400 HP** (depending on model year) and **371 lb-ft of torque**, offering strong acceleration and towing capacity (up to **8,500 lbs** in some trims). This makes it suitable for highway driving and light towing.

3. **Luxury & Comfort** The QX56/QX80 features a **spacious cabin** (seats up to 8), premium materials (in higher trims), and a **quiet, smooth ride** thanks to its heavy-duty suspension. The **8-speed automatic transmission** (in later models) provides smooth shifting.

4. **Reliability (Compared to Competitors)** While not as bulletproof as a Toyota or Lexus, the VQ56 V8 is **durable if maintained properly**. Many owners report **200,000 miles** with basic upkeep. The **QX56/QX80 is less prone to major mechanical failures** compared to some Japanese luxury rivals.

5. **Resale Value** Infiniti holds its value reasonably well, especially in the **QX56/QX80 lineup**, which is less common than the QX60. A well-maintained example can still fetch a decent price.

6. **Off-Road & Towing Capability** The **AWD system** (available in some trims) and **strong engine** make it a capable **overland or light-duty towing vehicle**. The **high ground clearance** (8.7 inches) helps in rough terrain.

7. **Aftermarket & Modding Potential** The V8 allows for **performance upgrades** (intake, exhaust, tuning) and **off-road modifications** (lift kits, armor plating). The **large engine bay** makes maintenance easier for DIYers.

8. **Availability of Parts** As a Nissan-based model, **parts are widely available**, and mechanics familiar with the VQ56 V8 are common.

---

#### **Cons**

1. **Faulty Accelerator Pedal (Sticking/Sticking Pedal Issue)** The **most critical concern** with this VIN (180021LA7A) is the **accelerator pedal sticking or failing to return properly**. This is a **known issue** in some **2011 2015 Infiniti QX56/QX80 models**, particularly those with the **VQ56DE V8**.

- **Symptoms:** Sudden acceleration, difficulty disengaging the gas pedal, or the pedal feeling "stuck" in the floor.

- **Cause:** Often linked to **wear in the accelerator cable or linkage**, **faulty throttle body**, or **software glitches** in the **throttle actuator control (TAC) system**.

- **Risk:** If unaddressed, this can lead to **loss of control, accidents, or engine damage** if the pedal gets permanently stuck.

2. **High Maintenance Costs** The **VQ56 V8 is thirsty** ( **15 18 MPG combined**) and requires **regular oil changes (synthetic, high-quality)** every **5,000 7,500 miles** to prevent sludge buildup. **Timing chain tensioners** and **valve seals** can wear out over time, leading to **expensive repairs** (potentially **$1,500 $3,000 **).

3. **Poor Fuel Economy** The **V8 engine is not fuel-efficient**, making long-distance driving costly. Even in **AWD models**, expect **under 15 MPG highway**.

4. **Transmission Issues (Early Models)**

- **2011 2012 models** had a **5-speed automatic transmission** that some owners report as **sluggish or prone to rough shifting**.

- **2013 models** switched to an **8-speed automatic**, which is **smoother but still not as refined as a Mercedes or BMW**.

5. **Interior Quality Variability**

- **Base trims (QX56)** have **cheaper plastics and less sound insulation**.

- **Higher trims (QX80, Platinum, etc.)** have **better materials**, but some owners report **plastic rattles and poor sound deadening**.

6. **Rear Seat Comfort & Visibility**

- The **rear seats are narrow** and may be uncomfortable for tall passengers.

- **Rear visibility is limited** due to the **large SUV size and tall roofline**.

7. **Recall & Warranty Concerns**

- Some **2011 2015 QX56/QX80 models** had **recalls for throttle control issues**, but **not all were fixed**.

- **Extended warranties** (if available) may not cover **accelerator pedal failures** if they were pre-existing.

8. **Depreciation** While Infiniti holds value better than some brands, the **QX56/QX80 is not as sought-after as a Lexus LX or Mercedes M-Class**, meaning **resale value drops faster than luxury competitors**.

9. **Weight & Handling** The **QX56/QX80 is a heavy SUV (6,000 lbs)**, making it **less nimble** than smaller luxury SUVs. **Steering feel is not as precise** as competitors like the **Lexus LX or BMW X5**.

10. **Electrical Gremlins** Some owners report **random electrical issues** (window regulators, infotainment glitches, sensor failures), which can be **annoying and costly to repair**.

---

### **Key Considerations Before Buying**

1. **Accelerator Pedal Issue Must Be Verified & Fixed**

- **Get a pre-purchase inspection (PPI) from a Nissan/Infiniti specialist** to confirm the **pedal mechanism, throttle body, and TAC system** are functioning correctly.

- **Test drive multiple times** to ensure the pedal **returns smoothly** and there are **no sudden acceleration events**.

- **Check for service records** If the seller claims the issue was fixed, **verify with receipts or a mechanic s report**.

2. **Maintenance History is Critical**

- **Oil changes every 5,000 7,500 miles** (synthetic) to prevent **sludge and timing chain failure**.

- **Check for past repairs** **Timing chain tensioners, valve seals, and transmission fluid changes** should be documented.

- **Inspect the transmission** **Sludge buildup or rough shifting** can indicate neglect.

3. **Budget for Potential Repairs**

- **Accelerator pedal fix** (if cable/actuator is bad) can cost **$300 $800**.

- **Throttle body cleaning/replacement** ( $200 $500).

- **Timing chain tensioner replacement** ( $1,200 $2,500).

- **Transmission fluid flush** ( $300 $600).

- **Exhaust manifold gasket leaks** (common in VQ56) ( $500 $1,200).

4. **Alternative Buying Options**

- **Consider a **2016 model** Later years had **improved throttle control software** and **better transmission reliability**.

- **Look for a **QX60 (2013 )** If you want a **more modern Infiniti** with **better tech and fuel economy**.

- **Check for **Certified Pre-Owned (CPO) units** Infiniti s CPO program includes **extended warranties and inspections**.

5. **Test Drive & Inspection Checklist**

- **Accelerate smoothly** No **jerking or sudden surges**.

- **Check for **vacuum leaks** (listen for hissing under the hood).

- **Test **AWD engagement** (if equipped) Ensure it switches properly.

- **Inspect **suspension** for **leaks or worn bushings**.

- **Check **tires** Uneven wear may indicate **alignment or suspension issues**.

---

### **Final Recommendation**

**The accelerator pedal issue has been professionally diagnosed and repaired** (with **receipts and a test drive confirming smooth operation**).

**The vehicle has a **complete maintenance history**, including **regular oil changes, timing

Details:

Shipping prices for ground apply only to the continental USA. All electronics are tested before removed from vehicle. For local orders, pay on pickup available. Item condition: The item is in good condition, fully operational, and demonstrates normal signs of use.

part #: 180021la7a prices

• $70.00-$107.10

specifications pedalspadsaz:

• for models: Qx80
• for makes: Infiniti
• for years: 2011-2015
• mpn: 180021la7a
• items included: Pedals
• color: Black
• material: Plastic
• vintage part: No
• type: Accelerator Pedal
• manufacturer warranty: 1 Month
• oe/oem part number: 2x30-0023, 2x300023
• attachment type: Screws
• features: Easy Installation

returns pedalspadsaz:

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

seller pedalspadsaz:

• city: Rancho Cordova, California
• # reviews: 5399
• rating: 100.0%

offer pedalspadsaz:

• started: April 7, 2026
• sold: 0
• best offers: True
• options: Ship-to-home
• availability: In Stock
• quantity: 1

general pedalspadsaz:

• condition: Used
• Car Truck Parts Accessories > Interior Parts Accessories > Pedal Assemblies, Pads Parts

shipping pedalspadsaz:

• transit: 3-7 Days
• class: Standard
• service: Standard
• cost: $0.00
• type: Fixed

payments pedalspadsaz:

• other
• credit card: Mastercard
• wallet: Apple-pay

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