KIA 546.KI1A21 Gas Accelerator Pedal 3473-13

( Part Type: Pedal ), ( Genuine Oem: Yes ), ( Ipn: 546.ki1a21 ), ( Year: 2021 )

Review KIA Gas Accelerator Pedal Oem fits RIO 2020–2023

The **Kia 546.ki1a21 (2020-2023) Rio Gas Accelerator Pedal (Part Number: 3473-13)** is a precision-engineered component designed specifically for Kia Rio models equipped with gasoline engines, ensuring optimal throttle response and smooth acceleration. This accelerator pedal is crafted from high-quality, durable materials to withstand the demands of daily driving while maintaining reliability over time. The design incorporates a robust pedal arm with a reinforced linkage system, allowing for smooth and consistent engagement with the throttle body, which is critical for both manual and automatic transmission vehicles in this generation. The pedal features a well-balanced pivot mechanism, reducing wear and tear on the throttle cable or electronic throttle control (ETC) system, depending on the vehicle s configuration. Whether your Kia Rio is equipped with a traditional cable-operated throttle or an electronic throttle system, this pedal is engineered to integrate seamlessly, providing the right amount of resistance and feedback for precise control. Built to meet strict automotive standards, this part is designed to resist corrosion and maintain structural integrity even under varying environmental conditions, ensuring long-term performance. Whether you're replacing a worn-out pedal due to normal wear or addressing a malfunction in your vehicle s throttle system, this aftermarket component offers a cost-effective solution that matches or exceeds OEM specifications. Its compatibility with the 2020, 2021, and 2023 Kia Rio models makes it a versatile choice for owners seeking to restore or enhance their vehicle s driving dynamics.

### **Analysis of Kia 546.ki1a21 (2020-2023 Rio) Gas Accelerator Pedal (Part #3473-13)**

#### **Overview**

The **Kia 546.ki1a21** refers to the accelerator pedal assembly for the **Kia Rio (2020-2023)** models equipped with a **gas pedal (throttle-by-wire system)**. This part is critical for vehicle responsiveness and safety, as it controls engine power via electronic signals rather than a direct mechanical linkage.

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### **Pros of Buying This Part**

1. **OEM Quality (If Authentic)**

- If sourced directly from Kia or an authorized dealer, this part meets the manufacturer s specifications, ensuring proper fitment, durability, and compatibility with the vehicle s electronic throttle control system.

- Reduced risk of premature wear or failure compared to aftermarket knockoffs.

2. **Direct Fitment**

- Designed specifically for the **2020-2023 Kia Rio**, eliminating the need for modifications or additional adapters.

- Compatible with both **manual and automatic transmission** models.

3. **Improved Safety and Performance**

- A functional accelerator pedal ensures smooth throttle response, which is essential for safe driving and avoiding sudden power surges or lag.

- Helps prevent issues like **stuck throttle** or **erratic acceleration**, which can be caused by worn or faulty pedals.

4. **Warranty Coverage (If Purchased from a Reputable Seller)**

- Some sellers offer warranties or return policies, providing peace of mind against defects or installation errors.

- Kia dealerships may include warranty coverage for OEM parts.

5. **Easy Installation**

- The accelerator pedal assembly is relatively straightforward to replace, typically requiring basic tools and minimal mechanical skill.

- Most DIY-friendly for those comfortable with automotive repairs.

6. **Prevents Costly Diagnostics**

- A failing accelerator pedal can trigger **check engine lights (CEL)** and **throttle position sensor (TPS) codes**, leading to unnecessary diagnostic trouble. Replacing it proactively avoids these issues.

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### **Cons of Buying This Part**

1. **High Cost (Compared to Aftermarket Alternatives)**

- OEM parts from Kia or dealers are **expensive**, often ranging between **$150 $300** depending on the seller and region.

- Aftermarket or compatible parts (e.g., from **Dorman, ACDelco, or local auto parts stores**) may cost **$50 $120**, offering significant savings without sacrificing quality.

2. **Risk of Counterfeit or Low-Quality Parts**

- Purchasing from **unverified sellers** (e.g., eBay, Facebook Marketplace, or unknown online stores) increases the risk of receiving **fake or substandard parts**.

- Counterfeit pedals may fail prematurely, leading to **recalls, poor performance, or safety hazards**.

3. **Potential Electronic Compatibility Issues**

- The **throttle-by-wire system** in the Rio relies on **calibration** after pedal replacement. If not properly programmed (via **OBD-II scanner**), the vehicle may exhibit:

- **Erratic idle**

- **Slow throttle response**

- **Check engine light (CEL) with TPS or throttle actuator codes**

- Requires a **professional or skilled DIYer** to reset the system correctly.

4. **Labor Costs if Not DIY**

- If replacing the pedal at a **dealership or mechanic**, labor costs (**$80 $150/hour**) can add **$100 $250** to the total expense, nearly doubling the OEM part price.

5. **Limited Availability of Genuine Parts**

- Some **Kia dealerships** may not stock this part immediately, requiring **special ordering**, which can delay repairs.

- Online marketplaces (e.g., **RockAuto, AutoZone, or local junkyards**) may have better availability for aftermarket options.

6. **Wear and Tear on Related Components**

- If the **throttle position sensor (TPS)** or **throttle actuator** is degraded, replacing just the pedal may not fully resolve acceleration issues.

- A **full throttle system inspection** (TPS, wiring, ECU) may be needed for long-term reliability.

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### **Key Considerations Before Purchase**

1. **Symptoms Indicating a Faulty Pedal**

- **Sticking or slow throttle response**

- **Check engine light with P0120, P0121, P0122, or P0123 codes** (TPS-related)

- **Unintended acceleration or hesitation**

- **Visible damage (cracks, loose wiring, or wear)**

2. **Where to Buy?**

- **Best for OEM Quality:** Kia dealership, **RockAuto, or authorized Kia parts distributors**.

- **Best for Cost Savings:** **Dorman, ACDelco, or local auto parts stores** (ensure compatibility).

- **Avoid:** Unverified sellers with no return policy or poor reviews.

3. **Installation Tips**

- **Disconnect the battery** before working on throttle-by-wire systems to prevent ECU errors.

- **Refer to a wiring diagram** (available on **ChiltonManuals or Haynes**) to ensure correct connector alignment.

- **Use a scan tool** (e.g., **Launch X431, OBDLink**) to clear codes and recalibrate the throttle after installation.

4. **Alternatives to Consider**

- **Remanufactured OEM Pedals** (e.g., from **Core Auto Parts**) Often cheaper than new but still reliable.

- **Compatible Aftermarket Pedals** (e.g., **Dorman 504-1304**) Tested for fitment and performance.

- **Junkyard Parts** May be cheaper but riskier due to unknown condition.

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### **Conclusion & Recommendation**

The **Kia 546.ki1a21 accelerator pedal (3473-13)** is a **critical but expensive** component for maintaining your Rio s throttle response and safety. While **OEM parts ensure reliability**, they come at a premium cost. **Aftermarket or compatible alternatives** offer a **cost-effective solution** if sourced from reputable brands.

- **Buy from a Kia dealership or authorized distributor** for OEM quality.

- **Pros:** Reliability, warranty, direct support.

- **Cons:** High cost, potential for overpricing.

- **Purchase a high-quality aftermarket pedal** (e.g., **Dorman 504-1304, ACDelco 12475566, or compatible parts from RockAuto**).

- **Pros:** Significant savings, still reliable, widely available.

- **Cons:** Slightly higher risk if buying from an unknown seller.

- **Have a mechanic or dealership install it** to ensure proper calibration.

- **Avoid cheap, untested parts** that could cause further issues.

- **Inspect the TPS, wiring, and throttle actuator** before replacing just the pedal.

- **Consider a throttle system rebuild kit** if multiple components are failing.

- **For most consumers, the best balance of cost and reliability is an aftermarket pedal from a trusted brand (e.g., Dorman or ACDelco) purchased from RockAuto, AutoZone, or a local auto parts store.**

- **If you re unsure about installation, take it to a Kia dealer or an auto electrician** to avoid calibration errors.

- **Always verify the part number and compatibility** before purchasing to ensure it matches your **2020-2023 Kia Rio (throttle-by-wire model)**.

By choosing the right part and ensuring proper installation, you can **restore smooth acceleration, avoid check engine lights, and extend the lifespan of your Rio s throttle system**.

Details:

Lowest Prices Quality. Part Number:N/A. Part Being Sold:GAS ACCELERATOR PEDAL. Donor Vehicle: 2021 KIA Rios 1.6L AT SEDAN.

MENU Store Support. Item ID:347313.

part #: 546.ki1a21 prices

• $54.00-$65.00

specifications pedalspadsaz:

• for models: Rio
• for makes: Kia
• for years: 2020-2023
• part type: Pedal
• genuine oem: Yes
• ipn: 546.ki1a21
• year: 2021

seller pedalspadsaz:

• city: Mamou, Louisiana
• # reviews: 25865
• rating: 99.7%

returns pedalspadsaz:

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

payments pedalspadsaz:

• other
• credit card: Diners-club
• wallet: Apple-pay

shipping pedalspadsaz:

• transit: 4-10 Days
• type: Fixed
• carrier: USPS
• service: USPS Ground Advantage
• cost: $0.00
• class: Standard

general pedalspadsaz:

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

offer pedalspadsaz:

• options: Ship-to-home
• started: February 24, 2026
• sold: 0
• quantity: 1
• availability: In Stock

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