TOYOTA 114304K15 Throttle Body Unit

( Manufacturer Part Number: 114304K15 ), ( Part Type: Throttle Unit ), ( Country Of Origin: Japan )

Review TOYOTA Throttle Body Unit fits TERCEL 1995

The **Toyota 114304-K15 Throttle Body Unit** from the **1995 Toyota Tercel** is a critical component of the vehicle s fuel injection system, designed to regulate airflow into the engine while ensuring precise fuel delivery for optimal performance and efficiency. This throttle body unit is engineered specifically for the **4A-FE engine**, which powers the Tercel during this model year, and is integral to maintaining smooth throttle response, reducing emissions, and preventing engine stalling or hesitation. Crafted from durable materials, including high-quality plastic and metal components, the throttle body features a **single throttle valve** that opens and closes in response to driver input, allowing air to enter the intake manifold at the correct rate. The unit also incorporates a **throttle position sensor (TPS)**, which sends real-time signals to the engine control module (ECM) to adjust fuel delivery and ignition timing accordingly. Over time, wear, carbon buildup, or mechanical failure can cause the throttle body to become sticky, leading to rough idling, poor acceleration, or even complete engine failure if left unaddressed. Replacing the throttle body with this **OEM-quality 114304-K15 unit** ensures a seamless fit, restoring the engine s responsiveness and reliability. Whether restoring a classic Tercel or addressing performance issues in a well-maintained vehicle, this throttle body unit is a straightforward yet essential upgrade that helps maintain the integrity of the fuel injection system, ensuring the engine runs cleanly and efficiently. Proper installation, including cleaning the throttle body and calibrating the TPS, is recommended to maximize performance and longevity.

The **Toyota 114304-K15 Throttle Body Unit** from a 1995 Tercel is a common aftermarket or replacement part, particularly for older Toyota and Lexus models. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of buying a 114304-K15 Throttle Body Unit**

1. **Compatibility and Fit**

The 114304-K15 is a well-documented part that fits multiple Toyota and Lexus models, including the 1995 Tercel, 4Runner, Tacoma, and early Lexus models (e.g., ES200, RX7). This makes it a versatile choice if you plan to use it in other projects or have multiple vehicles.

2. **Performance Potential**

The throttle body is a key component in the engine s air intake system. A clean or upgraded throttle body can improve throttle response, reduce hesitation, and enhance overall drivability, especially if the original unit was dirty or malfunctioning.

3. **Cost-Effective Replacement**

Compared to rebuilding or replacing the entire throttle body assembly, purchasing a new or refurbished unit is often cheaper. Prices typically range from $50 to $150, depending on the source (OEM, aftermarket, or used).

4. **Ease of Installation**

The throttle body is relatively straightforward to replace, especially on older Toyota models. It requires basic tools (socket set, wiring harness connectors, and possibly a throttle cable adjustment) and can be done in under an hour with some mechanical experience.

5. **Aftermarket Availability**

The part is widely available from Toyota dealers, online retailers (e.g., Amazon, eBay, RockAuto), and specialty auto parts stores. This ensures you can easily find replacements or additional units if needed.

6. **Potential for Upgrades**

Some aftermarket throttle bodies are designed for performance tuning, offering improved airflow or electronic throttle control (ETC) compatibility. If you re modifying your engine, this unit could serve as a starting point for further upgrades.

7. **Prevents Long-Term Issues**

A failing throttle body can cause intermittent stalling, rough idling, or check engine lights (due to improper air-fuel ratios). Replacing it proactively can avoid more costly engine or sensor-related problems down the line.

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### **Cons of buying a 114304-K15 Throttle Body Unit**

1. **Age and Wear of the Vehicle**

The 1995 Tercel is an older model, and while the throttle body itself may be reliable, other components (e.g., sensors, wiring, or the engine s condition) could contribute to persistent issues. Replacing just the throttle body may not solve all drivability problems if the underlying cause is elsewhere (e.g., vacuum leaks, faulty sensors, or carbon buildup in the intake).

2. **Potential for Counterfeit or Low-Quality Parts**

Buying from untrusted sellers (especially online marketplaces) risks receiving a counterfeit or poorly manufactured throttle body. Counterfeit parts may not fit correctly, leak, or fail prematurely. Always verify the seller s reputation and purchase from reputable sources like Toyota dealers or well-reviewed aftermarket suppliers.

3. **Compatibility Quirks**

- Adjusting the throttle cable or linkage.

- Replacing wiring harness connectors if they re damaged.

- Ensuring the throttle body s electrical connectors match the vehicle s ETC system (if applicable).

Double-check your vehicle s specific requirements before purchasing.

4. **Throttle Body Cleaning as an Alternative**

If the unit is dirty but mechanically sound, cleaning it thoroughly (using throttle body cleaner and a brush) can restore performance without a full replacement. This is often cheaper and more environmentally friendly. However, if the throttle body is cracked, corroded, or has internal damage, replacement is necessary.

5. **Limited Longevity with Poor Maintenance**

Even a new throttle body may fail prematurely if the vehicle is driven aggressively, lacks proper maintenance (e.g., oil changes, air filter replacements), or is exposed to extreme conditions (e.g., dust, moisture). Regular maintenance of the intake system is crucial for longevity.

6. **Potential for Overkill**

If your Tercel s drivability issues stem from something other than the throttle body (e.g., a failing mass airflow sensor, vacuum leak, or ignition problem), replacing just the throttle body won t resolve the issue. Diagnosing the root cause with a scan tool or professional inspection is advisable.

7. **Electronic Throttle Control (ETC) Compatibility**

Some newer or modified vehicles require a throttle body with ETC compatibility. The 114304-K15 may not include the necessary electronics for advanced systems, which could limit its use in heavily modified setups.

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### **Conclusion**

The **114304-K15 Throttle Body Unit** is a practical and cost-effective solution for replacing a worn or malfunctioning throttle body in a 1995 Toyota Tercel. Its broad compatibility, ease of installation, and potential performance benefits make it a worthwhile purchase for basic repairs or upgrades. However, it is not a universal fix other underlying issues (e.g., sensors, wiring, or engine health) may still affect drivability.

If your primary goal is to restore smooth operation and eliminate symptoms like stalling or rough idling, this part is a solid choice, provided you source it from a reputable seller and ensure proper installation. For more complex performance tuning or if the vehicle has multiple issues, a thorough diagnostic process should precede the throttle body replacement.

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### **Recommendation**

1. **Verify the Issue**: Before purchasing, confirm that the throttle body is indeed the problem. Symptoms like rough idling, hesitation, or check engine lights (with codes related to throttle position or airflow) are strong indicators. Use an OBD-II scanner to check for specific error codes (e.g., P0120, P0121, P0122 for throttle position sensor issues).

2. **Clean First, Replace Second**: If the throttle body is dirty but mechanically intact, attempt to clean it thoroughly. This is often cheaper and just as effective. Only replace it if cleaning doesn t resolve the issue or if the unit is visibly damaged.

- Buy from **Toyota dealers** or **authorized aftermarket suppliers** (e.g., RockAuto, Amazon with verified sellers) to avoid counterfeit parts.

- Check reviews and return policies before purchasing, especially if buying online.

- Ensure the part number matches your vehicle s requirements (some Tercel models may have slight variations).

- Gather the necessary tools (socket set, wire connectors, throttle cable adjustment tools).

- Have a wiring diagram or reference guide for your specific model to ensure proper reconnection of electrical components.

- Consider consulting a mechanic if you re unfamiliar with throttle body replacement.

- After replacing the throttle body, monitor the vehicle for persistent issues. If problems continue, inspect other components like the mass airflow sensor, vacuum hoses, or ignition system.

- If you re modifying the vehicle for performance, research whether the throttle body is compatible with your goals (e.g., cold air intake, ECU tuning).

- Regularly clean the throttle body (every 12,000 24,000 miles) to prevent buildup.

- Replace the air filter and ensure the intake system is free of debris.

- Follow the manufacturer s maintenance schedule for the Tercel to prolong the life of the throttle body and other components.

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**Final Verdict**: The 114304-K15 Throttle Body Unit is a **reliable and practical choice** for a 1995 Toyota Tercel if the throttle body is confirmed as the source of drivability issues. With careful sourcing, proper installation, and attention to other potential problems, it can significantly improve your vehicle s performance and reliability. However, treat it as part of a broader diagnostic and maintenance strategy rather than a standalone fix.

Details:

USED 1995 Toyota Tercel Throttle Body Unit 114304K15 is a genuine part designed for air and fuel delivery in the vehicle. This specific unit is built to the manufacturers part number 114304K15, ensuring compatibility and optimal performance for a 1995 Toyota Tercel.

part #: 114304k15 price

• $137.18

specifications throobo:

• for models: Tercel
• for makes: Toyota
• for years: 1995
• mpn: 114304k15
• part type: Throttle Unit
• country of origin: Japan

returns throobo:

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

offer throobo:

• best offers: True
• availability: In Stock
• sold: 0
• options: Ship-to-home
• started: June 4, 2026
• quantity: 1

general throobo:

• condition: Used
• Car Truck Parts Accessories > Air Fuel Delivery > Throttle Bodies

shipping throobo:

• class: Economy, Expedited, One-day
• carrier: FedEx
• service: FedEx Ground Economy, FedEx 2Day, FedEx Standard Overnight, FedEx Priority Overnight
• transit: 4-7 Days
• cost: $19.88
• type: Calculated

payments throobo:

• credit card: Diners-club
• wallet: Paypal
• other

seller throobo:

• city: Pittsburgh, Pennsylvania
• rating: 99.9%
• # reviews: 2075

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