PONTIAC 219R1A Fiero Throttle Valve Body Cylinder 6-173 2.8L
fits make: Pontiac. year: 1985–1988.
( Manufacturer Part Number: 219R1A ), ( Model: FIERO ), ( Conditions Options: Coupe, Naturally Aspirated ), ( Genuine Oem: Yes ), ( Type: Throttle Body ), ( Manufacturer Warranty: 60 Day )
Review PONTIAC Fiero Throttle Valve Body 2.8l Cylinder fits 1985–1988
The **Pontiac 219R1A Fiero Throttle Body** is a meticulously crafted, high-performance component designed specifically for the iconic 2.8L inline-four engine found in the 1985 through 1988 Pontiac Fiero models. This throttle body is a direct replacement for the stock unit, ensuring seamless integration with the engine bay s wiring harness, vacuum lines, and throttle linkage, while delivering a noticeable improvement in throttle response and overall drivability. Engineered to accommodate the unique airflow demands of the Fiero s 6-173 engine, this throttle body features a robust, durable construction that enhances airflow efficiency, reducing vacuum leaks and improving engine breathing critical for maintaining peak performance, especially under aggressive driving conditions. The unit is equipped with a precision-machined throttle plate and a reinforced body, designed to minimize wear and resist corrosion, making it a reliable upgrade for both street-driven and track-focused applications. Whether you're restoring a classic Fiero to its original glory or pushing it to its limits in a high-revving setup, this throttle body ensures a smoother, more responsive throttle action, reducing lag and enhancing the engine s overall power delivery. Built to meet the exacting standards of the original equipment manufacturer, it s a straightforward yet impactful modification that complements other performance upgrades, such as cold air intakes, high-flow fuel injectors, or exhaust systems, by optimizing the engine s airflow dynamics. With its clean, functional design and compatibility with the Fiero s electrical system, this throttle body is an essential component for enthusiasts looking to refine their vehicle s performance while preserving its timeless character.
### **Pros and Cons of Buying a Pontiac Fiero Throttle Body (Part Number: 219R1A, Fiero Throttle Body, 6-173, 2.8L Cylinder, 1985-1988 Models)**
#### **Pros:**1. **Direct Fitment** This throttle body is designed specifically for the 2.8L V6 engine in the 1985 1988 Pontiac Fiero, ensuring compatibility without modifications.
2. **Common Failure Point** The throttle body in these early Fieros is known to wear out over time, especially if the car was driven aggressively or exposed to dust and debris. Replacing it prevents rough idling, stalling, and poor throttle response.
3. **Affordable Replacement** Compared to rebuilding or restoring the entire engine, a new throttle body is a relatively inexpensive fix, typically costing between $50 $150 depending on source (OEM, aftermarket, or used).
4. **Easy Installation** The throttle body is accessible and can be replaced with basic tools (socket set, wire cutters, and possibly a throttle cable adjustment). No major disassembly is required.
5. **Improves Drivability** A failing throttle body causes symptoms like hesitation, stalling, or a "dead" feeling when accelerating. Replacing it restores smooth operation and responsiveness.
6. **Prevents Further Damage** If left unaddressed, a bad throttle body can lead to engine stalling, which may cause damage to the ignition system, fuel injectors, or even the catalytic converter if the car is driven while stalled.
7. **Aftermarket Availability** While OEM parts may be hard to find, aftermarket throttle bodies (such as those from **Eagle, Moroso, or SpeedPro**) are available and often come with improved materials or gaskets.
8. **DIY-Friendly Project** If you re comfortable with basic mechanical work, this is a great beginner-friendly repair that builds confidence in working on classic cars.
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#### **Cons:**1. **Potential for Counterfeit Parts** Some aftermarket throttle bodies may be poorly made or mislabeled, leading to leaks, rough operation, or early failure. Always buy from reputable sellers (eBay verified, specialty auto parts stores, or trusted online marketplaces).
2. **Throttle Cable Adjustment Required** After installation, the throttle cable may need adjustment to ensure proper linkage between the pedal and throttle plate. This step can be tricky if not done correctly.
3. **Possible Accompanying Issues** If the throttle body was failing due to carbon buildup or contamination, simply replacing it may not fully resolve drivability problems. A carburetor or fuel system cleanout might also be needed.
4. **Limited Longevity in Harsh Conditions** If the car is driven in dusty or dirty environments, the new throttle body may accumulate grime quickly, requiring occasional cleaning with throttle body cleaner.
5. **OEM Parts Scarcity** Original Pontiac throttle bodies are rare and expensive if sourced new. Most buyers opt for aftermarket parts, which may not match the exact OEM fit or feel.
6. **Throttle Body Actuator (if applicable)** Some later models or modifications may require a throttle position sensor (TPS) or actuator, but the basic throttle body itself is straightforward for these years.
7. **Potential for Misdiagnosis** If the car has other underlying issues (vacuum leaks, bad injectors, or a failing idle control valve), replacing the throttle body alone may not fix all symptoms. A scan tool or diagnostic check is recommended before purchase.
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### **Conclusion:**Buying and installing a new throttle body (219R1A) for a 1985 1988 Pontiac Fiero is a **highly recommended and cost-effective repair** for restoring proper throttle response and preventing further drivability issues. The part is relatively inexpensive, easy to install, and directly addresses a common failure point in these cars. However, buyers should ensure they purchase a **genuine or high-quality aftermarket replacement** to avoid poor performance or premature failure.
If the car exhibits symptoms like **rough idling, stalling, or hesitation**, replacing the throttle body is a **prioritized repair** before tackling more complex issues. Pairing this fix with a **throttle body cleaner** and ensuring the **throttle cable is properly adjusted** will maximize the longevity of the new part.
For those comfortable with basic mechanical work, this is an **excellent DIY project** that significantly improves the Fiero s drivability without major expense. If unsure about installation, consulting a mechanic familiar with classic cars is advisable.
**Final Recommendation:**- **Buy:** A **reputable aftermarket throttle body** (e.g., Moroso, SpeedPro, or Eagle) or an **OEM-equivalent used part** if available.
- **Install:** Follow the installation steps carefully, adjust the throttle cable, and clean the surrounding area to prevent future buildup.
- **Maintain:** Periodically clean the throttle body with throttle body cleaner, especially if the car is driven in dusty conditions.
- **Diagnose:** If symptoms persist after replacement, check for **vacuum leaks, fuel system issues, or a failing idle control valve**.
This repair will **restore your Fiero s performance, prevent stalling, and save you from more costly engine-related problems down the road**.
Details:
Used Condition.
part #: 219r1a prices
- $64.85-$119.89
specifications throobo:
- for makes: Pontiac
- for years: 1985-1988
- mpn: 219r1a
- model: Fiero
- conditions options: Coupe, Naturally Aspirated
- genuine oem: Yes
- type: Throttle Body
- manufacturer warranty: 60 Day
seller throobo:
- city: Saint John, Indiana
- # reviews: 747
- rating: 100.0%
general throobo:
- Car Truck Parts Accessories > Air Fuel Delivery > Throttle Bodies
- condition: Used
offer throobo:
- best offers: True
- availability: In Stock
- options: Ship-to-home
- sold: 0
- started: April 3, 2026
- quantity: 1
payments throobo:
- other
- credit card: Diners-club
- wallet: Paypal
shipping throobo:
- carrier: USPS
- type: Calculated
- class: Standard
- transit: 4-7 Days
- service: USPS Ground Advantage
- cost: $8.87
returns throobo:
- policy: No Returns
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