GENERAL MOTORS FOREIGN 337-60001 Throttle Body Cylinder Metro 1.3L Firefly

( Brand: General Motors Foreign ), ( Model: METRO ), ( Part Type: Throttle Cylinder Motor ), ( Conditions Options: 1.3, 3at ), ( Genuine Oem: Yes ), ( Ipn: 337-60001 ), ( Make: General ), ( Year: 1993 ), ( Manufacturer Warranty: 6 Month )

Review GENERAL MOTORS FOREIGN Throttle Body Assembly 1.3l Cylinder Firefly fits 1992–1994

The **Ford 337-60001 Throttle Body** is a precision-engineered component designed exclusively for the **1.3L inline-four cylinder (92-94 Ford Firefly)** engines, ensuring optimal airflow and throttle response for vehicles like the **Ford Escort, Mercury Tracer, and Mazda 323 (LX and GL models)** from the early '90s. This throttle body is a direct replacement for the original equipment (OEM) unit, meticulously crafted to match the exact specifications of the factory installation, including the correct mounting dimensions, electrical connectors, and throttle linkage compatibility. Built with high-quality materials, the throttle body features a durable **plastic housing** reinforced with sturdy metal brackets to prevent warping or deformation under normal operating conditions, while the internal **throttle plate** is constructed from precision-machined metal for smooth, consistent operation. The unit incorporates a **throttle position sensor (TPS)**, which is essential for accurate fuel injection and engine performance, ensuring seamless integration with the vehicle s electronic control module (ECM). Whether you're restoring a classic Firefly engine or upgrading an older model for improved throttle response, this throttle body delivers reliable performance, reducing hesitation and enhancing overall drivability. Its universal fitment across multiple Ford and Mazda platforms makes it a versatile choice for enthusiasts and mechanics seeking a cost-effective, high-quality replacement that restores factory-like functionality without compromising on durability.

### **Pros and Cons of Buying a General Motors 337-60001 Throttle Body (1.3L Cylinder, 1992-1994 Firefly)**

The throttle body in question (part number **337-60001**) is a common component for **1992-1994 Chevrolet Firefly** and **GMC Sonoma** vehicles equipped with the **1.8L or 2.2L 4-cylinder engines** (though it may also fit some 1.3L applications in rare cases). Here are the key advantages of purchasing this part:

1. **Direct Fitment** If the part number matches your vehicle s engine configuration, it should install without modification, provided the mounting points and wiring harness are compatible. GM s throttle bodies from this era are standardized across many models, reducing the risk of mismatches.

2. **Reliability** GM s throttle bodies from the early '90s were generally durable if maintained properly. The **337-60001** is a stock replacement part, meaning it should function as intended without major issues if the original failed due to wear, carbon buildup, or electrical problems.

3. **Cost-Effective** Replacement throttle bodies are significantly cheaper than labor-intensive repairs (e.g., rebuilding the throttle body or replacing the entire intake manifold). Prices typically range from **$50 to $150**, depending on condition and source.

4. **Easy Installation** Most throttle bodies from this era are **bolt-on replacements** with minimal wiring or vacuum line adjustments. Basic mechanical skills are usually sufficient for installation, though some models may require slight alignment of the throttle cable or idle control valve (ICV).

5. **Aftermarket Compatibility** If you plan to modify the engine (e.g., adding a turbocharger, performance intake, or ECU tune), many aftermarket throttle bodies (e.g., **Holley, Edelbrock, or SpeedPro**) are designed to interface with GM s original mounting points. A stock replacement can serve as a transitional part before upgrading.

- **Auto parts stores** (AutoZone, O Reilly, NAPA)

- **Online marketplaces** (eBay, RockAuto, PartsGeek)

- **Junkyards** (often cheaper but may require cleaning)

- **GM dealers** (for OEM parts, though pricier)

7. **Prevents Further Damage** A failing throttle body can cause **rough idling, stalling, poor acceleration, or even engine damage** if it leads to prolonged misfires or fuel delivery issues. Replacing it early can prevent more expensive repairs.

8. **No Major Modifications Needed** Unlike some modern throttle bodies that require **learn cycles** or **ECU reprogramming**, GM s early '90s units typically just need to be installed and tested for proper idle.

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1. **Age and Wear** Parts from this era (early '90s) may show signs of **wear, rust, or degraded seals**, especially if sourced from a junkyard or used market. A new OEM or aftermarket part is preferable for longevity.

2. **Potential Mismatch with 1.3L Engine** The **1.3L Firefly engines** (used in some early '90s models) were less common than the **1.8L or 2.2L** versions. While the **337-60001** *may* fit, you should:

- **Verify the exact throttle body type** (some 1.3L engines used a different part number, such as **337-60002** or **337-60003**).

- **Check wiring harness compatibility** some 1.3L models had unique throttle position sensor (TPS) or idle control valve (ICV) setups.

- **Inspect mounting points** some 1.3L engines had slightly different intake manifold designs.

3. **Carbon Buildup Risk** Even a new throttle body can develop **carbon deposits** over time, leading to **sticky throttle plates** or **poor idle**. Some owners recommend **cleaning the throttle body** (with throttle body cleaner) before installation to prevent this.

4. **Idle Control Valve (ICV) Issues** The **337-60001** includes an **ICV**, which can fail independently. If the ICV is bad, the throttle body may not idle properly. Replacing just the throttle body won t fix an ICV problem you may need to replace it separately (**part number 337-60002** for the ICV assembly).

5. **Throttle Position Sensor (TPS) Problems** The TPS (part of the throttle body) can wear out, sending incorrect signals to the ECU. If the TPS is faulty, replacing just the throttle body won t solve the issue you may need a **new throttle body with a working TPS** or a **separate TPS replacement**.

6. **Aftermarket vs. OEM Quality** While aftermarket throttle bodies (e.g., **Eagle, Moroso, or SpeedPro**) are often cheaper, some may have **lower-quality materials** or **poor sealing**, leading to **leaks or premature failure**. OEM parts (from GM or a reputable dealer) are more reliable but cost more.

- **Stiff throttle plates** (may require lubrication with **throttle body grease**).

- **Misaligned throttle cable** (can cause rough idle).

- **Vacuum line leaks** (if the original hoses were cracked).

- **ECU relearn needed** (rare, but some vehicles require a **throttle body relearn** after replacement).

8. **Limited Longevity with Aggressive Mods** If you plan to **turbocharge, supercharge, or heavily modify** the engine, the stock throttle body may **not handle the increased airflow** and could fail prematurely. In such cases, an **aftermarket performance throttle body** (e.g., **Holley HP, Edelbrock E-TEC**) is recommended.

9. **Counterfeit Parts Risk** When buying online (especially from unknown sellers), there s a chance of receiving a **fake or mismatched part**. Always:

- **Check the part number** against your vehicle s specs.

- **Inspect the throttle body** for signs of wear or incorrect labeling.

- **Buy from trusted sellers** (eBay verified, RockAuto, or reputable local shops).

10. **Potential for Other Related Failures** If the throttle body failure was due to a **larger underlying issue** (e.g., **vacuum leaks, bad fuel injectors, or a failing ECU**), replacing just the throttle body may provide **temporary relief** but not a permanent fix.

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The **General Motors 337-60001 throttle body** is a **practical and cost-effective replacement** for many **1992-1994 Firefly and Sonoma** vehicles, particularly those with **1.8L or 2.2L engines**. However, **caution is advised** when applying it to a **1.3L cylinder engine**, as there may be **compatibility issues** with the throttle body, ICV, or TPS.

**If your vehicle matches the correct specs (confirmed via VIN or engine code), the 337-60001 is a solid choice** especially if sourced from a **reputable dealer or new OEM supplier**. It offers **reliability, ease of installation, and affordability**, making it a **wise investment** for restoring proper throttle response and preventing further engine issues.

- **Find the exact correct part number** (possibly **337-60002 or 337-60003**).

- **Check for aftermarket alternatives** that support 1.3L applications.

- **Consider a throttle body kit** that includes the **ICV and TPS** for better compatibility.

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- Checking the **original part number** on the old throttle body.

- Referring to a **GM repair manual** or **Haynes manual** for your specific model year.

- Consulting a **trusted mechanic or online forum** (e.g., **Firefly Forum, Chevy Truck Forum**).

2. **Prioritize Quality**

- **New OEM (GM dealer part)** or **high-quality aftermarket** (Eagle, Moroso, SpeedPro).

- Avoid **junkyard parts** unless you re prepared to **clean and inspect** them thoroughly.

3. **Inspect Related Components**

- **Check the

Details:

Brakes, seals, sensors, and lines should be inspected replaced as needed. Torque converter must be properly seated and aligned to the front pump. Contact B R immediately prior to removing or repairing any components. If heat tabs are melted or removed, warranty void.

No Hardware, Accessories. Transfer Case. Small Parcel Shipping UPS/FedEx: Free shipping on all small parcel orders. Radiators must be flow tested or replaced receipts required.

Check with the dealer as components may be different. B R Automotive does not guarantee mileage. Inspect and replace as needed. FIREFLY 92-94 Throttle Body Assembly; 1.3L 4 cylinder, AT.

Residential delivery is not included in the free shipping or our regional charges. Confirm proper gear ratio prior to installation. Engine oil pans must be re-sealed. We remove oil pans to inspect automatic transmissions.

Inspect and replace seals gaskets as needed. Fill with fluid according to manufacturers recommended type and level. Each item comes with a 6-month, part-only warranty for your peace of mind. Warranty does not include shift motor, switches, sensors, or seals.

Cooling lines must be flushed of debris before installing. Timing belts, thermostat, water pump and other maintenance items must be replaced. Purchaser must replace seals, gaskets, and filter before installation re-seal the oil pan. No Labor or any other charges related to the sale installation of this product are warranted.

Must be installed and inspected by a factory trained certified technician.

part #: metro price

• $20.00

specifications throobo:

• for years: 1992-1994
• brand: General Motors Foreign
• model: Metro
• part type: Throttle Cylinder Motor
• conditions options: 1.3, 3at
• genuine oem: Yes
• ipn: 337-60001
• make: General
• year: 1993
• manufacturer warranty: 6 Month

returns throobo:

• policy: Returns Accepted
• time: 60 Days
• paid by: Buyer

general throobo:

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

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• quantity: 1
• sold: 0
• availability: In Stock
• options: Ship-to-home
• best offers: True
• started: March 19, 2026

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shipping throobo:

• type: Fixed
• transit: 4-8 Days
• class: Standard
• service: Standard
• cost: $10.00

seller throobo:

• # reviews: 69723
• rating: 98.4%
• city: Albany, Oregon

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