PONTIAC 20210739 Lid Body Gap Panel Lh FC-9

( Manufacturer Part Number: 20210739 ), ( Material: Plastic ), ( Type: Filler ), ( Color: Tan ), ( Non-domestic Product: No ), ( Fitment Type: Direct Replacement ), ( Placement On Vehicle: Left, Rear ), ( Manufacturer Warranty: No Warranty )

Review PONTIAC 2021 0739 Lid To Body Gap Panel Fc-9 Lh fits PRIX GRAND 1981–1987

The **Pontiac 20210739 Lid Body Gap Panel (81-87 Prix FC-9 LH)** is a meticulously crafted, high-quality replacement part designed to restore the factory precision and aesthetic appeal of Pontiac s iconic **Firebird (FC-9) Trans Am and GTO models** from the early 1980s. This gap panel, also known as the lid body gap filler or lid gap panel, is engineered to bridge the seam between the vehicle s trunk lid and the body, ensuring a seamless, contoured finish that eliminates unsightly gaps while maintaining structural integrity. Crafted from durable, high-grade **polypropylene or ABS plastic**, this panel is built to withstand the rigors of daily driving, exposure to the elements, and the demands of customization, making it an ideal choice for both restoration projects and performance builds. The **LH (Left-Hand Drive)** designation confirms its compatibility with American-market Firebirds, ensuring proper fitment for drivers seated on the left side of the vehicle. Whether restoring a classic muscle car to its original showroom condition or enhancing a modified Trans Am with a sleek, factory-inspired look, this gap panel delivers a professional-grade solution that blends form and function seamlessly. Its precise dimensions and ergonomic design account for the unique contours of the Firebird s body, allowing for an effortless installation that requires minimal sanding or trimming, saving time and effort during assembly. For enthusiasts seeking authenticity and durability, this part is a standout investment perfect for those who demand nothing less than perfection in their Pontiac restoration or modification endeavors.

### **Pros and Cons of Buying a 1981-1987 Pontiac Firebird (LH) with a Pontiac Part Number 20210739 (Body Gap Panel, FC-9)**

#### **Pros**

1. **Classic American Muscle Car Appeal** The Firebird, particularly the Trans Am or IROC-Z models, is an iconic American muscle car with strong collector value. Its design, performance, and cultural significance make it a desirable vehicle for enthusiasts.

2. **Potential for Restoration or Customization** If the car is in rough condition, it can be a rewarding project for someone with mechanical and bodywork skills. Many parts are still available, and aftermarket support is strong.

3. **Engine Options** The LH platform (1982 1987) offered a variety of engines, including the **L98 5.0L V8 (301 ci)** in the Trans Am and **L78 5.7L V8 (350 ci)** in the IROC-Z. These engines, while not as powerful as modern muscle cars, are reliable and fun to drive when properly maintained.

4. **Affordability Compared to Other Classics** While not cheap, a well-maintained 1981 1987 Firebird can be found for a reasonable price compared to other high-demand muscle cars from the same era (e.g., Camaros, Challengers).

5. **Parts Availability** Pontiac parts, especially for the LH platform, are still widely available from aftermarket suppliers, making repairs and modifications easier than on some older vehicles.

6. **Potential for High Mileage Reliability** If the car has been well-maintained, the drivetrain and suspension components can last for hundreds of thousands of miles, especially with proper upkeep.

7. **Community and Support** There is a strong community of Firebird enthusiasts, with forums, clubs, and events dedicated to preserving and restoring these cars.

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#### **Cons**

1. **Body Rust and Structural Issues** Many Firebirds from this era suffer from rust, particularly in the wheel wells, rocker panels, and floor pans. The **body gap panel (part #20210739)** suggests that the original body had significant rust damage, which may indicate deeper structural problems.

2. **Electrical and Electronics Reliability** The LH platform, especially in the early 1980s, had some electrical quirks. Issues like faulty wiring, intermittent problems with the ignition system, or failing gauges can be common.

3. **Transmission and Drivetrain Wear** The **THM700-R4 automatic transmission** (common in this era) can be finicky and may require frequent fluid changes and adjustments. Manual transmissions (where available) can also develop syncro issues over time.

4. **Fuel Injection and Engine Reliability** The **L98 (301 ci) and L78 (350 ci) engines** are generally robust, but they can develop oil leaks, head gasket issues, or camshaft wear if not maintained properly. The **fuel injection system** (especially in later models) can also be finicky and may require tuning.

5. **Suspension and Steering Wear** Bushings, ball joints, and control arms wear out over time, leading to handling issues. The **power steering** (where equipped) can also fail, requiring costly repairs.

6. **Interior Wear and Tear** The upholstery, carpets, and dashboard materials from this era are not as durable as modern alternatives. Replacing worn interiors can be expensive.

7. **Emissions and Modern Compliance** If you plan to drive the car legally on public roads, you may need to address emissions concerns (especially if it has a **fuel-injected engine**). Some states have strict smog laws that may require modifications or a clean bill of health.

8. **High Maintenance Costs** While parts are available, labor costs for restoration or maintenance can add up quickly, especially if you don t have mechanical experience.

9. **Depreciation Risk** Unlike some classic cars that appreciate in value, a Firebird in average condition may not hold its value well unless it is a well-documented, low-mileage example with a clean title.

10. **Potential for Hidden Damage** Since the car requires a **body gap panel**, there may be other hidden rust or structural issues that could lead to unexpected repair costs.

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### **Conclusion**

Buying a **1981 1987 Pontiac Firebird (LH) with a body gap panel (part #20210739)** can be a great investment if you are looking for a **project car, a restoration candidate, or a fun daily driver** provided you are prepared for the challenges. The car has strong appeal for enthusiasts, but its condition suggests that **significant bodywork and potential structural repairs** will be necessary.

If you are **mechanically inclined, have a budget for restoration, and enjoy working on classic cars**, this Firebird could be a rewarding purchase. However, if you are looking for a **ready-to-drive vehicle with minimal issues**, you may want to consider a **better-documented example with a clean title and lower mileage**.

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### **Recommendation**

- **Get a thorough inspection** by a trusted mechanic or classic car specialist.

- **Check for hidden rust** (especially in the frame, floor pans, and suspension components).

- **Verify engine and transmission condition** consider a compression test and transmission fluid analysis.

- **Budget for bodywork** the gap panel suggests rust damage, so factor in labor and materials for repairs.

- **Test drive carefully** listen for unusual noises, check for leaks, and ensure the car handles properly.

- **Look for a Firebird with a clean title, lower mileage, and documented maintenance history.**

- **Prioritize models with the L98 (301 ci) or L78 (350 ci) engines**, as they are more reliable than some of the weaker options.

- **Avoid cars with excessive rust or electrical issues** unless you are prepared to address them immediately.

- **Good for:** Enthusiasts willing to invest time and money in restoration, those who appreciate classic muscle cars, and buyers who enjoy mechanical challenges.

- **Not ideal for:** Casual buyers looking for a plug-and-play vehicle, those on a tight budget, or anyone who prefers modern reliability.

If you proceed with the purchase, **prioritize a pre-purchase inspection** and be prepared for potential repairs. With the right approach, this Firebird could become a **showstopping classic** or a **fun, reliable daily driver** but it will require effort.

Details:

2021 0739 Trunk Lid to Body Gap Panel 81-87 Pontiac Grand Prix FC-9 LH. Has scuffs and scratches due to age, wear storage, storage.

part #: 20210739 prices

• $29.00-$116.97

specifications trunklipa:

• for models: Prix, Grand
• for makes: Pontiac
• for years: 1981-1987
• mpn: 20210739
• material: Plastic
• type: Filler
• color: Tan
• non-domestic product: No
• fitment type: Direct Replacement
• placement on vehicle: Left, Rear
• manufacturer warranty: No Warranty

payments trunklipa:

• wallet: Paypal
• credit card: Discover
• other

general trunklipa:

• Exterior Parts Accessories > doors, Trunk Lids Hatches > Hatches Trunk Lids
• condition: Used

shipping trunklipa:

• transit: 10-15 Days
• cost: $0.00
• type: Fixed
• service: Economy
• class: Economy

seller trunklipa:

• city: Atlanta, Georgia
• rating: 99.1%
• # reviews: 1399

offer trunklipa:

• started: April 24, 2026
• quantity: 1
• options: Ship-to-home
• best offers: True
• availability: In Stock
• sold: 0

returns trunklipa:

• policy: No Returns

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