
4321-735-74L Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $149.28 | Condition is New, New Goodmark LH Side Trunk Floor Drop Off Fits Pontiac Firebird GMK432173574L, FREE SHIPPING | 97.1% |
![]() | $150.13 | Top Pick! Condition is New, Goodmark LH Side Trunk Floor Drop Off Fits Pontiac Firebird GMK432173574L, FREE SHIPPING | 96.3% |

Introducing the Goodmark 4321-735-74L Trunk Floor Driver, an essential automotive part designed specifically for Pontiac Firebird models produced between 1970 and 1981. This trunk floor driver, also known as a trunk hinge, plays a crucial role in the functionality and durability of your vehicle's trunk lid.
This high-quality trunk floor driver is meticulously crafted to provide a perfect fit for your Pontiac Firebird. The Goodmark 4321-735-74L is engineered using advanced manufacturing processes and premium materials, ensuring a reliable and long-lasting solution for your vehicle. Its robust design can withstand the test of time, making it an excellent choice for those seeking a dependable and authentic replacement part.
The trunk floor driver features a sleek and streamlined design, blending seamlessly with the original design of your Pontiac Firebird. Its matte black finish not only enhances the overall aesthetic appeal of your vehicle but also provides an extra layer of protection against the elements.
Installing the Goodmark 4321-735-74L Trunk Floor Driver is a straightforward process. The included hardware and clear instructions make it easy for DIY enthusiasts to complete the installation themselves. For those who prefer professional assistance, the part is also compatible with most automotive repair shops, ensuring a hassle-free experience.
By upgrading your Pontiac Firebird with the Goodmark 4321-735-74L Trunk Floor Driver, you not only restore the functionality of your trunk lid but also improve the overall performance and value of your vehicle. This replacement part is an investment in your vehicle's longevity and a testament to your commitment to maintaining its authenticity and originality.
In summary, the Goodmark 4321-735-74L Trunk Floor Driver is an essential and high-quality replacement part for Pontiac Firebird models from 1970 to 1981. Its robust design, perfect fit, and easy installation make it an excellent choice for those seeking a reliable and authentic solution to maintain the functionality and value of their vehicle.
Buying a Goodmark 4321-735-74L Trunk Floor Driver for 1970-1981 Pontiac Firebird: A Comprehensive Analysis
Introduction:The Goodmark 4321-735-74L Trunk Floor Driver is a replacement part designed for the trunk floor of 1970-1981 Pontiac Firebird models. This component is essential for maintaining the structural integrity and waterproofing of the trunk. In this analysis, we will discuss the potential advantages and disadvantages of purchasing this part.
Pros:1. OEM-grade quality: Goodmark is known for manufacturing high-quality aftermarket parts, ensuring a perfect fit and function.
2. Waterproof: The trunk floor driver is designed to prevent water from entering the trunk, keeping the interior dry and free from damage.
3. Structural support: The trunk floor driver provides essential structural support to the vehicle, ensuring a stable and safe driving experience.
4. Convenient: Replacing the trunk floor driver is a more cost-effective alternative to purchasing a new or used car with the same issue.
Cons:1. Cost: The Goodmark 4321-735-74L Trunk Floor Driver may be more expensive compared to some aftermarket or used alternatives.
2. Installation complexity: The installation process may require some mechanical skills and tools, which could add to the overall cost and time investment.
3. Availability: Depending on the location and availability, it may take some time to receive the part.
Conclusion:The Goodmark 4321-735-74L Trunk Floor Driver offers several advantages, including OEM-grade quality, waterproofing, structural support, and convenience. However, it also comes with some disadvantages, such as cost, installation complexity, and potential availability issues.
Recommendation:If you own a 1970-1981 Pontiac Firebird and are experiencing issues with the trunk floor, the Goodmark 4321-735-74L Trunk Floor Driver is an excellent choice for a replacement. Its high-quality construction, waterproofing capabilities, and structural support make it a worthwhile investment, despite the potential costs and installation complexities. To ensure a smooth purchasing and installation experience, it is recommended to research local suppliers and installation services for the best prices and availability.
Details:
These imperfections will easily be corrected during the initial filling, priming and sanding of your repair or restoration. Unless expressly stated all parts are new aftermarket replacements. Quarter panels - Goodmark factory quarter panels feature a full sail panel to the roof picture will reflect actual coverage, door jamb pillar if originally used, and extend trunk opening wrap around tail just like part. This is our only recourse in filing a claim for shipping damage.
Door shells - Goodmark door shells are complete bolt-on assemblies with inner structure and outer skin included. Floors - Goodmark factory floors extend to all the seams and feature correct bracing welded underneath except as noted or shown. For many model's all new parts are available to completely replace the in door. Fenders - all Goodmark front fenders include the inner bracing and are complete bolt-on assemblies, not just outer skin.
With proper care our hoods can last the life of car. Sign the delivery receipt as damaged. Names are used to show fitment as these parts designed for direct replacement. Trunk lids - Goodmark trunk lids are full double-wall construction with inner frame and outer skin spot welded together.
It should be refused. Holes may have to be punched for emblems, molding or trim not used on all model's. Minor modifications such as elongating mounting holes, adding shims, etc, are normal and may be necessary when you installing the product. Use your old panel as a guide.
In the event of damage to your shipped goods, here are steps take. You should open and inspect your merchandise carefully before signing the delivery receipt. Weather-strip gutters will need to be added because they were not part of the quarter panel originally. Trunk floor driver side fits 1970-1981 Pontiac Firebird 4321-735-74L: part type driver floor, material steel, quantity ea, placement left, other number.
Hoods - all Goodmark hoods are double panel assemblies, including the inner frame and outer skin welded together with factory dimension nuts to attach hinges.
specifications interiorswoop:
- for models: Firebird
- for makes: Pontiac
- for years: 1970–1981
- brand: Goodmark
- mpn: 4321-735-74l
- part type: Trunk Driver
- california prop 65 warning: Warning, Visit Www.p65warnings.ca.gov.
- rim material: Steel
- upc: 615343739885
returns interiorswoop:
- paid by: seller
- time: 30 days
- policy: returns accepted
offer interiorswoop:
- started: october 11, 2025
- sold #: 18
- prices: $149.28–$150.13
- item condition: New
- options: ship-to-home
- availability: in stock
- in stock #: 2
shipping interiorswoop:
- service: ups ground
- transit: 4-6 days
- type: fixed
- carrier: ups
- class: standard
seller interiorswoop:
- # reviews: 24991
- city: kansas city, missouri
- rating: 99.6%
payments interiorswoop:
- wallet: google-pay
- other
- credit card: mastercard
general interiorswoop:
- category: Auto Parts > Car Truck > Interior Accessories
Also Viewed:
- 4020-923-688R: ARM, Goodmark
- 4021-500-752R: , Goodmark
- 4012-517-683R: , Goodmark
- 4140-507-471B: , Goodmark
- 4012-725-71S: TRUNK, Goodmark
- 4010-500-621: , Goodmark
- 4144-506-73R: , Goodmark
- 4032-725-68U: TRUNK, Goodmark
- 4143-500-67S: , Goodmark
- 3021-500-671S: , Goodmark
- 4143-510-671L: DRIVER, Goodmark

