1. Seats Interior For Sale
  2. sku: 18750529347365762
  3. FORD C9ZZ-6345728-A

FORD C9ZZ-6345728-A Rear Fold Down Seat Trap Door C9ZB-A

fits model: Mustang, Fastback. make: Ford. year: 1969–1970.

C9zz-6345728-a Ford 1969 1970 Mustang Fastback Rear Fold Down Seat Trap Door Black Oem C9zb-a

( Manufacturer Part Number: C9ZZ-6345728-A ), ( Part Type: Down Seat Trap Door ), ( Manufacturer Warranty: Not Nos ), ( Color: Black ), ( Material: Steel ), ( Vintage Part: Yes ), ( Country Of Origin: United States ), ( Placement On Vehicle: Rear )

Review FORD Rear Fold Down Seat Trap Door Black Oem fits MUSTANG FASTBACK 1969–1970

The **Ford C9ZZ-6345728-A (1969 1970 Mustang Fastback Rear Fold-Down Seat Trap Door)** is a meticulously engineered and highly sought-after aftermarket component designed exclusively for the iconic **1969 and 1970 Ford Mustang Fastback** models. This premium trap door system replaces the standard rear seat assembly with a sleek, functional fold-down mechanism that not only enhances the vehicle s sporty aesthetic but also provides practical access to the trunk area without the need for a full rear seat removal. Crafted from high-quality materials, the C9ZZ trap door features a durable **aluminum frame** reinforced with sturdy **steel brackets**, ensuring both rigidity and longevity while maintaining a lightweight profile. The design incorporates a **smooth, contoured fiberglass or composite shell**, carefully molded to match the Mustang s signature lines, blending seamlessly with the vehicle s bodywork. The fold-down mechanism itself is operated via a **reliable hydraulic or mechanical lift system**, allowing the seat to retract effortlessly with minimal effort, revealing a spacious trunk cavity that retains the original Mustang s cargo capacity. This trap door is particularly favored by enthusiasts seeking to preserve the classic Fastback s iconic silhouette while gaining the convenience of a convertible-like rear access point. Whether installed for performance tuning, customization, or simply to elevate the car s visual appeal, the **C9ZZ-6345728-A** is a precision-built accessory that bridges functionality and heritage, embodying the spirit of the original pony car with modern practicality.

### **Pros and Cons of Buying a 1969-1970 Ford Mustang Fastback (C9ZZ-6345728-A / C9ZB-A with Rear Fold-Down Seat Trap Door)**

#### **Pros**

1. **Classic Design and Iconic Status**

The 1969-1970 Mustang Fastback is one of the most recognizable muscle cars ever produced. Its sleek, aerodynamic fastback roofline and bold styling make it a standout in any setting. Collectors and enthusiasts highly value these models, and their presence at car shows or on the street commands attention.

2. **Strong Performance Potential**

The 1969-1970 Mustangs were available with a range of powerful engines, including the **289 V8 (271-302 hp), 351 Cleveland (250-300 hp), and the legendary 390/428 Cobra Jet (375-425 hp)**. With modifications, these engines can still deliver impressive power today. The **trap door fastback** (C9ZB-A) was a premium option, adding to its desirability.

3. **Rarity and Collectibility**

The **C9ZZ-6345728-A** (1969) and **C9ZB-A** (1970) are among the rarest Mustangs due to their limited production numbers. The **trap door design** was discontinued after 1970, making surviving examples even more valuable. This rarity ensures strong resale potential for well-maintained examples.

4. **Unique Features**

- The **rear fold-down seat/trap door** (C9ZB-A) was a novelty feature, allowing easy access to the trunk without removing the rear seats. This was a premium option that few Mustangs had.

- The **fastback roofline** provided better aerodynamics than the coupe, making it a more refined muscle car.

- Some models came with **optional high-performance packages**, such as the **Boss 302 (1970)**, which added to their appeal.

5. **Restoration and Customization Opportunities**

These Mustangs are often purchased for restoration or modification. The **C9ZZ/C9ZB** models are highly sought after in the classic car market, and a well-executed restoration can significantly increase their value. Enthusiasts also enjoy building these cars into modern performance machines.

6. **Strong Community and Support**

The classic Mustang community is vibrant, with numerous clubs, forums, and aftermarket parts available. Finding support for restoration, maintenance, and modifications is relatively easy compared to more obscure muscle cars.

7. **Potential for High Resale Value**

If maintained properly, a **restored or well-preserved 1969-1970 Mustang Fastback (especially with the trap door)** can appreciate in value over time. Auction sales of similar models (e.g., Boss 302, Mach 1) often exceed $100,000, and even common models can fetch **$30,000 $60,000** in good condition.

---

#### **Cons**

1. **High Cost of Ownership**

- **Purchase Price:** A **restored or original 1969-1970 Mustang Fastback** (especially with the trap door) can cost **$50,000 $150,000 **, depending on condition, rarity, and provenance.

- **Maintenance and Repairs:** Original parts are expensive, and labor costs for classic cars can be high. Common issues include:

- **Rust** (especially in the floor pans, rocker panels, and rear quarter panels).

- **Electrical system failures** (aging wiring, faulty switches, and relays).

- **Transmission and drivetrain wear** (original automatic transmissions and rear ends may need rebuilding).

- **Suspension components** (shocks, bushings, and ball joints degrade over time).

- **Insurance:** Classic car insurance can be costly, especially for high-value Mustangs. Specialty insurers may be required.

2. **Reliability Concerns**

- While some examples run flawlessly, many **1969-1970 Mustangs** suffer from **neglect or poor maintenance** over the decades. Common problems include:

- **Engine issues** (valve stem seals, oil leaks, and head gasket failures in older V8s).

- **Transmission problems** (original C4 automatics and 4-speed manuals can be finicky).

- **Exhaust and emissions systems** (modern compliance may require modifications).

- A **pre-purchase inspection (PPI) by a trusted mechanic is essential** to avoid buying a money pit.

3. **Fuel Economy and Modern Driving Challenges**

- These cars are **thirsty for fuel**, especially with larger V8 engines. Modern gas prices can make daily driving expensive.

- **Performance and handling** may not match modern standards original suspension tuning is stiff, and braking systems are basic compared to today s cars.

- **Safety concerns** (no modern airbags, weaker crumple zones, and outdated safety features) make them less practical for daily use.

4. **Limited Modern Comforts**

- **Interiors are basic** by today s standards vinyl seats, manual windows, and minimal sound insulation.

- **Climate control** is nonexistent in most examples (early models lacked A/C, and heating was rudimentary).

- **Noise and vibration** can be an issue, especially with worn suspension or engine mounts.

5. **Legal and Compliance Issues**

- **Emissions and smog laws** may require modifications (e.g., modern catalytic converters, OBD-II compliance) to pass inspections in some states.

- **Title and ownership history** can be problematic some Mustangs may have **salvage titles, flood damage, or unclear histories**, which can complicate insurance and resale.

- **Restoration costs** to meet modern safety or emissions standards can be prohibitive.

6. **Storage and Transportation Challenges**

- Classic cars require **proper storage** (garage, climate-controlled facility) to prevent rust and damage.

- **Transporting** a Mustang (especially a long one like the fastback) can be expensive if not owned locally.

7. **Time-Consuming Maintenance**

- Unlike modern cars, repairs on a Mustang often require **more labor and patience**. Finding skilled mechanics familiar with classic Fords can be difficult.

- **DIY repairs** are common among enthusiasts, but they require mechanical knowledge and tools.

---

### **Conclusion**

Buying a **1969-1970 Ford Mustang Fastback (C9ZZ-6345728-A / C9ZB-A with trap door)** is a **highly rewarding but financially demanding** endeavor. These cars are **iconic, rare, and highly collectible**, making them excellent long-term investments for the right buyer. However, they come with **significant costs, maintenance challenges, and practical limitations** that make them **poor choices for casual drivers or those on a tight budget**.

If you are **passionate about classic cars, willing to invest time and money in restoration, and treat the vehicle as a passion project rather than a daily driver**, this Mustang is an **excellent purchase**. On the other hand, if you prioritize **modern convenience, reliability, and low ownership costs**, a newer or more practical classic car would be a better choice.

---

### **Recommendation**

1. **If You re Buying for Investment or Collecting:**

- **Prioritize a well-documented, restored example** with a **clean title, originality (or well-sourced parts), and a strong engine (e.g., 351C, Boss 302, or 428 Cobra Jet).**

- **Budget for at least $50,000 $80,000** for a solid example, with **additional funds set aside for maintenance and potential upgrades.**

- **Join Mustang clubs and forums** to learn from experienced owners before purchasing.

- **Get a pre-purchase inspection (PPI) from a trusted classic car mechanic** to avoid hidden issues.

2. **If You re Buying for Driving and Enjoyment:**

- Consider a **less rare but still desirable Mustang**, such as a **1967 1968 Fastback or a 1971 1973 Mach 1**, which may be more practical while still offering strong performance.

- **Avoid projects** unless you have the time and skills to restore it yourself.

- **Look for a Mustang with a known service history** to minimize future repair costs.

3. **If You re on a Budget:**

- A **1969 1970 Mustang Fastback is likely beyond your means** unless you find a **project car with potential** (but be prepared for high restoration costs).

- Consider **alternative classic muscle cars** (e.g., Chevy Chevelle, Pontiac GTO, or Dodge Challenger) that may offer similar performance at a lower price.

**Final Verdict:**

The **1969-1970 Ford Mustang Fastback (C9ZZ/C9ZB-A) is a dream car for enthusiasts**, but it

Details:

Its an OEM Ford item with correct form fit for a Shelby GT350 GT500 / mach 1 Boss 302 Boss429 Grabber Twister Special, why go retro. From a 70SportsRoof it suits 69 model's too, however fixed seat w/ package shelf indifferent, been resting for nearly 40 years. Original factory part, for luggage compartment front access door w/ folding seat / deck use. Painted stamped steel dated 10 16 2 Oct 16th, fits just above the sport deck forward of trunk, includes special 6 u-nuts.

Finished for a 3A-code black interior, the grain pattern looks well defined from not having been redone much.There are no speaker or screw holes, pinch edges flat all around, interior appears to have little rust pin-holes noted.

part #: c9zz6345728 prices

  • $45.00-$155.00

specifications seainterio:

  • for models: Mustang, Fastback
  • for makes: Ford
  • for years: 1969-1970
  • mpn: C9zz-6345728-a
  • part type: Down Seat Trap Door
  • manufacturer warranty: Not Nos
  • color: Black
  • material: Steel
  • vintage part: Yes
  • country of origin: United States
  • placement on vehicle: Rear

offer seainterio:

  • options: Ship-to-home
  • quantity: 1
  • availability: In Stock
  • sold: 0
  • started: February 1, 2026

shipping seainterio:

  • cost: $27.37
  • service: FedEx Ground / FedEx Home Delivery, USPS Ground Advantage
  • transit: 12-20 Days
  • type: Calculated
  • carrier: FedEx, USPS
  • class: Standard

general seainterio:

  • Interior Parts Accessories > Seats, Parts Accessories > Seats
  • condition: Used

seller seainterio:

  • # reviews: 1058
  • rating: 100.0%
  • city: West Milford, New Jersey

returns seainterio:

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

payments seainterio:

  • wallet: Paypal
  • cash
  • credit card: Discover
  • other
for models: mustang, fastback, for makes: ford, for years: 1969-1970, part type: down seat trap door, manufacturer warranty: not nos, vintage part: yes, country of origin: united states, placement on vehicle: rear,
category: auto parts > interior parts accessories > seats, parts accessories > seats, color: black, material: steel, sku: 18750529347365762,
Ford C9ZZ-6345728 Is Similar To:
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4 offers $45.00–$155.00 USD
  • Used. Offer #1 priced at $155.00 + $54.50 shipping estimate = $209.50* total. +$54.50 shipping
  • Used. Offer #2 priced at $45.00 + $8.95 shipping estimate = $53.95* total. Includes all (4) clear plastic slides which run on the vertical tubular rails, the channel edges are parallel. Original factory marked C9ZB-65223A00-A, for mounting to forward or rearward glass & bracket holes on either side use.+$8.95 shipping
  • Used. Offer #3 priced at $50.00 + $8.95 shipping estimate = $58.95* total. Fits into console under ashtray forward door at left, bench tested and works, has fairly bright zinc. Original factory marked C9ZB-13A726-A, for console optioned ash receptacle lamp wiring & socket assembly use.+$8.95 shipping
  • Used. Offer #4 priced at $70.00 + $11.95 shipping estimate = $81.95* total. From a 70 Dearborn mach1 w/ 4-spd, it mounts near the forward edge of the console just in front of the floor shifter, however Shelby is different. Original factory marked C9ZB-65048A04-AW, for optional console w/ M/T manual transmission or A/T automatic transmission shifter use.+$11.95 shipping

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