1. Fuel Tanks & Filler Necks Deals
  2. sku: 24082260285638721
  3. CADILLAC DEVILLE

CADILLAC 179.GM6H91 Fuel Filler Neck

fits model: Deville. make: Cadillac. year: 1991.

179.gm6h91 Cadillac Deville 1991 Fuel Filler Neck 1119147

( Part Type: Fuel Filler ), ( Genuine Oem: Yes ), ( Ipn: 179.gm6h91 ), ( Manufacturer Warranty: 60 Day )

Review CADILLAC Fuel Filler Neck fits DEVILLE 1991

The **1991 Cadillac Fleetwood Brougham (GM Part # 179.GM6H91) Fuel Filler Neck** is a meticulously crafted, high-performance component designed exclusively for the iconic luxury division of General Motors, ensuring seamless integration with the Fleetwood Brougham s refined engineering. This fuel filler neck, a critical yet often overlooked element of automotive functionality, is engineered to deliver both durability and precision, embodying the same level of craftsmanship that defines Cadillac s legacy of opulence and reliability. Constructed from high-grade, corrosion-resistant materials, the filler neck is designed to withstand the harshest environmental conditions while maintaining an elegant, streamlined appearance that complements the vehicle s classic aesthetic. Its robust construction ensures a secure and leak-proof connection to the fuel tank, preventing fuel spillage and maintaining optimal performance under varying driving conditions. The neck features a precision-molded rubber gasket, engineered to create an airtight seal that resists degradation over time, even in prolonged exposure to gasoline vapors and temperature fluctuations. The design incorporates a smooth, ergonomic contour, allowing for easy access and effortless fueling without compromising the vehicle s aerodynamic efficiency. Whether installed on a meticulously restored classic or a carefully maintained collector s model, this filler neck exemplifies the attention to detail that Cadillac enthusiasts expect, bridging functionality with the timeless elegance of the Fleetwood Brougham. Its compatibility with the 1991 model year ensures a perfect fit, making it an indispensable upgrade for owners seeking to preserve the integrity and performance of their prized vehicle.

### **Pros and Cons of Buying a 1991 Cadillac Fleetwood Brougham (VIN: 179GM6H91) with a Replacement Fuel Filler Neck**

#### **Pros**

1. **Classic Luxury and Prestige** The 1991 Cadillac Fleetwood Brougham is a symbol of American automotive luxury from the late 1980s/early 1990s. It features a spacious, opulent interior with high-quality materials, power everything, and a commanding front seat, making it a statement vehicle for collectors and enthusiasts.

2. **Strong V8 Engine (Oldsmobile 350 or 400 V8)** The Fleetwood Brougham typically comes with a robust Oldsmobile-built V8 engine (often a 350 or 400 cubic inch displacement), which, when properly maintained, provides solid power and torque. These engines are known for durability if they have been well-cared-for.

3. **Full-Size Luxury SUV Platform** As a full-size luxury SUV, the Fleetwood Brougham offers significant interior space, making it practical for families or those who need extra room. The high seating position also provides good visibility.

4. **Potential for Restoration or Customization** If you are mechanically inclined or have access to restoration resources, this vehicle can be a rewarding project. Many parts are still available, and aftermarket support exists for classic Cadillacs.

5. **Nostalgia and Investment Potential** For collectors, well-preserved Fleetwood Broughams can appreciate in value over time, especially if they are low-mileage examples with complete documentation. The 1991 model is part of the final run before major redesigns in the mid-1990s.

6. **Fuel Filler Neck Replacement is Manageable** The fuel filler neck is a relatively straightforward repair, especially if you have access to a replacement part and basic mechanical skills. It s not a major overhaul, and many mechanics charge a reasonable labor rate for this job.

---

#### **Cons**

1. **High Maintenance Costs** Classic Cadillacs, especially those from the early 1990s, require frequent maintenance. This includes oil changes, transmission fluid flushes, suspension repairs, and potential electrical system upgrades. Rust can also be an issue, particularly in the frame, subframe, and wheel wells.

2. **Reliability Concerns** While the V8 engine is strong, older GM transmissions (especially the 4T60 or 4T65 automatics) can be finicky and may require rebuilds. Electrical issues, such as faulty sensors or wiring harness problems, are also common in this era.

3. **Fuel Efficiency** The Fleetwood Brougham is not known for its fuel economy. With a V8 engine and heavy SUV body, expect around 12-16 MPG in the city and 14-18 MPG on the highway. High fuel costs can add up over time.

4. **Parts Availability and Cost** While many parts are still available, some specialized components (e.g., interior trim, wiring harnesses, or rare suspension parts) can be expensive or difficult to source. Aftermarket parts may not always match the original quality.

5. **Driving Experience Limitations** The Fleetwood Brougham is heavy and not designed for high-speed or sporty driving. It can feel sluggish compared to modern vehicles, and the ride can be stiff due to its SUV platform.

6. **Fuel Filler Neck Issues May Indicate Larger Problems** While replacing the fuel filler neck is a common repair, it could be a symptom of other underlying issues, such as a failing fuel pump, damaged fuel lines, or a rusted fuel tank. A thorough inspection of the fuel system is recommended before purchasing.

7. **Insurance and Registration Costs** Classic or high-value vehicles often come with higher insurance premiums. Additionally, some states or counties may charge higher registration fees for older or luxury vehicles.

8. **Potential for Hidden Rust or Structural Damage** The Fleetwood Brougham s body is prone to rust, particularly in the wheel wells, rocker panels, and undercarriage. A thorough inspection (or a lift inspection) is essential to avoid purchasing a vehicle with extensive rust damage that could compromise structural integrity.

---

### **Conclusion**

The 1991 Cadillac Fleetwood Brougham is a luxurious, iconic vehicle that offers a unique blend of comfort, space, and classic American automotive heritage. However, it comes with significant drawbacks, including high maintenance costs, potential reliability issues, and poor fuel efficiency. The replacement of the fuel filler neck is a relatively minor repair, but it should prompt a deeper inspection of the vehicle s overall condition.

If you are looking for a **project car** with the potential for restoration and enjoy working on classic vehicles, the Fleetwood Brougham could be a rewarding purchase provided you are prepared for the associated costs and challenges. On the other hand, if you prioritize **reliability, fuel efficiency, and low maintenance**, this vehicle may not be the best choice.

---

### **Recommendation**

**Buy the 1991 Cadillac Fleetwood Brougham only if:**

- You have the budget, time, and mechanical skills to maintain and restore it.

- You are purchasing it as a **project vehicle** rather than a daily driver.

- You have had a **thorough inspection** (including a lift inspection for rust) and are satisfied with its overall condition.

- You are willing to invest in potential transmission, suspension, and electrical system upgrades.

- You enjoy the luxury and nostalgia of driving a classic Cadillac and are not deterred by its limitations.

**Avoid buying it if:**

- You need a **reliable, low-maintenance vehicle** for daily use.

- You are not prepared for **high repair costs** or unexpected mechanical failures.

- You cannot afford to **replace or rebuild major components** (e.g., transmission, fuel system, suspension).

- You prioritize **modern fuel efficiency, safety, or driving dynamics** over classic appeal.

For most buyers, a well-maintained Fleetwood Brougham is best suited as a **weekend or collector s vehicle**, not a primary car. If you decide to proceed, ensure you have a trusted mechanic inspect it thoroughly before finalizing the purchase.

Details:

part #: 179.gm6h91 price

  • $140.50

specifications fueltanksysteme:

  • for models: Deville
  • for makes: Cadillac
  • for years: 1991
  • part type: Fuel Filler
  • genuine oem: Yes
  • ipn: 179.gm6h91
  • manufacturer warranty: 60 Day

payments fueltanksysteme:

  • other
  • wallet: Paypal
  • credit card: Diners-club

general fueltanksysteme:

  • condition: Used
  • Car Truck Parts Accessories > Air Fuel Delivery > Fuel Tanks Filler Necks

returns fueltanksysteme:

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

offer fueltanksysteme:

  • quantity: 1
  • availability: In Stock
  • started: April 29, 2026
  • options: Ship-to-home
  • sold: 0
  • best offers: True

shipping fueltanksysteme:

  • class: Expedited
  • type: Fixed
  • transit: 3-9 Days
  • carrier: USPS
  • service: USPS Priority Mail
  • cost: $0.00

seller fueltanksysteme:

  • # reviews: 874
  • rating: 98.4%
  • city: South River, New Jersey
for models: deville, for makes: cadillac, for years: 1991, part type: fuel filler, genuine oem: yes, manufacturer warranty: 60 day,
manufacturer: cadillac, category: auto parts > car truck parts accessories > air fuel delivery > fuel tanks filler necks, sku: 24082260285638721,
Cadillac 1119147 Is Similar To:
fueltanksysteme logo
1 offer $140.50 USD
  • Used. Offer #1 priced at $140.50 + $0.00 shipping estimate = $140.50* total. FREE SHIPPING

Copyright © fueltanksysteme.com