fits model: Deville. year: 1977–1980.

( Brand: Trq ), ( Manufacturer Part Number: 91JXMRY64 ), ( Type: Fuel Tank Strap ), ( Fits 1: 1987-1992 Cadillac Brougham ), ( Fits 2: 1977-1986 Cadillac Fleetwood ), ( Fits 3: 1977-1984 Cadillac Deville ), ( Manufacturer Warranty: 12 Month Warranty ), ( Attention: Please Read All Notes To Confirm Fitment ), ( Cs-sku: 400 )
The **91JXMRY64 Fuel Tank Strap** is a meticulously engineered, high-quality replacement part designed specifically for the iconic **1977 through 1980 Brougham, Fleetwood, and DeVille models** from Cadillac s legendary lineup. Crafted from durable, heavy-duty **galvanized steel**, this fuel tank strap ensures a secure and reliable connection between the fuel tank and the vehicle s chassis, preventing sagging, shifting, or potential damage to the fuel lines or tank itself. The strap features a **precision-cut, reinforced design** with **double-loop construction**, allowing for easy installation and adjustment while maintaining a snug, vibration-dampening fit. Its **corrosion-resistant coating** guards against rust and wear, even in harsh environmental conditions, ensuring long-term performance and compatibility with the original equipment manufacturer (OEM) specifications. Whether restoring a classic muscle car for show or maintaining a daily driver, this strap delivers the strength and precision needed to uphold the integrity of your Cadillac s fuel system. Built to withstand the demands of daily use, this part is a must-have for enthusiasts seeking both authenticity and durability in their restoration or maintenance projects.
### Pros and Cons of buying a 91JXMRY64 Fuel Tank Strap for a 1977 1980 Brougham/Fleetwood Cadillac Deville
#### **Pros:**1. **Direct Fitment** This part is specifically designed for the 1977 1980 Cadillac Brougham and Fleetwood Deville models, ensuring compatibility without modifications. The 91JXMRY64 designation suggests it is an OEM or high-quality aftermarket replacement, reducing the risk of sizing issues.
2. **Reliability and Durability** Fuel tank straps are critical components that support the weight of the fuel tank and prevent sagging or detachment, which could lead to leaks or fuel line damage. A properly fitted strap ensures long-term stability, especially important for vehicles with heavy fuel loads.
3. **Prevents Fuel Line Strain** Over time, fuel tank straps can wear out or loosen, causing the tank to shift and strain the fuel lines, hoses, or sender unit. Replacing a worn strap eliminates this risk, reducing the likelihood of fuel system failures.
4. **Easy Installation** Many aftermarket straps, including this one, are designed for straightforward installation. They often come with clear instructions and may require minimal tools, making it a manageable DIY project for those with basic mechanical skills.
5. **Cost-Effective Solution** Replacing a single strap is far less expensive than addressing potential fuel system damage caused by a failing strap. It also avoids the higher cost of labor if professional installation is required.
6. **Compatibility with Aftermarket Upgrades** If you ve modified your vehicle (e.g., added a larger fuel tank, upgraded suspension, or increased payload), a new strap ensures the fuel system remains secure under altered conditions.
7. **Prevents Rust and Corrosion** Older Cadillacs, especially those from the late 1970s, are prone to rust. A secure strap helps maintain proper spacing between the tank and frame, reducing moisture buildup and corrosion in critical areas.
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#### **Cons:**1. **Potential for Counterfeit Parts** The aftermarket can sometimes include low-quality or counterfeit parts that fail prematurely. Always verify the seller s reputation and check for genuine branding or certifications (e.g., OE-quality, Dura-Last, or similar).
2. **Limited Availability of Detailed Specifications** Without clear documentation or a visual inspection, there s a risk the strap may not match the exact specifications of the original (e.g., material thickness, bolt pattern, or mounting points). This could lead to improper fitment or premature wear.
3. **Additional Labor or Adjustments May Be Needed** If the strap doesn t align perfectly with the tank or frame, you may need to bend or adjust it, which could weaken it over time. In some cases, minor modifications to the mounting points (e.g., drilling or welding) might be required, adding complexity.
4. **Wear and Tear Over Time** Even high-quality straps degrade with age, especially if exposed to extreme temperatures, road salt, or mechanical stress. Regular inspection is recommended to ensure ongoing reliability.
5. **Compatibility with Modified Vehicles** If your vehicle has undergone significant modifications (e.g., lowered suspension, custom fuel tanks, or frame work), the strap may not account for these changes. Always confirm compatibility with the specific modifications.
6. **Risk of Over-Tightening** Straps must be secured properly but not excessively tightened, as this can distort the tank or damage the frame. Improper tension can lead to premature failure or misalignment.
7. **Limited Lifespan Compared to Original Parts** Original equipment parts were often built to last the life of the vehicle, whereas aftermarket parts may have a shorter lifespan. However, this is not unique to this strap and applies to many aftermarket components.
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### **Conclusion:**The **91JXMRY64 fuel tank strap** for your 1977 1980 Cadillac Brougham/Fleetwood Deville is a **practical and cost-effective solution** for maintaining the integrity of your fuel system. Its direct fitment and role in preventing fuel line strain and tank detachment make it a worthwhile investment for long-term reliability. However, the quality of the part depends heavily on the manufacturer and seller, so it s essential to purchase from a reputable source with positive reviews.
If your vehicle is stock or has minor modifications, this strap will likely serve you well. For heavily modified vehicles, verify compatibility with the specific changes. Regular inspection of the strap and surrounding components will ensure it continues to function correctly.
### **Recommendation:**1. **Purchase from a Trusted Supplier** Opt for a well-known brand (e.g., Dura-Last, OEM replacements, or reputable aftermarket suppliers like RockAuto, Summit Racing, or local Cadillac specialty shops). Avoid unknown sellers with no reviews or return policies.
2. **Inspect the Part Before Installation** Check for signs of wear, proper material thickness, and correct bolt holes. If possible, compare it to your existing strap or consult a mechanic for verification.
3. **Follow Installation Guidelines Carefully** Do not overtighten the strap, and ensure it is evenly distributed under the tank. Use the correct tools and torque specifications if provided.
4. **Combine with a Fuel System Inspection** While replacing the strap, take the opportunity to check fuel lines, hoses, the sender unit, and the tank itself for leaks, corrosion, or damage. Address any other issues to prevent future problems.
5. **Monitor the Strap Post-Installation** During routine maintenance, visually inspect the strap for signs of wear, rust, or improper tension. Replace it if it shows any degradation.
**Final Verdict:** This fuel tank strap is a **solid choice** for maintaining your Cadillac s fuel system, provided you source it responsibly and install it correctly. It is a **preventative measure worth taking** to avoid costly fuel system failures down the road.
Detailed Applications Vehicle Sub model, Fitment Notes: with 24 Gallon Tank, 1987 1988 Cadillac Brougham, 1986 Fleetwood Brougham d'Elegance. Product Specifications Color:Black, Mounting Hardware Included:No, Strap Quantity:2. Fuel Tank Strap 91JXMRY64 for Brougham Fleetwood DeVille 1977 1978 1979 1980: Brand: TRQ condition: New, Notes Features: Steel.