Product Description
Seatbeltplanet.com's™ 1977-1984 Cadillac Sedan Deville, Driver & Passenger Seat Belt Kit. 3 Point Retractable Lap & Shoulder Seat Belt Kit with All Metal Push Button Buckle
- Retractable 3 Point Lap & Shoulder Belt
- Converts Existing Dual Retractor System to Modern Single Retractor System
- All Metal Push Button Buckle
- Driver & Passenger Seating Position
- Hardware Included
The Seatbelt Planet 1977-1984 Cadillac Sedan DeVille, Driver & Passenger Seat Belt Kit, sold by Vintage Car Radio, restores reliable three-point restraint to the front seats of Cadillac’s full-size four-door luxury sedan.
By the late 1970s the Sedan DeVille had become the practical flagship of the Cadillac range. The four-door body and spacious interior made it the natural choice for owners who regularly carried passengers, whether for family use, formal occasions or longer trips. The cabin was arranged for comfort, with an upright seating position and a quiet, composed ride that suited highway travel. Over the years the original front belts have typically suffered the same fate seen in many cars of this age: webbing that has weakened and discolored, buckles that no longer latch cleanly, or complete removal during earlier interior work.
Seatbelt Planet’s kit replaces both front positions with a matched pair of 3-point belts made for the 1977-1984 Sedan DeVille. The webbing is heavy-duty, UV-resistant polyester that maintains its strength and appearance, offered in colors that can be coordinated with the car’s interior. The buckles are metal with a chrome finish and a positive, mechanical action. The accompanying hardware is designed to integrate neatly with the existing cabin rather than stand out.
These belts are produced to satisfy the performance requirements of FMVSS 209, covering tensile strength, limited elongation, abrasion resistance and buckle operation. The adjustment range accommodates a variety of occupants while keeping the natural, upright seating position of the DeVille.
The installation is intended to use the car’s original floor mounting points. All required fasteners come with the kit. Most cars need only modest preparation. Critical point: follow only the torque figures and sequence given in the instructions supplied with the kit. Correct tightening is necessary for the belts to function as intended.
Drivers who continue to use their Sedan DeVille for everyday journeys or longer runs will notice the difference. The front seats gain proper three-point protection without any change to the car’s quiet character or traditional luxury feel.
Vintage Car Radio provides the full Seatbelt Planet kit along with the appropriate hardware and basic guidance, so the work remains manageable for both professional installers and experienced owners.
The finished result is a quiet but worthwhile improvement. The Sedan DeVille retains every quality that defines it as a full-size Cadillac; the front seats are simply returned to a dependable standard of restraint. Order from Vintage Car Radio and bring the safety equipment in line with the rest of this classic luxury sedan.
Questions About the 1977-1984 Cadillac Sedan Deville, Driver & Passenger Seat Belt Kit
Is this made for the 1977-1984 Cadillac Sedan Deville?
Yes. This listing is the 1977-1984 Cadillac Sedan Deville, Driver & Passenger Seat Belt Kit.
Is this 1977-1984 Cadillac Sedan Deville belt set built to safety standards?
According to Seatbelt Planet, the belts for this 1977-1984 Cadillac Sedan Deville application meet or exceed Federal Motor Vehicle Safety Standards 209 and 302.
How many belt colors can I choose from?
You can pick from 52 colors, such as Chestnut, Sunset-Orange, Blue, Purple, and Glacier-Blue.
1977-1984 Cadillac Sedan Deville, Driver & Passenger Seat Belt Kit specifications
- Seatbelt Planet aftermarket seat belt / restraint product (application per listing title)
- Vehicle application from listing: 1977-1984 Cadillac Sedan Deville, Driver & Passenger
- Kit listing — see overview for which seating positions / belt count are included
- Tested and certified to meet FMVSS 209 and FMVSS 302 (certification tag on belts)
- Sold as aftermarket replacement — confirm buckle style, retractable vs fixed, and seat type before order
- Complete belts are preferred; mixing buckle/tongue brands is not recommended (components are designed to work together)
- 1-year manufacturer warranty for component issues from ship date (excludes abuse, accident damage, or disassembly)
- 90-day satisfaction guarantee per Seatbelt Planet (installed returns may incur restocking fee)
Installation Tips — 1977-1984 Cadillac Sedan Deville, Driver & Passenger Seat Belt Kit
- Confirm this listing matches your vehicle (1977-1984 Cadillac Sedan Deville, Driver & Passenger), seat type (bench vs bucket), and buckle/retractor style before installing.
- Inspect mounting points for solid metal structure. Seatbelt Planet products are aftermarket — fabrication or adapters may be required on some vehicles.
- Use appropriate grade hardware. Some listings sell mounting hardware separately.
- Install a complete belt assembly when possible; do not mix unmatched buckle and tongue brands.
- After install, verify full extension, retraction (if applicable), and latching before driving.
- If unsure, use a professional installer. Improper installation can cause serious injury.
Selection help: Seatbelt Planet FAQ / guides at seatbeltplanet.com/faq.html · phone 405-736-0088.
Vintage Car Radio does not offer installation.
1977-1984 Cadillac Sedan Deville, Driver & Passenger Seat Belt Kit manuals
- Seatbelt Planet FAQ (FMVSS, warranty, returns)
- Seatbelt Planet common questions / selection help
- Use any instruction sheet packed with your order for model-specific steps
Manufacturer: Seatbelt Planet · 405-736-0088
One-Year Seatbelt Planet Warranty
Per Seatbelt Planet, seat belts are covered under a one-year manufacturer warranty for component issues from the date shipped. Warranty returns are not accepted if there has been obvious abuse, the belt was involved in an accident, or the belt has been disassembled / components removed.
Seatbelt Planet also states a 90-day satisfaction guarantee; installed returns may be subject to a restocking fee. RMA required — contact Seatbelt Planet or Vintage Car Radio at 844-802-4499 / 574-226-6676.
Vintage Car Radio does not install seat belts.
FAQ — 1977-1984 Cadillac Sedan Deville, Driver & Passenger Seat Belt Kit
Are these FMVSS / DOT approved?
Seatbelt Planet states belts are tested and certified to FMVSS 209 and 302; the certification tag is on the belt.
Can I replace only one side?
Seatbelt Planet recommends installing a complete belt — buckle and tongue are designed to work together.
Will this fit 1977-1984 Cadillac Sedan Deville, Driver & Passenger?
Match the years, make/model, and seat position in the title. Call Seatbelt Planet at 405-736-0088 if you need a custom belt.
Do you install?
No.
Need help?
844-802-4499 / 574-226-6676, or Seatbelt Planet 405-736-0088.
Specs
Installation Tips
Manuals
Warranty
One-Year Seatbelt Planet Warranty
Per Seatbelt Planet, seat belts are covered under a one-year manufacturer warranty for component issues from the date shipped. Warranty returns are not accepted if there has been obvious abuse, the belt was involved in an accident, or the belt has been disassembled / components removed.
Seatbelt Planet also states a 90-day satisfaction guarantee; installed returns may be subject to a restocking fee. RMA required — contact Seatbelt Planet or Vintage Car Radio at 844-802-4499 / 574-226-6676.
Vintage Car Radio does not install seat belts.