240sx Manual Seat Belt Conversion Apr 2026
Remove the front seats, rear seat bottom, door sills, console, A-pillar/B-pillar plastics, and headliner.
Unplug the automatic belt chassis harness near the dashboard and at the motor. 240Sx Manual Seat Belt Conversion
Once installed, fully extend the manual belts and yank them hard to ensure the retractor locks correctly. Remove the front seats, rear seat bottom, door
S14 manual seat belts are commonly used as a cheaper alternative for S13 owners, but require trimming existing plastic panels. Remove the front seats
Bolt the buckle receiver to the transmission tunnel/center console area.
While parts were once cheap, proper manual seat belt kits can now cost upwards of $800 USD, though using S14 belts is more economical.
The specific and how they differ between model years.