Seat belt replacement cost nissan. Normally, the largest costs involved in replacing a seat belt include the cost of the part and the cost of labor. Both of these heavily depend on the vehicle you have. We understand that new Nissan seat belts cost hundreds of dollars and replacement seat belts can add up to thousands, that is not an excuse for safety. dual-stage seat belts with 2 gas charges and 2 connectors are $100/each to repair. These seat belts will normally last as long as you own your Nissan, but replacement is simple if the need arises, only requiring removal of a few large mounting bolts. This quick and efficient process eliminates the need for additional programming or setup. com. Compare Nissan Seatbelt Repairs prices from local garages with FixMyCar. We’ll return your fully repaired seat belt to you, ready for reinstallation. Nissan seat belts come in 2 styles: single-stage seat belts that are equipped with 1 gas charge and 1 connector, and are $65/each to repair.