OEM-Grade Rear Door Stay (Check Strap) Replacement

Keep your sedan’s rear door motion smooth, safe, and controlled with a high-quality door stay. This small but vital component manages how far the door opens and holds it at set positions. It protects hinges, paint, and nearby body panels, while giving passengers a stable, predictable feel. Ideal as a direct-fit replacement for factory hardware, it restores the precise door detent you expect from a well-built Nissan.

Why this part is needed

Without a healthy door check, the rear door can swing too fast or too far, risking chipped edges, bent hinges, and strained wiring. Replacing a worn unit prevents costly body damage and improves day-to-day convenience.

How it works

A hardened steel arm slides through a bracket with bushings and spring-loaded detents. Light grease reduces friction as the arm locks into staged “stops,” holding the door at partial or full-open positions, even on slight slopes.

What happens if it’s broken

• Door won’t hold open; slams in wind or on inclines
• Clicks, pops, or binding when opening/closing
• Paint chips at door edge; hinge and pillar stress
• Possible wiring and latch misalignment over time

Install notes

Simple bolt-on swap: remove trim, unbolt the strap (typically two to the body, one to the door),transfer hardware, apply light grease, and torque to spec. No coding required.

Compatibility

• Q40/G Sedan
• G37 Sedan