Suspension, rear, Z-link compound crank with Buick Tuned Watts

Years 2012, 2016–19, 2025–26 Models 3 Factory citations 10

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Also described as Suspension, rear, compound crank with Z-linkSuspension, rear, Watts Link System

Also documented for Chevrolet

Documented applications

Cascada — Delta II (2016–2019)

2016–2019 Factory-verified

all trims: S

GM factory document — 2016 buick cascada order guide copy gm authority, p.4, p.10.
GM factory document — 2017 buick cascada order guide copy gm authority, p.4, p.15.
GM factory document — 2018 buick cascada order guide copy gm authority, p.4, p.16.
GM factory document — 2019 buick cascada order guide copy gm authority, p.4, p.16.

Envista — VSS-F (2024–2027)

2025–2026 Factory-verified

Sport Touring: O; Avenir: S; requires 19" black wheels (RVB); included with Studio Series (WFP) in 2026

GM factory document — 2025 buick envista fleet order guide rpo codes, p.1.
GM factory document — 2025 buick envista fleet order guide, p.6.
GM factory document — 2026 buick envista fleet order guide rpo codes, p.1.
GM factory document — 2026 buick envista fleet order guide, p.6.

Verano — Delta II (2012–2017)

2012, 2016 Factory-verified

2016: all trims: S; 2012: GM 2012 ordering guide, all trims: S

GM factory document — 2016 buick verano fleet order guide wayback, p.4.
GM factory document — 2012 buick verano online ordering guide copy gm authority, p.4.

This page aggregates every documented appearance of GNG in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.