Suspension system, front and rear, firm ride, handling

Years 1973–82, 1984–91, 1998–09 Models 9 Factory citations 11

Also described as Firm ride/handling suspensionHD suspension (Var. 2)Firm ride & handling suspensionGran Touring suspensionSuspension, Gran TouringSuspension system, front and rear, firm ride and handling

Also documented for Chevrolet GMC Oldsmobile Pontiac

Documented applications

Full-Size — LeSabre / Electra / Wildcat

1977–1982 Confirmed

Full-size

Regal / Century

1973–1977 Single-source

Century/Regal
1978–1982 Confirmed

Regal, Century to 1981

Century — A-body (1982–1996)

1984–1991 Factory-verified

Buick's 1985–1987 Regal option list calls F41 its Gran Touring suspension; the parts catalog dates it 1984–1991; shared A-body suspension code, also cited from the Chevrolet Celebrity kit for 1984, which calls it sport suspension

GM Heritage factory kit — 1984 Chevrolet Celebrity, p.41.

LeSabre — H-body (1992–1999)

1998–1999 Factory-verified

GM factory document — 1998 buick lesabre rpo code list, p.1.
GM factory document — 1999 buick lesabre rpo code list, p.1.

LeSabre — H-body (2000–2005)

2000–2005 Factory-verified

TriShield agrees on the meaning.

GM factory document — 2000 buick lesabre rpo code list, p.1.
GM factory document — 2005 buick lesabre rpo code list, p.1.

Lucerne — G-body (2006–2011)

2006–2009 Factory-verified

The 2006 and 2009 lists word it front and rear. TriShield agrees on the meaning.

GM factory document — 2006 buick lucerne rpo code list, p.1.
GM factory document — 2009 buick lucerne rpo code list, p.1.

Park Avenue — G-body (1997–2005)

1998–2005 Factory-verified

TriShield agrees on the meaning (firm ride handling suspension).

GM factory document — 1998 buick park avenue rpo code list, p.1.
GM factory document — 2005 buick park avenue rpo code list, p.1.

Regal — G-body (1983–1987)

1987 Factory-verified

not with F40, Y56 or WE2; gnttype.org's 1987 option sheet; the Monte Carlo kit calls it the sport suspension; shared G-body code, cited from the Monte Carlo kit

GM Heritage factory kit — 1987 Chevrolet Monte Carlo, p.40.

Skylark — N-body (1992–1998)

1998 Factory-verified

GM factory document — 1998 buick skylark rpo code list, p.1.

This page aggregates every documented appearance of F41 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.