U73 ✓ Factory-verified

Buick · Regular Production Option

Antenna, fixed, radio

Years 1987, 2004–07 Models 3 Factory citations 4

Query this via API →

Also described as Antenna, fixed mast

Also documented for ChevroletGMCOldsmobilePontiac

Documented applications

Rainier — GMT360 (2004–2007) →

• 2004–2007 ✓ Factory-verified
  ⛭ GM factory document — 2004 buick rainier 2wd rpo code list, p.1.

  ⛭ GM factory document — 2007 buick rainier rpo code list, p.1.

Regal — G-body (1983–1987) →

• 1987 ● Confirmed

  standard; gnttype.org's 1987 option sheet

Rendezvous — U-body / GMT257 (2002–2007) →

• 2006–2007 ✓ Factory-verified
  ⛭ GM factory document — 2006 buick rendezvous awd rpo code list, p.1.

  ⛭ GM factory document — 2007 buick rendezvous fwd rpo code list, p.1.

This page aggregates every documented appearance of U73 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.