GM Service Manual Online
For 1990-2009 cars only

GM SPO Group Numbers

Application

GM SPO Group Number

Folding Top (Front Half)

16.585

Folding Top (Rear Half)

16.585

Folding Top #1 Bow

16.585

Folding Top #3 Bow

16.585

Folding Top Bow #4 Garnish Molding (Side Body Quarter)

16.585

Folding Top Cover (Side Body Joint)

16.585

Folding Top Front Latch

16.585

Folding Top Front Seal

16.585

Folding Top Front Weatherstrip

16.585

Folding Top Rear Window

16.585

Folding Top Rear Window Lower Frame Reinforcement

16.585

Folding Top Side Rail Garnish Molding

16.585

Front Folding Top Weatherstrip Retainer

16.585

Quarter Window (Folding Top)

16.460