Shop 2003 Buick Regal GS Aftermarket Car Parts

Discover our selection of aftermarket car parts across multiple categories. From wheels and tires to suspension, performance upgrades, and exterior and interior enhancements, find everything you need to take your 2003 Buick Regal GS to the next level.

Wheels & Tires for a 2003 Buick Regal GS

Suspension Components & Accessories for a 2003 Buick Regal GS

Performance Parts for a 2003 Buick Regal GS

Interior Parts for a 2003 Buick Regal GS

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Information about the 2003 Buick Regal GS

What is the Bolt Pattern (PCD) for a 2003 Buick Regal GS?

5x115

What is the Center Bore / Hub Bore on a 2003 Buick Regal GS?

70.3mm

Does the 2003 Buick Regal GS use Lug Nuts or Lug Bolts?

Lug Nuts

What is the Thread Size on a 2003 Buick Regal GS?

M12x1.5

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