SIA ✓ Factory-verified

Chevrolet · Regular Production Option

LPO, wicker bill

Years 2015, 2017–19 Models 3 Factory citations 2

Query this via API →

Also described as LPO, spoiler extension

Documented applications

Camaro — Gen 5 Zeta (2010–2015) →

• 2015 ● Confirmed

  new for 2015 (GM Authority 2015 RPO changes)

Camaro — Gen 6 Alpha (2016–2024) →

• 2019 ✓ Factory-verified
  ⛭ GM factory document — 2019 chevrolet camaro fleet order guide wayback, p.5.

Corvette — C7 (2014–2019) →

• 2017–2019 ✓ Factory-verified

  only in: Stingray with Z51; all trims: O; 2019: from GM order-guide copies (Corvette Action Center, GM Authority)

  ⛭ GM factory document — 2017 chevrolet corvette fleet order guide wayback, p.9.

Related codes · mentioned in these notes

Z51

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