- 2019, 2025–2026 Factory-verified
2LT, 3LT, RS: O; Premier: O (2025 only)
Also described as LPO, all-weather floor liners, front and rearLPO, floor liners, contouredLPO, all-weather floor linerLPO, All-weather floor liners, contouredLPO, All-weather floor linersLPO, all-weather floor liners, first and second rows, dealer-installedLPO, All-weather floor linerLPO, all-weather floor liners, first and second rowsLPO, All-weather floor liners, front and rearLPO, all-weather floor liners, first and second rowLPO, All-weather floor liners, front and rear, Jet Black
Also documented for BuickCadillacGMC
Documented applications
- 2025–2027 Factory-verified
- 2023 Factory-verified
- 2027 Factory-verified
LT, RS: O; included with PCU; not available with VAV
- 2016–2019, 2021–2022 Factory-verified
in PDN and PDB; the upfitter lists name it contoured floor liner; 2018 from GM's 2018 Colorado order guide (PDF); 2021 from the upfitter list GM files for 2021 and 2022
- 2023–2027 Factory-verified
O on all trims
- 2021–2027 Factory-verified
- 2019 Factory-verified
dealer-installed; 2019: sedan O or ADI: 1SB, 1SD, 1SF; hatch O or ADI: 1SB, 1SD, 1SF
- 2025–2027 Factory-verified
the 2025 list reads "LPO, All-weather floor liner"; 2026: A/D in all trims (included with and only available with PCU; not available with PCR or VAV); 2027: A/D in all trims (included with and only available with PCU)
- 2019 Factory-verified
- 2025–2027 Factory-verified
O on all trims; included with PDK; 2026 and 2027: includes RIS and is not available with VAV; 2027: replaces B34 and B35; the Terrain guides print front
- 2025 Factory-verified
all trims: O (dealer-installed); included with PCH; not available with PDH or VAV; replaces the standard floor mats
- 2025–2027 Factory-verified
2025–2027: A/D in all groups; 2026: included and only available with USA
- 2027 Factory-verified
- 2017–2019 Factory-verified
dealer-installed; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide
- 2023, 2025–2027 Factory-verified
only in: 2500 HD, 3500 HD, 3500 HD chassis cab
- 2020, 2022–2026 Factory-verified
- 2022–2023, 2025–2027 Factory-verified
2027: LS, LT, RST, Z71, High Country: O
- 2022–2023, 2025–2027 Factory-verified
2027: FL, LS, LT, RST, Z71, High Country: O
- 2025–2027 Factory-verified
all trims: O; not available with VAV
- 2025–2027 Factory-verified
O on all trims; included with and only available with PDF (and PDZ)
- 2025–2026 Factory-verified
all trims: O; not available with VAV; included with the Interior Protection Package (PDH); replaces the standard floor mats
This page aggregates every documented appearance of RIA in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.