15 August 2026 - Part numbers

2.7L Turbo High-Output I-4 (also called TurboMax)

GM 2.7L TurboMax (Turbo High-Output I-4) engine (L3B)

OEM spark plugs are Iridium types, specifically GM Part #12688094

performance upgrades often suggesting NGK Ruthenium HX plugs for better heat management in turbocharged applications, gapped around .028"

MAR 12 2026 - Wiper Nozzles non functional

 Here are the part numbers:

GM Genuine Parts Windshield Washer Nozzle 
95429754

ACDelco
Part #
95429754 

 

Ordered a set from Amazon and installed over the weekend and they work fine.