GM Iridium Spark Plug 12622561 41-109 Buick GL8 LaCrosse Enclave Camaro

Specifically designed for Buick GL8 after 2000, LaCrosse, Enclave, Enclave Avenir, and Chevrolet Camaro among General Motors family, compatible with 2.0T to 3.6L engines. This iridium spark plug uses a central iridium electrode, providing stable ignition performance and 6k ohm resistance to suppress EMI, improving combustion efficiency and extending service life. OEM numbers 12622561 and 41-109 for cross-checking with inventory systems. Replacement difficulty is medium; install with a torque wrench to standard torque to avoid thread damage. For B-end buyers, this model has strong compatibility and is suitable for bulk stocking, especially for GM vehicle maintenance needs.