Ignition Coil and Plug 6-Pack Kit for 2002-2005 GMC Envoy 4.2L UF303 5019
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Service a six-cylinder ignition system with six coils and six replacement spark plugs.
Compatibility and Application
2002-2005 GMC Envoy/Envoy XL and Chevrolet Trailblazer 4.2L with matching UF303 coils. Related four- and five-cylinder applications require fewer components; verify plug specification for the engine.
Product Details
- Six ignition coils and six spark plugs
- Three-terminal coils; 12V
- Coil references: UF303 and 12570616
- Source plug references: 5019 and LTR5GP
Compare the original part, dimensions and mounting points before ordering. Professional installation is recommended. The supplier calls the plugs iridium, but 5019/LTR5GP identifies a platinum plug specification. Plug metallurgy is not guaranteed by this listing; match the supplied plug marking and engine requirements before installation.
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