Granatelli
Granatelli Blue 0-Ohm Spark Plug Wires for 2002-2007 GM 4.2L – 26-1798S
Granatelli Blue 0-Ohm Spark Plug Wires for 2002-2007 GM 4.2L – 26-1798S
Part number: 26-1798S
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- Tracking emailed when it ships
- Free fitment check before you order
Listed for: 2002-2007 GM 4.2L – 26-1798SFitment notes & questions
Granatelli Blue 0-Ohm Spark Plug Wires, with the part number and details listed below. Worn plugs, cracked wires and weak coils cause misfires, rough running and poor economy.
Quick facts
- Brand: Granatelli
- Part type: Ignition part
- Model years: 2002–2007
- Engine: 4.2L
- Part number: 26-1798S
Specifications
- Product Type: 0 Ohm High Performance Spark Plug Wires
- Resistance: 0 Ohm
- Wire Diameter: 8MM
- Boot Material: High-Temperature Silicone
- Connector: Stainless Steel Snap-Lock
- Interference Protection: RFI / EMI Suppression
- Temperature Rating: Up to 500°F
Listed fitment
- ENGINEERED FOR PERFORMANCE
- Maximum Spark Energy
- Noise Suppression
- High-Temperature Boots
- These Granatelli 0 Ohm ignition wires are designed for modern fuel-injected vehicles,
- GUIDE
- the select vehicles listed below equipped with the L6 4.2L engine.
- 2004–2005 GMC Envoy XUV L6 4.2L
- 2004–2007 Buick Rainier L6 4.2L
- 2003–2005 Chevrolet Trailblazer EXT L6 4.2L
- 2002–2006 GMC Envoy XL L6 4.2L
- 2002–2007 GMC Envoy L6 4.2L
- Product Specifications
- Ideal For
OE and interchange numbers
- 26-1798S
Tip: Set the spark plug gap to your engine spec and do not over-torque plugs in aluminum heads.

Before you order: GM 4.2L – 26-1798S ignition part fitment
Ignition parts create and deliver the spark that lights the fuel in each cylinder.
Fitment notes
- Listed for: 2002-2007 GM 4.2L – 26-1798S.
- Model years: 2002-2007. If your year sits at the edge of the range, check the details above.
- Engine: check the engine size listed against your vehicle's VIN or under-hood label.
- Specs, lead time and warranty come from Granatelli and can change. The details above this guide are the latest we have.
Not sure it fits? Message us your vehicle details and we'll double-check fitment before you buy.
Ask about fitmentPlan the whole job
- Plug wires or boots. Old wires and boots crack.
More for your car: Engine · All Spark Plugs · Batteries & electrical
Questions about GM 4.2L – 26-1798S ignition part
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Questions & answers
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