Walker Products 924-6012 spark plug wire set for the 1999-2006 Chevrolet Silverado 1500 V8 4.8L or 5.3L, the 2003-2007 Silverado 1500 V8 6.0L and other vehicles carries high-voltage current from the ignition coil or distributor to the spark plugs. That current ignites the fuel-air mixture in each cylinder, and the ThunderCore PRO set is built to exceed Original Equipment specifications and test requirements.
- ThunderCore PRO wire set with SAE J2031 Class E rated, wire-wound, multi-insulated cable
- 350-ohm Kevlar core, ferrite impregnated, with stainless steel wire MAG wound
- 8.8 mm wire for increased spark energy delivery, rated at 600°F
- Corrosion-resistant snap lock terminals that click into place for installation and removal
- Upgraded ceramic boots withstand up to 2000°F and suit high performance headers or turbo manifolds
Quick facts
- Part: Walker Products 924-6012 spark plug wire set
- Fits: 1999-2006 Chevrolet Silverado 1500 V8 4.8L or 5.3L, the 2003-2007 Silverado 1500 V8 6.0L and other vehicles
- Material: Ceramic (insulation)
- Condition: New
A worn wire set can show up as a misfire, a rough idle or hard starting, and cracked or burned boots are visible with the engine off and cool. Before you replace the wire set, rule out worn spark plugs and a failing ignition coil, which can also produce a misfire.
Fits
It is also a direct-fit replacement for the 1999-2006 GMC Sierra 1500 V8 4.8L or 5.3L and the 2002-2007 Sierra 1500 V8 6.0L, and a vehicle takes one set. If your vehicle is not named here, open the "Vehicles it fits" section and check your exact model and engine.
Specifications
Fit and size
- Quantity per vehicle: 1 set
- Outside diameter: 8.8 mm
- Distributor/coil end boot: 135 degrees
Build and materials
- Type: spark plug wire set
- Insulation material: ceramic
- Core: 350-ohm Kevlar
- Cable rating: SAE J2031 Class E
- Operating temperature resistance: exceeds 450°F
- Condition: new
- Country of origin: United States
In the box
One spark plug wire set with high-temperature boots, terminals, tips and tubes, plus dielectric grease.
Product information is for general reference and may contain errors. See our Disclaimer.
Frequently Asked Questions
Does the Walker Products 924-6012 fit the 1999-2006 Chevrolet Silverado 1500 V8 4.8L or 5.3L?
Yes. Walker Products 924-6012 is listed for the 1999-2006 Chevrolet Silverado 1500 with the V8 4.8L or 5.3L and the 2003-2007 Silverado 1500 with the V8 6.0L. Other vehicles are in the "Vehicles it fits" section.
Does this spark plug wire set come with dielectric grease?
Yes. The set comes with dielectric grease, along with high-temperature boots, terminals, tips and tubes.
What is the core of the ThunderCore PRO 924-6012 spark plug wire set made of?
Walker Products 924-6012 has a 350-ohm Kevlar core, ferrite impregnated, wound with stainless steel wire. The cable is SAE J2031 Class E rated and measures 8.8 mm in outside diameter.
Can a cracked boot on a spark plug wire set cause a misfire?
Yes, a cracked or burned boot or a damaged wire can contribute to a misfire. Inspect the boots with the engine off and cool, and have a shop test the wires if you are unsure.
How much heat can the ceramic boots on the 924-6012 take?
The upgraded ceramic boots withstand temperatures up to 2000°F and suit vehicles with high performance headers or turbo manifolds. The wire itself is rated at 600°F.
