Ensure your vehicle's ignition system operates at peak performance with the ACDelco 9748QQ Spark Plug Wire Set. As a premium aftermarket replacement, these wires are crafted to effortlessly transfer high voltage from the distributor to the spark plugs, providing your engine with the dependable spark it requires. Designed using high-quality materials, including fiberglass reinforced latex graphite cores and silicone rubber insulation, these wires are tailored to fit specific vehicle models, such as Buick Rainier and Chevrolet Tahoe, ensuring seamless compatibility. Symptoms of failing spark plug wires include engine misfires, reduced fuel efficiency, and difficulty starting your vehicle. By replacing faulty wires with the ACDelco 9748QQ set, you'll restore optimal engine performance and efficiency. Perfect for both DIY enthusiasts and professionals, these wires offer the fit, form, and function you expect from ACDelco, ensuring a smooth installation and long-lasting reliability. Consider pairing this set with ACDelco spark plugs and ignition coils for a complete ignition system overhaul.

• Delivers high voltage pulses efficiently
• Fiberglass reinforced latex graphite core for durability
• Designed for specific fit on select vehicles
• Silicone rubber insulation for heat resistance
• Seamless snap-lock boot terminals
• Professional-grade replacement part

Boot Color:	Black
Core Material:	Fiberglass Reinforced Latex Graphite
Distributor Coil End Boot Degree:	45
Insulation Material:	Silicone Rubber
Maximum Wire Length (mm):	243
Noise Suppression Type:	Yes
Spark Plug End Boot Degree:	90
Universal Or Specific Fit:	Specific
Wire 1 Length:	10

• 2003-2007 Chevrolet Express 1500
• 2003-2007 Chevrolet Express 2500
• 2003-2007 Chevrolet Express 3500
• 2003-2004 Chevrolet SSR
• 2003-2007 GMC Savana 1500
• 2003-2007 GMC Savana 2500
• 2003-2007 GMC Savana 3500
• 2003-2004 Isuzu Ascender
• 2004 Buick Rainier
• 2008 Chevrolet Tahoe