✔Compatible with: For Chevy: 02-06 Avalanche 1500丨03-07 Express 1500/2500/3500丨99-06 Silverado 1500/2500丨01-07 Silverado 1500 HD丨99-04 Silverado 2500丨01-6 Silverado 2500 HD丨01-06 Silverado 3500丨00-06 Suburban 1500/2500丨00-06 Tahoe. For GMC: 03-07 Savana 1500/2500/3500丨99-06 Sierra 1500/1500 HD丨03-07 Sierra 2500丨01-07 Sierra 2500 HD丨03-06 Sierra 3500丨00-06 Yukon丨00-06 Yukon XL 1500. For 2002-2006 Cadillac Escalade 6.0L. For 2003-2006 Hummer H2 6.0L. ✔Excellent Function: A faulty spark plug may result in vehicle idling and shaking, accelerates weakly. Every component either matches or improves on the OE design to ensure fast and easy installation with superior performance and reliability, we provide buckles to prevent spark plug wires from getting tangled and make it easy for you to organize! ✔High-quality: 41962 spark plug made of iridium electrode and unique ceramic, have a much longer working life, can work 100000 kilometers, consistent and stable spark, vehicles can speed up in a short time. 748UU spark plug wires made of premium silicone rubber, highly temperature resistant and highly insulating, which can better prevent spark plug wire leakage, and the electrode temperaturemaximizes durability and stain resistance. ✔OE# UF262 + 41962 + 748UU. Replace# C1251, D585, 8125731900, 610-02839, GN10119, 5C1082, E254, E254P, 52-1647, IC413, 10457730, 6737101, 19005218, 8-10457-730-0, 8104577300, 12563293, CUF262, 72909002614, 190005218, B045HE, BS-C1251, B045,12192195, 9748GG, 748GG, 12622553, 88862397, 12656210, XS10388, 12192192, 7873, 12192133, 88894393, 7874, 748EE, 09017, 748UU, 748BB. Package included: UF262 Ignition Coils Pack x8, 748UU Spark Plug Wires x8, 41962 Iridium Spark Plug x8, Wires Buckle x6. Not included instruction manual, easy to install. ✔After-Sales Service: We offer 24 hours customer service and 1 year product service, If you are encounter product installation, product quality and other problems, please feel free to contact us.