TRQ Ignition Coil and Spark Plug Kit 17 Piece Iridium Spark Plugs Compatible with 2004-2005 Cadillac CTS

17 Piece Performance Performance Ignition KitKit Includes(1) Performance Spark Plug Wire Set(8) Ignition Coils(8) Spark PlugsFitmentCadillac CTS 2004-05 - V8 5.7LProduct AttributesGrade Type: PerformanceQuantity: 17 PieceIgnition Coil Color: BlackSpark Plug Type: IridiumProduct Line: PerformanceIgnition Coil Type: PerformanceProduct Features Matched TRQ Kit: Fit, lab, and road tested for peak performance Application Specific Design: No modifications necessary Heat Range and Life Cycle Tested: Exact match to stock specifications Complete repair to restore your engine to like-new conditionsReference Numbers125564501255894835-77873-HP441-10441-11041-1624111050073509052-157353255C1078610-02819673-7105920-1021ASPXP5245C-639C1144CLS1260D580E247E3.54GN10374IC334IC334SBIT16TTQSP4SP1020UF-192UF192XP5245

• Kit Includes: 1 Performance Spark Plug Wire Set; 8 Ignition Coils; 8 Spark Plugs
• Only fits vehicles with original SQUARE STYLE coils.
• Reference Numbers: 12556450; 12558948; 35-77873-HP4; 41-104; 41-110; 41-162; 41110; 50073; 5090; 52-1573; 5325; 5C1078; 610-02819; 673-7105; 920-1021; ASPXP5245; C-639; C1144; CLS1260; D580; E247; E3.54; GN10374; IC334; IC334SB; IT16TT; QSP4; SP1020
• YOUR TRUSTED DIY VIDEO SOURCE: TRQ offers the largest catalog of DIY videos for replacement parts, making installation easier and repairs more accessible. Our mission is to help you "View Before You Do," with hundreds of new videos added weekly.
• TRUST & COMPATIBILITY: For over 25 years, TRQ has been the premium choice for direct-fit replacement parts. Confirm fitment with the Amazon Garage "confirmed fit" feature and review our full compatibility chart below before purchase.
• EASE OF INSTALLATION: Save time and effort with pre-assembled components designed as direct replacements for the original equipment, ensuring precise fit and eliminating the need for modifications.