Ignition Systems

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    • (0 reviews)
      # 1020926013
      GMC W-Series 6.0L 2004 High Temperature Spark Plug Wire Set by Granatelli Motor Sports®. Granatelli O ohm wires are patent protected by United States Patent number 7,185,622. This patent covers our unique method of producing ignition...
      Direct OEM replacement, exceeds OEM specifications, OBD-II computer safeIncrease power to the spark plug up to 400% over stock
      $258.40
    • (0 reviews)
      # mpn2870415980
      GMC W-Series 6.0L With Square Coil Stamped 12558693 (10.5 in. leads) 2004 Prestolite ProConnect™ Spark Plug Wire Set by Accel®. ProConnect ignition wire sets meet or exceed OE/OES specifications, performance and quality. These cables...
      Carbon impregnated fiberglass coreFiberglass braid for added strength
      $38.12
    • (0 reviews)
      # 1020792070
      GMC W-Series 6.0L 2004 High Temperature Spark Plug Wires by Granatelli Motor Sports®. Granatelli O ohm wires are patent protected by United States Patent number 7,185,622. This patent covers our unique method of producing ignition wires...
      Direct OEM replacement, exceeds OEM specifications, OBD-II computer safeIncrease power to the spark plug up to 400% over stock
      $220.40
    • (0 reviews)
      # mpn4499447025
      GMC W-Series 6.0L 2004 Coil Extension Harness by PSI®. Extensions are 36" long and ideal for relocating coils on the firewall when using custom valve covers on your engine. All extensions feature GM Delphi components and high temp TXL...
      Designed for ultra high efficiencyEasy out-of-the-car access for an ancillary wiring
      $45.00
    • (0 reviews)
      # 906647348
      GMC W-Series 6.0L 2004 Coil Sub-Harness by PSI®.
      Designed for ultra high efficiencyEasy out-of-the-car access for an ancillary wiring
      $45.00
    • (0 reviews)
      # 987603390
      GMC W-Series 6.0L 2004, Smoothie™ Horizontal Wire Loom Kit by Made 4 You®. Lays the wires out parallel to the valve cover. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a...
      Unsurpassed QualityPrecision molded 6-6 Zytel Nylon will not melt, fade, distort, stain, or discolor, under normal use
      +1
      $34.95 - $41.07
    • (0 reviews)
      # 987604961
      GMC W-Series 6.0L 2004, Smoothie™ Vertical Wire Loom Kit by Made 4 You®. Made 4 You most popular style for mounting on valve covers, allowing the separators to be positioned vertically instead of horizontally. Adjustable to allow...
      Unsurpassed QualityPrecision molded 6-6 Zytel Nylon will not melt, fade, distort, stain, or discolor, under normal use
      +1
      $34.95 - $41.07
    • (0 reviews)
      # mpn4254009282
      GMC W-Series 6.0L With Flame-Thrower HEI Distributor 2004, Wire Harness and Capacitor by PerTronix®. From replacement wiring harness to adjustable vacuum advance canisters, lockout kits and mechanical advance kits, they have the parts...
      Digital performance solutions give you more power and more features in a smaller packageInnovative technology for superior operation and rugged dependability under harsh conditions
      $24.58
    • (0 reviews)
      # mpn4515293224
      GMC W-Series 2004, Distributor Gasket by AllStar Performance®, 1 Piece. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship....
      Precise manufacturing and high-grade materialsExpertly Crafted from the highest grade materials
      $1.59
    • (1 review)
      # mpn4486063143
      GMC W-Series 6.0L 2004, Professional™ Double Platinum Spark Plug by ACDelco®. Designed for today’s most popular autos, as well as several marine applications, ACDelco’s Rapidfire® Platinum Spark Plugs fit engines using...
      Ribless insulator that improves the plug-to-boot sealTapered center wire electrode with a platinum pad reduces the firing diameter and helps improve the firing efficiency by concentrating and directing energy needed to fire the plug with less voltage
      $7.06
    • (0 reviews)
      # mpn4486063138
      GMC W-Series 6.0L 2004, Professional™ Rapidfire Platinum Spark Plug by ACDelco®. Designed for today’s most popular autos, as well as several marine applications, ACDelco’s Rapidfire® Platinum Spark Plugs fit engines using...
      Ribless insulator that improves the plug-to-boot sealTapered center wire electrode with a platinum pad reduces the firing diameter and helps improve the firing efficiency by concentrating and directing energy needed to fire the plug with less voltage
      $4.16
    • (0 reviews)
      # mpn2341128
      GMC W-Series 6.0L 2004, Double Platinum Spark Plug by Champion®. With platinum fine wire welded onto the nickel alloy center electrode and a platinum pad welded to the ground electrode, these products provide long-lasting service life...
      Double Platinum Power - Premium Spark Plug. More Powerful Performance.Platinum center and ground electrode for greater wear resistance
      $4.66
    • (0 reviews)
      # mpn4476749941
      GMC W-Series 6.0L 2004, Iridium Spark Plug by Champion®. As the leaders in precious metal technologies as well as F.I.S.S resistor technology and MLR™ technology, Champion spark plugs provide enhanced ignition and longer life.
      Champion Iridium - Maximum Performance. Premium Spark PlugIridium center electrode delivers maximum life
      $5.13
    • (0 reviews)
      # mpn2326798
      GMC W-Series 6.0L 2004, Nickel Spark Plug by Champion®. Designed and manufactured to meet or exceed OE standards and specifications, these spark plugs by Champion ensure fast engine start-up and smooth acceleration. The products are...
      Copper Plus - Dependable Performance.Copper core center electrode allows for accurate control of heat range for longer life
      $1.50
    • (0 reviews)
      # mpn2341107
      GMC W-Series 6.0L 2004, Platinum Power™ Spark Plug by Champion®. With a platinum tip welded to a nickel alloy center electrode, these spark plugs provide superior wear characteristics. Combining a thin-wire center electrode with a...
      Platinum Power- Premium Spark Plug. Powerful Performance.Platinum center electrode for long life
      $2.18
    • (0 reviews)
      # mpn1404088
      GMC W3500 Forward / W4500 Forward 2004, Copper Spark Plug by Motorcraft®. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but...
      Direct OEM replacementRecommended by Ford Motor Company
      $1.65
    • (0 reviews)
      # 773621022
      GMC W-Series 6.0L 2004, Pro Series™ Spark Plug Wire Set by Standard®. Designed utilizing the latest technology, this product by Standard features premium quality and will perform better than advertised. Perfect for your vehicle and...
      The design of this set strictly follows the original specifications set by OEManufactured using OE-Style spark plug and distributor boots
      $23.50
    • (0 reviews)
      # 218620508
      GMC W-Series 6.0L 2004, Spark Plug Wire Set by Standard®. Designed utilizing the latest technology, this product by Standard features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $24.63 - $28.46
    • (0 reviews)
      # mpn4256315620
      GMC W-Series 2004, Ignition Coil by WAI Global®. Designed utilizing the latest technology, this product by WAI Global features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $18.27
    • (0 reviews)
      # mpn4516962126
      GMC W-Series 6.0L 2004 High Performance Spark Plug Wire Set by Granatelli Motor Sports®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in...
      High quality at an affordable priceExpertly made from premium materials
      $198.55
    • (0 reviews)
      # mpn4516962098
      GMC W-Series 6.0L 2004 Long High Temperature Spark Plug Wires by Granatelli Motor Sports®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in...
      High quality at an affordable priceExpertly made from premium materials
      $278.35
    • (0 reviews)
      # 987603543
      Smoothie™ Bowtie Wire Loom Kit by Made 4 You®. For Center Bolt Valve Covers. Wire Diameter: 7-8 mm. Designed for the true Chevy enthusiast! Licensed by General Motors, Made 4 You kit provides a unique option for supporting and...
      Unsurpassed QualityPrecision molded 6-6 Zytel Nylon will not melt, fade, distort, stain, or discolor, under normal use
      $43.34
    • (0 reviews)
      # mpn466427789
      GMC W-Series 6.0L 2004, KV85 Competition 8.5 mm Spark Plug Wire Set by Magnecor®. 10 - year warranty. Originally designed for racing and high-performance engines using high-output and racing ignitions, turbocharging and supercharging....
      Expertly crafted from the highest grade materialsMade with maximum safety and reliability in mind
      $131.77
    • (0 reviews)
      # mpn4515299650
      GMC W-Series 6.0L 2004, Smoothie™ Stac-Pak™ Wire Loom Kit by Made 4 You®. Wire Diameter: 7-8 mm. Color: Black. Smoothie Separator Kits for most V-8's. Designed for tight clearances and for vehicles running magnetos or HEI systems....
      Unsurpassed QualityPrecision molded 6-6 Zytel Nylon will not melt, fade, distort, stain, or discolor, under normal use
      $34.95


    Guides & Articles

    Useful articles fast to read and guides easy to understand written by mechanics and car enthusiasts to turn your shopping experience with CARiD into a pleasure

    • Performance Ignition Systems
      November 26, 2014
      The Benefits of a Performance Ignition Distributor
      Since their inception at the start of the 20th century, motor vehicles with gasoline burning engines have needed a precise way to deliver an electrical spark to each...
      by Timothy Zahl
    • Performance Engine Parts
      July 03, 2014
      Performing a Basic Engine Tune Up
      This article will guide you through a generic tune up on most any car or light duty gasoline-powered vehicle built within the last 20 years or so. We will presume that...
      by Timothy Zahl
    • Ignition Parts
      June 28, 2014
      Understanding The Different Types Of Spark Plugs
      Since the dawn of the automobile, spark plugs have been an integral part of gasoline engines because they conduct the electrical energy from a vehicle’s ignition...
      by Timothy Zahl

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