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2005 GMC Ignitions & Electrical

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Summit Racing™ 86 Series 8mm 300 Ohm Ignition Wires

With Summit Racing branded all 100% silicone 8mm constructed wire, a 300ohm per foot wire wound EMI suppression core, high heat silicone boots and stainless steel and brass terminals, you get all the high end features a wire set can offer, without breaking the bank! The dual silicone High-Tear resistant jacketing with fiberglass matting, gives you the highest heat protection and superior terminal pull off values in the business! With our 300ohm per foot Wire-Wound magnetic suppression core, you can be sure of maximizing the voltage output of your ignition system, while maintaining high EMI resistance values. Stainless steel terminals with Posi-lock hardened clips and brass terminals are used for superior connection and consistent voltage delivery. Ultra High heat silicone spark plug boots provide superior radiant heat protection. High dielectric strength properties virtually eliminate voltage leakage and blow through. With all of these features built into our Summit Racing high-end 8mm sets, along with Made in the USA workmanship, you can be assured that installing one of our sets will give you the confidence and reliability you have come to expect from Summit Racing products.

4.51 out of 5 stars ( 1008 )

$49.99

$55.99

Summit Racing™ High-Output Ignition Coils

Our Summit™ high-output ignition coils give you additional volts of spark energy in a simple, direct replacement package. These coils mount in the stock location with no special mounting needed, but have a lower primary resistance, higher rpm capability, and greater output than stock. They're available in a variety of styles, both universal and application-specific, and can be ordered individually or in sets.

4.5 out of 5 stars ( 369 )

$41.99

$54.99

Summit Bucks

Delphi Ignition Coils

Delphi ignition coils will definitely spark a response! Precise spark timing offers increased fuel economy and faster crank-to-run. These coils provide accurate electrical energy to create a voltage potential at the spark plug—and that provides you with superior engine performance, better control over emissions, and fuel economy. You'll get the OE performance, durability, and electromagnetic capacity level that your vehicle requires with Delphi ignition coils. Order the model designed for your vehicle application.

4.64 out of 5 stars ( 78 )

$30.99

$47.99

ACDelco Replacement Throttle Position Sensors

ACDelco throttle position sensors electronically inform the powertrain control module (PCM) of the throttle valve angle. The PCM uses this input to regulate your fuel and ignition systems. These replacement sensors are available in dozens of models for fitment on thousands of vehicles spanning a half-century. For the proper fit and performance, order the ACDelco throttle position sensor recommended for your application.

4.84 out of 5 stars ( 19 )

$50.99

Summit Bucks

Delphi Camshaft Position Sensors

These Delphi camshaft position sensors feature a digital output design for maximum signal to noise ratio. They are not impacted by temperature changes and provide long-lasting sensor protection. These Delphi camshaft position sensors are also manufactured to meet or exceed OE requirements to ensure quality and long-lasting durability.

2.83 out of 5 stars ( 12 )

$24.99

$36.99

Dorman Engine Oil Pressure Sensors

Try Dorman engine oil pressure sensors for accurate engine oil pressure readings. These replacement sensors will help you to protect your vehicle from being driven at low oil pressure, to avoid costly engine repairs and help maintain performance.

4.1 out of 5 stars ( 10 )

$45.99

ACDelco GM Genuine Parts Engine Coolant Temperature Sensors

ACDelco GM Genuine Parts engine coolant sensors are a GM recommended replacement component for many vehicles on the road today. These original equipment engine coolant sensors are manufactured to fit your GM vehicle, providing you the same performance, durability, and service life you expect from General Motors.

4.72 out of 5 stars ( 68 )

$20.99

Denso Oxygen Sensors

Oxygen sensors, also known as Lambda sensors or O2 sensors, are among the most sensitive and critical components on your car's engine. They monitor the air/fuel mixture under idle, moderate acceleration, and cruise conditions. Oxygen sensors have a smaller range of limits in detecting and adjusting the difference from an optimum air/fuel ratio than the newer wide range air/fuel sensors (A/F sensors). Today's engines may use as many as four oxygen sensors to monitor exhaust gas oxygen content and catalytic converter efficiency. In order to perform these functions properly, Denso oxygen sensors adhere to strict OE standards within incredibly close tolerances. A malfunctioning or incorrectly calibrated oxygen sensor can hurt drivability and illuminate the check engine light, resulting in costly and time-consuming repairs. Denso First Time Fit oxygen sensors are designed to meet those tolerances and more. Key features and benefits of Denso Oxygen Sensors include: * Robotic laser welds * Porous PTFE filters block efficiency-robbing contaminants * Double-protection covers maintain proper temperature for quicker response times and protect ceramic elements from silicone and lead fouling * Rugged, watertight stainless steel housings resist corrosion and contamination * Aluminum oxide trap layers keep silicone and lead out, preventing damage to the platinum electrode * Refined zirconia elements improves sensor response * Superior design maximizes engine performance while reducing fuel consumption and harmful emissions * First Time Fit design delivers the right part the first time

4.62 out of 5 stars ( 102 )

$36.99

$53.99

Summit Bucks

Delphi Ignition Knock Sensors

Delphi ignition knock sensors maximize your engine's performance--regardless of fuel quality! Their knock sensors hear various knock frequencies under many operating conditions to detect shifts and provide an accurate signal to your engine control module. The sensors meet or exceed OE requirements and reduce potential damage to your internal engine components. Knock, knock-- who's there? Engine. Engine who? Engine gonna buy me a Delphi ignition knock sensor? Listen to your engine--choose Delphi.

4.38 out of 5 stars ( 29 )

$43.99

ACDelco GM Genuine Parts Oxygen Sensors

ACDelco GM Genuine Parts oxygen (O2) sensors are special feedback sensors on your vehicle's exhaust system and are GM-recommended replacements for your vehicle's original components. They measure the proportion of oxygen in exhaust gases, then using the measurement, the engine control module (ECM) can adjust the air/fuel ratio to near the optimal value of 14.7:1. At this ratio, engine performance, emissions, and fuel economy are all optimized. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Choose the O2 sensor designed for your vehicle.

4.83 out of 5 stars ( 107 )

$39.99

$41.99

Dorman Knock Sensor Wiring Harnesses

Dorman knock sensor wiring harnesses play a dual role in helping to monitor and protect your engine. They're manufactured from quality materials to ensure years of trouble-free performance. These OEM replacements are available for nearly 2,000 applications from the '90s and up.

4.85 out of 5 stars ( 26 )

$33.99

ACDelco Ignition Coil Mounting Brackets

ACDelco ignition coil mounting brackets are GM-recommended replacement parts. These original equipment brackets deliver the ideal fit and function to restore support of your ignition coil. They're manufactured from steel and given a black finish. The brackets are available in models for hundreds of vehicles from the 1990s and up. Keep your ignition coils securely in place with ACDelco ignition coil mounting brackets.

5.0 out of 5 stars ( 2 )

$27.99

NGK Ignition Coils

NGK ignition coils are designed to precisely control the spark intensity, delivering optimum power and the quality you expect from NGK. These replacement coils are designed to exceed OEM specifications for accurate, maintenance-free operation. They're easily installed and provide longevity and durability of your spark energy. NGK offers ignition coils as individual replacements or in a Multi-Pak for convenience and to maintain a proper service procedure.

4.44 out of 5 stars ( 57 )

$39.99

ACDelco Spark Plug Wire Sets

ACDelco spark plug wire sets meet or exceed original equipment specifications for fitment and performance. They're made from top-quality materials, so you know they'll last. The assembled ignition wires are available with different terminal ends and boot ends. Over 700 sets are available to cover virtually any vehicle on the road today. Order the spark plug wires recommended for your application.

4.53 out of 5 stars ( 146 )

$43.99

$49.99

ACDelco Vehicle Speed Sensors

ACDelco has you covered on all of your vehicle speed sensor needs. The speedometer gauge on your dashboard is getting its data from somewhere--and these are the units. The same signals are also used by multiple control modules to adjust or perform functions, such as cruise control, steering assist, and climate control. These GM-recommended replacement sensors are available for many makes and models of cars and trucks. Match your vehicle specs with the model that'll get you back up to speed!

4.5 out of 5 stars ( 4 )

$24.99

$34.99

Standard Motor Throttle Position Sensors

Standard Motor Products replacement throttle position sensors help you get maximum fuel efficiency and power from your engine. A properly operating accurate throttle position sensor is an essential component to helping your vehicle run flawlessly. The throttle position sensors transform the throttle position into output voltage and emit the voltage signal to your vehicle's computer. In addition, the sensors detect the opening and closing speed of the throttle valve and feed the voltage signal to the vehicle's computer. The computer receiving the signal from the throttle position sensor determines optimum engine operating conditions for idle control, fuel enrichment, and fuel cut. Replace your vehicle's worn or malfunctioning throttle position sensor with one of these reliable Standard Motor Products replacement TPS sensors.

3.92 out of 5 stars ( 36 )

$20.99

$43.99

Bosch Premium Original Equipment-Type Oxygen Sensors

Save the environment and gasoline dollars. Tune-up with Bosch premium original equipment-type oxygen sensors for lower emissions and greater fuel economy. Properly functioning oxygen sensors are important when it comes to your vehicle's fuel economy and reducing harmful exhaust emissions. That's why checking for and replacing a worn-out oxygen sensor with one of these Bosch sensors is an important part of every routine tune-up. These O2 sensors feature an OEM connector for ease of installation. Bosch invented the automotive oxygen sensor and is the top choice of carmakers around the world. Order the model designed for fitment with your vehicle.

4.76 out of 5 stars ( 174 )

$35.99

$52.99

Standard Motor Camshaft Position Sensors

Don't take chances with an old, questionable, or malfunctioning camshaft position sensor that can leave you stranded. Camshaft position sensors read the camshaft position and relay this information to your vehicle's ECM. This information is required for functions such as initiating injection on sequential injection engines, the trigger signal for the magnet valve on pump valve injection systems, and for cylinder-specific knock control. Standard Motor Products replacement cam position sensors are designed to exceed OEM specifications for accurate, reliable, maintenance-free operation. Trust your vehicle's engine management system needs to Standard Motor Products.

4.69 out of 5 stars ( 13 )

$27.99

Summit Bucks

Delphi Throttle Position Sensors

Are you experiencing hard starts, stalling issues, rough idle, or hearing a slight pinging within your engine? Don't panic. It may be related to a bad throttle position sensor. Delphi throttle position sensors are designed to sense throttle movement and change of position. They also regulate various engine and vehicle operations, including spark timing, air and fuel ratio, torque converter lockup, air conditioning, and idle speeds. With that said, throttle position sensors are an important component, and if your existing sensor seems to have gone bad, just swap it out for a new one from Delphi.

2.92 out of 5 stars ( 13 )

$52.99

Taylor Street Thunder Spark Plug Wire Sets

Taylor Street Thunder spark plug wire sets offer great performance at an affordable price. They feature 8mm diameter black silicone construction with synthetic jacketing to resist heat, oil, and abrasion. Their 500 ohm per ft. resistance delivers greater spark energy, while improving power and fuel efficiency. By using a Kevlar® helically spiral-wound core conductor, Street Thunder wires provide greater strength and durability to suppress electromagnetic and radio frequency interference. Matching black silicone boots protect against high exhaust temperatures and double spring locking terminals make quick vibration-proof connections. Taylor Street Thunder spark plug wires are available in universal, race-fit, or custom-fit styles. Select the set that best suits your application.

4.59 out of 5 stars ( 439 )

$50.90

ACDelco Replacement Wiring Harness Connectors

When you need to make automotive repairs, ACDelco's selection of replacement wiring harness connectors offers you the best fit and function sockets and pigtails to do a variety of jobs. These quality-built, OE-like connectors and adapters provide you with efficient, less costly repair options for GM and American Motors vehicles. They're available in male or female, with an assortment of pins/cavities to fill your needs. Service your vehicle with a name you know and trust--ACDelco.

4.88 out of 5 stars ( 24 )

$23.99

$50.99

ACDelco Gold Engine Coolant Temperature Sensors

ACDelco Gold engine coolant sensors are a high-quality aftermarket replacement component for many vehicles on the road today. These premium sensors are manufactured to exceed your expectations for fit and performance. Order the model recommended for your application.

4.5 out of 5 stars ( 42 )

$27.99

NTK Oxygen Sensors

NTK is the world's leading supplier of OEM oxygen sensors. They're individually tested to ensure the highest level of quality and reliability—designed to continuously detect the composition of exhaust gases. As the output from the sensors changes, the ECU instructs the fuel mixing system to alter the mixture. This ensures that the air/fuel mix is always correct and promotes efficiency. A new NTK oxygen sensor can help lower emissions, improve fuel mileage and engine efficiency, and extend catalyst life. These components meet or exceed OE specs and are equipped with waterproof, factory-fitted connectors to ensure a perfect fit every time. Order the model recommended for your vehicle.

4.81 out of 5 stars ( 80 )

$47.99

$50.99

Standard Motor Blue Streak Premium Street Performance Spark Plug Wire Sets

Standard Motor Blue Streak Premium Street Performance spark plug wire sets feature the same premium materials and workmanship as those Blue Streak supplies to winning race teams, but are engineered to fit street performance engine compartments. The patented clear-coat formulation and thick silicone outer jackets provide the best protection against heat and abrasion, while the fiberglass braid and Kevlar fiber give the wires superior strength. The wires feature 170 ohms/ft of resistance.

4.36 out of 5 stars ( 61 )

$37.99

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