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Sensors: Oxygen, Map, Knock Sensor & More

Part Groups

Results 1 - 24 of 776

Holley EFI O2 Sensors

Holley EFI O2 sensors precisely manage air fuel ratios to keep your engine performing at its peak. Available in Bosch LSU4 and NTK wideband configurations, Holley EFI has the correct sensor for your high performance EFI application.

3.94 out of 5 stars ( 35 )

$184.95

$349.95

Holley Sniper EFI Oxygen Sensors

Holley Sniper EFI oxygen sensors are the best replacements for your system. When you need to service your Sniper EFI throttle body, Holley's list of parts include these O2 sensors to maintain a proper reading of oxygen levels in the exhaust. These replacement Bosch wideband sensors feature anti-seize pre-applied to sensor threads.

4.46 out of 5 stars ( 50 )

$147.95

ACDelco GM Genuine Parts Flex Fuel Sensors

ACDelco GM Genuine Parts flex fuel sensors will tell you the composition of your fuel. How much ethanol is in your system? Well, you're about to find out. These sensors measure the ethanol/gasoline ratio of the fuel being used—and then send a signal to your ECM so adjustments can be made for optimum operation of your flexible fuel vehicle. Allow GM Genuine Parts flex fuel sensors to provide the right answers for you to regain reliable, efficient performance.

5.0 out of 5 stars ( 7 )

$49.99

$106.99

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 ( 173 )

$22.99

$466.99

Holley Drive-By-Wire Accelerator Pedals

Holley drive-by-wire accelerator pedals perfect complements to any vehicle using DBW. They offer plug-and-play compatibility with Holley EFI and simply bolt into the stock locations when used with Holley's DBW pedal brackets (sold separately). Features: * Simplifies engine swaps with DBW accelerator systems * Works great with Holley EFI installation * Provides modern look and performance for classic vehicles * Fits in OE location when used with Holley DBW pedal brackets

5.0 out of 5 stars ( 1 )

$139.95

ACDelco GM Genuine Parts Knock Sensors

ACDelco GM Genuine Parts knock sensors are the GM recommended replacement for the vehicles original component. They monitor the engine for pinging or spark knock. The sensors create a voltage signal based on the vibrations caused by erratic air/fuel mixture combustion. The engine control module then uses that signal to adjust the ignition timing and air/fuel mixture. These GM Genuine Parts knock sensors have been manufactured to fit your GM vehicle, providing you with the same performance, durability, and service life you have come to expect from General Motors.

4.68 out of 5 stars ( 101 )

$3.99

$142.99

Holley TPS Kits

If you're running an electric choke Holley carburetor and are having trouble figuring out how to get that electronic overdrive transmission to work, Holley has the perfect solution for you. Holley TPS kits are designed for use on an electric choke-equipped Holley carburetor and are perfect for use with an electronic overdrive transmission, such as a 4L60E or 4L80E. They can also be used for data acquisition. These TPS kits are also designed to supply the needed TPS signal to an electronic transmission while retaining a carburetor. They drive directly off of the primary throttle shaft for accurate voltage readings. Holley TPS kits come complete with all the parts needed for a safe and easy installation.

4.06 out of 5 stars ( 34 )

$71.69

$186.95

ACDelco Crankshaft Position Sensors

Give your ride an attitude adjustment with ACDelco crankshaft position sensors. Your original sensor can become worn or burnt and sensitive to hot engine temperatures, leaving you sitting on the side of the road. ACDelco offers high-quality, direct-fit replacement crankshaft position sensors to respond to your car's needs. Dozens of models are available for fitment on thousands of vehicles from the 1980s and up. Enhance the efficiency and performance of your ride; order the crankshaft position sensor recommended for your application.

4.83 out of 5 stars ( 23 )

$6.99

$134.99

MSD Pro-Billet Distributor Plugs with Cam Sync

MSD Pro-Billet distributor plugs with cam sync are the perfect solution when running an aftermarket sequential EFI system with coil-per-cylinder ignition. The cam sync plug installs in place of a traditional distributor, providing a Hall-effect cam sync signal needed for the EFI system to reference the #1 cylinder. For wet sump applications, the plug also drives the oil pump. MSD cam syncs are plug-and-play with Holley EFI systems, and can easily interface with most aftermarket EFI systems. MSD cam sync plugs feature: * Built-in LED makes set-up and indexing quick and easy * Plug-and-play with Holley EFI and compatible with other aftermarket EFI systems requiring a cam sync signal * CNC-machined billet housing with black anodized cap provides good looks and excellent durability * Available with cast melonized, steel, or bronze distributor gear, depending on the application * Chevrolet version is supplied with an adjustable slip collar for blocks with a non-standard deck height

4.43 out of 5 stars ( 7 )

$317.95

$399.95

AEM Electronics Replacement Wideband UEGO Controller Air/Fuel Ratio Gauge Components

AEM Electronics Wideband UEGO Controller Air/Fuel ratio gauge components are designed to be used with AEM wideband UEGO controller air/fuel ratio gauges. Whether you need to replace your sensor or cable, these parts will help you to get your gauge back in working order.

4.0 out of 5 stars ( 23 )

$36.95

$133.95

ACDelco Engine Oil Pressure Indicator Switches

ACDelco engine oil pressure indicator switches are quality replacement parts you can feel good about installing. They offer the fit, form, and function—along with value—you expect and want. ACDelco has a wide selection of components to optimize your GM vehicle's performance, as well as products to cover many other makes and models. Order the ACDelco oil pressure safety switch designed for your specific vehicle.

4.56 out of 5 stars ( 25 )

$8.99

$68.99

AEM Electronics Inline Wideband UEGO Controllers

AEM Electronics inline wideband UEGO controllers give all the benefits of the AEM Electronics wideband Air/Fuel gauges to those who do not require or want an additional gauge in the car. Perfect for datalogging, engine management systems or racing applications where a gauge is not desired. With simple wiring and easy installation, the weatherproof controller can be mounted anywhere in or outside the vehicle. The system features a Bosch sensor with an accuracy of .1 AFR, making it among the fastest and most accurate widebands available. Other features include: * Ideal AFR monitoring tool for EFI and carburated applications, and engine dynamometers * Does not oscillate AFR reading like narrow band sensors * No laptop required for monitoring! * 0-5V analog output included for use with data loggers and virtually any engine management system * Detects AFR sensor problems and outputs error values which can be used to deactivate feedback * Reads Gasoline AFR values from 8.5 to 18:1 AFR * Reads E85 AFR from values 5.7 to 12:1 AFR * Reads Ethanol AFR values from 5.2 to 11:1 AFR * Reads Methanol AFR values from 3.7 to 7.8:1 * Reads Lambda values from 0.58 to 1.22 AFR

4.83 out of 5 stars ( 6 )

$189.95

Dorman Knock Sensor Kits

Is your check engine light on and vehicle running rough? Could be a failed knock sensor. Dorman knock sensor kits combine the necessary sensor and wiring harness that joins them for a complete repair in one package. Features include: * Plug-and-play installation--matches original wiring harness, requiring no cutting or splicing * Quality assured--benchmarked against original components for performance and quality * Excellent value--original equipment quality at significant cost savings

3.35 out of 5 stars ( 20 )

$50.99

$67.95

ACDelco GM Genuine Parts Camshaft Position Sensors

ACDelco GM Genuine Parts camshaft position sensors are a GM recommended replacement ideal for many vehicles on the road today. They monitor the rotational position of the camshaft(s). These sensors provide a signal to the engine control module, which compares the camshaft position with the crankshaft position to determine ignition and fuel injection timing. GM Genuine Parts camshaft position sensors have been manufactured to provide you with the performance, durability, and service life you expect from General Motors.

4.67 out of 5 stars ( 24 )

$4.99

$106.99

On Sale

Holley MAP Sensor Adapters

Holley offers MAP sensor adapters for a variety of Chevrolet LS engine applications from 1997 and up. They feature pre-terminated connectors and wiring for a direct plug-and-play installation. Depending on the model you select, the adapter will allow: * The installation of an LS3 MAP sensor in an LS2 or LS1 equipped vehicle * The installation of an MPFI WeatherPack 3-pin connector MAP sensor to the 3-pin Delphi GT connector * The installation of a Delphi MIP 3-pin connector MAP sensor to the 3-pin Delphi GT connector

4.84 out of 5 stars ( 19 )

$36.00


$23.40

$42.28

Chevrolet Performance MAP Sensors

Chevrolet Performance MAP sensors are high-quality, direct-fit replacements for worn or malfunctioning MAP (manifold absolute pressure) sensors. These sensors accurately produce voltage or frequency as intake manifold pressure changes--and the computer uses this information to measure engine load so that the ignition timing can be advanced and retarded as needed. The MAP sensors are available to fit most GM engines, including the LS Series. They're built from factory-style materials and easily install in the stock location, so no modifications are necessary.

5.0 out of 5 stars ( 1 )

$39.99

$72.99

Ballenger AFR500v3 Wideband Control Kits

Are you in need of an air-fuel-ratio monitor kit for your HP Tuned vehicle? Measure your AFRs with extreme precision using Ballenger Motorsports' AFR500v3 wideband control kits preconfigured specifically for vehicles using HP Tuners' software. As one of the most critical tools a tuner requires for properly calibrating a vehicle, the AFR500 air fuel ratio monitor provides professional grade measurement of air-fuel-ratio without breaking the bank. Ballenger AFR500v3 kits offer a linear analog output to be used as an input to engine control systems, gauges, or data acquisition systems. They are capable of reading air-fuel ratio values from 9.0:1 to 16.0:1 (standard range) with a resolution of 0.1 to provide excellent resolution in the tuning range of most performance vehicles. Key features and benefits: * Large, bright digital display controller (3.4 in. x 2.7 in. x 1.3 in.) * 13 ft. wiring harness with sealed connections * NTK production grade sensor * Standard measurement range * Display gasoline (standard) * Weld-in steel exhaust boss and plug * Mounting Velcro® * Comprehensive installation, troubleshooting, and tuning manual * 0 to 5 V analog output signal * 11 to 28 V input power (24 V system capable) * Compatibility with most aftermarket ECUs * Digitally derived output with a higher resolution digital/analog converter * 4 times the measurement resolution (4096 increments compared to the previous 1024) * ASIC chips (a common point of failure from electrostatic damage) have been replaced with a custom board providing better protection and upgrade capabilities * Ability to display from 0.0 to 6.0 in lambda setting for better flexibility with alternate fuels, such as diesel * Ability to upgrade firmware for future sensor types * All harnesses, control units, accessories, etc. are backward and forward-compatible * Options are selectable at any time via internal jumpers * NTK Calibration grade sensor highly recommended for low AFR methanol applications

Not Yet Reviewed

$549.99

Holley MAP Sensors

Whether your engine has forced induction or is naturally aspirated, Holley MAP sensors will keep your engine performing at its best. They're available in 1, 2, 3, 3.5, 5, and 7-bar models, with a variety of psi ranges. Choose the style preferred for your application.

4.53 out of 5 stars ( 17 )

$103.95

$183.95

ACDelco GM Genuine Parts Mass Airflow Sensors

ACDelco GM Genuine Parts mass airflow sensors are a key part of the engine management system, and they are GM-recommended replacements for your vehicle's original component. The MAF sensor measures the amount of air entering the engine so that the engine control module can determine the amount of fuel to inject. This ensures the most efficient air/fuel mixture for the best fuel economy and power, while reducing harmful exhaust emissions. These original equipment mass air flow sensors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

4.75 out of 5 stars ( 24 )

$40.99

$281.99

Banks Power PedalMonster Throttle Response Enhancers

Banks Power PedalMonster is the first OBD-II connected throttle sensitivity controller for gas and diesel vehicles. Controlled via Banks iDash or mobile app, PedalMonster is the only module of its kind to offer safety features like ActiveSafety, Reverse Safety, and Adjustable Low-Speed Trim. Select the model that best suits your application. Product features: * City, Sport, and Track modes, each with 10 sensitivity levels * OBD-II connected * ActiveSafety failsafe circuitry with Health Monitoring * Reverse safety returns pedal to stock in reverse gear * Adjustable Low-Speed Trim controls how fast sensitivity is added at slow speeds * Powered by +12 V via OBD, not low-overhead pedal circuit * Controlled by iDash DataMonster, iDash SuperGauge and mobile app * View PedalMonster's activity in real-time via iDash and mobile app * Simple plug-and-play installation * Warranty friendly. Does not leave footprint after removal

4.77 out of 5 stars ( 35 )

$319.00

$695.00

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.

4.76 out of 5 stars ( 66 )

$4.99

$195.99

ACDelco GM Genuine Parts Manifold Absolute Pressure Sensors

ACDelco GM Genuine Parts manifold absolute pressure sensors measure the intake manifold pressure, and are GM-recommended replacements for your vehicle's original component. The MAP sensor is a part of the fuel and engine management system. Its signal is used by the engine control module along with the throttle position sensor to calculate the amount of air entering the engine so that the correct amount of fuel is injected for optimum combustion. GM Genuine Parts manifold absolute pressure sensors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

4.9 out of 5 stars ( 21 )

$16.99

$134.99

Delphi Mass Airflow Sensors

Delphi mass airflow sensors are the OE parts that your vehicle should have come with! Their MAF sensors are new, not remanufactured, and feature fast response for outstanding performance over a wide range of ambient temperatures. Delphi mass airflow sensors are engineered to provide your ECM with continuous, precise information to ensure optimal performance, fuel economy, and reduced emissions. Give your vehicle new life--replace worn OE parts with Delphi mass airflow sensors.

4.71 out of 5 stars ( 96 )

$54.99

$482.99

Summit Racing™ OEM GM Flex Fuel Sensor

Summit Racing™ offers OEM GM flex fuel sensors for a wide range of applications, including many Chevrolet, GMC, Buick, and Cadillac models from 2011 and up. These replacement sensors measure the ethanol/gasoline ratio of the fuel being used—and then send a signal to your ECM so adjustments can be made for optimum operation of your flexible fuel vehicle. The sensors are made from factory materials and specs to ensure proper fit and performance. Ensure the fuel system efficiency you expect; order the model recommended for your vehicle.

Not Yet Reviewed

$79.99

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