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Sensors: Oxygen, Map, Knock Sensor & More

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FuelTech Fuel Pressure Sensors

FuelTech specializes in developing and manufacturing state of the art performance engine management systems, including their fuel pressure sensors. These replacement sensors are used to monitor fuel, oil, and wastegate pressure, as well as nitrous bottle and brake pressure (application dependent). Available options include black composite or stainless steel body construction and with or without a mating plug kit. FuelTech fuel pressure sensors are also available in several psi ratings, so choose the version best suited for your vehicle's style and application.

Not Yet Reviewed

$99.00


$69.00

On Sale

AMS Performance VR30DDTT High Pressure Fuel Sensors

The OEM fuel pressure sensor on the VR30 engine found in the Infiniti Q50 and Q60 and Nissan Z vehicles is a common failure point for many in the enthusiast community, which is why a solution was necessary. The AMS Performance VR30DDTT high-pressure fuel sensors are designed and validated similar to the OEM sensor found in your stock Nissan VR30 engine; however, their improved design allows them to better withstand pressure fluctuations and outlast the stock sensor—especially on modified VR30 engines. They're such an improvement that in product testing, customers have gone from near weekly OEM sensor failures to zero failures with the AMS replacement sensors. Factory fuel pressure sensors have two points of failure: the sensor internals themselves, and the harness connector. The most common is the sensor internals which often fail from large fluctuations of high pressure within the fuel system. These fluctuations are more common on VR30 cars with upgraded fuel systems, especially when running E85, and the AMS sensor's more robust construction helps prevent failures. The connector issue, however, can happen to any vehicle at any level of modification, as the pins within the connector dislodge due to normal engine vibration. AMS Performance VR30DDTT high-pressure fuel sensors rectifies this issue, as well, by featuring a new connector with adapter harness included. Additional details: * Exceptional reliability over the OEM sensor * Fully integrates with EcuTek software * Bolt-in install with plug-and-play harness included

Not Yet Reviewed

$229.95


$195.50

FAST Wireless Air/Fuel Meter Kits

FAST has revolutionized the tuning industry with the most advanced, app-based, wireless air/fuel meters, in both dual and single sensor options. These kits use an underhood-mounted Bluetooth module, connected to Bosch LSU 4.9 oxygen sensors in one or both of your engine's exhaust outlets—giving you the full story on the state of your engine's tune. With the dual sensor unit, you can read both wideband oxygen sensors individually, or average them together for super accurate readings of the engine's true air/fuel ratio. Easy to use with any iOS or Android device, the FAST wireless air/fuel meter app includes a simple, built-in data logger that records up to two minutes of air/fuel and RPM data. Fuel calibrations are preloaded for measuring gasoline, all popular ethanol blends, methanol, diesel, and more. Advanced features include 0-5 V output for external data loggers and digital gauges. Additionally, a selectable module output is provided that can be used as: an RPM-activated window switch; a lean air/fuel ratio safety cut-off; or an innovative anti-theft feature. This would allow you to manually activate/deactivate a vehicle immobilizing relay—a simple way to protect your vehicle from theft! Additional details: * Monitor air/fuel ratio directly from any iOS or Android smartphone * Supports all popular fuel types * Clean install, no extensive wiring or permanent gauges needed * Includes oxygen sensor bungs and 39.37 in. of sensor wiring With features unlike anything else on the market, it's clear that FAST wireless air/fuel meter kits are the best choice for the serious engine tuner.

4.75 out of 5 stars ( 4 )

$551.95

$734.95

Clearance

Caspers Electronics Air/Fuel Pigtails

Caspers Electronics air/fuel pigtails allow aftermarket air-fuel gauges to be added to your current front oxygen sensor signal, with complete plug-in capability. The signal wire exits the plug-in assembly and allows the addition of wire to your gauge. Choose from flat or square styles to suit your automotive needs.

Not Yet Reviewed

$21.39

$25.99


$13.50

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 )

$206.95

Haltech Wideband Oxygen Sensors

Haltech offers a variety of data acquisition components and accessories to facilitate engine management and automotive performance. These replacement wideband oxygen sensors are built to fit and function just like the originals. They're designed for use with a wideband controller or gauge. The 02 sensors are available in different models: * Model 010712: Modified NTK LZA08-H5 Suits NEXUS Series devices and used with NTK compatible wideband controllers to measure Lambda Notes: Genuine NTK sensor modified by Haltech to improve sensor longevity and accuracy at extremely rich air to fuel ratios by the addition of a thin walled spring steel radial shroud at the sensor tip. * Model 010714: Bosch LSU 4.2 Includes: Pre-terminated with female Deutsch DT-6 connector * Model 010718: Bosch LSU 4.9 Suits: Nexus ECU, Elite Pro Plugin ECU and WB1/WB2 Includes: Bosch LSU 4.9 sensor with factory calibration resistor connector (not a Deutsch DT-6 connector)

5.0 out of 5 stars ( 1 )

$130.00

$180.00

Holley Sniper MAP Sensors

The pressure inside the intake manifold is an extremely important input to the engine control unit. Holley Sniper MAP sensors respond to changes in manifold pressures and relay the information to the ECU in the form of a voltage signal ranging from 1-5 volts. These replacement sensors will handle applications up to 25 lbs. of boost. Additional notes: * Utilizes stock attaching points * Sensor monitors manifold vacuum, varying output voltage to the ECU as a function of load placed on the engine—providing necessary data to control fuel enrichment

4.33 out of 5 stars ( 3 )

$35.65

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.

3.95 out of 5 stars ( 37 )

$15.99

$719.99

Standard Motor Knock Sensors

Don't take chances with an old, questionable, or malfunctioning knock sensor that diminishes your vehicle's fuel economy, or worse, your engine. The engine knock sensors play a dual role in helping to monitor and protect your engine. Like other sensors, knock sensors monitor engine operation to optimize performance. In addition, knock sensors protect the engine against power-robbing and potentially destructive engine knock. Standard Motor Products replacement knock sensors are designed to exceed OEM specifications for accurate, reliable, maintenance-free operation. Trust your vehicle's engine management system needs to Standard Motor Performance.

4.25 out of 5 stars ( 12 )

$5.99

$376.99

Summit Bucks

ACDelco Gold Remanufactured Mass Airflow Sensors

ACDelco Gold remanufactured mass airflow sensors are high-quality replacements for many vehicles on the road today. A key part of the engine management system, MAF sensors measure 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. Remanufacturing the mass air flow sensor is an industry standard practice that involves disassembly of existing units, and replacing components that are most prone to wear with new components. Damaged and obsolete parts are replaced and are end-of-line tested to ensure they perform to ACDelco specifications. In addition, remanufacturing returns components back into service rather than processing as scrap or simply disposing of them. Order the sensor recommended for your vehicle.

5.0 out of 5 stars ( 1 )

$45.99

$270.99

Holley Commander 950 Wideband Replacement O2 Sensors

Holley Commander 950 wideband replacement O2 sensors are the ultimate additions to any new or existing Commander 950 EFI system. They plug directly into any Commander 950 harnesses and accurately measure any air/fuel ratios between 10:1 and 20:1. This allows the engine tuner to read the air/fuel ratios in real time for extremely precise tuning. These sensors are designed for use with Holley controllers only. They are not intended to be replacement sensors for factory fuel injected vehicles.

Not Yet Reviewed

$368.95

AEM Electronics Throttle Control Modules

Get rid of laggy acceleration and improve throttle response with AEM Electronics throttle control modules! Utilizing five preset and three customizable throttle curve profiles, the downloadable TCM app for iOS and Android phones can easily and wirelessly tailor your desired driving experience. Installation takes only minutes and plugs inline between your vehicle's accelerator pedal harness—no additional wiring is required. The user-friendly and intuitive AEM (TCM) downloadable app puts you in control, allowing you to dial-in your throttle curve just the way you want! Product features and benefits: * Quick and easy plug-and-play design that is removable without a trace * Works on gas, diesel, alternative fuel and Hybrid vehicles * Improves throttle response and transforms the feel of the vehicle * Multiple switchable profiles including various sport modes, eco modes, and custom maps * Bluetooth iOS and Android mobile app * Custom throttle mapping allows you to perfectly tune your throttle pedal * Works on stock and modified vehicles with electronically controlled throttle * No clunky boxes, wires, or controllers like other devices * Connects to the throttle harness, leaving your OBD-II port free

Not Yet Reviewed

$271.95

BBK Throttle Position Sensors

BBK 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. BBK 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 BBK throttle position sensors.

4.57 out of 5 stars ( 14 )

$69.99

On Sale

MSD Power Grid Oxygen Sensor Module Harnesses

MSD offers replacement wiring harnesses for the Power Grid Dual NTK wideband oxygen module—a dual channel air/fuel ratio (AFR) system designed to interface with the Power Grid (P/N 7730) to monitor and record the AFR of internal combustion engines. The oxygen sensor module is capable of measuring AFR as low as ? = 0.5 (7.35:1 gasoline AFR equivalent). The AFR range is configurable using the MSDView software in conjunction with the Power Grid Controller (P/N 7730). Excellent MSD range of the NTK sensor gives each unit the ability to accurately monitor AFR's even on alcohol cars. The MSD wideband oxygen sensor module also provides a 0.5-4.5 VDC analog output proportional to the AFR. This analog output can be sent to a gauge or a data acquisition system. A dual-color LED provides the system status at a glance. (To provide accurate backpressure compensated AFR readings on turbocharged applications, the addition of an Exhaust Pressure Module, part number 7767, is required.) MSD can provide a replacement main harness, sensor 1 harness, or sensor 2 harness for your application. Order the model needed to restore proper performance to your vehicle.

5.0 out of 5 stars ( 1 )

$65.35


$35.94

$99.95

Standard Motor Intermotor Mass Airflow Sensors

Standard Motor intermotor mass airflow sensors are genuine replacements, with the fit of an OE part. They're 100 percent new units—never remanufactured—so there's no leftover debris that can cause sensor failure. Manufactured to strict quality standards to ensure each part outperforms other airflow sensors in the aftermarket, each unit is computer-tested to ensure the ECU receives accurate airflow readings under hard engine conditions, which are required to balance and deliver the correct air/fuel ratio to the engine in order to achieve clean burns. In addition, the lack of moving parts in the mass airflow unit ensures wear-free sensor life. Order the intermotor mass airflow sensor model recommended for your car, truck, or van.

Not Yet Reviewed

$100.99

$320.99

Hella Exhaust Gas Temperature Sensors

Hella EGT sensors record the exhaust gas temperature ahead of the catalytic converter or the diesel particulate filter--and send this as a voltage signal to the engine control unit. In addition, high temperature sensors protect components in the area of the hot exhaust gas flow from critical overheating. Customers benefit from lower emissions, improved engine efficiency, optimized performance, and lower fuel consumption. Hella sensors provide you with quality direct-fit options that will look and function just as the originals to resolve these problem issues and restore your car's performance. Order the replacement model recommended for your vehicle.

Not Yet Reviewed

$71.99

$132.99

Clearance

Standard Motor Nitrogen Oxide Sensors

Standard Motor nitrogen oxide sensors are designed to detect NOx levels in diesel-fueled vehicles that must comply with state emissions regulations. These NOx sensors are direct-fit OE replacements for the originals, ensuring proper fit, form, and function, as well as ease of installation. The high-temperature sensors have a plug-and-play design, so no additional programming is required. Order the model recommended for your application.

5.0 out of 5 stars ( 1 )

$318.99


$117.99

$633.99

MotoRad Mass Airflow Sensors

MotoRad mass airflow sensors precisely measure airflow entering the engine and communicate with the ECU to support optimum fuel combustion. They're engineered to reduce contamination and withstand vibration to maximize durability. All MAF replacement sensors are designed to meet or exceed OEM specifications—and are available for a wide range of vehicles. Additional product details: * Proprietary NTC Technology designed to match OE resistance ensuring the most precise signal to ECU, resulting in optimal fuel/air mixture * 100 percent thermal cycle and sonic nozzle testing, among other tests, ensures worry-free performance and durability * Platinum infused hot wire sensor minimizes corrosion and guarantees a stable reading * Features double wire bonding upgraded to protect against issues caused by vibration * 100 percent new product, not remanufactured * Offered with or without housing assembly

Not Yet Reviewed

$57.99

$442.99

NGK NTK Engine Coolant Temperature Sensors

NGK Spark Plugs offers NTK engine coolant temperature sensors for a variety of applications. They determine the exact temperature of the engine coolant by sending an analog signal to the ECM to ensure proper air/fuel ratio along with proper operation of the cooling fan(s) and temperature gauge. These brass sensors may be located on the cylinder head, engine block, thermostat housing or intake manifold. Reasons for replacement include: Check engine light illumination, erratic or no temperature gauge operation, erratic or no cooling fan operation, and engine overheating. Additional notes: * The NTK Difference: Thread sealant/O-ring installed where applicable. Thermistor placement within the housing matches OE to ensure proper output. Proper thermal conductive grease provides accurate temperature transfer to the thermistor. * Engine coolant temperature sensors measure the temperature of the coolant. The readings from the ECT sensor are sent back to the Engine Control Unit (ECU) to adjust the fuel injection and ignition timing. * Sensors are manufactured to operational performance standards to meet or exceed OE fit, form and function to ensure proper engine operating temperature. * Faster response time: Thermal conductive grease inside brass housing increases sensor response time * OE matched: Wires and probe length match original equipment. Mounting clip(s) included where applicable

Not Yet Reviewed

$7.99

$60.99

NGK NTK Engine Cylinder Head Temperature Sensors

NGK Spark Plugs offers NTK engine cylinder head temperature sensors for a variety of applications. They determine the exact temperature of the cylinder head by sending an analog signal to the ECM to calculate timing and fuel delivery for maximum engine performance, efficiency, and engine operating temperature. These sensors are located on the cylinder head. Reasons for replacement include: Check engine light illumination, erratic or no temperature gauge operation, erratic or no cooling fan operation, and engine overheating. Additional details: The NTK Difference: Thread sealant/O-ring installed where applicable. Thermistor placement within the housing matches OE to ensure proper output. Proper thermal conductive grease provides accurate temperature transfer to the thermistor Sensors are manufactured to operational performance standards to meet or exceed OE fit, form, and function, ensuring proper monitoring of the engine's cylinder temperature Faster response time: Thermal conductive grease inside brass housing increases sensor response time OE matched: Probe length matched to original equipment. Thread sealer pre-applied if necessary

Not Yet Reviewed

$12.99

$25.99

Banks Power iDash Pro and PedalMonster Throttle Response Enhancers

Banks Power offers iDash Pro and PedalMonster throttle response enhancers for a wide range of applications, including many Chevrolet, GMC, Cadillac, Dodge, Ford, Ram, Lexus, Scion, Subaru, and Toyota cars, trucks, and vans from 2005 and up. PedalMonster is the only OBD-connected throttle sensitivity controller for gas and diesel vehicles. It's tuned to eliminate factory throttle delay, instantly making your vehicle more fun to drive—and actually fixes dangerous flaws found in every other throttle controller. Additional details: * Total Throttle Control: Unlike conventional cable throttles, where your pedal is directly attached to the engine's butterfly valve, electronic accelerator pedals are not mapped linearly. Part throttle drivability is often dampened as a means to stretch fuel economy, giving a mushy and unresponsive feel when on the road. Banks Power spent months engineering smooth pedal contours that are a pleasure to drive. * Tune Your Sensitivity: Select from PedalMonster's 3 driving environments with a total of 150 unique throttle contours and tune out your pedal's dead spot: -- City: Provides a smooth driving experience with a linear throttle feel and is tuned for daily driving -- Sport: Adds more sensitivity in the throttle's midrange for a sportier throttle contour feel -- Track: Lets you get into your power sooner with less throttle input, helping push through turbo spool lag or delay * Choose Your Control: PedalMonster can be used as a stand-alone device, controled by Banks' free mobile app for a stealthy install. Or, pair the PedalMonster with an iDash Pro or Data Pro to be able to adjust pedal settings on-the-fly and open up a whole world of data not available on your vehicle's dashboard. See what data iDash Pro can display for your vehicle. With Bluetooth connectivity built in, new features and support for other vehicles can be added over-the air. No computer required. * OBD-II Connectivity Brings Safety: PedalMonster is the ONLY throttle sensitivity controller connected via the vehicle's +12 V OBD-II port to read vehicle data. This reliable power connection and vehicle information is used to provide smooth pedal response and enhanced safety features. Key features: * 150 selectable smooth throttle contours * Smartest, safest, throttle sensitivity controller available * Tip-in control gradually adds sensitivity below 10 mph * Reverse Safety returns pedal to stock in reverse * ActiveSafety failsafe system * Powered by fused +12 V via OBD, not +5 V pedal reference circuit like others * Control and view activity in real-time via mobile app or iDash * Simple plug-and-play installation

Not Yet Reviewed

$738.00

$779.00

NGK NTK Automatic Transmission Speed Sensors

NGK Spark Plugs offers NTK automatic transmission speed sensors for a wide range of applications. They measure the rotational speed of the transmission shafts. Input and output transmission speed are monitored and relayed to the engine control module or transmission control module by either an analog or digital signal for proper shift points, speedometer operation and transmission diagnostics. Reasons for replacement include check engine light illumination, poor or erratic shifting, and no or erratic speedometer operation. Additional details: * The NTK Difference: High-strength thermoplastic is resistant to temperature, moisture and chemicals. A pre-installed O-ring precisely matches OE material and diameter for ease of installation and superior sealing. * OE match: Sensors are manufactured to operational performance standards to meet or exceed OE fit, form and function to ensure proper monitoring of the transmission's speed. Sensor output signal matches factory specifications. * Automatic transmission speed sensors send information to the vehicle's control units (ECU, TCU, or PCM) to precisely perform functions such as shift points, ignition timing and air/fuel ratio.

Not Yet Reviewed

$13.99

$278.99

NTK Vehicle Speed Sensors

NGK Spark Plugs offers NTK vehicle speed sensors for a variety of applications. They measure transmission, transaxle output or wheel speed. The engine control unit or ECU uses this information to modify ignition timing, air/fuel ratio, transmission shift points, and to initiate diagnostic routines. A failing vehicle speed sensor may lead to erratic shifting, inoperable speedometer, or check engine light. Sensors may be mounted in the transmission, transfer case, or rear differential. Additional details: * NTK vehicle speed sensors are manufactured to operational performance standards to meet or exceed OE fit, form, and function to ensure proper reading of vehicle wheel speed. * The NTK Difference: Premium quality with outstanding support and industry-leading innovation bred directly from the company's OE heritage. * Bolt-on

Not Yet Reviewed

$22.99

$294.99

Spectra Premium MAP Sensors

Spectra Premium manifold absolute pressure (MAP) sensors work with your intake air pressure to define the proper air and fuel quantities required for the ignition cylinders. They measure the vacuum of the intake manifold (which fluctuates according to engine load) relative to the barometric pressure. Spectra Premium MAP sensors ensure premium performance and durability for you and your ride! Additional features include the following: * Anti-seize thread coating pre-applied on all parts * OE-level reliability and function * All sensors undergo several cycles of thermal shock to ensure reliability in all road conditions * Fit and road-tested to ensure ease of installation and real-world performance * Complete end-of-line testing

Not Yet Reviewed

$19.99

$596.99

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