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Holstein Parts Knock Sensors
The knock sensor is able to detect mechanical stress and produces a voltage when the car knocks or pings. Under heavy acceleration, it sends signals to the ECU and the ECU retards the ignition timing to compensate for the knocking, which in effect protects the pistons and rings from damage. Knocking also occurs when using low-grade fuel and having the knock sensor allows you to use different grade fuels without causing engine damage. Holstein Parts focuses on using only the highest quality materials, manufactured to exacting standards for an aftermarket product that is truly built to match or exceed the OE part. Holstein Parts knock sensors line has superior coverage for domestic and import applications.
( 3 )
$7.99
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$237.99
Holstein Parts Camshaft Sensors
The camshaft position sensor monitors the rotating position of the camshaft relative to the crankshaft position. This data is sent to the vehicle's ECU, where it is used to adjust the spark timing and the operation of the fuel injectors. Holstein Parts focuses on using only the highest quality materials, manufactured to exacting standards for an aftermarket product that is truly built to match or exceed the OE part. Holstein Parts camshaft position sensor line has superior coverage for domestic and import applications.
( 5 )
$8.99
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$170.99
Holstein Parts Oil Pressure Switches
Holstein Parts oil pressure switches are made with the highest quality materials and manufactured to exacting standards to provide long-term function and performance. They are high-tech, OE-quality and are available to provide coverage for many domestic and import applications. When the engine oil pressure switch in your vehicle needs replaced, choose Holstein Parts to ensure the warning light will work properly, making you aware of a pressure drop.
Not Yet Reviewed
$3.99
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$154.99
Holstein Parts Crankshaft Sensors
The crankshaft position sensor is an electronic device that monitors the position and/or rotational speed of the crankshaft, then communicates with the vehicle's ECU to control ignition timing and fuel injection parameters. Holstein Parts focuses on using only the highest quality materials, manufactured to exacting standards for an aftermarket product that is truly built to match or exceed the OE part. Holstein Parts crankshaft position Sensor line has superior coverage for domestic and import applications.
( 3 )
$10.50
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$168.99
Clearance
Holstein Parts Vehicle Speed Sensors
Vehicle speed sensors measure wheel speeds and provide this information to the vehicles ECU (Electronic Control Unit). The ECU then calculates ignition timing, transmission shift points, and air/fuel ratios for the vehicle. Data from the Vehicle Speed Sensor is also used in cruise control systems to maintain a constant speed. Holstein Parts focuses on using only the highest quality materials, manufactured to exacting standards for an aftermarket product that is truly built to match or exceed the OE part. Holstein Parts vehicle speed sensors line has superior coverage for domestic and import applications.
( 5 )
$100.99
$8.50
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$237.99
Clearance
Holstein Parts ABS Sensors
Holstein Parts ABS sensor line has superior coverage for domestic and import applications. Anti-lock Braking, ABS Systems allows the driver to maintain control of the car in an emergency braking situation. The ABS system relies on sensors to monitor the wheel's speed and communicate with the ABS computer to ensure ideal performance. The data from the ABS sensor then allows the computer to balance the speed of each wheel to prevent the brakes from locking up and avoiding dangerous skidding situations. Holstein Parts focuses on using only the highest quality materials for their products, all parts are manufactured to exacting standards for an aftermarket product that is truly built to match or exceed the OE part.
( 5 )
$53.99
$5.50
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$611.99
Holstein Parts Brake Light Switches
Holstein brake light switches are direct OE-replacements for your factory originals that offer perfect fit, form and function for flawless operation that restores your vehicle to showroom levels of performance. Switch housings are made from premium quality reinforced plastic to ensure rugged, long term performance and superior reliability. The premium materials used for both the OE connectors and terminals ensure an accurate, firm connection to the vehicle's wiring harness. All Holstein electrical components are rigorously tested to meet or exceed OE manufacturer specifications. Choose the replacement brake light switches designed for your vehicle application.
Not Yet Reviewed
$2.99
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$64.99
Holstein Parts Variable Valve Timing Solenoids
The variable valve timing solenoid alters the supply of oil pressure to the camshaft depending on the engine's speed and load. It can either advance or retard cam position, which provides several benefits--including improved engine operation increased engine power, reduced fuel consumption, and decreased emissions. Holstein Parts replacements use only the highest quality materials, manufactured to exacting standards for an aftermarket product that is truly built to match or exceed the OE part. Holstein variable valve timing solenoids offer superior coverage for domestic and import applications. Order the model designed to fit your vehicle.
( 1 )
$23.99
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$434.99
Holstein Parts Idle Air Control Valves
The idle air control valve is an electrically controlled device, which gets its input from the vehicle's Engine Control Unit (ECU). The actuator is fitted such that it either bypasses the throttle or operates the throttle directly. The IAC allows the ECU to maintain minimum RPM irrespective of changes in engine load, sometimes referred to as an anti-stall feature. Holstein Parts uses only the highest quality materials and engineering for parts that are truly built to match or exceed the OE part. Holstein Parts idle air control Valves offer superior coverage for domestic and import applications.
( 1 )
$16.99
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$152.99
Holstein Parts Blower Motor Resistors
Holstein Parts blower motor resistors offer superior coverage for many domestic and import vehicle applications. The blower motor resistor is an electrical component that is a part of the vehicle's interior heating and air conditioning system. A failed blower motor resistor can cause issues with the entire heating and air conditioning system's operation. Holstein Parts uses only the highest quality materials and engineering for truly built parts to match or exceed the OEM parts to help restore proper function. Select the Holstein blower motor resister model designed to fit your application needs.
Not Yet Reviewed
$7.99
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$558.99
Holstein Parts EGR Valves
Holstein Parts EGR (exhaust gas recirculation) valves are direct-fit Original Equipment replacement components for your vehicle's emissions system. They recirculate a precise amount of exhaust gas into the engine's intake to lower combustion temperatures and reduce harmful nitrogen oxide (NOx) emissions. Manufactured to meet or exceed strict OE specifications, these valves restore factory-level performance, prevent rough idling, and ensure compliance with emissions testing. They're heavily engineered for heat resistance and durability against demanding, high-temperature engine operating conditions. The EGR valves are available for a wide range of applications.
Not Yet Reviewed
$30.99
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$299.99
Holstein Parts Throttle Position Sensors
The throttle position sensor (TPS) is used to monitor how far the throttle valve (or blade) is open, which is determined by how far down the accelerator pedal has been pressed. This information is relayed to the vehicle's engine control unit (ECU) and determines how much air and fuel is entering the engine, which guarantees a smooth-running engine. When a TPS goes bad, the car's throttle body won't function properly. Holstein Parts uses only the highest quality materials and engineering for parts that are truly built to match or exceed the OE part. Holstein Parts throttle position sensors offer superior coverage for domestic and import applications.
Not Yet Reviewed
$13.99
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$112.99
Holstein Parts MAP Sensors
The manifold absolute pressure sensor (MAP sensor) is one of the sensors used in a vehicle's electronic control system (ECU). The MAP sensors provide instantaneous manifold pressure information to the engine's computer (ECU). The data is used to calculate air density and determine the engine's air mass flow rate, which determines the required fuel metering for optimum combustion and influences the advance or retard of the ignition timing. A faulty Map sensor can cause a vehicle to run rich or lean, which will affect the vehicle's ignition timing and cause the engine not to run smoothly. Holstein Parts uses only the highest quality materials and engineering for parts that are truly built to match or exceed the OE part. Holstein Parts MAP sensors offer superior coverage for domestic and import applications.
( 1 )
$15.99
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$69.99
Holstein Parts Ignition Coils
Misfires, check engine lights, hard starts, stalling … maybe it's time to pay some attention to your vehicle engine coils. Holstein Parts ignition coils are made with the highest quality materials and manufactured to exacting standards for an aftermarket product that is truly built to match or exceed the OE part. Holstein Parts offers superior coverage for domestic and import applications. Choose the ignition coil designed to service your vehicle and restore optimal operation.
Not Yet Reviewed
$18.99
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$143.99
Holstein Parts PCV Valves
Holstein Parts positive crankcase ventilation (PCV) valves are direct Original Equipment replacements that regulate crankcase air pressure, balance emissions, and prevent harmful oil vapors from clogging your intake. They ensure smooth engine idling, maximize fuel efficiency, and protect engine oil seals from degradation. Additional PCV valve details: * OE-Match Engineering: Designed for a flawless, direct fit that mimics original factory parts for trouble-free installation * High-Durability Materials: Crafted with premium, heat-resistant components engineered to withstand severe engine operating temperatures * Optimal Flow Rates: Calibrated exactly for specific manufacturer requirements to prevent issues like rough idling, oil consumption, and check engine lights * If your vehicle is exhibiting symptoms of a failing valve—such as high oil consumption or rough idle—replacing it with a Holstein valve quickly restores factory-level emission performance and smooth operation
Not Yet Reviewed
$4.99
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$99.99
Holstein Parts Ignition Modules
Holstein ignition modules are engineered to deliver reliable ignition system performance, helping ensure accurate spark timing, efficient engine operation, and dependable starting under a wide range of driving conditions. Designed as direct-fit replacements, these ignition modules are manufactured to meet or exceed OE specifications for form, fit, and function, providing consistent durability and long-lasting performance. With extensive vehicle coverage and rigorous quality testing, Holstein ignition modules help restore proper ignition control, reduce misfires, and support optimal engine efficiency for professional technicians and automotive enthusiasts alike. Order the ignition control module engineered for your vehicle's application.
Not Yet Reviewed
$25.99
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$167.99
Holstein Parts ABS Wiring Harnesses
Holstein Parts ABS wiring harness line has superior coverage for domestic and import applications. Anti-lock Braking, ABS Systems allows the driver to maintain control of the car in an emergency braking situation. The ABS system relies on sensors to monitor the wheel's speed and communicate with the ABS computer to ensure ideal performance. The data from the ABS sensor then allows the computer to balance the speed of each wheel to prevent the brakes from locking up and avoiding dangerous skidding situations. Holstein Parts focuses on using only the highest quality materials for their products, all parts are manufactured to exacting standards for an aftermarket product that is truly built to match or exceed the OE part. Select the model designed for your application.
Not Yet Reviewed
$16.99
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$184.99
Holstein Parts Coolant Temperature Sensors
The coolant temperature sensor, also known as the coolant temperature switch, is an engine management system sensor used to monitor the engine coolant's temperature. Because temperature play a vital role in engine performance, a problem with your coolant sensor could quickly translate into engine issues. Holstein Parts coolant temperature sensors contain only the highest quality materials and engineering for parts that are truly built to match or exceed the OE part. And they offer superior coverage for domestic and import applications.
Not Yet Reviewed
$5.99
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$181.99
Holstein Parts Brake Wear Sensors
Brake pad wear sensors are used to warn the driver that the brake pads need replacement, and they are installed into a vehicle's brake pads and wired into the vehicle's notification system. Holstein Parts focuses on using only the highest quality materials, manufactured to exacting standards for an aftermarket product that is truly built to match or exceed the OE part. Holstein Parts brake wear sensors have superior coverage for import and domestic applications
Not Yet Reviewed
$1.99
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$36.99
Holstein Parts MAF Sensors
Holstein Parts manifold absolute pressure (MAP) sensors are used in a vehicle's electronic control system (ECU). Engines that use a MAP sensor are typically fuel injected. These sensors provide instantaneous manifold pressure information to the engine's computer (ECU). The data is used to calculate air density and determine the engine's air mass flow rate, which determines the required fuel metering for optimum combustion and influences the advance or retard of the ignition timing. A faulty MAP sensor can cause a vehicle to run rich or lean, which will affect the vehicle's ignition timing and cause the engine not to run smoothly. Additional details: * Holstein Parts offers superior MAP sensor coverage for import and domestic applications * These OE-style replacements use only the highest quality materials, manufactured to exacting standards to provide long-term function and performance * Sealed anti-static protective packaging ensures that electrical components are not damaged during shipping
Not Yet Reviewed
$49.99
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$655.99
Holstein Parts Fuel Pressure Sensors
Holstein Parts fuel pressure sensors are direct OE-replacement sensors that monitor the pressure within your vehicle's fuel rail and relay this data to the engine's computer (ECU). They're essential for calculating the correct air/fuel ratio, ensuring optimal fuel economy, preventing engine misfires, and keeping your vehicle running smoothly. These sensors are available for a wide range of applications. Additional details: * OEM Fit and Function: Designed as a direct-fit replacement, exactly duplicating OE parameters for hassle-free installation * Durable Materials: Manufactured to handle high engine temperatures with rugged, heat-resistant components and OE-style watertight connectors * Reliability: Produced in ISO/IATF-certified facilities * Symptom Resolution: Replaces failing sensors to resolve issues like hard starts, random power loss, rough idling, and check engine lights
Not Yet Reviewed
$41.99
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$246.99
Holstein Parts Power Window Switches
Holstein power window switches are direct OE-replacements that offer perfect fit, form, and function for flawless operation, helping to restore your windows to factory levels of performance. The switch assemblies are made from premium quality reinforced plastic to ensure rugged, long-term reliability. The high-quality OE connectors and terminals facilitate an accurate, firm connection to the vehicle's wiring harness. All Holstein electrical components are rigorously tested to meet or exceed manufacturer specifications. Choose the replacement power window switches designed for your application.
Not Yet Reviewed
$31.99
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$124.99
Holstein Parts Steering Column Boots
Holstein steering column boots are precision-engineered replacement components designed to protect steering column and steering coupling assemblies from dirt, moisture, road debris, and other contaminants that can contribute to premature wear. Manufactured from durable, high-quality rubber for long-lasting flexibility and OE-style fitment, these boots help maintain proper steering system performance while restoring reliable protection to worn or damaged factory components. Designed to meet or exceed original equipment specifications, Holstein steering column boots provide dependable sealing, easy installation, and broad vehicle coverage, making them an ideal solution for professional technicians and DIY repair enthusiasts seeking quality, durability, and value. Choose the replacement steering column boots designed for your vehicle application.
Not Yet Reviewed
$10.99
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$18.99
Holstein Parts Relay Switches
Holstein relay switches are engineered to provide dependable control of critical vehicle electrical circuits, helping ensure consistent operation of systems such as A/C compressors, cooling fans, fuel pumps, horn circuits, HVAC components, ignition systems, and lighting functions. Designed as direct-fit replacements for OE applications, Holstein relay switches are manufactured to meet stringent quality and performance standards, delivering reliable signal transfer, long service life, and trouble-free installation. Backed by extensive application coverage and rigorous testing, Holstein relays help restore proper electrical system functionality while offering the durability and performance demanded by today's vehicles.
Not Yet Reviewed
$7.99
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$128.99
