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Sensor

Browse sensors used in heavy equipment, industrial machinery, automation systems, engines, and control applications. Sensors help monitor pressure, temperature, speed, position, flow, level, and other operating conditions that are critical for equipment performance, safety, and diagnostics.

HRS Supplies offers new, used, refurbished, and surplus sensors from Caterpillar, Allen-Bradley, Siemens, Phoenix Contact, and other trusted industrial manufacturers. Products in this category may include pressure sensors, temperature sensors, speed sensors, position sensors, proximity sensors, switches, transducers, and related components for maintenance, troubleshooting, repair, and replacement applications.
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$299.99
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$299.99

CAT 186-0131 STEEL HIGH OUTPUT MAGNETIC SPEED SENSOR

HRS Supplies
In stock

The CAT 186-0131 is a steel high-output magnetic speed sensor used in compatible Caterpillar systems. Cat lists this part as a passive speed sensor...

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$299.99
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$299.99
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$249.99
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$249.99

CAT 258-4521 14V SPEED SENSOR

HRS Supplies
In stock

The CAT 258-4521 is a Caterpillar 14V speed sensor for compatible Cat equipment. Cat lists this part as a speed sensor with a 3-pin DT06 connector ...

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$249.99
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$249.99
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$599.99
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$599.99

CAT 338-1462 DIRECT CURRENT POSITION SENSOR

HRS Supplies
Low stock

The CAT 338-1462 Direct Current Position Sensor is a genuine Caterpillar transmission gear speed Hall effect sensor designed for accurate position ...

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$599.99
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$599.99
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$649.99
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$649.99

CAT 461-2544 STEERING SPOOL SENSOR

HRS Supplies
Low stock

The Caterpillar 461-2544 Steering Spool Sensor is a genuine CAT monitoring component designed to provide accurate steering system position feedback...

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$649.99
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$649.99
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$250.00
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$250.00

CAT 539-0117 NOX SENSOR ASSEMBLY

HRS Supplies
In stock

The CAT 539-0117 NOx Sensor Assembly is a genuine Caterpillar emissions sensor used to measure nitrogen oxide levels in engine exhaust. Cat NOx sen...

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$250.00
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$250.00
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$300.00
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$300.00

CAT 539-0118 SENSOR

HRS Supplies
In stock

The CAT 539-0118 Sensor Assembly is a genuine Caterpillar NOx emissions sensor group used in tailpipe-out exhaust aftertreatment applications. It m...

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$300.00
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$199.99
$199.99 - $199.99
$199.99

CAT 191-8305 2 PIN VARIABLE RELUCTANCE HIGH SPEED SENSOR

HRS Supplies
In stock

The CAT 191-8305 is a 2-pin variable reluctance high speed sensor for compatible Caterpillar equipment. Cat identifies it as a passive high-output ...

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$199.99
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$199.99
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$250.00
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$250.00

CAT 487-5859 SENSOR GROUP-POSITION

HRS Supplies
In stock

CAT 487-5859 is a genuine Cat position sensor group used for swing-angle or rotary position feedback in compatible Caterpillar equipment. It is int...

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$250.00
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$400.00
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$400.00

CAT 608-4420 SENSOR KIT

HRS Supplies
Low stock

The CAT 608-4420 Sensor Kit is a genuine Caterpillar service kit listed for use with 850 series applications and includes sensor-related components...

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$400.00
$400.00 - $400.00
$400.00

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