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Dorman Magnetic Tachometer Sensors

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Dorman has a wide selection of OE-style replacement parts for your big rig, including magnetic tachometer sensors made from high-quality materials to withstand extreme underhood temperatures. They also resist brittleness and cracking. These magnetic tachometer sensors are designed for a direct-fit, with models available to service more than 200 vehicles from 1990 and up.

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Dorman Magnetic Tachometer Sensors for 1990-2001 CH, 1991-2003 MR - 505-5504

Gauge Sending Units, Tachometer, Magnetic, Thread-In, 2-Pin, Mack, Each

Part Number: RNB-505-5504

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

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