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Weller Truck Parts · Probes & Sensors
K4148WEL
In stock · ships from Knoxville
This is a 2-pin push-in speed sensor for Eaton Fuller manual transmissions (RTLO, RTO, FR series) that use an external tone ring.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
We don't publish fitment for this part yet. Rather than guess, get it confirmed against your truck in under a minute.
It reads the transmission output shaft speed and sends a signal to the speedometer or engine control module. Replace it when the speedometer is jumpy, dead, or if the sensor is corroded or damaged.
Part Number: K4148WEL
2 PRONG PUSH IN SPEED SENSOR = K3454
Vendor: Weller Truck Parts
Dealer: KP Services Crossville
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