Eaton Fuller K-4151 Dual-Pickup 4-Pin Speed Sensor Kit

Product Overview

Genuine Eaton Fuller K-4151 dual-pickup transmission speed-sensor kit for supported Eaton Fuller manual-transmission applications.

Technical Identification

• Manufacturer: Eaton Fuller
• Part number / SKU: K-4151
• Product type: Dual-pickup transmission speed-sensor kit
• Connector configuration: Four-pin
• Supersedes/replaces: A-7046, A-7518, and K-3455 in supported Eaton catalogs
• Known transmission families: Appears in supported FR, FRO, RT, RTLO, and related Eaton Fuller model catalogs; exact fitment remains model-specific

Application and Service Notes

Confirm the complete transmission model and serial number, sensor location, dual-pickup requirement, four-pin connector keying, resistance and signal specification, harness, tone wheel or rotor, mounting depth, and original sensor number before ordering. Do not substitute a single-pickup two-pin K-4148 or K-4150 sensor kit.

Electrical diagnosis should follow the exact Eaton troubleshooting manual. Inspect the connector, harness, terminal tension, sensor air gap or installation depth, rotor condition, contamination, and fault codes before replacement.

Please confirm K-4151, the transmission identification tag, dual-pickup four-pin configuration, electrical specification, sensor location, and application before ordering.

Parts Verification and Ordering Notice

Please confirm the existing part number, transmission model and serial number, connector, electrical specifications, dimensions, sensor location, and application before ordering. Cross-reference numbers, parts catalogs, service manuals, repair manuals, PDF references, and application guides are reference material only and may contain errors, omissions, superseded information, or model-specific differences.

Technical References and OEM Documentation

• Eaton Inforanger — Model Catalog Showing K-4151 Dual-Pickup 4-Pin Sensor Kit
• Eaton Download Center — Transmission Service and Troubleshooting Manuals