JEGS 10179 Ford 1-Wire 140 amp GM 10Si Style Alternator with serpentine belt pulley has a black powder-coated finish and only requires a 12-volt power source to operate. This direct bolt-in Motorcraft alternator replacement features an exclusive low cut-in of 880 engine RPM, allowing it to quickly charge without having to rev your engine like other units of its type that typically have a 1200 RPM cut-in to initiate the alternator charging circuit.

Features:

• Motorcraft Upgrade
• 140 amp Output GM 10Si Style Alternator Designed to Fit Ford Applications
• 1-Wire Hook Up
• Low RPM Charge Output
• Internal Regulator
• 2 in. O.D. Single 6-Rib Serpentine Belt Pulley with Cooling Fan & Baffle
• Adjusting Ear with 3/8 in.-16 Threads
• Incorporates a 3 in. Mounting Spool Like Original Ford Alternators
• Easy bolt-on no modifications required (Uses Existing Mounting Brackets)
• Black powder Coated Finish

Note: To help speed up your installation we recommend these JEGS wiring kits.

• High-Output Alternator Wiring Kit with 8 Gauge wire 555-10510
• Alternator Ground Wire kit with 10 gauge wire 555-10141