WAI 13547N Alternator

WAI 13547N Alternator for Toyota Supra and Lexus SC300

The WAI 13547N alternator is a 100% new replacement built for vehicles that need reliable charging output and stable electrical performance. With a 100 amp rating, internal regulator, and DENSO family design, it supports the demands of modern accessories and factory electrical loads.

Key Features

• 100 amp amperage rating for consistent charging output
• 100% new construction, not remanufactured
• Internal fan and internal regulator
• Clockwise (right) rotation
• 6-groove serpentine pulley included
• DENSO family alternator design

Product Details

Built by WAI, part number 13547N is engineered with proprietary components and manufacturing processes to support long service life and dependable performance. This alternator is a direct-fit style replacement for 1993-1998 Toyota Supra w/Twin Turbo and 1995 Lexus SC300 w/Threaded Boss Hole on Side of Alt. It is a practical choice when replacing a worn charging unit on a Toyota Supra or Lexus SC300 that needs OE-style electrical output and pulley configuration.

This part cross-references BBB Industries 13547 for the same application.

Common Problems This Alternator Can Address

• Low battery charge or repeated battery drain
• Dim headlights or unstable electrical output
• Charging system warning light on the dash
• Alternator noise caused by internal wear
• Voltage drop under accessory load

Installation Notes and Tips

Verify pulley groove count, belt type, rotation direction, and regulator style before installation. Confirm vehicle-specific fitment details for your Toyota Supra or Lexus SC300, including the listed notes for twin turbo or threaded boss hole applications. Inspect the serpentine belt and charging system connections during replacement to help ensure proper operation after installation.

Quality Assurance

WAI alternators are manufactured as new units using proprietary components and processes to support maximum life and performance. The 100 amp output, internal regulation, and DENSO family design provide a specification-focused replacement for charging system service.