MPA Electrical 11517 Alternator

Remanufactured 100 Amp Alternator for Toyota Applications

MPA Electrical Part Number 11517 is a remanufactured 12-volt alternator built for Toyota charging-system applications that use a Nippondenso-style unit. It delivers 100 amps, uses an internal regulator, and features a 7-groove serpentine clutch pulley for the specified belt drive setup.

Key Features

• 100 amp output for stable charging performance
• 12-volt alternator with internal regulator
• Internal fan design for the listed application
• Clockwise rotation
• 7-groove serpentine clutch pulley
• Remanufactured MPA Electrical unit, Part Number 11517
• OE-style interchange references include BBB Industries 11517

Product Details

This remanufactured alternator is built around the specified Nippondenso configuration and is intended for Toyota FJ Cruiser, Toyota Tundra, and Toyota 4Runner charging-system service where the vehicle calls for a 100 amp alternator. The clock position is 5:30, which matters when matching the housing orientation during replacement. If you are sourcing a Toyota FJ Cruiser alternator, Toyota Tundra alternator, or Toyota 4Runner alternator with the correct pulley and rotation, Part Number 11517 provides the listed electrical and mounting specifications.

This part cross-references BBB Industries 11517 for the same application.

Vehicle Fitment

• Fits 2010-2014 Toyota FJ Cruiser, N/A
• Fits 2011-2014 Toyota Tundra, N/A
• Fits 2010-2013 Toyota 4Runner, N/A, w/ 100 amp alt.; Remanufactured

Common Replacement Reasons

• Battery warning light or charging-system warning on the dash
• Low charging output under electrical load
• Noise from a worn alternator bearing or pulley assembly
• Voltage instability affecting lights, accessories, or starting performance
• Failure of the original alternator regulator or internal components

Installation Notes and Tips

Verify the existing alternator matches the 100 amp rating, 12-volt system, clockwise rotation, 5:30 clock position, and 7-groove serpentine clutch pulley before installation. Confirm the vehicle uses the listed Nippondenso-style configuration and compare the original unit to Part Number 11517 to ensure proper connector, bracket, and pulley alignment. After installation, check charging voltage at the battery and inspect belt tracking.

Quality Assurance

MPA Electrical remanufactured alternators are rebuilt to restore charging-system function for the specified application. This unit is identified by Part Number 11517 and is supplied as a remanufactured replacement for the listed Toyota fitments.