FWGC 11391R Alternator

Brand FWGC 11391R
Voltage 12
Fan Type Internal
Rotation Direction Clockwise (right)
Pulley Included Yes
Family Denso
Pulley Groove Quantity 6
Pulley Belt Type Serpentine
Regulator Type Internal
Decoupled Or Clutch Pulley No
Amperage Rating 130
Fits Acura and Honda · 38 vehicles

130-amp output. Provides the charging capacity needed for modern electrical loads.

Internal regulation. Built with an internal regulator and internal fan for stable operation.

Serpentine pulley. Includes a 6-groove pulley for the listed belt setup.

Cross-references BBB Industries 11391, 31100-RGW-A01 and 31100-RGW-A01RM for the same application. See all 7.

$128.58Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $128.58
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Alternator Overview

This 12-volt alternator is built for vehicles that need steady charging output and reliable electrical performance. Part number 11391R is a DENSO-family unit with a 130-amp rating, internal regulation, and a clockwise rotation pattern.

Compatible With Acura and Honda applications that use this configuration, including Acura TL, TSX, MDX, ZDX, and RL, plus Honda Accord, Pilot, Ridgeline, Accord Crosstour, and Odyssey. Part number 11391R is a direct-fit replacement for the listed applications.

Key Features

  • 130-amp output for modern electrical loads
  • 12-volt design with internal fan and internal regulator
  • Clockwise rotation, right-hand configuration
  • Serpentine belt pulley with 6 grooves
  • Pulley included for a complete replacement unit
  • DENSO-family construction for application-specific fitment

Detailed Description

Power Select alternators are engineered to deliver the amperage needed for today’s vehicle electrical systems. This unit uses proprietary components and manufacturing processes aimed at consistent output and long service life. The internal regulator and internal fan support stable charging performance, while the serpentine pulley setup matches the listed Acura and Honda applications. If you are replacing a worn alternator on an Acura TL, Honda Accord, or another listed model, 11391R provides the correct electrical and mechanical configuration for those vehicles.

This part cross-references BBB Industries 11391 for the same application.

What It Helps Solve

  • Battery warning lights caused by weak charging output
  • Dim lights or unstable electrical performance
  • Slow battery recovery after driving
  • Charging system noise from a failing alternator assembly
  • Starting issues related to insufficient alternator output

Installation Notes and Tips

Verify pulley groove count, belt type, rotation direction, and amperage rating before installation. Confirm the vehicle uses the listed DENSO-family alternator configuration and compare the original unit to part number 11391R before removal. Check belt condition and charging-system connections during replacement.

Quality Assurance

Power Select alternators are manufactured with proprietary components and processes to support maximum life and performance. The 11391R alternator is built to meet the electrical demands of the listed Acura and Honda applications.

This part fits 38 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2014AcuraTL3.5LV6—
2014AcuraTSX3.5LV6—
2013AcuraMDX———
2013AcuraTL3.5LV6—
2013AcuraTSX3.5LV6—
2013AcuraZDX———
2012AcuraMDX———
2012AcuraRL———
2012AcuraTL3.5LV6—
2012AcuraTSX3.5LV6—
2012AcuraZDX———
2012HondaAccord3.5LV6—
2011AcuraMDX———
2011AcuraRL———
2011AcuraTL3.5LV6—
2011AcuraTSX3.5LV6—
2011AcuraZDX———
2011HondaAccord3.5LV6—
2011HondaPilot———
2011HondaRidgeline———
2010AcuraMDX———
2010AcuraRL———
2010AcuraTL3.5LV6—
2010AcuraTSX3.5LV6—
2010AcuraZDX———
2010HondaAccord3.5LV6—
2010HondaAccord Crosstour———
2010HondaOdyssey———
2010HondaPilot———
2010HondaRidgeline———
2009AcuraRL———
2009AcuraTL3.5LV6—
2009HondaAccord3.5LV6—
2009HondaOdyssey———
2009HondaPilot———
2009HondaRidgeline———
2008HondaAccord3.5LV6—
2008HondaOdyssey———
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
BBB Industries — 1139131100-RGW-A0131100-RGW-A01RM104210-592104210-5920CSF92TN104210-5920