WAI 7805-11N Alternator

Brand WAI 7805-11N
12 12
Fan Type External
Rotation Direction Clockwise (right)
Pulley Included Yes
Family Delco
Pulley Groove Quantity 6
Pulley Belt Type Serpentine
Regulator Type Internal
Decoupled Or Clutch Pulley No
Amperage Rating 120
Fits Buick and Oldsmobile · 19 vehicles

100% new construction. Not remanufactured, with proprietary components and processes.

120-amp output. Built to supply the electrical demand of modern charging systems.

Delco family design. Internal regulator, external fan, and serpentine pulley configuration.

Cross-references 7805-11, 1101325 and 1101326 for the same application. See all 11.

$211.75Free shipping
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Overview

The WAI 7805-11N alternator is a new, 120-amp charging unit built for applications that need stable electrical output. It uses an internal regulator, an external fan, and a serpentine pulley setup to match the specified OE-style configuration.

Compatible with Buick and Oldsmobile applications, this alternator is listed for select 1986-1990 models and is identified by part number 7805-11N. It is a direct-fit charging component for vehicles that require the listed Delco family configuration.

Key Features

  • 120-amp output for modern electrical load demands
  • 100% new construction, not remanufactured
  • Internal regulator for integrated voltage control
  • External fan design for cooling support
  • Serpentine belt pulley with 6 grooves
  • Clockwise rotation with included pulley

Detailed Description

The WAI 7805-11N is engineered as a replacement alternator for select Buick and Oldsmobile vehicles, including Buick Reatta, Buick Riviera, and Oldsmobile Toronado applications. It is built in the Delco family format and specified with a 12-volt electrical system, clockwise rotation, and a 6-groove serpentine pulley. The 7805-11N is also cross-referenced to 7805-11, 1101325, and 1101326 for the same application.

WAI states that this alternator is manufactured new with proprietary components and processes to support long service life and consistent performance. For buyers searching for a 1986 Buick Riviera alternator, 1987-1990 Buick Riviera alternator, or 1986 Oldsmobile Toronado alternator, this unit matches the listed fitment and electrical configuration.

What It Helps Address

  • Low charging output or battery drain caused by a failing alternator
  • Dim lights or unstable electrical performance under load
  • Charging system warning lights related to alternator failure
  • Voltage irregularities from worn internal charging components
  • Replacement needs for Delco-style charging system applications

Installation Notes

Verify pulley style, rotation direction, amperage rating, and connector configuration before installation. This alternator is listed for specific 1986-1990 Buick and Oldsmobile applications, including models with AC and 4-pin alternator plug requirements. Confirm the vehicle’s charging system specifications against the fitment notes before ordering.

Quality Assurance

WAI describes this alternator as 100% new and built with proprietary components and processes to support maximum life and performance. The 7805-11N is engineered to deliver the amperage output needed for today’s vehicle electrical systems.

This part fits 19 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
1990BuickReatta———
1990BuickRiviera———
1990OldsmobileToronado———
1989BuickReatta———
1989BuickRiviera———
1989OldsmobileToronado———
1988BuickReatta———
1988BuickRiviera———
1988OldsmobileToronado———
1987BuickRiviera———
1987OldsmobileToronado———
1986BuickCentury3.8LV6w/AC, Opt, w/AC, Std
1986BuickElectra3.8LV6w/4-Pin Alt Plug
1986BuickLeSabre3.8LV6108 or 120 Amp, Supplied as 120 Amp
1986BuickRiviera——Std., 108 Amp to Opt., 120 Amp, Supplied as 120 Amp
1986Oldsmobile98——w/4-Pin Alt Plug, 120 Amp
1986OldsmobileCutlass Ciera3.8LV6w/AC
1986OldsmobileDelta 883.8LV6Std., 108 Amp to Opt., 120 Amp, Supplied as 120 Amp
1986OldsmobileToronado——w/4-Pin Alt Plug, 120 Amp
Directly replaces or cross-references 11 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
7805-11110132511013261101331110561511056161045631910463071104971071049710819152081