FWGC 7861-11R-6G Alternator

Brand FWGC 7861-11R-6G
Voltage 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 105
Fits Buick, Cadillac, Chevrolet, GMC, Oldsmobile, and Pontiac · 136 vehicles

105-amp output. Provides the charging capacity needed for higher electrical demand.

Internal regulator. Integrated voltage control simplifies the alternator design.

Serpentine pulley. 6-groove pulley setup matches common belt-drive layouts.

Cross-references BBB Industries 7861-11, 7921-11 and 1101110 for the same application. See all 30.

$90.47Free 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 $90.47
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Alternator Overview

This alternator is built for 12-volt charging systems and delivers 105 amps of output with an internal regulator. It uses a 6-groove serpentine pulley and clockwise rotation, making it a direct match for many GM applications that use the Delco family design.

Key Features

  • 12-volt alternator with 105-amp output
  • Internal regulator for integrated voltage control
  • External fan design for cooling
  • 6-groove pulley for serpentine belt systems
  • Clockwise rotation, right-hand rotation pattern
  • Pulley included for installation readiness
  • Delco family configuration

Fitment Details

Compatible with a wide range of Chevrolet, GMC, Buick, Cadillac, Oldsmobile, and Pontiac applications from 1987-1993. Fits 1991-1993 Chevrolet Caprice, N/A; Fits 1991-1992 Buick Commercial Chassis, N/A; Fits 1991-1992 Buick Roadmaster, N/A; Fits 1991-1992 Cadillac Brougham, N/A; Fits 1991-1992 Chevrolet C1500, N/A; Fits 1991-1992 Chevrolet C2500, N/A; Fits 1991-1992 Chevrolet C3500, N/A; Fits 1991-1992 Chevrolet C3500HD, N/A; Fits 1990-1992 Chevrolet Camaro, N/A; Fits 1991-1992 Chevrolet K1500, N/A; Fits 1991-1992 Chevrolet K2500, N/A; Fits 1991-1992 Chevrolet K3500, N/A; Fits 1991-1992 GMC C1500, N/A; Fits 1991-1992 GMC C2500, N/A; Fits 1991-1992 GMC C3500, N/A; Fits 1991-1992 GMC C3500HD, N/A; Fits 1991-1992 GMC K1500, N/A; Fits 1991-1992 GMC K2500, N/A; Fits 1991-1992 GMC K3500, N/A; Fits 1991-1992 Oldsmobile Custom Cruiser, N/A; Fits 1990-1992 Pontiac Firebird, N/A; Fits 1991 Chevrolet G10, N/A; Fits 1991 Chevrolet G20, N/A; Fits 1991 Chevrolet G30, N/A; Fits 1991 GMC G1500, N/A; Fits 1991 GMC G2500, N/A; Fits 1991 GMC G3500, N/A; Fits 1988-1990 Chevrolet C1500, N/A; Fits 1989-1990 Chevrolet C2500, N/A; Fits 1988-1990 Chevrolet C3500, N/A; Fits 1988-1990 Chevrolet G10, N/A; Fits 1988-1990 Chevrolet G20, N/A; Fits 1988-1990 Chevrolet G30, N/A; Fits 1988-1990 Chevrolet K1500, N/A; Fits 1988-1990 Chevrolet K2500, N/A; Fits 1988-1990 Chevrolet K3500, N/A; Fits 1987-1990 Chevrolet P40, N/A; Fits 1988-1990 GMC C1500, N/A; Fits 1989-1990 GMC C2500, N/A; Fits 1988-1990 GMC C3500, N/A; Fits 1988-1990 GMC G1500, N/A; Fits 1988-1990 GMC G2500, N/A; Fits 1988-1990 GMC G3500, N/A; Fits 1988-1990 GMC K1500, N/A; Fits 1988-1990 GMC K2500, N/A; Fits 1988-1990 GMC K3500, N/A; Fits 1987-1990 GMC P4500, N/A; Fits 1987-1989 Chevrolet Astro, N/A; Fits 1989 Chevrolet C35, N/A; Fits 1987-1989 GMC Safari, N/A; Fits 1988 Chevrolet C2500, N/A; Fits 1988 GMC C2500, N/A; Fits 1987 Chevrolet Blazer, N/A; Fits 1987 Chevrolet G10, N/A; Fits 1987 Chevrolet G20, N/A; Fits 1987 Chevrolet G30, N/A; Fits 1987 Chevrolet R10, N/A; Fits 1987 Chevrolet R10 Suburban, N/A; Fits 1987 Chevrolet R20, N/A; Fits 1987 Chevrolet V10, N/A; Fits 1987 GMC G1500, N/A; Fits 1987 GMC G2500, N/A; Fits 1987 GMC G3500, N/A; Fits 1987 GMC Jimmy, N/A; Fits 1987 GMC R1500, N/A; Fits 1987 GMC R1500 Suburban, N/A; Fits 1987 GMC R2500, N/A; Fits 1987 GMC V1500, N/A.

Common Replacement Uses

  • Restores charging output when the battery is not staying charged
  • Addresses dim lights or electrical instability under load
  • Replaces a worn unit with pulley or regulator wear
  • Supports vehicles that need a 105-amp Delco-style alternator
  • Helps correct charging issues on serpentine-belt applications

Installation Notes

Verify pulley groove count, belt type, rotation direction, and amperage before installation. This unit uses an internal regulator and a clockwise rotation pattern, so matching the original electrical and belt-drive configuration is important for proper operation. Cross-reference part numbers include BBB Industries 7861-11 and 7921-11 for the same application.

Quality Assurance

Power Select alternators are engineered to deliver the amperage needed for modern electrical loads. Proprietary components and manufacturing processes are used to support long service life and consistent performance.

This part fits 136 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
1993ChevroletCaprice5.7LV8100 Amp, 6-Groove Pulley
1992BuickCommercial Chassis——Delco Unit, 100 Amp, 6-Groove Pulley
1992BuickRoadmaster——100 Amp, 6-Groove Pulley
1992CadillacBrougham5.7LV8100 Amp, 6-Groove Pulley
1992ChevroletC15006.2LV8Delco 105 Amp, Also Replaces 100 Amp
1992ChevroletC25006.2LV8Delco 105 Amp, Also Replaces 100 Amp
1992ChevroletC35006.2LV8Delco 105 Amp, Also Replaces 100 Amp
1992ChevroletC3500HD6.2LV8General Motors
1992ChevroletCamaro5.7LV8Delco 105 Amp, Also Replaces 100 Amp
1992ChevroletCaprice5.7LV8100 Amp, 6-Groove Pulley
1992ChevroletK15006.2LV8Delco 105 Amp, Also Replaces 100 Amp
1992ChevroletK25006.2LV8Delco 105 Amp, Also Replaces 100 Amp
1992ChevroletK35006.2LV8Delco 105 Amp, Also Replaces 100 Amp
1992GMCC15006.2LV8Delco 105 Amp, Also Replaces 100 Amp
1992GMCC25006.2LV8Delco 105 Amp, Also Replaces 100 Amp
1992GMCC35006.2LV8Delco 105 Amp, Also Replaces 100 Amp
1992GMCC3500HD6.2LV8General Motors
1992GMCK15006.2LV8Delco 105 Amp, Also Replaces 100 Amp
1992GMCK25006.2LV8Delco 105 Amp, Also Replaces 100 Amp
1992GMCK35006.2LV8Delco 105 Amp, Also Replaces 100 Amp
1992OldsmobileCustom Cruiser5.7LV8100 Amp, 6-Groove Pulley
1992PontiacFirebird5.7LV8Delco 105 Amp, Also Replaces 100 Amp
1991BuickCommercial Chassis——Delco Unit, 100 Amp, 6-Groove Pulley
1991BuickRoadmaster——100 Amp, 6-Groove Pulley
1991CadillacBrougham5.7LV8100 Amp, 6-Groove Pulley
1991ChevroletC15006.2LV8Delco 105 Amp, Also Replaces 100 Amp
1991ChevroletC25006.2LV8Delco 105 Amp, Also Replaces 100 Amp
1991ChevroletC35006.2LV8Delco 105 Amp, Also Replaces 100 Amp
1991ChevroletC3500HD6.2LV8General Motors
1991ChevroletCamaro5.7LV8Delco 105 Amp, Also Replaces 100 Amp
1991ChevroletCaprice5.7LV8100 Amp, 6-Groove Pulley
1991ChevroletG104.3LV6Delco 105 Amp, Also Replaces 100 Amp
1991ChevroletG204.3LV6Delco 105 Amp, Also Replaces 100 Amp
1991ChevroletG304.3LV6Delco 105 Amp, Also Replaces 100 Amp
1991ChevroletK15006.2LV8Delco 105 Amp, Also Replaces 100 Amp
1991ChevroletK25006.2LV8Delco 105 Amp, Also Replaces 100 Amp
1991ChevroletK35006.2LV8Delco 105 Amp, Also Replaces 100 Amp
1991GMCC15006.2LV8Delco 105 Amp, Also Replaces 100 Amp
1991GMCC25006.2LV8Delco 105 Amp, Also Replaces 100 Amp
1991GMCC35006.2LV8Delco 105 Amp, Also Replaces 100 Amp
1991GMCC3500HD6.2LV8General Motors
1991GMCG15004.3LV6Delco 105 Amp, Also Replaces 100 Amp
1991GMCG25004.3LV6Delco 105 Amp, Also Replaces 100 Amp
1991GMCG35004.3LV6Delco 105 Amp, Also Replaces 100 Amp
1991GMCK15006.2LV8Delco 105 Amp, Also Replaces 100 Amp
1991GMCK25006.2LV8Delco 105 Amp, Also Replaces 100 Amp
1991GMCK35006.2LV8Delco 105 Amp, Also Replaces 100 Amp
1991OldsmobileCustom Cruiser——100 Amp, 6-Groove Pulley
1991PontiacFirebird5.7LV8Delco 105 Amp, Also Replaces 100 Amp
1990ChevroletC15006.2LV8w/AC, Std, 100 Amp, wo/AC
1990ChevroletC25006.2LV8w/AC, Std, 100 Amp, wo/AC
1990ChevroletC35006.2LV8w/AC, Std, 100 Amp, wo/AC
1990ChevroletCamaro5.7LV8Delco 105 Amp, Also Replaces 100 Amp
1990ChevroletG104.3LV6100 Amp, 6-Groove Pulley
1990ChevroletG204.3LV6100 Amp, 6-Groove Pulley
1990ChevroletG304.3LV6100 Amp, 6-Groove Pulley
1990ChevroletK15006.2LV8w/AC, Std, 100 Amp, wo/AC
1990ChevroletK25006.2LV8w/AC, Std, 100 Amp, wo/AC
1990ChevroletK35006.2LV8w/AC, Std, 100 Amp, wo/AC
1990ChevroletP404.3LV6Delco CS130 IR/EF 12V 105A CW S6
1990GMCC15006.2LV8w/AC, Std, 100 Amp, wo/AC
1990GMCC25006.2LV8w/AC, Std, 100 Amp, wo/AC
1990GMCC35006.2LV8w/AC, Std, 100 Amp, wo/AC
1990GMCG15004.3LV6100 Amp, 6-Groove Pulley
1990GMCG25004.3LV6100 Amp, 6-Groove Pulley
1990GMCG35004.3LV6100 Amp, 6-Groove Pulley
1990GMCK15006.2LV8w/AC, Std, 100 Amp, wo/AC
1990GMCK25006.2LV8w/AC, Std, 100 Amp, wo/AC
1990GMCK35006.2LV8w/AC, Std, 100 Amp, wo/AC
1990GMCP45004.3LV6—
1990PontiacFirebird5.7LV8Delco 105 Amp, Also Replaces 100 Amp
1989ChevroletAstro4.3LV6w/AC, 100 Amp, 6-Groove Pulley
1989ChevroletC15006.2LV8w/AC, Std, 100 Amp, wo/AC
1989ChevroletC25006.2LV8w/AC, Std, 100 Amp, wo/AC
1989ChevroletC35——Mexico
1989ChevroletC35006.2LV8w/AC, Std, 100 Amp, wo/AC
1989ChevroletG104.3LV6100 Amp, 6-Groove Pulley
1989ChevroletG204.3LV6100 Amp, 6-Groove Pulley
1989ChevroletG304.3LV6100 Amp, 6-Groove Pulley
1989ChevroletK15006.2LV8w/AC, Std, 100 Amp, wo/AC
1989ChevroletK25006.2LV8w/AC, Std, 100 Amp, wo/AC
1989ChevroletK35006.2LV8w/AC, Std, 100 Amp, wo/AC
1989ChevroletP404.3LV6Delco CS130 IR/EF 12V 105A CW S6
1989GMCC15006.2LV8w/AC, Std, 100 Amp, wo/AC
1989GMCC25006.2LV8w/AC, Std, 100 Amp, wo/AC
1989GMCC35006.2LV8w/AC, Std, 100 Amp, wo/AC
1989GMCG15004.3LV6100 Amp, 6-Groove Pulley
1989GMCG25004.3LV6100 Amp, 6-Groove Pulley
1989GMCG35004.3LV6100 Amp, 6-Groove Pulley
1989GMCK15006.2LV8w/AC, Std, 100 Amp, wo/AC
1989GMCK25006.2LV8w/AC, Std, 100 Amp, wo/AC
1989GMCK35006.2LV8w/AC, Std, 100 Amp, wo/AC
1989GMCP45004.3LV6—
1989GMCSafari4.3LV6w/AC, 100 Amp, 6-Groove Pulley
1988ChevroletAstro4.3LV6w/AC, 100 Amp, 6-Groove Pulley
1988ChevroletC15006.2LV8w/AC, Std, 100 Amp, wo/AC
1988ChevroletC25006.2LV8wo/AC 85 Amp or w/AC 100 Amp, Supplied with 105 Amp
1988ChevroletC35006.2LV8w/AC, Std, 100 Amp, wo/AC
1988ChevroletG104.3LV6100 Amp, 6-Groove Pulley
1988ChevroletG204.3LV6100 Amp, 6-Groove Pulley
1988ChevroletG304.3LV6100 Amp, 6-Groove Pulley
1988ChevroletK15006.2LV8w/AC, Std, 100 Amp, wo/AC
1988ChevroletK25006.2LV8w/AC, Std, 100 Amp, wo/AC
1988ChevroletK35006.2LV8w/AC, Std, 100 Amp, wo/AC
1988ChevroletP404.3LV6Delco CS130 IR/EF 12V 105A CW S6
1988GMCC15006.2LV8w/AC, Std, 100 Amp, wo/AC
1988GMCC25006.2LV8wo/AC 85 Amp or w/AC 100 Amp, Supplied with 105 Amp
1988GMCC35006.2LV8w/AC, Std, 100 Amp, wo/AC
1988GMCG15004.3LV6100 Amp, 6-Groove Pulley
1988GMCG25004.3LV6100 Amp, 6-Groove Pulley
1988GMCG35004.3LV6100 Amp, 6-Groove Pulley
1988GMCK15006.2LV8w/AC, Std, 100 Amp, wo/AC
1988GMCK25006.2LV8w/AC, Std, 100 Amp, wo/AC
1988GMCK35006.2LV8w/AC, Std, 100 Amp, wo/AC
1988GMCP45004.3LV6—
1988GMCSafari4.3LV6w/AC, 100 Amp, 6-Groove Pulley
1987ChevroletAstro4.3LV6w/AC, 100 Amp, 6-Groove Pulley
1987ChevroletBlazer5.0LV8100 Amp, 6-Groove Pulley
1987ChevroletG104.3LV6w/4-Pin Alt Plug, 100 Amp, 6-Groove Pulley
1987ChevroletG204.3LV6w/4-Pin Alt Plug, 100 Amp, 6-Groove Pulley
1987ChevroletG304.3LV6w/4-Pin Alt Plug, 100 Amp, 6-Groove Pulley
1987ChevroletP404.3LV6Delco CS130 IR/EF 12V 105A CW S6
1987ChevroletR104.3LV6w/4-Pin Alt Plug, 6-Groove Pulley, 100 Amp
1987ChevroletR10 Suburban5.0LV8w/4-Pin Alt Plug, 6-Groove Pulley, 100 Amp
1987ChevroletR204.3LV6w/4-Pin Alt Plug, 6-Groove Pulley, 100 Amp
1987ChevroletV104.3LV6w/4-Pin Alt Plug, 6-Groove Pulley, 100 Amp
1987GMCG15004.3LV6w/4-Pin Alt Plug, Opt, 100 Amp, 6-Groove Pulley
1987GMCG25004.3LV6w/4-Pin Alt Plug, Opt, 100 Amp, 6-Groove Pulley
1987GMCG35004.3LV6w/4-Pin Alt Plug, Opt, 100 Amp, 6-Groove Pulley
1987GMCJimmy5.0LV8w/4-Pin Alt Plug, Opt, 100 Amp
1987GMCP45004.3LV6—
1987GMCR15004.3LV6w/4-Pin Alt Plug, 6-Groove Pulley, 100 Amp
1987GMCR1500 Suburban5.0LV8w/4-Pin Alt Plug, 6-Groove Pulley, 100 Amp
1987GMCR25004.3LV6w/4-Pin Alt Plug, 6-Groove Pulley, 100 Amp
1987GMCSafari4.3LV6w/AC, 100 Amp, 6-Groove Pulley
1987GMCV15004.3LV6w/4-Pin Alt Plug, 6-Groove Pulley, 100 Amp
Directly replaces or cross-references 30 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
BBB Industries — 7861-117921-11110111011011111101599110160011016321101633110164511016461101647110571111057151046300110463002104630441046304510463104104631481046314910463158104631721046318110463212104633391046336810479906104799121047999410479997