Finish Selecting Your Vehicle to Shop For Your Alternator

Choose a Year for your GMC R3500 's Alternator

  • 1991
  • 1990
  • 1989
  • 1988
  • 1987

Shop By Brand

The Following brands are available based on your search.

  • ACDelco
    ACDelco
  • BBB Industries
    BBB Industries
  • Bosch
    Bosch
  • CARQUEST
    CARQUEST
  • Holley
    Holley
  • MPA
    MPA
  • MSD
    MSD
  • OE+
    OE+
  • Powermaster
    Powermaster
  • Proform
    Proform
  • Remy
    Remy
  • Tuff Stuff Performance Accessories
    Tuff Stuff Performance Accessories
  • WAI Global
    WAI Global

Shop for Top Selling Genuine Gmc R3500 Alternators

  • We Stock the following top leading brands, including ACDelco, Powermaster
  • Constantly Updated Inventory of Gmc R3500 Replacement Alternator Parts

ACDelco
1989 GMC R3500 Alternator 8 Cyl 7.4L ACDelco

P311-0FFB74A    W0133-2057000  New

Qty:
In Stock & Ready to Ship
$23.00 $198.38
ACDelco Alternator
  • Gold Remanufactured
Brand: ACDelco
Additional Fitment Information:
Vehicle Block Engine CID CC
1989 - GMC R3500 V 8 Cyl 7.4L 454 -
ACDelco
Qty:
In Stock & Ready to Ship
$35.60
ACDelco Alternator  Fan and Alternator
  • Professional Standard
Brand: ACDelco
Position: Fan and Alternator
Additional Fitment Information:
Vehicle Fuel Type Position Block Engine
1991 - GMC R3500 GAS Fan and Alternator V 8 Cyl 7.4L
Powermaster
1987 GMC R3500 Alternator 8 Cyl 5.7L Powermaster - Alternator

P311-4882494    378021  New

Qty:
In Stock & Ready to Ship
$249.36
Powermaster Alternator
  • CS130; Straight Mounting; 140 Amp; 95 Idle; 1V Pulley; Chrome
  • Alternator; CS130; Straight Mounting; 140 Amp; 95 Idle; 1V Pulley; Chrome;
  • Alternator
  • Product Attributes:
    • Amperage: 140 Amp
  • Features:
    • Highly Efficient Small Case Alternator
    • 140 Plus Amps At Top End/95 Plus Amps At Idle
    • One Unit For 1 Or 3 Wire Operation
    • Individually Dyno Tested with Proof of Performance Guarantee
    • High Output Replacement For Lower Amp Units
    • Smooth Back Design
  • Powermaster has a variety of alternators available for various applications.
Brand: Powermaster
Additional Fitment Information:
Vehicle Engine VIN Fuel Delivery Type Block Engine CID CC
1987 - GMC R3500 K FI V 8 Cyl 5.7L 350 -
Powermaster
1990 GMC R3500 Alternator 8 Cyl 6.2L Powermaster - Alternator

P311-2030462    378611  New

Qty:
In Stock & Ready to Ship
$249.36
Powermaster Alternator
  • CS130; Offset Left; Rear Battery Post; 140 Amp; 95 Idle; 1V Pulley; Chrome
  • Alternator; CS130; Offset Left; Rear Battery Post; 140 Amp; 95 Idle; 1V Pulley; Chrome;
  • Alternator
  • Product Attributes:
    • Amperage: 140 Amp
  • Features:
    • Highly Efficient Small Case Alternator
    • 140 Plus Amps At Top End/95 Plus Amps At Idle
    • One Unit For 1 Or 3 Wire Operation
    • Individually Dyno Tested with Proof of Performance Guarantee
    • High Output Replacement For Lower Amp Units
    • Smooth Back Design
  • Powermaster has a variety of alternators available for various applications.
Brand: Powermaster
Additional Fitment Information:
Vehicle Block Engine CID CC
1990 - GMC R3500 V 8 Cyl 6.2L 379 -
Powermaster
1990 GMC R3500 Alternator 8 Cyl 7.4L Powermaster - Alternator

P311-2988710    178021  New

Qty:
In Stock & Ready to Ship
$224.63
Powermaster Alternator
  • CS130; Straight Mounting; 105 Amp; 85 Idle; 1V Pulley; Chrome
  • Alternator; CS130; Straight Mounting; 105 Amp; 85 Idle; 1V Pulley; Chrome;
  • Alternator
  • Product Attributes:
    • Amperage: 105 Amp
  • Features:
    • Highly Efficient Small Case Alternator
    • 105 Plus Amps At Top End/85 Plus Amps At Idle
    • One Unit For 1 Or 3 Wire Operation
    • Individually Dyno Tested with Proof of Performance Guarantee
    • Great Upgrade To Replace Lower Amp Units
    • Smooth Back Design
  • Powermaster has a variety of alternators available for various applications.
Brand: Powermaster
Additional Fitment Information:
Vehicle Block Engine CID CC
1990 - GMC R3500 V 8 Cyl 7.4L 454 -
Powermaster
1987 GMC R3500 Alternator 8 Cyl 5.7L Powermaster - Alternator

P311-39476DC    67293  New

Qty:
In Stock & Ready to Ship
$213.89
Powermaster Alternator
  • 12si; 150 Amp; 100 Idle; 1V Pulley; Polished
  • Alternator; 12si; 150 Amp; 100 Idle; 1V Pulley; Polished;
  • Alternator
  • Product Attributes:
    • Amperage: 150 Amp
  • Features:
    • Most Popular Classic Look
    • 150 Plus Amps At Top End/100 Plus Amps At Idle
    • One Unit For 1 Or 3 Wire Operation
    • Individually Dyno Tested with Proof of Performance Guarantee
    • High Output Replacement For Early 10DN/10SI/12SI Alternators
  • Powermaster has a variety of alternators available for various applications.
Brand: Powermaster
Additional Fitment Information:
Vehicle Engine VIN Fuel Delivery Type Block Engine CID CC
1987 - GMC R3500 K FI V 8 Cyl 5.7L 350 -
Powermaster
1990 GMC R3500 Alternator 8 Cyl 5.7L Powermaster - Alternator

P311-08178BF    37461  New

Qty:
In Stock & Ready to Ship
$273.00
Powermaster Alternator
  • CS130 Offset Left; Side Battery Post; 140 Amp; 95 Idle; 6 Groove Pulley; Chrome
  • Alternator; CS130 Offset Left; Side Battery Post; 140 Amp; 95 Idle; 6 Groove Pulley; Chrome;
  • Alternator
  • Product Attributes:
    • Amperage: 140 Amp
  • Features:
    • Highly Efficient Small Case Alternator
    • 140 Plus Amps At Top End/95 Plus Amps At Idle
    • One Unit For 1 Or 3 Wire Operation
    • Individually Dyno Tested with Proof of Performance Guarantee
    • Compact Design With Unique Side Battery Post To Snug It Up
    • Smooth Back Design
  • Powermaster has a variety of alternators available for various applications.
Brand: Powermaster
Additional Fitment Information:
Vehicle Block Engine CID CC
1990 - GMC R3500 V 8 Cyl 5.7L 350 -
Powermaster
1987 GMC R3500 Alternator 8 Cyl 6.2L Powermaster - Alternator

P311-59AA107    57293  New

Qty:
In Stock & Ready to Ship
$208.51
  • 12si; 150 Amp; 100 Idle; 1V Pulley; Black
  • Alternator; 12si; 150 Amp; 100 Idle; 1V Pulley; Black;
  • Alternator
  • Product Attributes:
    • Amperage: 150 Amp
  • Features:
    • Most Popular Classic Look
    • 150 Plus Amps At Top End/100 Plus Amps At Idle
    • One Unit For 1 Or 3 Wire Operation
    • Individually Dyno Tested with Proof of Performance Guarantee
    • High Output Replacement For Early 10DN/10SI/12SI Alternators
  • Powermaster has a variety of alternators available for various applications.
Brand: Powermaster
Additional Fitment Information:
Vehicle Block Engine CID CC
1987 - GMC R3500 V 8 Cyl 6.2L 379 -
Powermaster
1991 GMC R3500 Alternator 8 Cyl 7.4L Powermaster - Alternator

P311-29218B9    578021  New

Qty:
In Stock & Ready to Ship
$228.93
Powermaster Alternator
  • CS130; Straight Mounting; 140 Amp; 95 Idle; 1V Pulley; Black
  • Alternator; CS130; Straight Mounting; 140 Amp; 95 Idle; 1V Pulley; Black;
  • Alternator
  • Product Attributes:
    • Amperage: 140 Amp
  • Features:
    • Highly Efficient Small Case Alternator
    • 140 Plus Amps At Top End/95 Plus Amps At Idle
    • One Unit For 1 Or 3 Wire Operation
    • Individually Dyno Tested with Proof of Performance Guarantee
    • High Output Replacement For Lower Amp Units
    • Smooth Back Design
  • Powermaster has a variety of alternators available for various applications.
Brand: Powermaster
Additional Fitment Information:
Vehicle Block Engine CID CC
1991 - GMC R3500 V 8 Cyl 7.4L 454 -
Powermaster
1988 GMC R3500 Alternator 8 Cyl 5.7L Powermaster - Alternator

P311-1D5916A    57294  New

Qty:
In Stock & Ready to Ship
$213.89
Powermaster Alternator
  • 12si; 150 Amp; 100 Idle; 1V; Baffle; Black
  • Alternator; 12si; 150 Amp; 100 Idle; 1V; Baffle; Black;
  • Alternator
  • Product Attributes:
    • Amperage: 150 Amp
  • Features:
    • Most Popular Classic Look
    • 150 Plus Amps At Top End/100 Plus Amps At Idle
    • One Unit For 1 Or 3 Wire Operation
    • Individually Dyno Tested with Proof of Performance Guarantee
    • High Output Replacement For Early 10DN/10SI/12SI Alternators
  • Powermaster has a variety of alternators available for various applications.
Brand: Powermaster
Additional Fitment Information:
Vehicle Engine VIN Fuel Delivery Type Block Engine CID CC
1988 - GMC R3500 M CARB V 8 Cyl 5.7L 350 -
Powermaster
1990 GMC R3500 Alternator 8 Cyl 5.7L Powermaster - Alternator

P311-0F4729E    27861  New

Qty:
In Stock & Ready to Ship
$224.63
Powermaster Alternator
  • CS130; Offset Left; Rear Battery Post; 105 Amp; 85 Idle; 6 Groove Pulley; Polished
  • Alternator; CS130; Offset Left; Rear Battery Post; 105 Amp; 85 Idle; 6 Groove Pulley; Polished;
  • Alternator
  • Product Attributes:
    • Amperage: 105 Amp
  • Features:
    • Highly Efficient Small Case Alternator
    • 105 Plus Amps At Top End/85 Plus Amps At Idle
    • One Unit For 1 Or 3 Wire Operation
    • Individually Dyno Tested with Proof of Performance Guarantee
    • Great Upgrade To Replace Lower Amp Units
    • Smooth Back Design
  • Powermaster has a variety of alternators available for various applications.
Brand: Powermaster
Additional Fitment Information:
Vehicle Block Engine CID CC
1990 - GMC R3500 V 8 Cyl 5.7L 350 -
Powermaster
1990 GMC R3500 Alternator 8 Cyl 7.4L Powermaster - Alternator

P311-12B3A17    67294  New

Qty:
In Stock & Ready to Ship
$272.14
Powermaster Alternator
  • 12si; 150 Amp; 100 Idle; 1V; Baffle And Cone; Polished
  • Alternator; 12si; 150 Amp; 100 Idle; 1V; Baffle And Cone; Polished;
  • Alternator
  • Product Attributes:
    • Amperage: 150 Amp
  • Features:
    • Most Popular Classic Look
    • 150 Plus Amps At Top End/100 Plus Amps At Idle
    • One Unit For 1 Or 3 Wire Operation
    • Individually Dyno Tested with Proof of Performance Guarantee
    • High Output Replacement For Early 10DN/10SI/12SI Alternators
  • Powermaster has a variety of alternators available for various applications.
Brand: Powermaster
Additional Fitment Information:
Vehicle Block Engine CID CC
1990 - GMC R3500 V 8 Cyl 7.4L 454 -
Powermaster
1987 GMC R3500 Alternator 8 Cyl 5.7L Powermaster - Alternator

P311-2E7CE4A    47293  New

Qty:
In Stock & Ready to Ship
$234.87
Powermaster Alternator
  • 12si; 150 Amp; 100 Idle; 1V Pulley; Natural
  • Alternator; 12si; 150 Amp; 100 Idle; 1V Pulley; Natural;
  • Alternator
  • Product Attributes:
    • Amperage: 150 Amp
  • Features:
    • Most Popular Classic Look
    • 150 Plus Amps At Top End/100 Plus Amps At Idle
    • One Unit For 1 Or 3 Wire Operation
    • Individually Dyno Tested with Proof of Performance Guarantee
    • High Output Replacement For Early 10DN/10SI/12SI Alternators
  • Powermaster has a variety of alternators available for various applications.
Brand: Powermaster
Additional Fitment Information:
Vehicle Engine VIN Fuel Delivery Type Block Engine CID CC
1987 - GMC R3500 K FI V 8 Cyl 5.7L 350 -
Powermaster
1991 GMC R3500 Alternator 8 Cyl 5.7L Powermaster - Alternator

P311-57E6F4C    474611  New

Qty:
In Stock & Ready to Ship
$224.63
Powermaster Alternator
  • CS130 Offset Left; Side Battery Post; 140 Amp; 95 Idle; 1V Pulley; Natural
  • Alternator; CS130 Offset Left; Side Battery Post; 140 Amp; 95 Idle; 1V Pulley; Natural;
  • Alternator
  • Product Attributes:
    • Amperage: 140 Amp
  • Features:
    • Highly Efficient Small Case Alternator
    • 140 Plus Amps At Top End/95 Plus Amps At Idle
    • One Unit For 1 Or 3 Wire Operation
    • Individually Dyno Tested with Proof of Performance Guarantee
    • Compact Design With Unique Side Battery Post To Snug It Up
    • Smooth Back Design
  • Powermaster has a variety of alternators available for various applications.
Brand: Powermaster
Additional Fitment Information:
Vehicle Block Engine CID CC
1991 - GMC R3500 V 8 Cyl 5.7L 350 -
Powermaster
1990 GMC R3500 Alternator 8 Cyl 5.7L Powermaster - Alternator

P311-2B5216A    17802  New

Qty:
In Stock & Ready to Ship
$277.33
Powermaster Alternator
  • CS130; Straight Mounting; 105 Amp; 85 Idle; 6 Groove Pulley; Chrome
  • Alternator; CS130; Straight Mounting; 105 Amp; 85 Idle; 6 Groove Pulley; Chrome;
  • Alternator
  • Product Attributes:
    • Amperage: 105 Amp
  • Features:
    • Highly Efficient Small Case Alternator
    • 105 Plus Amps At Top End/85 Plus Amps At Idle
    • One Unit For 1 Or 3 Wire Operation
    • Individually Dyno Tested with Proof of Performance Guarantee
    • Great Upgrade To Replace Lower Amp Units
    • Smooth Back Design
  • Powermaster has a variety of alternators available for various applications.
Brand: Powermaster
Additional Fitment Information:
Vehicle Block Engine CID CC
1990 - GMC R3500 V 8 Cyl 5.7L 350 -
Powermaster
1989 GMC R3500 Alternator 8 Cyl 7.4L Powermaster - XS Volt™ Hi Amp Alternator

P311-202A518    578028  New

Qty:
In Stock & Ready to Ship
$253.65
  • CS130; Straight Mounting; 140 Amp; 95 Idle; 6 Groove Pulley; Black
  • XS Volt™ Hi Amp Alternator; CS130; Straight Mounting; 140 Amp; 95 Idle; 6 Groove Pulley; Black;
  • XS Volt™ Hi Amp Alternator
  • Product Attributes:
    • Amperage: 140 Amp
  • Features:
    • XS Volt™ Unique Voltage Control System
    • 140 Plus Amps At Top End/95 Plus Amps At Idle
    • User Adjustable Voltage Set Point Between 13.5-18.5 Volts
    • Individually Dyno Tested with Proof of Performance Guarantee
    • Great for 12V/14V And 16V Systems
    • Instructions For All of the XS Volt™ Features Included
    • Smooth Back Design
  • Newly designed voltage regulator. Change voltage adjustment while running. Power saving mode, two operating levels. Indicator light drive. Entire circuit sealed in epoxy.
Brand: Powermaster
Additional Fitment Information:
Vehicle Engine Designation Engine VIN Fuel Delivery Type Block Engine CID CC
1989 - GMC R3500 L19 N FI V 8 Cyl 7.4L 454 -
Powermaster
1989 GMC R3500 Alternator 8 Cyl 7.4L Powermaster - XS Volt™ Hi Amp Alternator

P311-43B2493    478028  New

Qty:
In Stock & Ready to Ship
$228.93
Powermaster Alternator
  • CS130; Straight Mounting; 140 Amp; 95 Idle; 6 Groove Pulley; Natural
  • XS Volt™ Hi Amp Alternator; CS130; Straight Mounting; 140 Amp; 95 Idle; 6 Groove Pulley; Natural;
  • XS Volt™ Hi Amp Alternator
  • Product Attributes:
    • Amperage: 140 Amp
  • Features:
    • XS Volt™ Unique Voltage Control System
    • 140 Plus Amps At Top End/95 Plus Amps At Idle
    • User Adjustable Voltage Set Point Between 13.5-18.5 Volts
    • Individually Dyno Tested with Proof of Performance Guarantee
    • Great for 12V/14V And 16V Systems
    • Instructions For All of the XS Volt™ Features Included
    • Smooth Back Design
  • Newly designed voltage regulator. Change voltage adjustment while running. Power saving mode, two operating levels. Indicator light drive. Entire circuit sealed in epoxy.
Brand: Powermaster
Additional Fitment Information:
Vehicle Engine VIN Fuel Delivery Type Block Engine CID CC
1989 - GMC R3500 W CARB V 8 Cyl 7.4L 454 -
Powermaster
1988 GMC R3500 Alternator 8 Cyl 7.4L Powermaster - Alternator

P311-0CEED37    478021  New

Qty:
In Stock & Ready to Ship
$203.14
Powermaster Alternator
  • CS130; Straight Mounting; 140 Amp; 95 Idle; 1V Pulley; Natural
  • Alternator; CS130; Straight Mounting; 140 Amp; 95 Idle; 1V Pulley; Natural;
  • Alternator
  • Product Attributes:
    • Amperage: 140 Amp
  • Features:
    • Highly Efficient Small Case Alternator
    • 140 Plus Amps At Top End/95 Plus Amps At Idle
    • One Unit For 1 Or 3 Wire Operation
    • Individually Dyno Tested with Proof of Performance Guarantee
    • High Output Replacement For Lower Amp Units
    • Smooth Back Design
  • Powermaster has a variety of alternators available for various applications.
Brand: Powermaster
Additional Fitment Information:
Vehicle Engine Designation Engine VIN Fuel Delivery Type Block Engine CID CC
1988 - GMC R3500 L19 N FI V 8 Cyl 7.4L 454 -
Powermaster
1989 GMC R3500 Alternator 8 Cyl 5.7L Powermaster - Alternator

P311-17C474D    7294  New

Qty:
In Stock & Ready to Ship
$160.15
Powermaster Alternator
  • 12si; 100 Amp; 75 Idle; 1V; OE Look; Natural
  • Alternator; 12si; 100 Amp; 75 Idle; 1V; OE Look; Natural;
  • Alternator
  • Product Attributes:
    • Amperage: 100 Amp
  • Features:
    • Most Popular Classic Look
    • 100 Plus Amps At Top End/75 Plus Amps At Idle
    • One Unit For 1 Or 3 Wire Operation
    • Individually Dyno Tested with Proof of Performance Guarantee
    • Great Upgrade To Replace Lower Amp Units
  • Powermaster has a variety of alternators available for various applications.
Brand: Powermaster
Additional Fitment Information:
Vehicle Block Engine CID CC
1989 - GMC R3500 V 8 Cyl 5.7L 350 -
Powermaster
1988 GMC R3500 Alternator 8 Cyl 5.7L Powermaster - Alternator

P311-30FB631    47294  New

Qty:
In Stock & Ready to Ship
$191.29
Powermaster Alternator
  • 12si; 150 Amp; 100 Idle; 1V; Baffle; Natural
  • Alternator; 12si; 150 Amp; 100 Idle; 1V; Baffle; Natural;
  • Alternator
  • Product Attributes:
    • Amperage: 150 Amp
  • Features:
    • Most Popular Classic Look
    • 150 Plus Amps At Top End/100 Plus Amps At Idle
    • One Unit For 1 Or 3 Wire Operation
    • Individually Dyno Tested with Proof of Performance Guarantee
    • High Output Replacement For Early 10DN/10SI/12SI Alternators
  • Powermaster has a variety of alternators available for various applications.
Brand: Powermaster
Additional Fitment Information:
Vehicle Engine VIN Fuel Delivery Type Block Engine CID CC
1988 - GMC R3500 M CARB V 8 Cyl 5.7L 350 -