1991 GMC P3500 Alternators
Save up to 40% on original replacement 1991 GMC P3500 Alternators. Navigate our online catalogue to find Alternators and other parts designed specifically to fit a 1991 GMC P3500.








Alternator
Core charge: $25.00
$150.53
Limited Stock
Ships: Today, Sep. 22nd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: Remanufactured
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.9L 239ci L4 (4.02x4.72; 102.0x120.0);
Engine Base: 3.9L 239ci L4 (4.02x4.72; 102.0x120.0);







Alternator
Core charge: $25.00
$144.33
In Stock
Ships: Today, Sep. 22nd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: Remanufactured
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
P32 Chassis, Standard, w/ 105 amp alt.
P32 Chassis, Standard, w/ 105 amp alt.





Alternator
$347.65
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.2L 379ci V8 (3.98x3.82; 101.0x97.0);
Engine Base: 6.2L 379ci V8 (3.98x3.82; 101.0x97.0);
Vehicle Fitment Notes:
Delco 21SI , 130A Series
Delco 21SI , 130A Series





Alternator
$204.08
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
P32 Chassis, Std
P32 Chassis, Std

Alternator
$202.17
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.9L 239ci L4 (4.02x4.72; 102.0x120.0);
Engine Base: 3.9L 239ci L4 (4.02x4.72; 102.0x120.0);
Vehicle Fitment Notes:
Std. Unit
Std. Unit

Alternator
$233.75
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.9L 239ci L4 (4.02x4.72; 102.0x120.0);
Engine Base: 3.9L 239ci L4 (4.02x4.72; 102.0x120.0);
Vehicle Fitment Notes:
w/66A
w/66A

Alternator
$170.66
Limited Stock
Ships: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.9L 239ci L4 (4.02x4.72; 102.0x120.0);
Engine Base: 3.9L 239ci L4 (4.02x4.72; 102.0x120.0);
Vehicle Fitment Notes:
Opt. Service Unit, DR 12SI, CW, 94 Amp, Self Excite 1 Wire Aftermarket Design
Opt. Service Unit, DR 12SI, CW, 94 Amp, Self Excite 1 Wire Aftermarket Design

Alternator
$225.86
Limited Stock
Ships: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4);
Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4);
Vehicle Fitment Notes:
105 Amp
105 Amp

Alternator
$225.86
Limited Stock
Ships: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4);
Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4);
Vehicle Fitment Notes:
85 Amp
85 Amp

Alternator
$225.86
Limited Stock
Ships: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
Opt, 105 Amp
Opt, 105 Amp

Alternator
$225.86
Limited Stock
Ships: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
Std, 85 Amp
Std, 85 Amp

Alternator
$225.86
Limited Stock
Ships: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.2L 379ci V8 (3.98x3.82; 101.0x97.0);
Engine Base: 6.2L 379ci V8 (3.98x3.82; 101.0x97.0);
Vehicle Fitment Notes:
P42 Chassis, Opt, 105 Amp
P42 Chassis, Opt, 105 Amp

Alternator
$226.67
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
P42, P52, P62 Chassis - Std
P42, P52, P62 Chassis - Std

Alternator
$347.65
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle Fitment Notes:
Caterpillar 3116 w/100A
Caterpillar 3116 w/100A

Alternator
$347.65
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle Fitment Notes:
DD 8.2L (N, T) w/105A
DD 8.2L (N, T) w/105A

Alternator
$347.65
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.2L 379ci V8 (3.98x3.82; 101.0x97.0);
Engine Base: 6.2L 379ci V8 (3.98x3.82; 101.0x97.0);
Vehicle Fitment Notes:
130A Series Delco 21SI
130A Series Delco 21SI

Alternator
$204.08
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
P32 Chassis, Std
P32 Chassis, Std


Alternator
$202.17
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.9L 239ci L4 (4.02x4.72; 102.0x120.0);
Engine Base: 3.9L 239ci L4 (4.02x4.72; 102.0x120.0);
Vehicle Fitment Notes:
Std. Unit
Std. Unit


Alternator
$233.75
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.9L 239ci L4 (4.02x4.72; 102.0x120.0);
Engine Base: 3.9L 239ci L4 (4.02x4.72; 102.0x120.0);
Vehicle Fitment Notes:
w/66A
w/66A


Alternator
$170.66
Limited Stock
Ships: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.9L 239ci L4 (4.02x4.72; 102.0x120.0);
Engine Base: 3.9L 239ci L4 (4.02x4.72; 102.0x120.0);
Vehicle Fitment Notes:
Opt. Service Unit, DR 12SI, CW, 94 Amp, Self Excite 1 Wire Aftermarket Design
Opt. Service Unit, DR 12SI, CW, 94 Amp, Self Excite 1 Wire Aftermarket Design


Alternator
$225.86
Limited Stock
Ships: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4);
Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4);
Vehicle Fitment Notes:
105 Amp, 85 Amp
105 Amp, 85 Amp


Alternator
$225.86
Limited Stock
Ships: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4);
Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4);
Vehicle Fitment Notes:
With 85 Amp or 105 Amp Unit, Supplied as 105 Amp
With 85 Amp or 105 Amp Unit, Supplied as 105 Amp


Alternator
$225.86
Limited Stock
Ships: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
Opt, 105 Amp, Std, 85 Amp
Opt, 105 Amp, Std, 85 Amp


Alternator
$225.86
Limited Stock
Ships: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
With 85 Amp or 105 Amp Unit, Supplied as 105 Amp
With 85 Amp or 105 Amp Unit, Supplied as 105 Amp


Alternator
$226.67
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
P42, P52, P62 Chassis - Std
P42, P52, P62 Chassis - Std







Alternator
$161.35
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.9L 239ci L4 (4.02x4.72; 102.0x120.0);
Engine Base: 3.9L 239ci L4 (4.02x4.72; 102.0x120.0);







Alternator
Condition: Remanufactured
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.2L 379ci V8 (3.98x3.82; 101.0x97.0);
Engine Base: 6.2L 379ci V8 (3.98x3.82; 101.0x97.0);
Vehicle Fitment Notes:
42 chassis, Standard, w/ 105 amp
42 chassis, Standard, w/ 105 amp







Alternator
Condition: Remanufactured
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
P42, 52, 62 Chassis, Standard, w/ 105 amp alt
P42, 52, 62 Chassis, Standard, w/ 105 amp alt







Alternator
$250.25
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
P42, 52, 62 Chassis, Standard, w/ 105 amp alt
P42, 52, 62 Chassis, Standard, w/ 105 amp alt







Alternator
Condition: Remanufactured
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4);
Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4);
Vehicle Fitment Notes:
w/ 105 Amp Alt.
w/ 105 Amp Alt.







Alternator
Condition: Remanufactured
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
Optional, w/ 105 amp alt.
Optional, w/ 105 amp alt.







Alternator
Condition: Remanufactured
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4);
Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4);
Vehicle Fitment Notes:
w/ 85 amp alt.
w/ 85 amp alt.







Alternator
Condition: Remanufactured
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
Standard, w/ 85 amp alt.
Standard, w/ 85 amp alt.







Alternator
Condition: Remanufactured
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.2L 379ci V8 (3.98x3.82; 101.0x97.0);
Engine Base: 6.2L 379ci V8 (3.98x3.82; 101.0x97.0);
Vehicle Fitment Notes:
42 chassis, Optional, w/ 120 amp
42 chassis, Optional, w/ 120 amp







Alternator
Condition: Remanufactured
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
P42, 52, 62, Chassis, Optional, w/ 120 amp alt.
P42, 52, 62, Chassis, Optional, w/ 120 amp alt.







Alternator
Condition: Remanufactured
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
P32 Chassis, Optional, w/ 120 amp alt.
P32 Chassis, Optional, w/ 120 amp alt.







Alternator
Condition: Remanufactured
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.2L 379ci V8 (3.98x3.82; 101.0x97.0);
Engine Base: 6.2L 379ci V8 (3.98x3.82; 101.0x97.0);
Vehicle Fitment Notes:
P32 Chassis
P32 Chassis







Alternator
$165.05
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4);
Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4);
Vehicle Fitment Notes:
w/ 105 Amp Alt.
w/ 105 Amp Alt.







Alternator
$165.05
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
Optional, w/ 105 amp alt.
Optional, w/ 105 amp alt.


Alternator
$337.91
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.9L 239ci L4 (4.02x4.72; 102.0x120.0);
Engine Base: 3.9L 239ci L4 (4.02x4.72; 102.0x120.0);
Vehicle Fitment Notes:
Opt. Service Unit, DR 12SI, CW, 94 Amp, Self Excite 1 Wire Aftermarket Design, Chrome Finish
Opt. Service Unit, DR 12SI, CW, 94 Amp, Self Excite 1 Wire Aftermarket Design, Chrome Finish


Alternator
$314.87
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4);
Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4);
Vehicle Fitment Notes:
180 Amp Aftermarket Upgrade
180 Amp Aftermarket Upgrade


Alternator
$314.87
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
180 Amp Aftermarket Upgrade
180 Amp Aftermarket Upgrade


Alternator
$441.59
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle Fitment Notes:
Caterpillar 3116 DR 20SI, 60A
Caterpillar 3116 DR 20SI, 60A


Alternator
$337.91
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.9L 239ci L4 (4.02x4.72; 102.0x120.0);
Engine Base: 3.9L 239ci L4 (4.02x4.72; 102.0x120.0);
Vehicle Fitment Notes:
Opt. Service Unit, DR 12SI, CW, 94 Amp, Self Excite 1 Wire Aftermarket Design, Chrome Finish
Opt. Service Unit, DR 12SI, CW, 94 Amp, Self Excite 1 Wire Aftermarket Design, Chrome Finish


Alternator
$314.87
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4);
Engine Base: 4.3L 262ci V6 (4.00x3.48; 101.6x88.4);
Vehicle Fitment Notes:
180 Amp Aftermarket Upgrade
180 Amp Aftermarket Upgrade


Alternator
$314.87
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
180 Amp Aftermarket Upgrade
180 Amp Aftermarket Upgrade


Alternator
$224.53
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Vehicle Fitment Notes:
P32 Chassis, Opt
P32 Chassis, Opt


Alternator
$366.23
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle Fitment Notes:
160 Amp Caterpillar 3116
160 Amp Caterpillar 3116


Alternator
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.2L 379ci V8 (3.98x3.82; 101.0x97.0);
Engine Base: 6.2L 379ci V8 (3.98x3.82; 101.0x97.0);
Vehicle Fitment Notes:
P42 Chassis, Opt, 105 Amp
P42 Chassis, Opt, 105 Amp