wo/ AC
wo/ AC, Optional
w/ AC
w/AC 63 Amps Superseded
63 Amps Superseded
wo/AC 42 Amps
w/AC 78 Amps Superseded
wo/AC 42 Amps
Optional, Heavy Duty, w/ 80 Amp Alt.
OEM Equivalent Unit
OEM Equivalent Unit
Optional, w/ Heavy Duty alt.
w/Dbl Mtg Foot (Opt HD) 80 Amps
w/AC 94 Amps Superseded
w/Dbl Mtg Foot (Opt HD) 80 Amps
GM Universal, Single Wire, 63 amp alt.
w/ 63 amp alt.
Standard with Air Conditioning
56-78 Amp., New, Stamped #1105632
Remanufactured; With AC; Family DE-12SI; Unit MFR DE; Amps 78; Pulley 5S; External Fan; Internal Regulator; Clock 9:00
63 Amps
wo/AC 63 Amps
63 Amps
63 Amps
w/AC 63 Amps
w/AC 63 Amps
w/Sgl Mtg Foot, w/AC, w/Sgl Mtg Foot, wo/AC
Standard without Air Conditioning
56-78 Amp., New, Stamped #1105632
w/AC 78 Amps
Opt 78 Amps
Std 78 Amps
w/AC 78 Amps
Opt 78 Amps
Std 78 Amps
w/ 105 amp alt., w/ 5S pulley
56-78 Amp., New, Stamped #1105632
32-66 Amp., New, Stamped #1100204
OEM Equivalent Unit
32-66 Amp., New, Stamped #1100204
GM Universal, Single Wire, 63 amp alt.
OEM Equivalent Unit
63 Amps
w/AC 63 Amps
wo/AC 63 Amps
Std 94 Amps
Opt 94 Amps
w/AC 94 Amps
100 AMP; Style 1-Wire Style; Natural Finish; 100% New
w/ Internal Reg; Machined Pulley; Natural Finish; 100% New
100 AMP; 1 Wire Style; GM Bowtie Logo; Chrome Finish; 100% New
Standard without Air Conditioning
100 AMP; 1-Wire Style; V-Belt Pulley; Black Crinkle; 100% New
120 AMP; 1-Wire Style; V-Belt Pulley; Black Crinkle; 100% New
12si; Straight Mount; 100 Amp; 75 Idle; 1V Pulley; Natural
12si; 100 Amp; 75 Idle; 1V; OE Look; Natural
with Internal Regulator; Machined Pulley; Chrome; 100% New
Amperage Output:100 AMP; Case Style:10SI Style; Finish:Chrome
80 AMP; 1 Wire Style; Machined Pulley; Chrome Finish; 100% New
60 AMP; 1 Wire Style; Machined Pulley; Chrome Finish; 100% New
80 AMP; 1 Wire Style; GM Bowtie Logo; Chrome Finish; 100% New
60 AMP; 1 Wire Style; GM Bowtie Logo; Chrome Finish; 100% New
with Internal Regulator; GM Bowtie Logo; Chrome; 100% New
120 AMP; 1 Wire Style; Machined Pulley; Chrome Finish; 100% New
12si; 100 Amp; 75 Idle; 6 Groove Pulley; OE Look; Natural
10si Internally Regulated; 85 Amp; 55 Idle; 1V; Natural
100 AMP; 1-Wire Style; Red Bowtie Logo; Black Crinkle; 100% New
120 AMP; 1 Wire Style; GM Bowtie Logo; Chrome Finish; 100% New
100% NEW, BLACK, 1-WIRE MINI ALTERNATOR, 50 AMP.
10si Internally Regulated; 100 Amp; 70 Idle; 1V; Natural
12si; 100 Amp; 75 Idle; 1V; Baffle; OE Look; Natural
12si; 100 Amp; 75 Idle; 6 Groove Pulley; Baffle; OE Look; Natural
12si; 100 Amp; 75 Idle; 6 Groove Pulley; OE Look; Chrome
10si Internally Regulated; 85 Amp; 55 Idle; 1V; Polished
10si Internally Regulated; 85 Amp; 55 Idle; 1V; Chrome
12si; 100 Amp; 75 Idle; 1V; OE Look; Chrome
12si; 100 Amp; 75 Idle; 1V; OE Look; Polished
100% NEW, POLISHED, 1-WIRE MINI ALTERNATOR, 50 AMP.
100% NEW, CHROME, 1-WIRE MINI ALTERNATOR, 50 AMP.
140 AMP; 1 Wire Style; Machined Pulley; Chrome Finish; 100% New
CS130; Straight Mounting; 105 Amp; 85 Idle; 6 Groove Pulley; Natural
CS130; Offset Left; Rear Battery Post; 105 Amp; 85 Idle; 6 Groove Pulley; Natural
12si; 150 Amp; 100 Idle; 1V Pulley; Natural
12si; 150 Amp; 100 Idle; 1V; Baffle; Natural
12si; 150 Amp; 100 Idle; 6 Groove Pulley; Natural
12si; 100 Amp; 75 Idle; 1V; Baffle; OE Look; Chrome
10si Internally Regulated; 100 Amp; 70 Idle; 1V; Chrome
12si; 100 Amp; 75 Idle; 6 Groove Pulley; Baffle; OE Look; Chrome
10si Internally Regulated; 100 Amp; 70 Idle; 1V; Polished
w/ 63 amp alt.
12si; 100 Amp; 75 Idle; 1V; Baffle; OE Look; Polished
12si; 150 Amp; 100 Idle; 6 Groove Pulley; Baffle; Natural
12si; 100 Amp; 75 Idle; 6 Groove Pulley; Baffle; OE Look; Polished
CS130; Offset Left; Rear Battery Post; 140 Amp; 95 Idle; 6 Groove Pulley; Natural
CS130; Straight Mounting; 140 Amp; 95 Idle; 6 Groove Pulley; Natural
12si; 100 Amp; 75 Idle; 6 Groove Pulley; Cone; OE Look; Chrome
12si; 150 Amp; 100 Idle; 6 Groove Pulley; Black
12si; 150 Amp; 100 Idle; 1V Pulley; Black
CS130; Straight Mounting; 140 Amp; 95 Idle; 1V Pulley; Natural
12si; 100 Amp; 75 Idle; 6 Groove Pulley; Cone; OE Look; Polished
12si; 100 Amp; 75 Idle; 1V; Cone; OE Look; Polished
12si; 100 Amp; 75 Idle; 1V; Cone; OE Look; Chrome
12si; 100 Amp; 75 Idle; 1V; Baffle And Cone; OE Look; Chrome
12si; 100 Amp; 75 Idle; 6 Groove Pulley; Baffle And Cone; OE Look; Chrome
12si; 150 Amp; 100 Idle; 6 Groove Pulley; Baffle; Black
12si; 150 Amp; 100 Idle; 1V Pulley; Chrome
12si; 150 Amp; 100 Idle; 1V; Baffle; Black
12si; 150 Amp; 100 Idle; 1V Pulley; Polished
12si; 100 Amp; 75 Idle; 1V; Baffle And Cone; OE Look; Polished
12si; 100 Amp; 75 Idle; 6 Groove Pulley; Baffle And Cone; OE Look; Polished
17Si; 120 Amp; 95 Idle; 1V; Natural
12si; 150 Amp; 100 Idle; 6 Groove Pulley; Chrome
CS130; Offset Left; Rear Battery Post; 140 Amp; 95 Idle; 6 Groove Pulley; Black
CS130; Straight Mounting; 140 Amp; 95 Idle; 6 Groove Pulley; Black
12si; 150 Amp; 100 Idle; 1V Pulley; Baffle; Chrome
12si; 150 Amp; 100 Idle; 6 Groove Pulley; Baffle; Polished
12si; 150 Amp; 100 Idle; 1V Pulley; Baffle; Polished
CS130; Offset Left; Rear Battery Post; 105 Amp; 85 Idle; 6 Groove Pulley; Polished
CS130; Offset Left; Rear Battery Post; 105 Amp; 85 Idle; 6 Groove Pulley; Chrome
CS130; Straight Mounting; 105 Amp; 85 Idle; 6 Groove Pulley; Chrome
CS130; Straight Mounting; 105 Amp; 85 Idle; 6 Groove Pulley; Polished
12si; 150 Amp; 100 Idle; 6 Groove Pulley; Polished
12si; 150 Amp; 100 Idle; 1V Pulley; Cone; Polished
12si; 150 Amp; 100 Idle; 6 Groove Pulley; Cone; Polished
12si; 150 Amp; 100 Idle; 6 Groove Pulley; Cone; Chrome
12si; 150 Amp; 100 Idle; 1V Pulley; Cone; Chrome
17Si; 120 Amp; 95 Idle; 1V; Chrome
17Si; 120 Amp; 95 Idle; 1V; Polished
CS130; Straight Mounting; 140 Amp; 95 Idle; 6 Groove Pulley; Polished
CS130; Offset Left; Rear Battery Post; 140 Amp; 95 Idle; 6 Groove Pulley; Polished
CS130; Offset Left; Rear Battery Post; 140 Amp; 95 Idle; 6 Groove Pulley; Chrome
CS130; Straight Mounting; 140 Amp; 95 Idle; 6 Groove Pulley; Chrome
56-94 Amp., New, Stamped #1100208
12si; 150 Amp; 100 Idle; 1V; Baffle And Cone; Chrome
12si; 150 Amp; 100 Idle; 6 Groove Pulley; Baffle And Cone; Chrome
12si; 150 Amp; 100 Idle; 1V; Baffle And Cone; Polished
12si; 150 Amp; 100 Idle; 6 Groove Pulley; Baffle And Cone; Polished
Incl. 100 Amp Alternator; Pulley; Bracket; 1 Wire Hookup; Chrome; Supersedes To PN[8-27926]
Incl. 100 Amp Alternator; Pulley; Bracket; 1 Wire Hookup; Polished
CS144; Straight Mounting; 200 Amp; 125 Idle; Natural
Incl. 100 Amp Alternator; Pulley; Bracket; 1 Wire Hookup; Chrome; Supersedes To PN[8-27927]
Incl. 100 Amp Alternator; Pulley; Bracket; 1 Wire Hookup; Polished
GM CS144; 170 Amp; 6 Groove Pulley; Baffle; 1 Wire/OE Hookup; Natural Finish
CS144; Straight Mounting; 200 Amp; 125 Idle; 16V; Natural
CS144; Straight Mounting; 200 Amp; 125 Idle; Black
CS144; Straight Mounting; 200 Amp; 125 Idle; Natural
CS144; Straight Mounting; 200 Amp; 125 Idle; Black
CS144; Offset 2 in. Spools; 200 Amp; 125 Idle; Natural
CS144; Straight Mounting; 200 Amp; 125 Idle; Chrome
CS144; Offset 2 in. Spools; 200 Amp; 125 Idle; Black
CS144; Straight Mounting; 200 Amp; 125 Idle; Polished
CS144; Straight Mounting; 200 Amp; 125 Idle; Chrome
GM CS144; 200 Amp; 6 Groove Pulley; Baffle; 1 Wire/OE Hookup; Polished Finish
CS144; Offset 2 in. Spools; 200 Amp; 125 Idle; Chrome
CS144; 300 Amp; 140 Idle; Straight Mount; Red Wrinkle
Browse our selection of quality alternator parts designed specifically for your Chevrolet K5 Blazer. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Base · Cheyenne · Custom · Custom Deluxe · Deluxe · Scottsdale · Silverado
Sport Utility
L6 4.1L · V8 5.0L · V8 5.7L · V8 6.2L · V8 6.6L · V8 7.4L
Automatic · Manual
