wo/ AC, Optional
w/ Dual Air Pump, w/ 94 amp alt., w/ 6S pulley
w/ Single Air Pump, w/ 94 amp alt., w/ 6S pulley
w/ AC
w/AC 63 Amps Superseded
63 Amps Superseded
It fits vehicles with the 4.2L engine.
Condition: Excellent (A)
Mileage: 195,100 miles
wo/AC 42 Amps
w/AC Std 78 Amps Superseded
wo/AC 42 Amps
Opt HD 108 Amps Superseded
Optional, w/ Oversized 80 amp alt.
OEM Equivalent Unit
OEM Equivalent Unit
It is an 85-amp, CS-130 series alternator with an "I" style case and a 1 o'clock position. It fits gasoline engines and is built for vehicles without the 8-454 engine.
Condition: Excellent (A)
Remanufactured; Standard, With 78 amp ALTERNATOR; Family DE-12SI; Unit MFR DE; Amps 78; Pulley 1V; External Fan; Internal Regulator; Clock 3:00
Remanufactured; With 94 amp ALTERNATOR, With 6S pulley; Family DE-12SI; Unit MFR DE; Amps 94; Pulley 6S; External Fan; Internal Regulator; Clock 12:00
Optional, Heavy Duty, w/ 97 amp alt.
Standard, w/ 66 amp alt.
w/Dbl Mtg Foot (Opt HD) 80 Amps
w/AC 94 Amps Superseded
w/Dbl Mtg Foot (Opt HD) 80 Amps
Opt 94 Amps
GM Universal, Single Wire, 63 amp alt.
w/ 63 amp alt.
To 66 Amp Alternator
w/ AC, Optional, w/ 94 amp alt.
It is a 100 amp, CS-130 series alternator with an "I" style case and a 1 o'clock position. It fits gasoline vehicles. It is not for vehicles with the 8-454 engine.
Condition: Excellent (A)
Opt HD 108 Amps
Remanufactured; With AC; Family DE-12SI; Unit MFR DE; Amps 78; Pulley 5S; External Fan; Internal Regulator; Clock 9:00
Optional, w/ 78 amp alt.
w/ AC
Standard, w/ 78 amp alt.
Remanufactured; Optional, With Heavy Duty ALTERNATOR; Family DE-27SI; Unit MFR DE; Amps 80; Pulley 1V; External Fan; Internal Regulator; Clock 12:30
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
without Air Conditioning
w/AC Std 78 Amps
Opt 78 Amps
Std 78 Amps
w/AC Std 78 Amps
Opt 78 Amps
Std 78 Amps
California Emissions Opt 94 Amps
w/AC Opt 94 Amps
w/ 105 amp alt., w/ 5S pulley
It fits vehicles with the 5.0L engine and 4-speed automatic transmission. This is a 78 amp alternator from the 12SI-100 series with a 3 o'clock position.
Condition: Excellent (A)
Mileage: 140,500 miles
It fits vehicles with the 6.2L engine and 4-speed automatic transmission. This is an 85 amp alternator from the 15SI-100 series with a 12 o'clock mounting position.
Condition: Excellent (A)
Mileage: 101,100 miles
OEM Equivalent Unit
GM Universal, Single Wire, 63 amp alt.
OEM Equivalent Unit
63 Amps
w/AC 63 Amps
w/ AC, Optional, w/ 94 amp alt.
Standard - 94 Amp w/o A/C
wo/AC 63 Amps
It fits vehicles with an automatic transmission and option code 4BC. This is an 80 amp alternator from the 27SI-100 series with a 12 o'clock mounting position.
Condition: Excellent (A)
Mileage: 59,700 miles
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
To 94 Amp Alternator
100 AMP; 1 Wire Style; GM Bowtie Logo; Chrome Finish; 100% New
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
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
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
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
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
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
Standard - 94 Amp w/o A/C
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
Opt HD 108 Amps
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 This Installation Requires Conversion Harness PN[140]
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
CS144; Straight Mounting; 200 Amp; 125 Idle; 16V; Natural
CS144; Straight Mounting; 200 Amp; 125 Idle; Black This Installation Requires Conversion Harness PN[140]
CS144; Straight Mounting; 200 Amp; 125 Idle; Natural
CS144; Straight Mounting; 200 Amp; 125 Idle; Black
CS144; Straight Mounting; 200 Amp; 125 Idle; Chrome
CS144; Straight Mounting; 200 Amp; 125 Idle; Polished
CS144; Straight Mounting; 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 C20. 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
Cab & Chassis · Crew Cab Pickup · Standard Cab Pickup
L6 4.1L · L6 4.8L · V6 4.3L · V8 5.0L · V8 5.7L · V8 6.2L · V8 6.6L · V8 7.4L
Automatic · Manual
