GM 10SI Style 110 Amp Alternator - Chrome

This 110 A 10SI alternator is built for Chevy Small Block and Chevy Big Block applications that need reliable charging capacity with a clean chrome finish. It provides the electrical output needed to support upgraded ignition systems, electric cooling fans, fuel pumps, lighting, and additional accessories.

High Output Charging Performance
With a 110 A output rating, this alternator delivers the charging capacity needed for vehicles running added electrical demand. Strong output helps maintain consistent system voltage in street, cruise, and stop-and-go driving conditions.

Consistent Voltage & Electrical Stability
The internal charging design helps reduce voltage drop that can affect ignition performance, fuel delivery, lighting, and sensitive electronic components under load.

Durable Internal Construction
Built with quality internal components, this alternator is designed to handle heat, vibration, and sustained electrical demand commonly found in street and performance applications.

V-belt Pulley Configuration
Equipped with a v-belt pulley setup, this unit should be matched to the belt system and mounting layout listed in the specifications.

Direct-Fit Installation
The 10SI case and split mount support a straightforward installation when paired with the correct brackets, wiring, and pulley alignment.

Fitment

COMPATIBLE WITH
BUICK BIG BLOCK V8
• 6.6 L / 400 in3
• 7.0 L / 430 in3
• 7.5 L / 455 in3

BUICK SMALL BLOCK V8
• 5.7 L / 350 in3
• CADILLAC V8
• 6.0 L / 368 in3
• 7.0 L / 425 in3
• 7.7 L / 472 in3
• 8.2 L / 500 in3

CHEVROLET FLAT 6
• 2.7 L / 164 in3

CHEVROLET BIG BLOCK V8 GEN. II (MARK IV)
• 6.5 L / 396 in3
• 6.6 L / 402 in3
• 7.0 L / 427 in3
• 7.4 L / 454 in3

CHEVROLET SMALL BLOCK V8 GEN. I
• 4.3 L / 262 in3
• 4.4 L / 267 in3
• 4.9 L / 302 in3
• 5.0 L / 305 in3
• 5.0 L / 307 in3
• 5.3 L / 327 in3
• 5.7 L / 350 in3
• 6.6 L / 400 in3

DETROIT DIESEL INLINE 3
• 2.6 L / 159 in3

GM DIESEL V8
• 6.2 L / 379 in3

GM INLINE 4
• 1.4 L / 85 in3
• 1.5 L / 92 in3
• 1.6 L / 98 in3
• 1.8 L / 112 in3
• 1.9 L / 119 in3
• 2.0 L / 122 in3
• 2.3 L / 140 in3
• 2.5 L / 151 in3

GM INLINE 6
• 4.1 L / 250 in3
• 4.8 L / 292 in3

GM V6
• 2.8 L / 173 in3
• 3.0 L / 181 in3
• 3.2 L / 196 in3
• 3.8 L / 229 in3
• 3.8 L / 231 in3
• 4.1 L / 252 in3
• 4.3 L / 262 in3

ISUZU DIESEL INLINE 4
• 1.8 L / 111 in3
• 2.2 L / 134 in3

OLDSMOBILE DIESEL V8
• 4.3 L / 260 in3
• 5.7 L / 350 in3

OLDSMOBILE V8
• 4.3 L / 260 in3
• 5.0 L / 307 in3
• 5.7 L / 350 in3
• 6.6 L / 400 in3
• 6.6 L / 403 in3
• 7.5 L / 455 in3

PONTIAC V8
• 4.3 L / 265 in3
• 4.9 L / 301 in3
• 5.7 L / 350 in3
• 6.6 L / 400 in3
• 7.0 L / 428 in3
• 7.5 L / 455 in3

NOTES:
Commonly used in many GM vehicles from 1971-1986.

Specifications:
AC Service Tap: No
Amperage Rating: 110 A
Brushless: No
Case Circumference: 17.060 in.
Case Color: Silver
Case Material: Aluminum
Distance Between Mounting Feet: 6.610 in.
Drive End To Pulley 1st Groove Distance: 1.970 in.
Drive End To Rotor Shaft End Distance: 1.720 in.
External Fan Included: Yes
External Regulator Included: No
Family: 10SI
Fan Type: External
Finish: Chrome
Ground Type: Case ground
Mounting Configuration Code: 15
Mounting Type: Split Mount
One Wire Capable: Yes
Outside Pulley Diameter: 2.610 in.
Plug Clock Rear View Main Mounting Ear at 6 O Clock: 2 o'clock
Plug Type: 2-pin
Pulley Belt Type: V-belt
Pulley Groove Quantity: 1
Pulley Included: Yes
Regulator Type: Internal
Rotation Direction: Clockwise
Split Mounting Foot Overall Inner Spacing: 6.150 in.
Split Mounting Foot Overall Outside Spacing: 7.150 in.
Terminal Quantity: 3
Voltage: 12 VDC