Chevy Small Block Long Water Pump Upgraded Alternator Bracket - Black
Chevy Small Block Long Water Pump Upgraded Alternator Bracket - Black
SKU: SKU: JM9121BK
In stock
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Product Details
Features
- GM 10SI Compatible – Designed for GM 10SI alternator applications.
- Long Neck Water Pump Design – Engineered for Small Block Chevy long-neck water pump configurations.
- Upgraded Bracket Design – Provides enhanced alternator support and positioning.
- Passenger-Side Mounting – Designed for compatible SBC accessory drive layouts.
Description
Upgrade your accessory drive system with this Chevy Small Block Long Water Pump Upgraded Alternator Bracket featuring a black finish and billet aluminum construction. Designed for compatible Chevrolet Small Block V8 engines equipped with a long neck water pump, this bracket provides secure alternator mounting while creating a cleaner, more organized accessory drive layout and engine bay appearance.
This Small Block Chevy alternator bracket is engineered for GM 10SI alternator applications and helps maintain proper alternator positioning and belt alignment during street driving, restoration projects, truck builds, and performance applications. The upgraded upper and lower bracket design provides enhanced mounting support while integrating with compatible Chevrolet Small Block accessory drive layouts.
Whether you're replacing worn alternator mounting hardware on a 283, 302, 305, 307, 327, 350, or 400 Small Block Chevy engine, or completing a fresh engine build, this long water pump alternator bracket delivers dependable performance and classic black styling. Its billet aluminum construction is designed to withstand engine vibration and normal accessory drive loads while maintaining a professional appearance under the hood.
Popular among muscle car, street rod, truck, and restoration enthusiasts, this SBC alternator bracket is an excellent choice for compatible Chevrolet Small Block applications requiring a passenger-side GM 10SI alternator mounting solution. The black finish complements both factory-style restorations and custom performance builds while helping create a clean and organized accessory drive system.
Application-Specific Mounting
Designed around the specified engine and accessory drive layout to help maintain proper alternator positioning and belt alignment.
Upgraded Upper and Lower Bracket Design
Provides enhanced alternator support and stability while integrating with compatible Small Block Chevy accessory drive systems.
Black Engine Bay Appearance
The black finish enhances engine compartment appearance and complements restoration, muscle car, street rod, truck, and custom performance builds.
Passenger-Side Alternator Mounting
Positions the alternator on the passenger side of the engine for compatibility with the specified accessory drive layout.
Specs
| Accessory Type | Alternator |
| Alternator Style | GM 10Si |
| Finish | Available in Chrome, Polished, Black |
| Bracket Type | Upper & Lower |
| Water Pump Style | Long Neck |
| Mounting Position | Passenger Side |
| Upper Mounting | Water Pump & Cylinder Head |
| Lower Mounting | Water Pump |
| Bracket Material | Billet Aluminum |
| Hardware | Included |
Engine Fitment
COMPATIBLE WITH
CHEVROLET SMALL BLOCK V8 GEN. I
• 4.3 L / 262 in3
• 4.3 L / 265 in3
• 4.4 L / 267 in3
• 4.6 L / 283 in3
• 4.9 L / 302 in3
• 5.0 L / 305 in3
• 5.0 L / 307 in3
• 5.4 L / 327 in3
• 5.7 L / 350 in3
• 6.6 L / 400 in3
NOTE: Includes spacer for use with TSP gilmer style crank pulley.
COMMON VEHICLE APPLICATIONS
• Chevrolet Silverado 1500 / 2500 / 3500
• GMC Sierra 1500 / 2500 / 3500
• Chevrolet Tahoe / Suburban
• GMC Yukon / Yukon XL
• Chevrolet Camaro / Corvette (LS equipped)
• Pontiac GTO / G8 (LS equipped)
Q&A
What applications is this bracket compatible with?
This bracket is designed for COMPATIBLE WITH, CHEVROLET SMALL BLOCK V8 GEN. I, 4.3 L / 262 in3, 4.3 L / 265 in3, 4.4 L / 267 in3, 4.6 L / 283 in3, 4.9 L / 302 in3, 5.0 L / 305 in3, 5.0 L / 307 in3, 5.4 L / 327 in3, 5.7 L / 350 in3, 6.6 L / 400 in3, NOTE: Includes spacer for use with TSP gilmer style crank pulley..
Will this bracket fit my setup?
This bracket is intended for Chevy/GM applications and should match your engine accessories and mounting configuration.
What does this bracket do?
This bracket is used to mount and secure engine accessories such as alternators, power steering pumps, or other components.
What material is this bracket made from?
This bracket is made from steel, providing strength and durability.
What finish does this bracket have?
This bracket features a available in chrome, polished, black finish, which enhances appearance and corrosion resistance.
Do I need to align accessories when installing this bracket?
Yes, proper alignment is critical to ensure correct belt tracking and accessory operation.
Do I need hardware for installation?
You may need bolts or spacers depending on your setup.
Will this bracket work with aftermarket accessories?
Yes, many brackets are designed to support aftermarket and performance accessory setups when properly matched.
Is this a good upgrade over stock brackets?
Yes, aftermarket brackets can improve fitment, durability, and engine bay appearance.
Do I need to verify compatibility before installation?
Yes, brackets must match your engine, accessories, and belt system for proper fitment.
Can this bracket be used in performance or custom builds?
Yes, brackets are commonly used in performance and custom engine builds.
Is this an SBC alternator bracket?
Yes. SBC is a common abbreviation for Small Block Chevy, and this bracket is designed for compatible Chevrolet Small Block applications listed in the fitment section.
Does this bracket require a long neck water pump?
Yes. This bracket is specifically designed for Chevrolet Small Block engines equipped with a long neck water pump configuration and may not align correctly with short water pump applications.
Which alternator style is this bracket designed for?
This bracket is designed for GM 10SI alternator applications. Verify your alternator model and accessory drive configuration before installation.
What makes this an upgraded alternator bracket?
This bracket features an upgraded upper and lower mounting design that provides additional alternator support while helping maintain proper alignment within compatible accessory drive systems.
What material is this alternator bracket made from?
This bracket is manufactured from billet aluminum and features a black finish for durability and enhanced engine bay appearance.
Emissions Notice
This product does not affect vehicle emissions and is not subject to emissions compliance regulations.
Chevy Small Block Long Water Pump Upgraded Alternator Bracket - Black
Upgrade your accessory drive system with this Chevy Small Block Long Water Pump Upgraded Alternator Bracket featuring a black finish and billet aluminum construction. Designed for compatible Chevrolet Small Block V8 engines equipped with a long neck water pump, this bracket provides secure alternator mounting while creating a cleaner, more organized accessory drive layout and engine bay appearance.
This Small Block Chevy alternator bracket is engineered for GM 10SI alternator applications and helps maintain proper alternator positioning and belt alignment during street driving, restoration projects, truck builds, and performance applications. The upgraded upper and lower bracket design provides enhanced mounting support while integrating with compatible Chevrolet Small Block accessory drive layouts.
Whether you're replacing worn alternator mounting hardware on a 283, 302, 305, 307, 327, 350, or 400 Small Block Chevy engine, or completing a fresh engine build, this long water pump alternator bracket delivers dependable performance and classic black styling. Its billet aluminum construction is designed to withstand engine vibration and normal accessory drive loads while maintaining a professional appearance under the hood.
Popular among muscle car, street rod, truck, and restoration enthusiasts, this SBC alternator bracket is an excellent choice for compatible Chevrolet Small Block applications requiring a passenger-side GM 10SI alternator mounting solution. The black finish complements both factory-style restorations and custom performance builds while helping create a clean and organized accessory drive system.
Application-Specific Mounting
Designed around the specified engine and accessory drive layout to help maintain proper alternator positioning and belt alignment.
Upgraded Upper and Lower Bracket Design
Provides enhanced alternator support and stability while integrating with compatible Small Block Chevy accessory drive systems.
Black Engine Bay Appearance
The black finish enhances engine compartment appearance and complements restoration, muscle car, street rod, truck, and custom performance builds.
Passenger-Side Alternator Mounting
Positions the alternator on the passenger side of the engine for compatibility with the specified accessory drive layout.
COMPATIBLE WITH
CHEVROLET SMALL BLOCK V8 GEN. I
• 4.3 L / 262 in3
• 4.3 L / 265 in3
• 4.4 L / 267 in3
• 4.6 L / 283 in3
• 4.9 L / 302 in3
• 5.0 L / 305 in3
• 5.0 L / 307 in3
• 5.4 L / 327 in3
• 5.7 L / 350 in3
• 6.6 L / 400 in3
NOTE Includes spacer for use with TSP gilmer style crank pulley.
COMMON VEHICLE APPLICATIONS
• Chevrolet Silverado 1500 / 2500 / 3500
• GMC Sierra 1500 / 2500 / 3500
• Chevrolet Tahoe / Suburban
• GMC Yukon / Yukon XL
• Chevrolet Camaro / Corvette (LS equipped)
• Pontiac GTO / G8 (LS equipped)
SPECIFICATIONS
Accessory Type: Alternator
Alternator Style: GM 10Si
Finish: Available in Chrome, Polished, Black
Bracket Type: Upper & Lower
Water Pump Style: Long Neck
Mounting Position: Passenger Side
Upper Mounting: Water Pump & Cylinder Head
Lower Mounting: Water Pump
Bracket Material: Billet Aluminum
Hardware: Included