GM CS-130 Style 220 Amp Alternator with V-Belt Pulley - Chrome

• 220 amp charging output helps support upgraded electrical accessories and stable system voltage.

• Gm cs130 style case style supports compatible brackets, wiring, pulley alignment, and charging-system layouts.

• Application-focused fitment details help confirm mounting style, connector type, belt setup, and case clearance before installation.

• Built for reliable street performance, restoration, and custom vehicle applications.

For upgraded charging systems, this CS130 style alternator uses 220 A charging output, aluminum case construction, and a V-belt, 1-groove, 2.610 in. outside diameter pulley layout to help support added electrical accessories.

Charging Output & System Support
The 220 A amperage rating helps support electric fans, lighting, ignition components, fuel pumps, audio equipment, and additional electrical accessories. The 12 VDC rating keeps it aligned with common automotive charging-system requirements. The CS130 case family provides the charging-system layout used for compatible brackets, wiring, and mounting geometry. This makes it useful for street-driven builds, restorations, and upgraded accessory systems.

Pulley & Belt Alignment
The V-belt, 1-groove, 2.610 in. outside diameter pulley setup is intended to match the selected accessory drive arrangement. Verify belt type, pulley offset, and bracket position before installation.

Case Construction & Cooling
The aluminum case uses a chrome finish with a 15.710 in. case circumference to balance durability, serviceability, and underhood presentation. The external fan design helps support heat management during accessory load and engine-bay operation. External fan included: Yes.

Installation & System Matching
Mounting details include split mount configuration with 6.610 in. between mounting feet and mounting configuration code 15. Regulator type: Internal. External regulator included: No. One-wire capable: Yes. Plug type: 4-pin. Terminal quantity: 5. Ground type: Case ground. Rotation direction: Clockwise. Verify charge-wire size, connector style, pulley alignment, bracket spacing, and engine-bay clearance before installation.

What applications is this alternator compatible with?
This alternator is designed for compatible applications including CHEVROLET BIG BLOCK V8 GEN. II (MARK IV), CHEVROLET BIG BLOCK V8 GEN. V, CHEVROLET SMALL BLOCK V8 GEN. I, GM DIESEL V8, GM INLINE 4, GM INLINE 6, GM V6, and OLDSMOBILE V8.

Will this alternator fit common Chevy and GM applications?
Yes, this alternator is designed for compatible Chevy and GM applications listed in the fitment details.

Is this alternator a good upgrade over a stock charging system?
Yes, this alternator is a strong upgrade for compatible applications that need reliable charging performance and support for modern electrical demands.

What voltage system is this alternator designed for?
This alternator is built for a 12 vdc charging system.

What type of regulator does this alternator use?
This alternator uses a internal regulator setup, which helps control charging output for the intended application.

Is this alternator easy to wire into a compatible vehicle?
Wiring should always be matched to the intended application, but this alternator is designed for straightforward installation on compatible setups.

Does alternator rotation matter for installation?
Yes, rotation matters for belt-driven accessories, so the alternator should be matched to the correct belt routing and engine setup.

Do I need to verify pulley compatibility before installation?
Yes, pulley style and belt alignment should always be confirmed against your bracket and belt setup before installation.

Does alternator cooling matter on high-demand applications?
Yes, proper alternator cooling is important when electrical demand is higher, especially on performance builds with added accessories.

Should I check bracket and clearance before installation?
Yes, bracket style, case position, and wiring clearance should always be confirmed before installation.

Is mounting style important when choosing an alternator?
Yes, mounting style is critical because the alternator must match the bracket system used on the engine or vehicle.

What is this alternator made from?
It uses a aluminum case, helping support durability and dependable charging performance.

Will this alternator help support added electrical accessories?
Yes, a higher-output alternator can help support added electrical loads such as fans, fuel pumps, ignition upgrades, and lighting when matched to the correct application.

Is this a good upgrade from a stock alternator?
Yes, this alternator is a strong upgrade for compatible applications that need improved charging reliability, support for accessories, and performance-oriented fit and finish.

Does the chrome finish affect performance?
No, the chrome finish is cosmetic and does not change the alternator's performance—it gives it a brighter show-quality appearance.

How do I maintain the chrome finish?
Routine cleaning with non-abrasive products will help keep the chrome finish looking its best over time.