GM Billet Case 400amp Alternator
AutoTech Engineering
$550.00
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AutoTech Engineering
GM Billet Case 400amp Alternator
Product Details
Overview
Review the product information above for GM Billet Case 400amp Alternator, including images, price, options, variants, availability, quantity, financing, and add-to-cart controls. This product can be matched with the right supporting equipment to help complete a reliable car audio system.
Specifications
- SKU: HP-400 AMP BILLET FRAME-NO
- Brand: AutoTech Engineering
- Weight:
- Price: See current product price above.
- Availability: See live stock and option availability above.
Fitment / Compatibility
Confirm vehicle fitment, mounting space, power requirements, impedance, wiring, enclosure needs, and option selections before ordering. For vehicle-specific builds, compare this product with your current system and installation plan.
Installation Notes
Plan the install around clean power, proper wire size, correct fusing, secure mounting, and compatible equipment. Higher-output systems may need upgraded batteries, alternators, grounds, and installation accessories.
Shipping & Returns
Shipping options, delivery timing, and return eligibility can vary by product, destination, and order details. Review checkout details before placing your order or contact Crystal Audio Solutions with questions.
FAQs
How do I know if this product fits my vehicle or system?
Check the product details, dimensions, power requirements, options, and compatibility notes before ordering.
Do I need additional wiring, electrical upgrades, or installation accessories?
Many car audio upgrades require proper wiring, fusing, grounds, batteries, alternators, mounting hardware, or enclosures.
Can CAS help me choose matching products?
Yes. CAS can help match this product with the right supporting upgrades for your build.
What should I check before installation?
Confirm fitment, mounting depth, wiring size, fuse ratings, impedance, amplifier compatibility, and electrical capacity.
Need Help Choosing This Product?
If you are matching this product to a full system, CAS can help with amplifier power, subwoofer goals, speaker pods, wiring, batteries, alternators, and installation planning.
"BILLET DESIGN - AUTOTECH LOGO"
- Cadillac Escalade 2002 V8 5.3L 5328CC 325CID
- Cadillac Escalade 2002 V8 6.0L 5967CC 364CID
- Cadillac Escalade EXT 2002 V8 6.0L 5967CC 364CID
- Chevrolet Silverado 1500 1999 - 2002 V6 4.3L 262CID
- Chevrolet Silverado 1500 1999 - 2002 V8 4.8L 294CID
- Chevrolet Silverado 1500 1999 - 2002 V8 5.3L 5328CC 325CID
- Chevrolet Silverado 1500 HD 2001 – 2002 V8 6.0L 5967CC 364CID
- Chevrolet Silverado 2500 1999 - 2002 V8 6.0L 5967CC 364CID
- Chevrolet Silverado 2500 HD 2001 - 2002 V8 6.0L 5967CC 364CID
- Chevrolet Silverado 2500 HD 2001 - 2002 V8 6.6L 6599CC 403CID
- Chevrolet Silverado 2500 HD 2001 - 2002 V8 8.1L 496CID
- Chevrolet Silverado 3500 2001 - 2002 V8 6.0L 5967CC 364CID
- Chevrolet Silverado 3500 2001 - 2002 V8 6.6L 6599CC 403CID
- Chevrolet Silverado 3500 2001 - 2002 V8 8.1L 496CID
- Chevrolet Tahoe 2000 - 2002 V8 4.8L 294CID
- Chevrolet Tahoe 2000 - 2002 V8 5.3L 5328CC 325CID
- Chevrolet C3500HD 2001 - 2002 V8 8.1L 496CID
- Chevrolet Avalanche 1500 2002 V8 5.3L 5328CC 325CID
- Chevrolet Avalanche 2500 2002 V8 8.1L 496CID
- Chevrolet Suburban 1500 2000 - 2002 V8 5.3L 5328CC 325CID
- Chevrolet Suburban 2500 2000 - 2002 V8 6.0L 5967CC 364CID
- Chevrolet Suburban 2500 2001 - 2002 V8 8.1L 496CID
- GMC Sierra 1500 1999 - 2002 V6 4.3L 262CID
- GMC Sierra 1500 1999 - 2002 V8 4.8L 294CID
- GMC Sierra 1500 1999 - 2002 V8 5.3L 5328CC 325CID
- GMC Sierra 2500 1999 - 2002 V8 6.0L 5967CC 364CID
- GMC Sierra 2500 1999 - 2002 V8 5.3L 5328CC 325CID
- GMC Sierra 2500 HD 2001 – 2002 V8 6.0L 5967CC 364CID
- GMC Sierra 2500 HD 2001 - 2002 V8 6.6L 6599CC 403CID
- GMC Sierra 2500 HD 2001 - 2002 V8 8.1L 496CID
- GMC Sierra 3500 2001 - 2002 V8 6.0L 5967CC 364CID
- GMC Sierra 3500 2001 - 2002 V8 6.6L 6599CC 403CID
- GMC Sierra 3500 2001 - 2002 V8 8.1L 496CID
- GMC Yukon 2001 - 2002 V8 6.0L 5967CC 364CID
- GMC Yukon 2000 - 2002 V8 4.8L 294CID
- GMC Yukon 2000 - 2002 V8 5.3L 5328CC 325CID
- GMC Yukon XL 1500 2000 - 2002 V8 6.0L 5967CC 364CID
- GMC Yukon XL 1500 2000 - 2002 V8 5.3L 5328CC 325CID
- GMC Yukon XL 2500 2001 - 2002 V8 8.1L 496CID
Over 400+ amps at 1800rpm and 230+ amps at 650rpm (under full load).
Denso Hairpin Design for maximum Performance. *All our Competitions Series (CS) Alternators are supplied with the largest Dual Bridge Rectifier available in the marketplace. **OEM Bearings supplied on all our units **Highest rated Voltage Regulators in the industry.
AutoTech Engineering alternators need a minimum of 650rpm to charge.
Unless otherwise quoted or instructed, our units come supplied with the OEM Voltage output for PLUG and PLAY alternators. Voltage settings quoted are already built into the Voltage regulator inside the alternator. A reminder that PCM and ECU type vehicles means that your vehicles “brain/computer” controls the voltages.
Boosted Harness Option
A boosted Harness option is available at additional cost. If you pick this option your harness will come already dioded for you. You can pick from options of 15.3, 15.5 or 15.7 voltages.
What is a Bypass?
If you choose to have a bypass you are wiring to bypass the PCM or ECU control, and we customize a Voltage setting for your vehicle (this allows you to have a higher voltage than your PCM or ECU would allow. This in most cases will end up having your battery light on at all times.
Need help wiring your bypass, or have questions fins out more here:
Tutorial videos & Frequently Asked Questions
Warranty: 1 year parts & lifetime labor
Order Time Frames
Build time is 14 days.
Powder Coating adds up to 5 business days
Shipping takes 5-7 days
If you use klarna pay, Sezzle or Affirm add 7 days for processing.
