Description
Part Description
This alternator was removed from a 2004 GM Trucks Silverado 1500 and has been professionally inspected for quality and functionality. The unit is a 105-amp alternator with option code K68, designed for non-hybrid applications. It is currently on our shelf and ready to ship immediately upon order.
Alternators are essential components that charge your vehicle’s battery and power electrical systems while the engine runs. Common failure symptoms include dim headlights, dashboard warning lights, difficulty starting, or complete electrical system failure. When your alternator fails, replacement with a quality OEM unit like this one ensures reliable performance and proper electrical system operation.
603 Auto Salvage maintains over 50,000 quality used parts in stock from more than 1,100 vehicles. Our experienced team can help you find the exact part you need for your repair. Browse our online inventory or contact us to verify compatibility and availability for your specific vehicle. 50,000+ parts in stock from over 1,100 vehicles. Contact us or call (603) 392-7313 for anything you need.
Part Specifications
| Part | Alternator – 105 Amp (Option K68) |
| Interchange # | 971 |
| OEM Part Number | Contact for OEM# |
| Side | N/A |
| Part Grade | A — Grade A – 153K miles, good working condition, inspected and ready to ship |
| Warranty | 90-Day Warranty (Standard coverage for electrical components with moderate mileage) |
| Type | Used OEM |
Vehicle Information (Donor)
| Year / Make / Model | 2004 GM TRUCKS SILV15 |
| VIN | N/A |
| Vehicle Stock # | 0322240261 |
Our Testing & Inspection Process
Every part at 603 Auto Salvage is inspected before listing. Here is what was verified on this Alternator – 105 Amp (Option K68):
| ✅ Electrical connections | All terminals clean and intact |
| ✅ Housing condition | No cracks or damage to case |
| ✅ Pulley alignment | Pulley straight and secure |
| ✅ Internal components | No unusual noise or grinding |
| ✅ Mounting points | All mounting ears undamaged |
| ✅ Output testing | Verified proper amperage output |
Compatibility — What Vehicles Does This Part Fit?
Based on interchange #971, this part fits the following vehicles. Always confirm fitment with your mechanic before purchasing.
| Year(s) | Make | Model | Notes |
|---|---|---|---|
| 2004 | GM Trucks | Silverado 1500 | 105-amp, non-hybrid applications with option K68 |
Questions? Need a shipping quote? Call us now:
603 Auto Salvage | 233 Main St, Plaistow, NH 03865
Mon–Fri 8am–4:30pm | Sat 8am–2pm | Sun Closed
Warranty & Shipping
Frequently Asked Questions
Will this alternator fit my 2004 Silverado 1500?
This alternator fits 2004 GM Trucks Silverado 1500 models with the 105-amp option K68 for non-hybrid applications. Contact us with your VIN to verify exact compatibility for your specific vehicle.
What are signs that my alternator is failing?
Common symptoms include dim or flickering headlights, dashboard warning lights, difficulty starting, strange noises from the engine bay, or complete electrical failure. A failing alternator will eventually leave you stranded with a dead battery.
How long do alternators typically last?
Most alternators last 80,000 to 150,000 miles depending on driving conditions and electrical load. Extreme temperatures, frequent short trips, and high electrical demands can reduce alternator lifespan.
Is this a remanufactured or used OEM alternator?
This is a used OEM alternator removed from a donor vehicle. It has been inspected for proper function and is ready to install without additional rebuilding or remanufacturing.
What tools are needed to replace an alternator?
Basic hand tools including wrenches, sockets, and possibly a serpentine belt tool are typically required. The job involves disconnecting the battery, removing the belt, and unbolting the alternator from its mounting bracket.
Can I test this alternator before installation?
Yes, most auto parts stores can bench test alternators to verify proper output. We recommend testing any used electrical component before installation to ensure it meets your vehicle’s charging requirements.
Related Parts & Resources
OEM Part Numbers & Cross-Reference
Looking for this part by number? Here are the reference numbers:
| GM Option Code | K68 (105 Amp) |
| Interchange Number | 971 |
| Application | Non-hybrid vehicles only |
Price Comparison — Why Used OEM Makes Sense
| Source | Price Range | Warranty | Notes |
|---|---|---|---|
| Dealer (New OEM) | $180-250 | 1 year | Brand new, longest wait time |
| Aftermarket | $120-180 | Varies | Non-OEM fitment, quality varies |
| Other Salvage Yards | $85-120 | 30–60 days | Varies in quality and testing |
| 603 Auto Salvage | $75 | 90-Day Warranty | Tested, Grade A, ships in 24hrs |
Installation Notes
- Always disconnect the negative battery cable before beginning alternator replacement
- Take a photo of wire connections before removal to ensure proper reconnection
- Check serpentine belt condition and replace if cracked or frayed during alternator service
- Ensure all electrical connections are clean and tight to prevent charging issues
🔍 Free Fitment Check
Call us with your VIN and we will verify compatibility for free. No obligation, no pressure — just answers.
Our parts specialists check interchange data in real-time
Estimated Shipping Costs by Region
This part ships via FedEx Ground. Prices are estimates — call for an exact quote to your zip code.
| Region | Estimated Cost | Transit Time |
|---|---|---|
| New England (NH, MA, ME, VT, CT, RI) | $15 – $30 | 1–3 business days |
| Northeast (NY, NJ, PA, MD, VA) | $20 – $40 | 2–4 business days |
| Southeast (FL, GA, NC, SC, TN) | $25 – $45 | 3–5 business days |
| Midwest (OH, MI, IL, IN, WI, MN) | $30 – $50 | 3–5 business days |
| Southwest (TX, AZ, NM, OK) | $35 – $55 | 4–6 business days |
| West Coast (CA, OR, WA) | $40 – $65 | 5–7 business days |
Local pickup is always free. Free delivery within 30 miles of Plaistow, NH.
Why Buy From 603 Auto Salvage?
- 50,000+ parts in stock from over 1,100 vehicles on-site in Plaistow, NH
- Every part inspected before listing — no guesswork
- Family-owned salvage yard — real people, not a call center
- 90-Day Warranty on this part
- Fast shipping — most orders ship within 24 hours
- Competitive pricing — save 50–70% vs dealer prices
- Serving New Hampshire, Massachusetts & all 50 states
Ready to order? Call (603) 392-7313 or add to cart above. We are here to help.




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