Description
Part Description
This OEM alternator was professionally removed from a 2004 GM Trucks Canyon and has been thoroughly inspected by our certified technicians. The unit has been tested for proper charging output and electrical connections, ensuring reliable performance for your vehicle. This Grade A component is currently on our shelf and ready for immediate shipment.
The alternator is a critical component of your vehicle’s charging system, converting mechanical energy from the engine into electrical power to charge the battery and run electrical systems. Common alternator failures include worn brushes, bad bearings, faulty diodes, or damaged slip rings, often resulting in dim lights, dead batteries, or dashboard warning lights. When your alternator fails, replacing it with a quality used OEM part like this one ensures reliable charging system performance.
At 603 Auto Salvage, we maintain over 50,000 quality used parts in stock from more than 1,100 vehicles in our Plaistow, NH facility. Our experienced team carefully inspects every alternator before it goes on the shelf. For questions about compatibility, installation, or to place your order, call us or browse our extensive online inventory to find the exact part you need. 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 Assembly |
| Interchange # | 1012 |
| OEM Part Number | Contact for OEM# |
| Side | N/A |
| Part Grade | A — Grade A – Good working condition, 150K miles, inspected and ready to ship |
| Warranty | 90-Day Warranty (Standard electrical component warranty based on mileage and testing) |
| Type | Used OEM |
Vehicle Information (Donor)
| Year / Make / Model | 2004 GM TRUCKS CANYON |
| VIN | N/A |
| Vehicle Stock # | 1112257182 |
Our Testing & Inspection Process
Every part at 603 Auto Salvage is inspected before listing. Here is what was verified on this Alternator Assembly:
| ✅ Charging Output Test | Verified proper voltage and amperage output |
| ✅ Bearing Condition | Smooth rotation with no excessive play or noise |
| ✅ Brush and Slip Ring Wear | Acceptable wear levels for continued service |
| ✅ Electrical Connections | All terminals and connections tested for continuity |
| ✅ Housing Integrity | No cracks or damage to alternator case |
| ✅ Pulley Condition | Pulley inspected for wear and proper alignment |
Compatibility — What Vehicles Does This Part Fit?
Based on interchange #1012, this part fits the following vehicles. Always confirm fitment with your mechanic before purchasing.
| Year(s) | Make | Model | Notes |
|---|---|---|---|
| 2004 | GM Trucks | Canyon | Contact us for full compatibility list with interchange 1012 |
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
How do I know if my 2004 Canyon alternator is failing?
Common signs include dim headlights, dashboard warning lights, slow engine cranking, or a dead battery. You may also hear grinding or whining noises from the alternator area.
What is interchange number 1012 for this alternator?
The interchange number 1012 identifies alternators that are functionally equivalent across different vehicle applications. This helps ensure proper fitment and performance specifications.
Is this alternator tested before shipping?
Yes, every alternator is professionally tested for proper charging output, bearing condition, and electrical continuity before being placed on our shelf for sale.
Can I install this Canyon alternator myself?
Installation requires basic mechanical skills and tools. You’ll need to disconnect the battery, remove the serpentine belt, disconnect electrical connections, and unbolt the old alternator before installing the replacement.
What tools do I need to replace my Canyon alternator?
Typical installation requires basic hand tools including wrenches, sockets, and possibly a serpentine belt tool. Always disconnect the negative battery cable first for safety.
How long should this used alternator last?
With proper installation and maintenance, a quality used OEM alternator like this can provide many years of reliable service, backed by our 90-day warranty for your peace of mind.
Related Parts & Resources
OEM Part Numbers & Cross-Reference
Looking for this part by number? Here are the reference numbers:
| Stock Number | 1112257182 |
| Part Number | 601 |
| Interchange | 1012 |
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 | $90-140 | Varies | Non-OEM fitment, quality varies |
| Other Salvage Yards | $75-95 | 30–60 days | Varies in quality and testing |
| 603 Auto Salvage | $65 | 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 electrical connections before removal to ensure proper reconnection
- Use a serpentine belt diagram to ensure proper belt routing during reassembly
- Check belt tension after installation – too loose or tight can cause premature failure
- Test charging system operation after installation to verify proper voltage output
🔍 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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