Description
Part Description
This Grade A alternator was removed from a 2008 GM Trucks Canyon with 90,000 miles on the odometer. The unit has been thoroughly inspected by our parts specialists and is currently on the shelf ready for immediate shipment. This OEM alternator shows excellent condition and is guaranteed to provide reliable charging performance for your vehicle.
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, failed diodes, or bearing problems that result in dim lights, battery warning lights, or complete electrical system failure. Replacing a failing alternator promptly prevents battery damage and ensures reliable vehicle operation.
603 Auto Salvage maintains an inventory of over 50,000 quality used parts from more than 1,100 vehicles. Our experienced team carefully inspects each component to ensure you receive reliable OEM parts at significant savings over dealer prices. Contact us to verify fitment for your specific vehicle or browse our extensive online inventory for additional Canyon parts and accessories. 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 # | 170 |
| OEM Part Number | Contact for OEM# |
| Side | N/A |
| Part Grade | A — Grade A – Good working condition with 90,000 miles, inspected and ready to ship |
| Warranty | 6-Month Warranty (Low mileage Grade A electrical component with verified functionality) |
| Type | Used OEM |
Vehicle Information (Donor)
| Year / Make / Model | 2008 GM TRUCKS CANYON |
| VIN | N/A |
| Vehicle Stock # | 0703241725 |
Our Testing & Inspection Process
Every part at 603 Auto Salvage is inspected before listing. Here is what was verified on this Alternator Assembly:
| ✅ Electrical 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 |
| ✅ Case and Mounting Points | No cracks or damage, all mounting ears intact |
| ✅ Pulley Condition | Pulley spins freely with no wobble or damage |
| ✅ Electrical Connections | All terminals clean and undamaged |
Compatibility — What Vehicles Does This Part Fit?
Based on interchange #170, this part fits the following vehicles. Always confirm fitment with your mechanic before purchasing.
| Year(s) | Make | Model | Notes |
|---|---|---|---|
| 2008 | GM Trucks | Canyon | Verify engine size and electrical specifications – Contact us for full compatibility list |
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 2008 GMC Canyon?
This alternator was removed from a 2008 GM Trucks Canyon and uses interchange #170. Contact us with your VIN to verify exact fitment as different engine options may require specific alternator specifications.
How do I know if my alternator is failing?
Common signs include dim headlights, dashboard warning lights, slow engine cranking, or a dead battery. A failing alternator cannot properly charge the battery, leading to electrical system problems.
What is included with this alternator?
You receive the complete alternator assembly as shown. The pulley is included, but you may need to transfer your specific belt and electrical connections during installation.
Has this alternator been tested?
Yes, we test all alternators for proper electrical output and inspect bearings, brushes, and connections. This Grade A unit passed all inspection criteria and is ready for installation.
Can I install this alternator myself?
Alternator replacement requires basic mechanical skills and tools. You’ll need to disconnect the battery, remove the drive belt, disconnect electrical connections, and unbolt the old unit. Professional installation is recommended if you’re not comfortable with automotive electrical work.
Related Parts & Resources
OEM Part Numbers & Cross-Reference
Looking for this part by number? Here are the reference numbers:
| Interchange Number | 170 |
| Stock Number | 0703241725 |
| Part Code | ALT |
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 | $60-80 | 30–60 days | Varies in quality and testing |
| 603 Auto Salvage | $50 | 6-Month Warranty | Tested, Grade A, ships in 24hrs |
Installation Notes
- Disconnect the negative battery cable before beginning work to prevent electrical shorts
- Take a photo of electrical connections before removal to ensure proper reconnection
- Check belt tension after installation – too tight can damage bearings, too loose causes slipping
- Clean all electrical connections with contact cleaner for optimal conductivity
- Test charging system after installation to verify proper voltage output at idle and RPM
🔍 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
- 6-Month 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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