Description
Part Description
This Grade A alternator was removed from a 2013 GMC Terrain equipped with a 2.4L engine and 184,000 miles. The alternator has been thoroughly inspected by our certified technicians and is currently on our shelf ready for immediate shipment. This OEM part ensures proper charging system operation and maintains the electrical demands of your vehicle.
The alternator is a critical component of your vehicle’s charging system, converting mechanical energy from the engine into electrical energy to power accessories and charge the battery. Common alternator failures include worn brushes, faulty diodes, or bearing wear that can leave you stranded with a dead battery. Symptoms of alternator failure include dimming headlights, dashboard warning lights, or difficulty starting the vehicle.
603 Auto Salvage maintains over 50,000 quality used parts in stock from more than 1,100 vehicles in our Plaistow, NH facility. Our experienced team can help you find the exact alternator you need for your GMC Terrain. Browse our online inventory or contact us to verify fitment 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 Assembly – 2.4L Engine |
| Interchange # | 477 |
| OEM Part Number | Contact for OEM# |
| Side | N/A |
| Part Grade | A — Grade A – 184K miles, 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 | 2013 GMC TERRAI |
| VIN | N/A |
| Vehicle Stock # | 0418249415 |
Our Testing & Inspection Process
Every part at 603 Auto Salvage is inspected before listing. Here is what was verified on this Alternator Assembly – 2.4L Engine:
| ✅ Electrical Connections | All terminals clean and undamaged |
| ✅ Housing Condition | No cracks or damage to alternator case |
| ✅ Pulley Assembly | Pulley spins freely without binding |
| ✅ Mounting Points | All mounting ears intact and undamaged |
| ✅ Internal Components | No signs of overheating or electrical damage |
Compatibility — What Vehicles Does This Part Fit?
Based on interchange #477, this part fits the following vehicles. Always confirm fitment with your mechanic before purchasing.
| Year(s) | Make | Model | Notes |
|---|---|---|---|
| 2013 | GMC | Terrain | 2.4L engine – 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 2013 GMC Terrain?
This alternator is specifically for 2013 GMC Terrain models with 2.4L engines. Please verify your engine size and contact us with your VIN to confirm exact fitment before ordering.
What are signs that my alternator is failing?
Common symptoms include dimming headlights, dashboard warning lights, difficulty starting, or a dead battery. You may also hear grinding or whining noises from the alternator area.
How long do alternators typically last?
Most alternators last 80,000 to 150,000 miles depending on driving conditions and electrical load. This Grade A unit from a 184K-mile vehicle has been tested for proper operation.
Can I install this alternator myself?
Alternator replacement requires basic mechanical skills and tools. You’ll need to disconnect the battery, remove the serpentine belt, and disconnect electrical connections before removing mounting bolts.
What is interchange number 477?
The interchange number 477 identifies alternators that are functionally equivalent across different vehicle applications. This helps ensure you get the correct alternator for your specific vehicle.
Related Parts & Resources
OEM Part Numbers & Cross-Reference
Looking for this part by number? Here are the reference numbers:
| Interchange Number | 477 |
| Engine Size | 2.4L |
| Stock Number | 0418249415 |
Price Comparison — Why Used OEM Makes Sense
| Source | Price Range | Warranty | Notes |
|---|---|---|---|
| Dealer (New OEM) | $280-$350 | 1 year | Brand new, longest wait time |
| Aftermarket | $120-$180 | Varies | Non-OEM fitment, quality varies |
| Other Salvage Yards | $80-$120 | 30–60 days | Varies in quality and testing |
| 603 Auto Salvage | $65 | 90-Day Warranty | Tested, Grade A, ships in 24hrs |
Installation Notes
- Disconnect the negative battery cable before starting work to prevent electrical shorts
- Take a photo of wire connections before removal to ensure proper reconnection
- Check serpentine belt condition and replace if worn while alternator is accessible
- Torque mounting bolts to manufacturer specifications to prevent vibration damage
🔍 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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