Description
Part Description
This OEM alternator was removed from a 2010 GMC Terrain equipped with a 2.4L engine. The part has been professionally inspected by our technicians and is currently on the shelf ready for immediate shipment. This Grade A component shows excellent working condition and meets our quality standards for reliable performance.
The alternator is a critical component of your vehicle’s charging system, converting mechanical energy from the engine into electrical energy to power your vehicle’s electrical systems and recharge the battery. Common alternator failures include worn brushes, faulty diodes, or bearing problems that can leave you stranded with a dead battery. Symptoms of alternator failure include dimming headlights, dashboard warning lights, or difficulty starting the vehicle.
At 603 Auto Salvage, we maintain over 50,000 quality used parts in stock from more than 1,100 vehicles. Our experienced team ensures each part meets our strict quality standards before it reaches our shelves. Browse our extensive inventory online or call us to speak with our knowledgeable parts specialists who can help you find the exact component 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 – 2.4L Engine |
| Interchange # | 477 |
| OEM Part Number | Contact for OEM# |
| Side | N/A |
| Part Grade | A — Grade A – Excellent working condition, professionally inspected and ready to ship |
| Warranty | 6-Month Warranty (Standard warranty for electrical components based on part condition and testing) |
| Type | Used OEM |
Vehicle Information (Donor)
| Year / Make / Model | 2010 GMC TERRAI |
| VIN | N/A |
| Vehicle Stock # | 1011224874 |
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 Output Test | Verified proper voltage and amperage output within specifications |
| ✅ Bearing Condition | Smooth rotation with no excessive play or noise |
| ✅ Brush and Slip Ring Inspection | Good contact surface with adequate brush material remaining |
| ✅ Mounting Points | All mounting ears and bolt holes intact with no cracks |
| ✅ Pulley Condition | Pulley properly aligned with no damage or excessive wear |
| ✅ Connector Integrity | Electrical connections clean and secure |
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 |
|---|---|---|---|
| 2010 | 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 2010 GMC Terrain?
This alternator is specifically for 2010 GMC Terrain models with the 2.4L engine. Please verify your engine size and contact us with your VIN to confirm compatibility.
How do I know if my alternator is failing?
Common signs include dimming headlights, dashboard warning lights, strange noises from the engine bay, or difficulty starting. A simple voltage test can confirm alternator output.
Is this a remanufactured or used OEM alternator?
This is a used OEM alternator removed from a donor vehicle, not remanufactured. It has been tested and inspected to ensure proper function.
What tools do I need to replace an alternator?
Basic hand tools including wrenches, sockets, and possibly a serpentine belt tool. The battery should be disconnected before beginning any electrical work.
How long does alternator replacement typically take?
Most alternator replacements can be completed in 1-2 hours depending on vehicle accessibility and your mechanical experience level.
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 | 1011224874 |
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 | $80-120 | 30–60 days | Varies in quality and testing |
| 603 Auto Salvage | $70 | 6-Month 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 tension after installation
- Verify proper alternator output with a multimeter after installation
🔍 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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