Description
Part Description
This Grade A alternator was removed from a 2012 Buick Regal equipped with the 2.4L LEA engine (VIN code K in the 8th position). The alternator has been thoroughly inspected by our technicians and is currently on the shelf ready for immediate shipment. This OEM part provides reliable charging system performance and is an excellent replacement for your vehicle’s failing alternator.
The alternator is a critical component of your vehicle’s charging system, responsible for converting mechanical energy from the engine into electrical energy to power your car’s electrical systems and recharge the battery. Common alternator failures include worn brushes, failed diodes, or bearing problems that can leave you stranded with a dead battery. Symptoms of alternator failure include dim headlights, dashboard warning lights, strange noises, or difficulty starting the vehicle.
At 603 Auto Salvage, we maintain an inventory of over 50,000 quality used auto parts from more than 1,100 vehicles. Our experienced team carefully inspects each part to ensure it meets our quality standards. Browse our website for additional Buick Regal parts or contact us to speak with our knowledgeable parts specialists who can help you find exactly what 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 – 146K miles, good working condition, inspected and ready to ship |
| Warranty | 90-Day Warranty (Standard warranty for electrical components with moderate mileage) |
| Type | Used OEM |
Vehicle Information (Donor)
| Year / Make / Model | 2012 BUICK REGAL |
| VIN | N/A |
| Vehicle Stock # | 0929232123 |
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 |
| ✅ Bearing Condition | Smooth rotation with no excessive play or noise |
| ✅ Brush and Slip Ring Wear | Acceptable wear levels for continued service |
| ✅ Mounting Points | All mounting ears and threads in good condition |
| ✅ Pulley Condition | Pulley securely attached with no damage or excessive wear |
| ✅ Electrical Connections | All terminals clean and undamaged |
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 |
|---|---|---|---|
| 2012 | Buick | Regal | 2.4L engine with VIN K (8th digit), LEA option – 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 2012 Buick Regal?
This alternator fits 2012 Buick Regal models with the 2.4L LEA engine (VIN code K in the 8th position). Please verify your engine code before ordering or contact us for confirmation.
What are signs that my alternator is failing?
Common symptoms include dim or flickering headlights, dashboard warning lights, strange grinding or whining noises from the engine bay, difficulty starting, or a dead battery despite recent replacement.
How do I identify the correct alternator for my vehicle?
Check your VIN number’s 8th digit and engine option code. This alternator is specifically for VIN code K with the LEA engine option. We can help verify compatibility if you’re unsure.
Is this a remanufactured or used OEM alternator?
This is a used OEM alternator removed from a donor vehicle. It has been tested and inspected but is not remanufactured or rebuilt.
What warranty comes with this alternator?
This alternator includes our 90-day warranty covering defects in the part. The warranty begins from the date of purchase and covers replacement or refund for defective parts.
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 alternator. 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 | 477 |
| Engine Code | LEA (VIN K) |
| Engine Size | 2.4L |
| Stock Number | 0929232123 |
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 | 90-Day 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 before reconnecting
- Test charging system after installation to verify proper operation
🔍 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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