Description
Part Description
This OEM alternator was removed from a 2012 Jeep Grand Cherokee equipped with a 3.6L V6 engine. The unit features 180 amp output capacity and has been thoroughly inspected by our parts specialists. This genuine Jeep alternator is currently on our shelf and ready to ship to restore your vehicle’s charging system.
The alternator is a critical component of your vehicle’s electrical system, converting mechanical energy from the engine into electrical power to charge the battery and run electrical accessories. 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 dimming lights, 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 carefully inspects each alternator to ensure reliable performance. Browse our extensive inventory online or contact us to verify fitment and availability for your specific vehicle needs. 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 – 180 Amp Output |
| Interchange # | 607B |
| OEM Part Number | Contact for OEM# |
| Side | N/A |
| Part Grade | C — Grade C – Functional condition with 204K miles, inspected and ready to ship |
| Warranty | 90-Day Warranty (Standard coverage for high-mileage electrical components) |
| Type | Used OEM |
Vehicle Information (Donor)
| Year / Make / Model | 2012 JEEP GNDCHE |
| VIN | N/A |
| Vehicle Stock # | 1206243906 |
Our Testing & Inspection Process
Every part at 603 Auto Salvage is inspected before listing. Here is what was verified on this Alternator Assembly – 180 Amp Output:
| ✅ Electrical Output Test | Charging system output verified within specifications |
| ✅ Bearing Condition | Smooth rotation with no excessive play or noise |
| ✅ Brush and Slip Ring | Adequate brush material remaining, slip rings in good condition |
| ✅ Mounting Points | All mounting ears and bolt holes intact and undamaged |
| ✅ Pulley Condition | Pulley properly secured with no cracks or excessive wear |
| ✅ Wiring Connections | All electrical connections clean and corrosion-free |
Compatibility — What Vehicles Does This Part Fit?
Based on interchange #607B, this part fits the following vehicles. Always confirm fitment with your mechanic before purchasing.
| Year(s) | Make | Model | Notes |
|---|---|---|---|
| 2012 | Jeep | Grand Cherokee | 3.6L V6 engine, 180 amp output – 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 Jeep Grand Cherokee?
This alternator is specifically for 2012 Grand Cherokee models with the 3.6L V6 engine and 180 amp electrical system. Please verify your engine size and amperage requirements before ordering.
What are signs that my alternator is failing?
Common symptoms include dimming headlights, dashboard warning lights, difficulty starting, or a dead battery that won’t hold a charge. You may also hear grinding or whining noises from the alternator area.
How do I know what amperage alternator I need?
Check your vehicle’s specifications or the label on your current alternator. This unit provides 180 amp output, which is standard for many 2012 Grand Cherokee models with 3.6L engines.
Is this a genuine Jeep alternator?
Yes, this is an OEM (Original Equipment Manufacturer) alternator that was factory-installed on a 2012 Jeep Grand Cherokee. It’s not an aftermarket replacement part.
What tools do I need to replace an alternator?
Basic hand tools including wrenches, sockets, and possibly a serpentine belt tool. You’ll also need to disconnect the battery and may need to remove other components for access.
How long does alternator installation typically take?
Most alternator replacements take 1-3 hours depending on your experience level and vehicle accessibility. Some models require removing additional components to reach the alternator.
Related Parts & Resources
OEM Part Numbers & Cross-Reference
Looking for this part by number? Here are the reference numbers:
| Interchange Number | 607B |
| Stock Number | 1206243906 |
| Engine Size | 3.6L V6 |
| Amp Rating | 180 Amp |
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 | $150-$220 | Varies | Non-OEM fitment, quality varies |
| Other Salvage Yards | $120-$180 | 30–60 days | Varies in quality and testing |
| 603 Auto Salvage | $100 | 90-Day Warranty | Tested, Grade C, ships in 24hrs |
Installation Notes
- Disconnect the negative battery cable before beginning 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
- Clean all electrical connections with contact cleaner before installing new alternator
- 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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