Description
Part Description
This OEM alternator was removed from a 2007 Jeep Wrangler equipped with the 3.8L engine and features 160 amp output capacity. The alternator has been thoroughly inspected by our technicians and is currently on the shelf ready to ship. This genuine Jeep part ensures proper fit and reliable performance for your Wrangler’s charging system.
The alternator is a critical component of your Jeep’s charging system, responsible for generating electrical power to charge the battery and supply electricity to all vehicle systems while the engine runs. Common alternator failures include worn brushes, failed diodes, or bearing wear that can leave you stranded with a dead battery. Symptoms of alternator failure include dimming lights, 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. Our experienced team can help you find the exact alternator or any other part you need for your Jeep Wrangler. Browse our online inventory or contact us to speak with our knowledgeable parts specialists about your specific 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 – 160 Amp Output |
| Interchange # | 249B |
| OEM Part Number | Contact for OEM# |
| Side | N/A |
| Part Grade | A — Grade A – Good working condition, 3.8L engine, 160 amp output, inspected and ready to ship |
| Warranty | 6-Month Warranty (Standard warranty for tested electrical components) |
| Type | Used OEM |
Vehicle Information (Donor)
| Year / Make / Model | 2007 JEEP WRANGL |
| VIN | N/A |
| Vehicle Stock # | 620222192 |
Our Testing & Inspection Process
Every part at 603 Auto Salvage is inspected before listing. Here is what was verified on this Alternator Assembly – 160 Amp Output:
| ✅ Electrical Output Test | 160 amp output verified within specifications |
| ✅ 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 properly secured with no wobble or damage |
| ✅ Electrical Connections | All terminals clean and undamaged |
Compatibility — What Vehicles Does This Part Fit?
Based on interchange #249B, this part fits the following vehicles. Always confirm fitment with your mechanic before purchasing.
| Year(s) | Make | Model | Notes |
|---|---|---|---|
| 2007 | Jeep | Wrangler | 3.8L engine with 160 amp alternator – 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 2007 Jeep Wrangler?
This alternator is specifically for 2007 Jeep Wrangler models with the 3.8L engine and 160 amp charging system. Contact us with your VIN to confirm exact compatibility for your specific vehicle.
What are signs that my Jeep Wrangler alternator is failing?
Common symptoms include dimming headlights, dashboard warning lights, difficulty starting, or a dead battery even after charging. You may also hear grinding or whining noises from the alternator area.
How do I know if I need a 160 amp alternator?
Check your current alternator’s label or consult your owner’s manual. The 160 amp alternator is standard on 2007 Wrangler models with the 3.8L engine and provides adequate power for stock electrical systems.
Is this a genuine Jeep alternator or aftermarket?
This is a genuine OEM alternator removed from a 2007 Jeep Wrangler. It’s the same part that was originally installed at the factory, ensuring proper fit and performance.
What tools do I need to replace a Jeep Wrangler alternator?
Basic hand tools including wrenches, sockets, and possibly a serpentine belt tool. The alternator is accessible from the top of the engine bay on most Wrangler models.
How long should a used alternator last?
A quality used alternator can provide many years of reliable service when properly installed. Our Grade A alternators are thoroughly tested to ensure they meet performance standards before sale.
Related Parts & Resources
OEM Part Numbers & Cross-Reference
Looking for this part by number? Here are the reference numbers:
| Interchange Number | 249B |
| Engine Size | 3.8L |
| Output Rating | 160 Amp |
| Stock Number | 620222192 |
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 | 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 wire connections before removal to ensure proper reconnection
- Check serpentine belt condition and replace if worn while alternator is accessible
- Ensure all electrical connections are tight and properly seated after installation
- Test charging system operation after installation to verify proper alternator function
🔍 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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