Description
Part Description
This used OEM starter motor was removed from a 2006 Acura MDX equipped with a 3.5L V6 engine. The part has been professionally inspected by our technicians and is currently on the shelf ready to ship. As a genuine Acura factory part, it offers the exact fit and specifications your vehicle requires.
The starter motor is a critical component that engages the engine’s flywheel to begin the combustion process. Common signs of starter failure include clicking sounds when turning the key, slow cranking, or complete failure to start. Rather than purchasing an expensive new starter or unreliable aftermarket replacement, this used OEM part provides reliable performance at a fraction of the cost.
At 603 Auto Salvage, we maintain over 50,000 quality used parts from more than 1,100 vehicles in our Plaistow, NH facility. Our experienced team can help you find the exact part you need and verify compatibility with your vehicle. Browse our extensive inventory online or contact us directly to discuss your specific requirements. 50,000+ parts in stock from over 1,100 vehicles. Contact us or call (603) 392-7313 for anything you need.
Part Specifications
| Part | Starter Motor Assembly |
| Interchange # | |
| OEM Part Number | Contact for OEM# |
| Side | N/A |
| Part Grade | A — Grade C – Good working condition from 265K mile vehicle, inspected and ready to ship |
| Warranty | 90-Day Warranty (Standard coverage for electrical components with higher mileage) |
| Type | Used OEM |
Vehicle Information (Donor)
| Year / Make / Model | |
| VIN | N/A |
| Vehicle Stock # |
Our Testing & Inspection Process
Every part at 603 Auto Salvage is inspected before listing. Here is what was verified on this Starter Motor Assembly:
| ✅ Electrical connections | All terminals clean and intact |
| ✅ Housing condition | No cracks or damage to starter housing |
| ✅ Mounting points | All mounting ears and bolt holes verified |
| ✅ Solenoid operation | Solenoid engagement mechanism tested |
| ✅ Drive gear | Bendix drive gear inspected for wear |
Compatibility — What Vehicles Does This Part Fit?
Based on interchange #, this part fits the following vehicles. Always confirm fitment with your mechanic before purchasing.
| Year(s) | Make | Model | Notes |
|---|---|---|---|
| 2003-2006 | Acura | MDX | 3.5L V6 engine |
| 2003-2008 | Honda | Pilot | 3.5L V6 engine |
| 2005-2008 | Honda | Ridgeline | 3.5L V6 engine |
| 2003-2007 | Honda | Accord | 3.5L V6 engine – Coupe and Sedan |
| 2004-2008 | Acura | TL | 3.5L V6 engine |
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 2006 Acura MDX starter fit my Honda Pilot?
Yes, this starter is compatible with 2003-2008 Honda Pilot models equipped with the 3.5L V6 engine. The interchange number 58773 confirms cross-compatibility between these Honda and Acura models that share the same engine platform.
What are the symptoms of a failing starter motor?
Common signs include clicking sounds when turning the key, slow engine cranking, intermittent starting issues, or complete failure to start. You may also notice dashboard lights dimming when attempting to start the vehicle.
How difficult is it to replace a starter motor on an Acura MDX?
Starter replacement typically requires lifting the vehicle and removing the air intake components for access. The job involves disconnecting the battery, removing electrical connections, and unbolting the starter from the transmission bellhousing. Most experienced DIYers can complete this in 2-3 hours.
Is this a genuine Acura part or aftermarket?
This is a genuine OEM starter motor that was originally installed in a 2006 Acura MDX at the factory. It provides exact fit and performance specifications compared to aftermarket alternatives.
What tools are needed to install this starter?
You’ll need basic hand tools including socket wrenches, combination wrenches, and possibly an extension bar for hard-to-reach bolts. A vehicle lift or jack stands are required for safe access underneath the vehicle.
Can I return this starter if it doesn’t work?
Yes, this starter comes with our 90-day warranty covering defects and functionality. We stand behind our parts and will work with you to resolve any issues that arise during the warranty period.
Related Parts & Resources
OEM Part Numbers & Cross-Reference
Looking for this part by number? Here are the reference numbers:
| Interchange Number | 58773 |
| Stock Number | 0322246487 |
| Part Number | 604 |
| Engine Size | 3.5L V6 |
Price Comparison — Why Used OEM Makes Sense
| Source | Price Range | Warranty | Notes |
|---|---|---|---|
| Dealer (New OEM) | $450-$650 | 1 year | Brand new, longest wait time |
| Aftermarket | $180-$280 | Varies | Non-OEM fitment, quality varies |
| Other Salvage Yards | $75-$125 | 30–60 days | Varies in quality and testing |
| 603 Auto Salvage | $ | 90-Day Warranty | Tested, Grade A, ships in 24hrs |
Installation Notes
- Disconnect the negative battery cable first to prevent electrical shorts during installation
- Clean all electrical connections with contact cleaner before reconnecting to ensure proper conductivity
- Apply anti-seize compound to mounting bolts to prevent future corrosion and ease removal
- Test the starter operation before fully reassembling surrounding components
- Ensure all heat shields and protective covers are properly reinstalled to prevent 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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