Arco High Performance Starter – MerCruiser, Crusader & Marine Power (57-30459)
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
ARCO 57-30459 High Performance Marine Starter
Upgrade your inboard engine’s starting system with this high-performance permanent magnet gear reduction starter from ARCO Marine. Engineered specifically for demanding marine environments, it delivers fast, reliable cranking with a compact, lightweight design that fits where OEM starters often struggle. Whether you’re heading out at dawn or returning after a long day on the water, this starter gives you the confidence of a clean, immediate start every time.
Compatible Applications
- MerCruiser inboard and sterndrive engines
- Crusader marine engines
- Marine Power engines
- Other GM-based inboard applications using compatible mounting configurations
Key Features
- Permanent magnet gear reduction design — lightweight and compact
- High-torque output for reliable cold and warm starts
- Direct OEM replacement fit — no modifications required
- Corrosion-resistant construction for saltwater and freshwater use
Parts Desk Insights
This starter is the go-to choice for MerCruiser-powered boats where the OEM starter has become sluggish or failed outright. The permanent magnet gear reduction design is a meaningful upgrade over older wound-field starters — it draws less current, generates less heat, and tends to last longer in the marine environment. Best suited for inboard and sterndrive applications where space is tight and reliable starting is non-negotiable. If you’re replacing this starter, it’s also a good time to inspect or replace your solenoid — the ARCO 12V Starter Solenoid (SW109) and the ARCO Starter Solenoid (SW450) are compatible options for MerCruiser applications. For the highest-torque inboard starting solution available, see the ARCO 30470A Hi-Torque Gear Reduction Starter. Complete the install with the ARCO Starter Mounting Bolt Kit (57-MBK450) for a clean, rattle-free fit.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.