Arco Zeus Alternators - Alt 12V 225A DF315 Isolat Grnd | 4011
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Zeus Alternators
Alt 12V 225A DF315 Isolat Grnd
- Dual cooling fans, OEM components, rectifier on housing exterior, and heat shedding coatings provide the coolest operating temperatures - about 8 - 20% cooler than incumbent alternators
- Suitable for marine, RV, and commercial applications
- High-density, ultra efficient stator winding
- Rapidly charges large battery banks, and optimized for performance at idle speeds
- For maximum performance, or lithium battery charging, add a Zeus Alternator Regulator (sold separately)
- Externally regulated
12V: 4011, 4015, 4021, 4028: - 49 mm K6 (6 groove) pulley
- Isolated ground
24V: 4404, 4504: - 4 kW alternator has LTO to turn on at lower RPMs, to run cooler and provide more power than older, larger, heavier designs; choose if you prioritize charging at idle, or need to limit power take-off
- 7 kW alternator generates extremely high amperage at cruising and higher RPMs; choose if you primarily charge at cruising RPM, or only charge every other day
- 50 mm K6 (6 groove) pulley
- Mercedes upfitter compliant
- Case ground
- Brand: Arco
- Manufacturer part #: 4011
- Sold as: EA
Shipping information
In-stock and OEM parts: ship same or next business day.
Available items are ready for pickup or shipping between one and three 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.