- HIGH OUTPUT: Mechman S-Series 320 amp alternator for compatible Acura and Honda applications, built for high-output charging systems.
- VEHICLE FITMENT: Fits 2010-2013 Acura MDX 3.7L, 2009-2012 Acura RL 3.7L, 2009-2014 Acura TL 3.5L or 3.7L, 2008-2013 Honda Odyssey 3.5L, 2009-2015 Honda Pilot 3.5L, and 2009-2014 Honda Ridgeline 3.5L.
- 6-PHASE DESIGN: Efficient 6-phase alternator design uses less horsepower per kW produced than a conventional 3-phase alternator.
- HEAVY-DUTY CONSTRUCTION: Built with 12 diodes, twin full-copper rectifier plates, and strong airflow for dependable performance in demanding electrical systems.
- PULLEY AND BELT NOTE: Includes a smaller 1.75-inch alternator pulley and requires a slightly shorter drive belt for correct belt tension.
- FITMENT AND IDLE NOTICE: Confirm year, make, model, engine, and application before ordering. Mechman notes that this 320 amp version may have low or no voltage output at idle in some applications.
Mechman S-Series 320 Amp Alternator For 2009-2014 Acura/Honda 11391320
This Listing Includes:
- (1) Mechman S-Series Alternator 11391320
The Mechman S-Series 320 Amp Alternator delivers serious charging output in a compact, durable 6-phase design for compatible Acura and Honda applications. Built with 12 diodes, twin full-copper rectifier plates, and strong airflow, it is designed for high-output electrical systems that need more charging capacity.
Mechman states that its 6-phase S-Series alternators use less horsepower per kW produced than conventional 3-phase alternators. This 320 amp version produces more maximum output than the 240 amp option, but the correct choice depends on the vehicle and how it idles.
Features
- 320 amp Mechman S-Series alternator
- 6-phase high-output design
- Uses less horsepower per kW produced than conventional 3-phase alternators
- 12-diode design
- Twin full-copper rectifier plates
- Designed with strong airflow for long service life
- Smaller 1.75-inch alternator pulley
- Requires a slightly shorter drive belt for proper belt tension
- Standard finish only, no color options offered
Specifications:
- Brand: Mechman Alternators
- Model: S-Series
- Part Number: 11391320
- Output: 320 Amps
- Application: Compatible Acura and Honda applications
- Alternator Design: 6-Phase
- Diode Count: 12
- Rectifier Plates: Twin Full-Copper
- Pulley Diameter: 1.75 Inches
- Drive Belt Requirement: Slightly shorter belt required
- Manufacturer-Listed Weight: 17 lbs
- Finish: Standard finish only
VEHICLE FITMENT:
- 2010-2013 Acura MDX 3.7L
- 2009-2012 Acura RL 3.7L
- 2009-2014 Acura TL 3.5L or 3.7L
- 2008-2013 Honda Odyssey 3.5L
- 2009-2015 Honda Pilot 3.5L
- 2009-2014 Honda Ridgeline 3.5L
Important Fitment and Idle Note:
This unit uses a smaller 1.75-inch alternator pulley and requires a slightly shorter drive belt for proper belt tension. Mechman notes that, in some applications, the 320 amp version can cause low or no voltage output at idle. Vehicles with a stock or low 400-600 RPM idle may be better suited to Mechman's 240 amp version. Confirm your exact year, make, model, engine, and application before ordering.
Standard Finish Only:
This Big Jeff Audio listing is for the standard-finish alternator only. Manufacturer color options shown on Mechman's website are not available through this listing.
Accepted Payment Methods at Big Jeff Audio
At Big Jeff Audio, we strive to make your shopping experience as smooth as possible by offering a wide variety of payment options. Below is a complete list of the payment methods we accept:
Credit and Debit Cards
- Visa
- Mastercard
- American Express
- Discover
- Diners Club
Digital Wallets
- Amazon Pay
- Apple Pay
- Meta Pay (formerly Facebook Pay)
- Google Pay
- Shop Pay
- PayPal
International Payment Methods
Bank Transfers
Financing Options
We also offer financing options to make purchasing easier. Learn more about our financing options here.
- Klarna
- Affirm
- Sezzle
- Snap
- Acima
- Tiptop
If you have any questions or need assistance with payments, feel free to reach out to us at info@bigjeffaudio.com or call us at 737-BIG-JEFF.
Shipping Options and Delivery Time
Do You Offer Expedited Shipping?
Yes! At checkout, you can select from different shipping options:
- Standard Shipping: Free for orders over $100.
- Expedited Shipping: Available at an additional cost, calculated based on the weight and destination of your order.
How Long Does Delivery Take?
- Handling Time: Most orders are processed and shipped within 1 business day after receiving cleared payment. Occasionally, additional handling time may be required, but we’ll notify you if that’s the case.
- Standard Shipping: Typically takes 3-5 business days, though delivery may be affected by extreme weather or holidays.
What Happens If My Package Is Undeliverable?
If your package is refused or marked undeliverable and returned to us by the carrier, you’ll need to pay the full shipping cost to have the package resent. Alternatively, we can refund your order, minus the cost of shipping.
Why Can’t I Track My Order?
If you're having trouble tracking your order:
- Make sure you’ve received the shipping confirmation email with the tracking number.
- Log into your account on our website and use the “Check Your Order Status” button.
- If the issue persists, please refer to our detailed guide on tracking your order or contact our customer service team for further assistance.