Overview

ALTERNATOR Starter Replacement Alternators
ALTERNATOR Starter Replacement keeps watercrafts moving forward with quality aftermarket alternators. We work directly with factories to ensure each component is manufactured to our exacting quality control standards. But because there is no middleman, we can offer these exceptional-quality electrical components at low factory direct prices.

With ALTERNATOR Starter Replacement alternators, you’ll get …

Superior Quality Every Time – Our aftermarket alternators deliver performance that’s equivalent to the original.
Direct-Fit OEM Replacement Parts – ALTERNATOR Starter Replacement aftermarket alternators are designed for perfect fitment to replace the ones that originally came with your vehicle.
Engineer-Tested Excellence – Our alternators go through a rigorous testing program to ensure optimal performance. Most alternators are supplied with their final test results and performance curve.

Reasons to choose ALTERNATOR Starter Replacement for your next alternator:

Built to Take the Heat – Most ALTERNATOR Starter Replacement alternators offer high-temperature epoxy, heavy-duty rectifiers, high-quality regulators, top-quality bearings and high-temperature grease for better charging and longer life under high-heat environments.
Corrosion Resistance – Plated fans, pulleys and hardware offer protection against rust-producing dampness.
Flame Arrestor Screens – Where applicable, alternators come with these screens to meet Marine SAEJ1171 Certification as laid out by the SAE.
Brand New Alternator – Never settle for a secondhand refurbished one. Many places will try to sell you a used alternator for about the price we’ll sell you a new one.

The ALTERNATOR Starter Replacement Advantage – 1-Year Warranty
ALTERNATOR Starter Replacement delivers exceptional value for products that we stand behind with our total-confidence 1-year warranty. Yes, you have a full year to make sure your alternator meets your expectations.

Item Number: ALT-12408

100% Brand New Aftermarket Part From ALTERNATOR Starter Replacement

Show Full Description

Product Specs

Item Condition	Aftermarket Part
Part Type	UNIT
Voltage	12
Rotation	CW
Amperage	105
Clock	12
Pulley Class	S6
Regulator	IR
Fan Type	IF
Fits	MARINE APPLICATIONS 6-GROOVE PULLEY 50mm OD

Applications List

MAKE	TYPE	MODEL	YEAR	ENGINE
MERCRUISER	Engine	Model 377 Scorpion	1997 – On	GM 6.2L – 377ci – 8cyl
MERCRUISER	Engine	Model 377 Scorpion HO EC	2000 – On	GM 6.2L – 377ci – 8cyl
MERCRUISER	Engine	Model 500 EFI	2000	GM 8.2L – 502ci – 8cyl
MERCRUISER	Engine	Model 500 EFI	2001	GM 8.2L – 502ci – 8cyl
MERCRUISER	Engine	Model 500 EFI	2002	GM 8.2L – 502ci – 8cyl
MERCRUISER	Engine	Model 525 EFI	2000	GM 8.2L – 502ci – 8cyl
MERCRUISER	Engine	Model 525 EFI	2001	GM 8.2L – 502ci – 8cyl
MERCRUISER	Engine	Model 525 EFI	2002	GM 8.2L – 502ci – 8cyl
MERCRUISER	Engine	Model 600SCI	2002 – On	GM 8.2L – 502ci – 8cyl
MERCRUISER	Engine	Model 662SCI	2002 – On
MERCRUISER	Engine	Model 700SCI	2002 – On
MERCRUISER	Engine – Inboard	Model 350 Mag MPI (Gen +)	1999 – On	GM 5.7L – 350ci – 8cyl
MERCRUISER	Engine – Inboard	Model 350 Mag MPI Horizon	1999 – On	GM 5.7L – 350ci – 8cyl
MERCRUISER	Engine – Inboard	Model 5.7L EFI (Gen +)	1998 – On	GM 5.7L – 350ci – 8cyl
MERCRUISER	Engine – Inboard	Model 5.7L MIE	1999 – On	GM 5.7L – 350ci – 8cyl
MERCRUISER	Engine – Inboard	Model 8.1S HO	2001 – On	GM 8.1L – 496ci – 8cyl
MERCRUISER	Engine – Inboard	Model 8.1S Horizon	2001 – On	GM 8.1L – 496ci – 8cyl
MERCRUISER	Engine – Inboard	Model MX 6.2L MPI	2001 – On	GM 6.2L – 377ci – 8cyl
MERCRUISER	Engine – Inboard	Model MX 6.2L MPI Horizon	2001 – On	GM 6.2L – 377ci – 8cyl
MERCRUISER	Ski Engines	Black Scorpion Ski (Gen +)	1997 – On	GM 5.7L – 350ci – 8cyl
MERCRUISER	Ski Engines	Model 5.7L Ski (CARB)	1998 – On	GM 5.7L – 350ci – 8cyl
MERCRUISER	Ski Engines	Model MX 6.2L BS MPI Ski	2001 – On	GM 6.2L – 377ci – 8cyl
MERCRUISER	Stern Drive	Model 350 Mag MPI Alpha & Bravo	2001 – On	GM 5.7L – 350ci – 8cyl
MERCRUISER	Stern Drive	Model 350 Mag MPI Hor Alpha & Bravo	2001 – On	GM 5.7L – 350ci – 8cyl
MERCRUISER	Stern Drive	Model 4.3L (Carb.) Alpha & Bravo	2002 – On	GM 4.3L – 262ci – 6cyl
MERCRUISER	Stern Drive	Model 4.3L (MFI) Alpha & Bravo	2002 – On	GM 4.3L – 262ci – 6cyl
MERCRUISER	Stern Drive	Model 4.3L MPI	2001	GM 4.3L – 262ci – 6cyl
MERCRUISER	Stern Drive	Model 4.3L MPI	2002	GM 4.3L – 262ci – 6cyl
MERCRUISER	Stern Drive	Model 4.5L V6 (Mercruiser 4.5L)	All	4.5L V6
MERCRUISER	Stern Drive	Model 496 Mag	2001 – On	GM 8.1L – 496ci – 8cyl
MERCRUISER	Stern Drive	Model 496 Mag HO	2001 – On	GM 8.1L – 496ci – 8cyl
MERCRUISER	Stern Drive	Model 5.0L (2-BBL) (Gen +)	1998	GM 5.0L – 305ci – 8cyl
MERCRUISER	Stern Drive	Model 5.0L (2-BBL) (Gen +)	1999	GM 5.0L – 305ci – 8cyl
MERCRUISER	Stern Drive	Model 5.0L (2-BBL) (Gen +)	2000	GM 5.0L – 305ci – 8cyl
MERCRUISER	Stern Drive	Model 5.0L (2-BBL) (Gen +)	2001	GM 5.0L – 305ci – 8cyl
MERCRUISER	Stern Drive	Model 5.0L (2-BBL) (Gen +)	2002	GM 5.0L – 305ci – 8cyl
MERCRUISER	Stern Drive	Model 5.0L (Carb.) Alpha & Bravo	2002 – On	GM 5.0L – 305ci – 8cyl
MERCRUISER	Stern Drive	Model 5.0L MPI Alpha & Bravo	2001 – On	GM 5.0L – 305ci – 8cyl
MERCRUISER	Stern Drive	Model 5.7L (2-BBL) (Gen +)	1998	GM 5.7L – 350ci – 8cyl
MERCRUISER	Stern Drive	Model 5.7L (2-BBL) (Gen +)	1999	GM 5.7L – 350ci – 8cyl
MERCRUISER	Stern Drive	Model 5.7L (2-BBL) (Gen +)	2000	GM 5.7L – 350ci – 8cyl
MERCRUISER	Stern Drive	Model 5.7L (2-BBL) (Gen +)	2001	GM 5.7L – 350ci – 8cyl
MERCRUISER	Stern Drive	Model 5.7L (2-BBL) (Gen +)	2002	GM 5.7L – 350ci – 8cyl
MERCRUISER	Stern Drive	Model 5.7L (Carb.) Alpha & Bravo	2002 – On	GM 5.7L – 350ci – 8cyl
MERCRUISER	Stern Drive	Model MX 6.2L MPI	2000 – On	GM 6.2L – 377ci – 8cyl
MERCRUISER	Stern Drive	Model MX 6.2L MPI Horizon	2000 – On	GM 6.2L – 377ci – 8cyl

Replaces These Part Numbers

ARROWHEAD	ADR0452, 400-12408
DB Electrical	400-12408

Make	Model	Year
1997-On	MERCRUISER	Black Scorpion Ski (Gen +)
1997-On	MERCRUISER	Model 377 Scorpion
1998	MERCRUISER	Model 5.0L (2-BBL) (Gen +)
1998	MERCRUISER	Model 5.7L (2-BBL) (Gen +)
1998-On	MERCRUISER	Model 5.7L EFI (Gen +)
1998-On	MERCRUISER	Model 5.7L Ski (CARB)
1999	MERCRUISER	Model 5.0L (2-BBL) (Gen +)
1999	MERCRUISER	Model 5.7L (2-BBL) (Gen +)
1999-On	MERCRUISER	Model 350 Mag MPI (Gen +)
1999-On	MERCRUISER	Model 350 Mag MPI Horizon
1999-On	MERCRUISER	Model 5.7L MIE
2000	MERCRUISER	Model 5.0L (2-BBL) (Gen +)
2000	MERCRUISER	Model 5.7L (2-BBL) (Gen +)
2000	MERCRUISER	Model 500 EFI
2000	MERCRUISER	Model 525 EFI
2000 - ON	MERCRUISER	Model 377 Scorpion HO EC
2000 - ON	MERCRUISER	Model MX 6.2L MPI
2000 - ON	MERCRUISER	Model MX 6.2L MPI Horizon
2001	MERCRUISER	Model 4.3L MPI
2001	MERCRUISER	Model 5.0L (2-BBL) (Gen +)
2001	MERCRUISER	Model 5.7L (2-BBL) (Gen +)
2001	MERCRUISER	Model 500 EFI
2001	MERCRUISER	Model 525 EFI
2001-On	MERCRUISER	Model 350 Mag MPI Alpha & Bravo
2001-On	MERCRUISER	Model 350 Mag MPI Hor Alpha & Bravo
2001-On	MERCRUISER	Model 496 Mag
2001-On	MERCRUISER	Model 496 Mag HO
2001-On	MERCRUISER	Model 5.0L MPI Alpha & Bravo
2001-On	MERCRUISER	Model 8.1S HO
2001-On	MERCRUISER	Model 8.1S Horizon
2001-On	MERCRUISER	Model MX 6.2L BS MPI Ski
2001-On	MERCRUISER	Model MX 6.2L MPI
2001-On	MERCRUISER	Model MX 6.2L MPI Horizon
2002	MERCRUISER	Model 4.3L MPI
2002	MERCRUISER	Model 5.0L (2-BBL) (Gen +)
2002	MERCRUISER	Model 5.7L (2-BBL) (Gen +)
2002	MERCRUISER	Model 500 EFI
2002	MERCRUISER	Model 525 EFI
2002-On	MERCRUISER	Model 4.3L (Carb.) Alpha & Bravo
2002-On	MERCRUISER	Model 4.3L (MFI) Alpha & Bravo
2002-On	MERCRUISER	Model 5.0L (Carb.) Alpha & Bravo
2002-On	MERCRUISER	Model 5.7L (Carb.) Alpha & Bravo
2002-On	MERCRUISER	Model 600SCI
2002-On	MERCRUISER	Model 662SCI
2002-On	MERCRUISER	Model 700SCI
All	MERCRUISER	Model 4.5L V6 (Mercruiser 4.5L)

SHIPPING

Name: Alternator for Mercruiser ALT-12408 - Alternator Starter Replacement
SKU: ALT-12408
Price: 129.95 USD
Availability: InStock

A.S.R shipping hours are:

EAST Coast orders, Monday-Friday, 7:00 a.m. - 1:00 p.m. ET
WEST Coast orders, Monday-Friday, 7:00 a.m. - 1:00 p.m. PT

Orders placed within our regular hours of operation will normally be shipped within 12 business hours from the closest warehouse with product availability*. Orders placed after cut-off times will be shipped the following business day*. Tracking numbers will be e-mailed to all customers within 24 business hours after the order was placed. Please be sure the shipping address provided is correct as any delivery exceptions may incur an additional fee. No deliveries to PO Box addresses. *On rare occasions, there may be a shipping delay due to a short pick or back order and in those cases, customers will be promptly notified.

In order to provide fast shipping service for all customers, cancellations are not possible, as orders enter the shipping area almost immediately after being placed during shipping hours. Should you find yourself with this situation and your order was just placed, please contact customer service immediately and we will try to assist you with this matter.

A.S.R offers our customers convenient FREE economy shipping to the US 48 contiguous states and provide you with an (Estimated Date of Delivery) upon request. Please note that deliveries occur during business days of Monday-Friday. Holidays/weekends and shipping cut-off times may play a factor in (Estimated Date of Delivery), so we encourage our customers to plan accordingly. Should you need your product faster, other shipping options are also available for an additional fee. Saturday deliveries may be offered by UPS to select areas at an additional fee. Should you wish to use Saturday service, please contact customer service directly as Saturday shipping options are not provided online. Special care must be provided for this type of delivery service. Shipping fees to Hawaii, Alaska, Puerto Rico & Canada may incur a slightly higher fee.

Shipping - International

For customers outside of the United States, UPS international shipping is available. UPS shipping prices can be viewed online when the item is added to your cart for checkout. UPS offers the quickest shipping method. Please checkout using PayPal as other payment options may be declined due to financial institutions being based outside the US. Customers are responsible for paying all duties and taxes placed by the receiving country and/or entity.

For more economically priced shipping options but with longer transit time, USPS (United Postal Services) is also available by e-mailing customer service for a quote. Please include the part(s) you wish shipped and complete shipping address including postal code. A customer service representative will promptly send you a shipping quote and alternate PayPal invoice for your convenience.

Shipping - Calendar & A.S.R Holiday Closures

A.S.R primarily use UPS and local couriers for shipping of domestic packages. In order for you to plan your purchase and determine shipping schedules around holiday seasons, we use the UPS calendar and encourage you to visit the UPS link below to determine exactly when orders will or will not be picked up from the distribution centers and/or delivered to your door.

A.S.R will observe and be closed on all US Federal holidays as well as the day after Thanksgiving and on Christmas Eve.

Purchases

A.S.R strives to provide excellent and innovative customer service. We offer our customers extended business hours that allow us to serve our customers from coast to coast by e-mail and toll-free number.

A.S.R makes every attempt to assist customers in locating the direct replacement for their part in many ways such as searches by make and model, photographs sent by email, but the best way to match parts is by providing an OEM part number for the item you wish to purchase. Please note that when a sales representative provides a part number being that A.S.R does not physically have the part in question, it is a recommendation based on the information provided by the customer. It is the responsibility of the customer to view the picture(s) of the recommended part number provided on our website, to confirm it is indeed the part they physically have. Should a picture not be available on the website, please contact customer service and an example may be available to be sent via email. Actual products may vary in appearance from those store models pictured on the website.

Should customers have additional doubts after viewing any part, an A.S.R representative will be more than happy to provide additional technical specifications, if available. A.S.R are not responsible for parts purchased in error by customer and are subject to return policy listed below. Once again, we encourage customers to locate replacement parts online using the OEM part number specifically used by the application in question. This method will significantly reduce the chance of an erroneous order.

Once the part has been delivered, please inspect your part. All issues or damage must be reported within 24 hours either by email or phone call to customer service.

WARRANTY

A.S.R backs all units sold on this website with a ONE (1) year warranty, from original date of purchase. Warranty covers manufacturer defects, but does not cover any damage caused by any other circumstance such as installation or mechanical error, weathering, corrosion/oxidation, damage due to water, alteration, physical damage or abuse, normal wear and tear, etc. Please note that parts found to be opened, altered, repaired, improperly installed and/or missing any parts both within and/or outside the unit after receipt will void warranty.

In order to take advantage of our warranty during its validity period, please contact us and we will happily provide you, within one (1) business day, an RGA number. Customers must clearly print the RGA Number provided on the exterior shipping box and include RGA form (if applicable) within the return box. Regardless of where it was shipped from, your return must be sent to the address provided together with your RGA number. Returns sent without following this procedure will not be processed. All part(s) must be received by us within 30 days of the original purchase date or issuance of RGA number or credit will not be issued. All warrantied returns are inspected and/or tested. For quicker return processing, please be sure to email customer service with the return tracking number so that the warranty return can also be tracked in our system.

For warrantied parts, credit will be issued in the form of a replacement part only, unless the part is out of stock at the time of replacement in which case a full refund will be issued. Should a replacement part need to be shipped, it will not be sent out until part(s) in question is received, inspected and/or tested. In cases where time is of the essence, it is suggested a duplicate part be ordered and once the warrantied part has been received by the warehouse and inspected and/or tested, the appropriate credit will be issued.

In the event the product you are returning does NOT meet the requirements described above, we will photograph the part(s) and/or packaging and send you the photos taken via e-mail with a statement as to why the return was denied. The part(s) will be returned to you after shipping arrangements are made.

A.S.R is not responsible for any damage, labor cost and/or expense incurred by any defective unit.
No product A.S.R sales is intended for aircraft.
Only products marked with (SJE J1171 CERITIFED / ISO 8846 CERTIFIED) are intended for marine applications.