×
close
248-843-1900

Monday - Friday, 9am-5pm EST

Sinister Diesel 08-12 GM Duramax 6.6L LMM/LML 320 Amp OEM High Output Alternator - SD-ALT-6.6-08-320
click to zoom in

Sinister Diesel 08-12 GM Duramax 6.6L LMM/LML 320 Amp OEM High Output Alternator - SD-ALT-6.6-08-320

(No reviews yet) Write a Review
MSRP: $1,091.99
$839.99
(You save $252.00 )
SKU:
SINSD-ALT-6.6-08-320
UPC:
841788110440
Availability:
This part is back-ordered therefore shipping time will vary.
MPN:
SD-ALT-6.6-08-320
Special Order:
Y
Sinister Diesel 08-12 GM Duramax 6.6L LMM/LML 320 Amp OEM High Output Alternator - SD-ALT-6.6-08-320

Sinister Diesel 08-12 GM Duramax 6.6L LMM/LML 320 Amp OEM High Output Alternator - SD-ALT-6.6-08-320

MSRP: $1,091.99
$839.99
(You save $252.00 )
Sinister Diesel 320 Amp OEM alternators are trusted by many Diesel repair shops and stores to be the fix all solution for the GM Duramax 6.6L alternator failures which may cause electronics failures due to low voltage from the lack of alternator power that comes from the factory. Sinister Diesel's proudly uses brand new OEM alternator components such as the Stator, Rotor, Rectifier and Regulator to give our customers piece of mind to match our standard of quality. Our alternator will be a direct fitment without any modifications needed. We can proudly stand behind all of our alternators with a 1-year warranty.

This Part Fits:

YearMakeModelSubmodel
2008-2012ChevroletSilverado 2500 HDLT
2008-2012ChevroletSilverado 2500 HDLTZ
2008-2012ChevroletSilverado 2500 HDWT
2008-2012ChevroletSilverado 3500 HDLT
2008-2012ChevroletSilverado 3500 HDLTZ
2008-2012ChevroletSilverado 3500 HDWT
2011-2012GMCSierra 2500 HDDenali
2008-2012GMCSierra 2500 HDSLE
2008-2012GMCSierra 2500 HDSLT
2008-2012GMCSierra 2500 HDWT
2011-2012GMCSierra 3500 HDDenali
2008-2012GMCSierra 3500 HDSLE
2008-2012GMCSierra 3500 HDSLT
2008-2012GMCSierra 3500 HDWT
Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

Shipping to USA and Canada

More Information*

Lowest Price Guarantee

More Information*

Secure Checkout Guarantee

More Information*
to top