Cyber Weekend Sale - Crazy Deals with Savings Up to 75% Off!

Alternator - 18-5966 - Sierra

Alternator - 18-5966 - Sierra
Your Price: $178.29
Save: $65.93
(26% Off $244.22)
Part # 18-5966 ValueShip™ Eligible
SHIPS TODAY!* if ordered in 1 hr 33 mins.
This item is found in the following Product Families
Replaces OEM part #
Single Groove Pulley
55 Amp
SAE J1171
Average Customer Review for Alternator - 18-5966 - Sierra
Full StarFull StarFull StarFull StarFull Star Based On 2 Reviews | Write Review
Full StarFull StarFull StarFull StarFull Stargreat
by Gerzain from Tracy, California on August 29, 2011
great part guys well done. thank you
(1 of 1 people found this review helpful)
Was this review helpful?
Full StarFull StarFull StarFull StarFull StarIt fit's
by Les from Berrien Springs, Michigan on August 09, 2011
This was a easy installation and it works. thank you two thumbs up. LES
(1 of 1 people found this review helpful)
Was this review helpful?
I have a 1986 Mercruiser 228 with an alternator?
We would need engine serial number to confirm. Contact us at the number a the top of the page with that info.
Ask a question for
Question & Answer Guidelines
This product ships in 1 business day.
Add to Cart and enter your Postal Code to determine the shipping charges and estimated delivery date.
Most products and orders leave our warehouse in 1 business day. However, select items may take more processing time. Alaska and Hawaii orders please add 1 additional warehouse processing day.
Standard Shipping Policies
Do you need Professional Installation? has teamed with a national network of independent installers that are ready to handle your installation needs.
Find your local Amtech dealer:
Don't forget to shop for next season! Check out our End of Season Deals!