Mechman 250A Alternator For 2014-21 GM Silverado Tahoe Suburban Escalade Sierra

*Most alternators are custom built to order. Standard build time is 10-14 days.*

NEW! - The cast housing Elite series alternator offers the highest possible amperage and durability available in a large case alternator. 6 phase technology combined with massive twin rectifier assemblies and 12 diodes makes these alternators totally durable for daily use, while still maintaining great output: 180 amps at engine idle speeds and a full 250 at cruising speeds. This unit comes with an OEM diameter pulley, making it perfect for high RPM and racing use and uses stock belt length.

Other Options for these vehicles:

Mechman 320A

Mechman 370A Black Billet

Mechman 400A Black Billet

Fitment Guide: