Mechman 320A Alternator For 2014-21 GM Silverado Tahoe Suburban Escalade Sierra
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About the Product
*Most alternators are custom built to order. Standard build time is 10-14 days.*
The cast housing Elite series offers the highest possible amperage and durability available in a large case hairpin alternator. 6 phase technology combined with massive twin rectifier assemblies and 12 diodes make these alternators totally durable for daily use, while still maintaining great output. This alternator cranks out over 200 amps at engine idle speeds and a full 320+ at cruising speeds at FULL TEMPERATURE. These alternators use the more robust 4 pin style regulator than the OE 2 pin ECU controlled alternator. There is no extreme voltage fluctuation as this will bypass the RVC charging system on all 2005> GM truck applications. Simply install the included 1 wire P101 harness to a tested 12v switched source and plug in the included P103 module into the vehicles 2 pin original alternator wiring harness. No check battery light, no computer controlled voltage swings. The voltage you want, when you want it!
Other Options for these vehicles:
Installation Notes:
This unit comes equipped with a smaller 1.75 inch diameter alternator pulley, and will require a slightly shorter drive belt for proper belt tension. Not recommended for sustained use above 5,000 RPM engine speed. ((Check instructions section for finding belt sizes and wiring)). If you DO NOT use the correct shorter belt, this will result in very low to no output and create extra work load for the alternator.
Fitment Guide:
| Make | Model | Engine Size | Year |
| Cadillac | Escalade | 6.2L | 2014 - 2019 |
| Chevrolet | Silverado 1500 / 2500 / 3500 | All Gas Engines | 2014 - 2018 |
| Chevrolet | Silverado 1500 / 2500 / 3500 | 6.6L Duramax | 2007 - 2019 |
| Chevrolet | Suburban | All Gas Engines | 2015 - 2018 |
| Chevrolet | Tahoe | All Gas Engines | 2014 - 2018 |
| GMC | Sierra 1500 / 2500 / 3500 | 4.3L / 5.3L | 2014 - 2018 |
| GMC | Sierra 1500 / 2500 / 3500 | 6.0L | 2014 - 2016 |
| GMC | Sierra 1500 / 2500 / 3500 | 6.2L | 2014 - 2018 |
| GMC | Sierra 2500 / 3500 | 6.6L Duramax | 2014 - 2018 |
| GMC | Yukon | All Gas Engines |
2014 - 2018 |
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Free shipping is available in the continental United States, excluding Hawaii and Alaska.
International shipping is available and calculated at checkout.
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Easy Returns
Return for refund within: 30 days
Return for replacement within: 30 days
Standard Return Policy Overview
You may return merchandise purchased from Showtime Electronics for a refund or a replacement, provided that the procedures and requirements are followed. All returns require a return merchandise authorization (RMA) number. An RMA number must be issued within 30 calendar days after the date of purchase. An RMA number is valid for 14 calendar days after it is issued. Once you log in to your user account, you will be able to Request and RMA. In addition, you can also request an RMA at the bottom of our homepage. If you have any issues, please email us at sales@showtimeelectronics.com
