Name: Mechman 390-Amp High Output Alternator 1996-2020 GM Truck/SUV 4.3L 4.8L 5.3L 5.7L 6.0L (Natural)
SKU: 630440131
Price: 868.94 BRL
Availability: OutOfStock
Rating: 4.875 (8 reviews)

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

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Description

⚡ Power Your GM Beast with Mechman – Amp Up or Miss Out!

ALL INCLUSIVE KIT - Comes with all necessary wiring harnesses and adapters—just add your power cables and a shorter belt to get rolling.
POWER THAT OUTPERFORMS - Delivers a robust 390+ amps, tested up to 417 amps, ensuring your rig never runs low on juice.
BUILT TO LAST PERFORM - Durable cast finish with a 2-year warranty, engineered for reliable daily high-RPM operation.
PLUG PLAY VERSATILITY - Includes harnesses for both 1996-2004 and 2005-2020 GM models—easy install, zero guesswork.
FUTURE PROOF VOLTAGE BOOST - Compatible with Mechman voltage booster harnesses for up to 17V output, perfect for lithium battery upgrades.

The Mechman 390-Amp High Output Alternator is a desertcart exclusive designed for 1996-2020 GM Trucks and SUVs. It delivers a reliable 390+ amps (tested up to 417 amps) with voltage ranging from 14.5 to 15V, supporting modern AGM and lithium battery setups. Featuring a durable cast finish, included wiring harnesses for multiple model years, and compatibility with voltage booster harnesses for up to 17V, this alternator offers versatile, high-performance power with a 2-year warranty. Installation is simplified with all necessary adapters included, requiring only a half-inch shorter belt and power cables to complete your upgrade.

Specifications

ASIN	B0D3SF6DFH
Best Sellers Rank	#431,994 in Automotive ( See Top 100 in Automotive ) #1,359 in Automotive Replacement Alternators
Brand	Mechman Alternators
Customer Reviews	4.6 4.6 out of 5 stars (51)
Date First Available	September 14, 2023
Exterior	cast
Item Weight	16 pounds
Item model number	14009390
Manufacturer	Mechman Alternators
Manufacturer Part Number	14009390
Model	14009390

Reviews

J**T

31.12.2025

B**Y

19.09.2025

K**L

23.10.2025

O**E

11.12.2025

M**N

29.07.2025

R**.

22.08.2025

A**.

9.08.2025

T**Y

20.04.2026

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