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1998-2004 Chevrolet S10 V6 4.3L High Output Alternator

1998-2004 Chevrolet S10 V6 4.3L High Output Alternator

5(1 rating)

Best price now

$399.00at JS AlternatorsChecked Nov 10

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Price facts

  • Last seen at $399.00 at JS Alternators on Nov 10.

Our take on the 1998-2004 Chevrolet S10 V6 4.3L High Output Alternator

This is a direct-fit high-output alternator for the 1998-2004 Chevrolet S10 with the 4.3L V6. It drops into the stock alternator location and uses a factory-style plug, so the OEM harness connects without adapters and the stock regulator keeps the factory voltage set point. A smaller pulley spins the unit faster to reach its full output, which means you must fit a belt 1/2 to 1 inch shorter. It suits owners running extra electrical load, such as audio systems, winches, lights or accessories, who want more charging capacity without custom bracketry.

Best for1998-2004 S10 4.3L owners adding electrical accessoriesAudio and off-road builds needing more charging capacityOwners who want a bolt-in upgrade with the stock plug
Pros
  • Direct fit in the stock alternator location
  • Factory-style plug mates with the OEM harness
  • Stock voltage set point with the OEM-style regulator
  • Smaller pulley helps it reach maximum output
  • Optional regulators available for a custom voltage set point
Cons
  • Requires a 1/2 to 1 inch shorter belt
  • Custom voltage set points need a separate regulator purchase
  • Higher output can stress the stock charge wiring at full load

1998-2004 Chevrolet S10 V6 4.3L High Output Alternator prices at every store

  • JS AlternatorsNew

    In stockReturn policy

    $399.00Checked Nov 10
    Visit JS Alternators

About the 1998-2004 Chevrolet S10 V6 4.3L High Output Alternator

This is a direct-fit high-output alternator for the 1998-2004 Chevrolet S10 with the 4.3L V6. It mounts in the stock alternator location.

It has a factory-style plug, so the OEM connector plugs directly into it. With an OEM-style regulator, it runs at the factory voltage set point. A different voltage regulator is needed if a specific charging voltage setpoint is required, and it must be purchased with the alternator for installation.

The alternator comes with a smaller pulley, which spins it faster than a larger pulley would. This can help it produce its maximum output. With the smaller pulley, a belt that is 1/2" to 1" shorter is required.

Fitment
1998-2004 Chevrolet S10, 4.3L V6
Type
High-output alternator, direct fit
Plug
Factory-style plug for the OEM connector
Belt
1/2" to 1" shorter belt required
Regulator
OEM-style regulator gives the factory voltage set point; other voltage regulators are sold separately
Wiring
Big 3 Wiring Upgrade Kit required; 1/0 100% copper wire recommended

Questions and answers

Does it bolt into the stock location?
Yes. It is a direct fit for the 1998-2004 S10 4.3L and installs in the stock alternator location.
Will my factory plug connect?
Yes. It has a factory-style plug, so the OEM connector plugs straight in, and the OEM-style regulator keeps the factory voltage set point.
Do I need a different belt?
Yes. The smaller pulley spins the alternator faster, so you need a belt 1/2 to 1 inch shorter than stock.
Can I change the charging voltage?
Only with a different regulator. The unit ships with an OEM-style regulator at the factory set point; other voltage regulators are sold separately and must be installed with the alternator.
Will it fit a 4.3L S10 outside 1998-2004?
No. Fitment is listed for the 1998-2004 Chevrolet S10 4.3L only.
Is it worth it over a stock replacement?
If you run extra electrical loads, the higher output and faster-spinning pulley give more charging capacity than a stock alternator while keeping the bolt-in install.
Where is the 1998-2004 Chevrolet S10 V6 4.3L High Output Alternator cheapest?
At JS Alternators, for $399.00, as of our latest check.
What do buyers say about the 1998-2004 Chevrolet S10 V6 4.3L High Output Alternator?
Rated 5 out of 5 from 1 ratings.

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