Is 37 amps enough for my car?

It fits vehicles originally equipped with a 37-amp alternator, typically older or small-engine cars. If you added a big stereo, off-road lights or a winch, step up to a higher-output unit.

What does the HD series mean?

Carquest markets the HD series for vibration resistance in hard-working vehicles. It is a build claim, not a higher amperage rating.

Is this new or remanufactured?

Confirm the unit's condition with the store before ordering as Carquest offers both new and remanufactured components in this series.

Will it fit my vehicle?

Fit depends on your engine and mounting, not just amperage. Cross-check the 71-12223N part number against your old alternator or your vehicle's parts lookup.

Where is the Carquest 71-12223N Alternator cheapest?

At Zoro, for $148.99, as of our latest check.

Where can I buy the Carquest 71-12223N Alternator?

2 stores we checked sell it, including Zoro, Advance Auto Parts.

Carquest 71-12223N Alternator

Best price now

$148.99at ZoroChecked Nov 8

Compared across 2 stores. Prices are checked against each store and labelled with when.

Visit Zoro

Carquest 71-12223N Alternator

Best price now

$148.99at ZoroChecked Nov 8

Compared across 2 stores. Prices are checked against each store and labelled with when.

Visit Zoro

Ask our agent about this product

It checks today's price at every store, compares the alternatives and answers in about a minute.

Price facts

Last seen at $148.99 at Zoro on Nov 8.
Checked at 2 stores.

Our take on the Carquest 71-12223N Alternator

The Carquest 71-12223N is a 12-volt, 37-amp alternator from the HD series, built for hard-working vehicles and marketed with a vibration-resistant design. Its 37-amp output is modest, so it suits older cars and light-duty applications rather than modern vehicles with heavy electrical loads. It uses high-quality electronic technologies for internal components to prevent failures in extreme environments.

Best forOwners of older cars with low electrical demandLight-duty trucks and work vehiclesReplacing a failed 37-amp alternator with the same fitmentBuyers who want an HD-series unit for high-vibration environments

Pros

37-amp, 12-volt output matches many older and small-engine applications
HD series is marketed for vibration resistance in hard-working vehicles
Simple bolt-on replacement for a failed alternator of the same spec
Uses high-quality electronic technologies for internal components

Cons

37 amps is low for modern cars with AC, lighting and audio upgrades
No published warranty or output curve in the listing details
Carquest's remanufactured reputation varies by rebuilder
Limited store availability makes stock options thin

Carquest 71-12223N Alternator prices at every store

ZoroNew
In stock
$148.99Checked Nov 8
Visit Zoro
Advance Auto PartsNew
In stock
$449.99Checked Nov 8
Visit Advance Auto Parts

Carquest 71-12223N Alternator price history

Lowest price we've seen: $148.99 on Nov 8 at Zoro. Tracked across 2 stores since Nov 8.

Specifications

Amperage: 37A
Voltage: 12V
Durability: Extreme vibration failure solution
Output: Maximum output
Part Type: Alternator
Series: HD
Component Subtype: Alternator
Special Technologies: High quality electronic technologies for internal components

Questions and answers

Is 37 amps enough for my car?: It fits vehicles originally equipped with a 37-amp alternator, typically older or small-engine cars. If you added a big stereo, off-road lights or a winch, step up to a higher-output unit.
What does the HD series mean?: Carquest markets the HD series for vibration resistance in hard-working vehicles. It is a build claim, not a higher amperage rating.
Is this new or remanufactured?: Confirm the unit's condition with the store before ordering as Carquest offers both new and remanufactured components in this series.
Will it fit my vehicle?: Fit depends on your engine and mounting, not just amperage. Cross-check the 71-12223N part number against your old alternator or your vehicle's parts lookup.
Where is the Carquest 71-12223N Alternator cheapest?: At Zoro, for $148.99, as of our latest check.
Where can I buy the Carquest 71-12223N Alternator?: 2 stores we checked sell it, including Zoro, Advance Auto Parts.