11311N 90A Alternator for Hyundai Elantra, Kia Soul & Spectra: Fitment, Specs and Replacement Guide

What Vehicles Does the 11311N Alternator Fit?

According to the supplied manufacturer listing, the 11311N alternator is compatible with select Hyundai and Kia models equipped with the 2.0L four-cylinder engine.

Complete 11311N Alternator Vehicle Fitment Chart

These are manufacturer-advertised applications. Confirm compatibility using the vehicle VIN and original alternator part number before purchasing.

2007–2012 Hyundai Elantra 2.0L Alternator

The Hyundai Elantra 2.0L is one of the primary advertised applications for the 11311N alternator.

The manufacturer lists compatibility with 2007, 2008, 2009, 2010, 2011, and 2012 Elantra 2.0L models.

Important fitment consideration: Hyundai introduced a new generation of Elantra sedan for the 2011 model year, and many 2011–2012 Elantra sedans use a 1.8L engine rather than the earlier 2.0L.

Some Elantra body styles and market configurations differ, so buyers should not assume every 2011 or 2012 Elantra uses this alternator.

Confirm the actual engine, original alternator number, and vehicle configuration.

2010–2011 Kia Soul 2.0L Alternator

The first-generation Kia Soul was available with different four-cylinder engines.

The 11311N is advertised for the 2010–2011 Kia Soul 2.0L.

Compatibility with the 1.6L engine is not established by this listing.

If your Soul has charging-system problems, check the battery, accessory belt, and electrical connections before replacing the alternator.

2007–2009 Kia Spectra 2.0L Alternator

The Kia Spectra 2.0L is another advertised application.

The listing includes the 2007, 2008, and 2009 model years.

Verify that the original alternator matches the advertised 37300-23650 interchange and four-groove pulley configuration.

2007–2009 Kia Spectra5 2.0L Alternator

The 11311N is also advertised for the Kia Spectra5 hatchback equipped with the 2.0L engine.

Although the Spectra and Spectra5 share related mechanical components, buyers should still confirm the alternator’s mounting points, electrical connector, and OE number.

11311N Alternator OEM and Aftermarket Cross-Reference Numbers

The manufacturer provides the following replacement and interchange references.

These are advertised interchange references, not independent confirmation that every number is interchangeable in every application.

Before ordering, compare the original alternator’s OE number, electrical connector, mounting arrangement, pulley design, and output rating.

Why a Reliable 90-Amp Alternator Matters

The alternator generates electrical power while the engine is running and replenishes energy used during starting.

On compatible Hyundai and Kia vehicles, the charging system supplies electricity to essential components including:

• Engine control module
• Fuel injectors and ignition coils
• Headlights and exterior lighting
• Interior electronics
• Cabin blower motor
• Cooling fans
• Rear-window defroster
• Audio equipment
• Battery charging

The 11311N’s advertised 90-amp output is intended to support compatible factory electrical systems.

However, actual output changes with engine speed, temperature, and electrical demand.

Owners who have installed high-powered aftermarket audio equipment or additional electrical accessories should evaluate their total electrical requirements rather than assuming a stock-style replacement alternator offers additional capacity.

Six Signs Your Hyundai or Kia Alternator Is Failing

A failing alternator can produce several symptoms before the charging system stops working completely.

1. Battery Warning Light Comes On

An illuminated battery warning light while driving may indicate a charging-system problem.

Possible causes include alternator failure, damaged wiring, poor electrical connections, or accessory-belt problems.

The warning does not automatically mean the battery itself needs replacement.

2. Battery Keeps Dying

If your Elantra, Soul, or Spectra repeatedly needs jump-starting, the alternator may not be replenishing the battery correctly.

However, a deteriorating battery, parasitic electrical draw, or corroded battery terminal can produce similar symptoms.

Testing is essential before replacing parts.

3. Headlights Dim or Flicker

Unusual changes in headlight brightness may indicate unstable charging voltage.

Symptoms can become more noticeable when the blower motor, rear defroster, or other electrical accessories are operating.

4. Whining or Grinding Noise

Worn alternator bearings may produce whining, grinding, or rattling noises that change with engine speed.

Other belt-driven components can create similar sounds, so inspect the complete accessory-drive system.

5. Electrical Accessories Act Strange

Low or unstable charging voltage can contribute to intermittent warning lights, accessory malfunctions, or unusual electronic behavior.

These symptoms are not exclusive to alternator failure and should be diagnosed systematically.

6. Engine Stalls or Won’t Restart

If the alternator stops charging, the vehicle may temporarily continue operating on stored battery energy.

Once battery voltage drops too low, essential engine electronics may stop functioning.

A vehicle with a confirmed charging-system failure should not be driven until the problem is repaired.

How to Test the Alternator Before Replacing It

Replacing an alternator without confirming the diagnosis can waste money and leave the original problem unresolved.

A digital multimeter provides a useful starting point.

Step 1: Check Battery Voltage

With the engine off and the battery rested, measure voltage across the battery terminals.

A fully charged conventional 12-volt lead-acid battery typically measures approximately 12.6 volts.

A substantially lower reading may indicate a discharged or deteriorating battery.

Step 2: Start the Engine

Measure battery voltage again with the engine running.

Many conventional charging systems operate around 13.5–14.8 volts during active charging.

However, electronically controlled charging systems can vary output according to operating conditions.

Compare readings with the appropriate vehicle service specifications.

Step 3: Apply Electrical Load

Turn on the headlights, cabin blower, and rear-window defroster.

Observe how charging voltage responds.

A significant inability to maintain charging under load may justify further testing.

Step 4: Inspect the Serpentine Belt

Check the accessory belt for cracking, glazing, contamination, or unusual wear.

Also inspect the belt tensioner and related pulleys.

A slipping belt can prevent a functioning alternator from charging correctly.

Step 5: Inspect Electrical Connections

Check the alternator output cable, battery terminals, engine grounds, and related fuses.

Excessive resistance in a cable or connection can interfere with charging performance.

Safety warning: Never disconnect the battery while the engine is running to test alternator output. Voltage spikes can damage sensitive vehicle electronics.

11311N Alternator Construction and Features

The manufacturer advertises several design features intended to support charging performance and durability.

New Replacement Construction

The product is advertised as a new alternator rather than a remanufactured unit.

This distinction may matter to buyers comparing replacement options, although new construction alone does not establish superior durability.

Internal Voltage Regulator

The alternator uses an internally regulated configuration.

Correct regulator compatibility is essential for proper operation with the vehicle’s charging-control system.

Internal Cooling Fan

The internal cooling fan helps circulate air through the alternator housing.

Heat management is important because excessive operating temperatures can shorten the service life of bearings, rectifiers, and electrical components.

Four-Groove Pulley

The 11311N features an advertised four-groove pulley.

Correct pulley configuration and alignment are essential for proper accessory-belt operation.

Before installation, compare the replacement pulley with the original alternator.

Manufacturer-Advertised Quality Testing

The manufacturer states that each alternator undergoes 1,000 simulation tests before leaving the factory.

This is a manufacturer claim. The supplied information does not identify the individual test procedures, acceptance criteria, or independent verification results.

One-Year Free Replacement Warranty

The manufacturer advertises a one-year free replacement warranty.

Buyers should confirm the seller’s current terms, eligibility requirements, exclusions, and claim procedures before ordering.

How to Replace the Alternator on a Hyundai Elantra or Kia 2.0L

Alternator replacement requires attention to electrical safety, accessory-belt routing, and component access.

The following steps provide a general overview rather than a substitute for factory service instructions.

General Replacement Procedure

1. Park the vehicle on level ground, switch off the ignition, and allow the engine to cool.
2. Disconnect the negative battery terminal.
3. Locate the alternator and identify the accessory-belt routing.
4. Remove components necessary for safe access according to the vehicle service manual.
5. Release accessory-belt tension using the specified procedure.
6. Remove the belt from the alternator pulley.
7. Disconnect the alternator electrical connector and main charging cable.
8. Remove the alternator mounting fasteners.
9. Carefully remove the original alternator.
10. Compare the original and replacement assemblies, including mounting points, connector, pulley, and OE number.
11. Install the 11311N alternator using the correct factory mounting procedure and torque specifications.
12. Reinstall the accessory belt and verify pulley alignment.
13. Reconnect the battery and test charging-system operation.

Always consult the correct service information for your vehicle’s model year and engine.

Common Installation Mistakes

Ordering by model year alone: Verify the engine and OE alternator number, especially on 2011–2012 Elantra applications.

Incorrect pulley configuration: The listing specifies a four-groove pulley. Confirm it matches the original alternator.

Loose charging cable: Poor electrical connections can create resistance, heat, and charging problems.

Ignoring belt wear: A worn or slipping belt can prevent a healthy alternator from charging correctly.

Skipping battery testing: A damaged battery may continue causing starting problems after the alternator is replaced.

Is the 11311N 90A Alternator Worth Buying?

The 11311N alternator is worth considering for owners of compatible Hyundai Elantra, Kia Soul, Spectra, and Spectra5 models who need to replace a failed charging-system component.

Potential Advantages

• Advertised fitment across several Hyundai and Kia 2.0L applications
• 90-amp rated output
• 12-volt electrical configuration
• New replacement construction
• Four-groove pulley
• Internal voltage regulator
• Internal cooling fan
• Multiple OE and aftermarket interchange numbers
• Manufacturer-advertised quality testing
• One-year free replacement warranty, as advertised

Things to Consider

The supplied product information does not identify a current selling price, independent long-term durability results, or verified comparative testing against genuine Hyundai or Kia equipment.

The advertised one-year replacement coverage should also be reviewed for exclusions and claim procedures.

Compare the actual purchase price, warranty terms, return policy, and confirmed fitment against OEM and other aftermarket alternatives.

Frequently Asked Questions

Does the 11311N alternator fit a 2007 Hyundai Elantra?

It is advertised for select 2007 Hyundai Elantra models equipped with the 2.0L four-cylinder engine. Verify the original alternator number before purchasing.

Will this alternator fit a 2010 Hyundai Elantra 2.0L?

The 2010 Elantra 2.0L is included in the manufacturer’s advertised fitment range.

Does the 11311N alternator fit a 2012 Hyundai Elantra?

The manufacturer lists 2012 Elantra 2.0L applications, but not every 2012 Elantra has that engine. Confirm the exact vehicle configuration and OE alternator number.

Will this alternator fit a 2010 Kia Soul?

It is advertised for the 2010 Kia Soul equipped with the 2.0L four-cylinder engine. Compatibility with the 1.6L engine is not established.

Does the 11311N alternator fit a 2009 Kia Spectra?

The 2009 Kia Spectra 2.0L is included in the manufacturer’s advertised fitment range.

Does this alternator fit the Kia Spectra5?

Yes, the manufacturer advertises compatibility with 2007–2009 Kia Spectra5 models equipped with the 2.0L engine, subject to OE-part verification.

Is the 11311N a 90-amp alternator?

Yes. The supplied product listing specifies a 90-amp rated output and 12-volt electrical configuration.

What is Hyundai/Kia part number 37300-23650?

37300-23650 is a Hyundai/Kia OE alternator reference included in the manufacturer’s advertised interchange list.

Does the 11311N alternator have a warranty?

The manufacturer advertises one-year free replacement coverage. Confirm the seller’s current warranty terms before ordering.

Can a bad alternator cause a Hyundai Elantra or Kia Soul to stall?

Yes. If the charging system fails and battery voltage drops too low, essential engine electronics may stop functioning.

Final Verdict: 11311N 90A Alternator for Hyundai and Kia 2.0L

The 11311N 90-amp replacement alternator offers an aftermarket option for select 2007–2012 Hyundai Elantra, 2010–2011 Kia Soul, and 2007–2009 Kia Spectra and Spectra5 2.0L applications.

Its advertised 90-amp output, four-groove pulley, internal voltage regulator, and Hyundai/Kia OE cross-reference numbers make it worth evaluating when the original alternator fails.

The manufacturer’s one-year free replacement warranty is another consideration for buyers comparing aftermarket options.

However, correct fitment and proper diagnosis remain essential.

Confirm the original alternator number, test the battery and charging system, and inspect the belt and electrical connections before ordering.

Because replacing a perfectly good alternator when the actual problem is a loose battery terminal is one of the more expensive ways to spend a weekend in the garage.