Common Signs of a Bad Alternator

If your alternator is beginning to fail, you may notice:

• Battery warning light on dashboard
• Flickering or dim headlights
• Weak starting or dead battery
• Electrical accessories acting erratically
• Burning electrical smell
• Low charging voltage

Most factory alternators on these vehicles begin showing wear around the 150k–200k mile range.

Troubleshoot your alternator using this DIY article if you need to test your RSX alternator.

【Compatibility】Fits for Honda CR-V 2.4 2.4L 2002 2003 2004 2005 2006, Have compatibility for Acura RSX 2.0 2.0L 2002 2003 2004 2005 2006

Honda CR-V Acura RSX Alternator Replacement 31100-PND-004 2002-2006

Vehicle Compatibility

This alternator fits several K-series Honda and Acura models.

Honda:

• Honda CR-V → 2.4L K24

Acura:

• Acura RSX → 2.0L K20

OEM Reference Numbers:

• 31100-PND-004
• 31100-PNC-004
• 90-27-3315N
• 1-2530-01MI

【Replaces Numbers】For 90-27-3315N, 90-27-3315, 1-2530-01MI, 31100-PND-004
【Specification】Alternator, Voltage: 12, Rotation: CW, Amperage: 90, Regulator: IR, Fan Kind: IF.

Key Features

Most direct-fit replacement alternators in this category include:

• 90A output
• 12V charging system
• 7-groove pulley
• Internal voltage regulator
• Direct OEM-style mounting
• Plug-and-play electrical connection

【Sturdy Power】Aluminum alternator, pure copper thickened coil, Sturdy power, stable power provide. External insulating coating to forestall short circuits, durable and long life

Why Replace the Alternator Early?

Waiting too long can lead to:

• Dead batteries
• ECU voltage instability
• Misfires and drivability issues
• Premature battery failure

A weak alternator can also damage newer batteries by undercharging or overcharging them.

【In-situ Installation】Can be utilized typically with none debugging and modification. We provide 30 day refund, 1 year free replacement portions

OEM vs Aftermarket Alternators

OEM Advantages:

• Proven long-term reliability
• Factory-quality voltage regulation

Aftermarket Advantages:

• Lower cost
• Easy availability
• Some upgraded amperage options

For daily drivers, a quality aftermarket replacement is usually sufficient unless you’re running heavy electrical loads.

Best Use Cases

This replacement alternator is ideal for:

• Daily drivers
• High-mileage CR-Vs
• RSX restoration projects
• K-series swap spare parts
• Preventive maintenance upgrades

Installation Notes

• Disconnect battery before installation
• Inspect serpentine belt while replacing alternator
• Verify pulley alignment before startup
• Recommended to test battery after installation

Typical install time:

• 1–2 hours depending on vehicle and tools

Which Alternator Should You Choose?

• Want the best budget-friendly option? → A-Premium
• Want OE-style quality? → TYC
• Want trusted aftermarket reliability? → DB Electrical
• Want premium aftermarket? → Rareelectrical

For most CR-V and RSX owners, a quality 90A direct-fit replacement restores factory charging performance without needing expensive OEM components.