What Does the Serpentine Belt Do?

The serpentine belt drives critical engine accessories including:

• Alternator
• Power steering pump
• A/C compressor
• Water pump (on some applications)

Without it, your engine quickly turns into a very expensive paperweight.

7PK1730 Serpentine Belt for Honda CR-V Acura RSX 2002-2006

Common Signs of a Worn Serpentine Belt

If your belt is failing, you may notice:

• Squealing during startup
• Chirping noises at idle
• Cracks in the ribs
• Glazing or shiny belt surface
• Battery charging issues
• Weak power steering

And yes, ignoring it until it snaps is technically a strategy. Just not a very good one.

Learn how to test your Acura RSX alternator using this DIY article.

Product Identify: Serpentine Belt
Section Quantity: 7PK1730
Change Quantity: NAPA:25-070680,7PK1730
Change Quantity: 38920-PND-004,38920-PND-014,38920-PRB-003,38920-PRB-004
Change Quantity: Goodyear: 4070680, ContiTech: 4070680;Dayco: 5070680
Change Quantity: Inches: 681K7;ACDelco: 7K680;Gates: K070680
Utility Fashions: Suitable with CRV 2002-2006 RSX 2002-2006
Package deal Comprises: 1X Serpentine Belt,7PK1730

Vehicle Compatibility

The 7PK1730 belt is commonly used on:

Honda:

• Honda CR-V → 2.4L K24

Acura:

• Acura RSX → 2.0L K20

Always verify:

• A/C vs non-A/C setup
• Pulley configuration
• OEM belt length before ordering

Product Identify: Serpentine Belt
Section Quantity: 7PK1730
Change Quantity: NAPA:25-070680,7PK1730
Change Quantity: 38920-PND-004,38920-PND-014,38920-PRB-003,38920-PRB-004

Why EPDM Belts Matter

Modern replacement belts use EPDM rubber, which:

• Lasts significantly longer than older neoprene belts
• Resists cracking and heat damage
• Maintains flexibility over time

Most quality aftermarket belts now use EPDM construction.

Change Quantity: Goodyear: 4070680, ContiTech: 4070680;Dayco: 5070680
Change Quantity: Inches: 681K7;ACDelco: 7K680;Gates: K070680

Best Belt Brands for Honda K-Series Engines

Several manufacturers offer reliable OE-style replacements.

Popular Options:

• Continental
• Bando
• Gates
• Dayco

Bando is especially notable because they supply many OEM Honda belts.

Utility Fashions: Suitable with CRV 2002-2006 RSX 2002-2006
Package deal Comprises: 1X Serpentine Belt,7PK1730

Installation Notes

Replacing the belt is straightforward on most K-series Hondas:

• Use a serpentine belt tool or long breaker bar
• Relieve tension from the tensioner pulley
• Inspect:
  • Tensioner
  • Idler pulley
  • Alternator pulley

If the tensioner is bouncing excessively, replace it too.

Typical install time:

• 20–45 minutes

Should You Replace the Tensioner Too?

Honestly? If your car has 150k+ miles, probably yes.

A new belt on a worn tensioner often leads to:

• Belt flutter
• Noise
• Premature wear

The tensioner is usually the real problem once these cars get older.

Conclusion

The 7PK1730 serpentine belt is a simple but critical maintenance item for the 2002–2006 Honda CR-V and Acura RSX. Whether you choose Continental, Bando, or another OE-style replacement, replacing your aging belt before failure can save you from charging problems, overheating, and roadside headaches.