1997-2004 Corvette C5 LS1 LS6 Serpentine Air Conditioning Belt Tensioner 12560345

1997-2004 C5 LS1 LS6 Serpentine Air Conditioning Belt Tensioner 12560345 - OEM Number(s) (12560345)

Keep your Corvette’s A/C system reliable with a direct-fit GM tensioner that ensures proper belt tension and performance.

This OE-quality serpentine air conditioning belt tensioner is manufactured by ACDelco for a perfect fit on 1997–2004 C5 Corvettes with LS1 and LS6 engines. It restores proper belt tension to eliminate slipping, squealing, or premature wear, ensuring your A/C compressor operates efficiently. A direct-fit replacement, this complete assembly provides long-lasting reliability and correct GM engineering.

Fits the Following Corvette Models:

• C5 Corvette 1997–2004 (LS1 and LS6 engines)

Material/Finish

Cast aluminum body with steel pulley, OE-style ACDelco construction

Dimensions

• Designed to factory specifications for LS1 and LS6 applications

• Complete assembly includes pulley

Features/Benefits

• Direct replacement A/C serpentine belt tensioner

• GM reference part number: 12560345

• Manufactured by ACDelco for OE fit and function

• Maintains proper belt tension to prevent slipping

• Ensures efficient compressor and accessory operation

• Complete assembly for quick installation

Because Details Matter

Your Corvette’s A/C system deserves more than an aftermarket guess — it deserves the precise fit and performance of GM engineering. The tensioner may be small, but its role is critical: the steady pull on the belt, the silence of a smooth rotation, and the confidence that your A/C will blow cold on every summer drive. That’s what keeping it authentic feels like.

Also known under these part numbers: (For reference only)

• 021625880815
• 12560345
• 38196