1988-1991 C4 L98 Serpentine Drive Belt Tensioner 10055897 - OEM Number(s) (10055897)
Maintain proper belt tension and keep your L98 engine running smoothly with this OE-style serpentine belt tensioner.
This direct replacement serpentine drive belt tensioner is designed specifically for 1988–1991 C4 Corvettes with L98 engines. It ensures correct tension to prevent belt slip, providing reliable accessory drive performance. Supplied as a complete assembly with pulley, this unit offers a quick and effective solution for keeping your Corvette’s engine efficient and dependable.
Fits the Following Corvette Models:
Material/Finish
Cast aluminum body with steel pulley assembly
Dimensions
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Overall length: 6 3/4 in. (171mm)
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Width: 3 1/2 in. (89mm)
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Height: 3 1/4 in. (83mm)
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Pulley offset: 1 1/32 in. (26mm)
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Complete assembly with pulley
Features/Benefits
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Direct OE-style replacement serpentine belt tensioner
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GM reference part number: 10055897
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Ensures proper belt tension to eliminate slipping
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Designed specifically for 1988–1991 L98 engines
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Complete assembly includes pulley for easy installation
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Maintains accessory drive reliability and efficiency
Because Details Matter
The serpentine belt is the lifeline of your L98 engine’s accessories — driving the alternator, water pump, and more. A worn or weak tensioner risks squeals, slippage, and failure at the worst times. Installing the correct GM-style replacement restores the crisp feel of a properly tensioned belt and the quiet confidence that your Corvette is operating just as it should.
Also known under these part numbers: (For reference only)
- 10055897
- 304528
- 707773691977
- FB-449