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Automatic Belt Tensioner

Will Fit: CADILLAC ESCALADE 1999-2000 V8-350ci 5.7L F/I

OE Interchange: 10239670, 12456152, 12561097
This Part Fits: GM 4.3L, 5.0L, 5.7L and 7.4L engines from 1996-2009.
The OE part usually fails around 30,000 miles of operation.

Belt Tensioner Installation Instructions