2003 Chevrolet Silverado 1500 equipped with 6.0L V8 Gas OHV, 5.3L V8 Gas OHV, 5.3L V8 Flex OHV, 4.8L V8 Gas OHV
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Improved Design Follow Instructions Exactly to Avoid Leaks Must Use Dorman 635-000 Installation Tool or Equivalent
2003 Chevrolet Silverado 1500 equipped with 6.0L V8 Gas OHV, 5.3L V8 Gas OHV, 5.3L V8 Flex OHV, 4.8L V8 Gas OHV
Improved Design Follow Instructions Exactly to Avoid Leaks Must Use Dorman 635-000 Installation Tool or Equivalent