2003 GMC Sierra 1500 equipped with 6.0L V8 Gas OHV, 5.3L V8 Gas OHV, 5.3L V8 Flex OHV, 4.8L V8 Gas OHV, 4.3L V6 Gas OHV
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W/O FITTING)(W/O SEAL INCLUDES SPRING, WITHOUT O-RING)(13/64-36 THD
2003 GMC Sierra 1500 equipped with 6.0L V8 Gas OHV, 5.3L V8 Gas OHV, 5.3L V8 Flex OHV, 4.8L V8 Gas OHV, 4.3L V6 Gas OHV
W/O FITTING)(W/O SEAL INCLUDES SPRING, WITHOUT O-RING)(13/64-36 THD