Chevrolet Silverado 1500 Oil Pressure Switch

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Works, but hex head size different OEM part

Scott

in a year

2003 Silverado 1500 4x4, 5.3L V8. Oil pressure gauge pegged at 80 psi. This part fixed my problem, fits perfectly and works very well. Getting to the sensor is a bit of a hassle, and you will need to replace it almost entirely by feel. Removing the vacuum hose and disconnecting an adjacent high pressure fuel line certainly helps with gaining better access, though these steps aren't 100% necessary. I found that a small mirror and head-mounted flashlight really help. If you are replacing an OEM pressure transducer, you will need a 1 1/16" deep socket (or a special purpose 1 1/16" oil pressure transducer socket) in order to remove it. A U-joint and 6"x1/2" drive socket extension (or longer) are also crucial. When installing this Duralast part, you will need to use a **27 mm** deep socket, as suggested by another reviewer, because the OEM and Duralast transducers have slightly different sized hex heads. I incorrectly assumed the hex heads on both parts would be the same size, and I drove myself bonkers trying to get the Duralast transducer torqued down with the special 1 1/16" socket. Other than that, no other issues.

What kind of vehicle do you drive? 2003 Chevrolet Silverado 1500 4x4 Z71

2003 Silverado 1500 4x4, 5.3L V8. Oil pressure gauge pegged at 80 psi. This part fixed my problem, fits perfectly and works very well. Getting to the sensor is a bit of a hassle, and you will need to replace it almost entirely by feel. Removing the vacuum hose and disconnecting an adjacent high pressure fuel line certainly helps with gaining better access, though these steps aren't 100% necessary. I found that a small mirror and head-mounted flashlight really help. If you are replacing an OEM pressure transducer, you will need a 1 1/16" deep socket (or a special purpose 1 1/16" oil pressure transducer socket) in order to remove it. A U-joint and 6"x1/2" drive socket extension (or longer) are also crucial. When installing this Duralast part, you will need to use a **27 mm** deep socket, as suggested by another reviewer, because the OEM and Duralast transducers have slightly different sized hex heads. I incorrectly assumed the hex heads on both parts would be the same size, and I drove myself bonkers trying to get the Duralast transducer torqued down with the special 1 1/16" socket. Other than that, no other issues.

What kind of vehicle do you drive? 2003 Chevrolet Silverado 1500 4x4 Z71