Standard Ignition PS-526 Automatic Transmission Oil Pressure Switch

Automatic Transmission Oil Pressure Switch for Lexus

Standard Ignition PS-526 is an automatic transmission oil pressure switch built with a brass and plastic finish and a screw-in mounting design. It uses a male connector with one connector interface for a direct replacement on select Lexus applications.

Key Features

• Automatic transmission oil pressure switch
• Male connector, 1 connector interface
• Screw-in mounting type for secure installation
• Brass and plastic construction
• Standard Ignition PS-526 replacement part

Detailed Description

Standard Ignition PS-526 is a transmission pressure switch used in automatic transmission control systems to monitor oil pressure and support proper transmission operation. It is listed for a wide range of Lexus models, including Lexus GS F, GS350, IS300, IS350, RC F, RC300, and RC350, as well as Lexus LS460 and other covered applications. This part cross-references OP6989 and S4539 for the same application. The PS-526 part number is also referenced as PS653 in Standard Ignition interchange data.

Compatible With 2007-2020 Lexus GS, IS, LS, and RC series applications where the listed transmission oil pressure switch configuration is used. For buyers searching for a Lexus GS350 transmission oil pressure switch, Lexus IS350 automatic transmission pressure switch, or Lexus RC350 oil pressure switch replacement, PS-526 is the direct-fit style to verify against the original unit.

Common Issues This Part May Address

• Transmission pressure switch fault codes
• Delayed or incorrect transmission shift behavior
• Transmission warning lights related to oil pressure signal loss
• Intermittent electrical signal from a worn switch
• Replacement needs after fluid contamination or switch wear

Installation Notes and Tips

Verify connector style, screw-in thread design, and transmission application before installation. Inspect the connector terminals and surrounding harness for corrosion or damage, and confirm the replacement matches the original switch location on the transmission case. Use the vehicle service information for torque and fluid-handling procedures specific to the application.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for electrical and engine management components. PS-526 is built for the listed Lexus fitments and should be matched to the original part number and connector configuration before installation.