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Rostra Transmission Product Guide
Replacement EPC Solenoid for General Motors part number 10478146
Honda Pressure Switch Quick Reference Guide from Rostra Transmission
Ford 4R70W and 4R75W Case Connector with Wire Pigtail Hard Wire Track
Replacement Subaru Transfer Clutch Solenoid for 4EAT/4AT transmissions
ValveBody Direct remanufactured valvebodies by Rostra Transmission

Latest "Q and A"

Q: According to my VIN, I have an Aisin AW55-50SN automatic gearbox. Are there any differences between the SLU/SLS/SLT solenoids and their calibration for this gearbox? Is part number 52-9036 correct for my application?

A: Rostra's part number 52-9036 is the 3 piece solenoid kit needed for the AW55-50 series transmission. Our kit fits all applications and is calibrated and ready for installation.

New Domestic and Import Transmission Product Guide Posters Are Now Available

We are pleased to announce the availability of all-new Rostra Transmission Domestic and Import Product Guide posters. Featuring over 250 different powertrain components, these posters cover the most popular shift solenoid, sensor and internal/external wire harness applications.

Click to download Domestic Transmission Products poster

Click the image above to download our Domestic Product Guide poster... (9.4MB)

Click to download Import Transmission Products poster

Click the image above to download our Import Product Guide poster... (9.6MB)

Welcome to!

Thank you for visiting the new and improved Rostra Transmission. Fueled by the merger with Detroit-based OEM Components and USA Switch, we have expanded our product offering and vehicle applications, added more engineering and product management support, and lowered prices through our company's increased size.

We proudly offer the broadest selection of original equipment and aftermarket electronics of any transmission components manufacturer worldwide, including transmission shift solenoids, automotive shift sensors and controls, transmission modulators, and wire harnesses.

Click here to download a copy of our most recent product guide. Rostra Transmission Catalog PDF Icon (11 MB)