Rostra Torque Converter Clutch Solenoid & Harness for GM 4L65E/4L70E (09-Up)

This premium TCC solenoid with internal wire harness is a direct replacement for OEM parts 24237980 and 24298349, designed for seamless compatibility with GM 4L65E and 4L70E transmissions in 2009 and newer vehicles.

Engineered for durability and precise performance, it addresses common transmission issues like erratic shifting, RPM fluctuations, and check engine lights triggered by codes such as P1870 or P1860. Ideal for restoring smooth torque converter clutch engagement, improving fuel efficiency, and preventing overheating from faulty electrical connections or cracked harnesses. Compatible with popular models including Chevrolet Silverado 1500, Tahoe, Express vans, Colorado; GMC Sierra 1500, Yukon, Savana vans, Canyon; Hummer H3; Saab 9-7X; and select Holden models. Easy installation ensures quick fixes for slipping converters or loss of lock-up, enhancing overall drivability and reliability.

• Direct fit for GM 4L65E/4L70E transmissions 2009-Up, ensuring hassle-free replacement without modifications
• Resolves P1870/P1860 codes, erratic RPMs, and transmission slip for smoother shifts and better performance
• High-quality internal mode design with robust wiring to withstand heat and prevent contact loss
• Improves fuel economy by optimizing torque converter lock-up during highway driving
• Compatible with Chevrolet Silverado 1500 (2009-2013), Tahoe (2009-2013), Express 1500/2500 (2009-2014), Colorado (2009-2012); GMC Sierra 1500 (2009-2013), Yukon (2009-2013), Savana 1500/2500 (2009-2014), Canyon (2009-2012); Hummer H3/H3T (2009-2010); Saab 9-7X (2009); and more GM vehicles with matching transmissions