Rebuilders now have a no-hassle option of replacing worn or contaminated 5R55W and 5R55S solenoid blocks with Sonnax 56954L, 56954K and 56954N remanufactured solenoid blocks. The improved design of these blocks features a new, integrated, printed circuit board in place of the OE circuit assembly that eliminates fatigue failures common to the ribbon cable inside the OE circuit assembly. In addition, the integrated circuit boards soldered connections provide a more secure interconnection than the OE barbed, press-fit connection for greater durability. All remanufactured solenoids are 100% tested.
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We will buy your old solenoid cores! Learn More.
Tired of the hit and miss swapping out solenoids from cores or the expense of just going with new? Sonnax remanufactured solenoids go through extensive disassembly and rebuild steps followed by rigorous inspection and testing. Top quality replacement parts and enhanced quality assembly and verification techniques ensure OE level operation for smooth, consistent shifting and extended service life. We have the hot models you need every day and what’s more, we are looking for your cores.