4L80E Boost Valve Kit 4L85E Pump Boost Valve Sonnax FACTORY STYLE 34200-03K

Description: Quality Sonnax Boost Valve Kit Factory Style For 4L80/85E Transmission Common problems in vehicles with a 4L80-E and 4L85-E transmissions are uncontrollable line rise (upward of 500-600 psi), high line pressure in reverse, buzzing noise, broken direct clutch drums and/or broken cases. These problems are usually caused by reverse boost oil that enters the torque signal circuit due to a wear-created cross leak at the sleeve. High line pressure and buzz is created by oil leakage past the aluminum balance plug. The Sonnax boost valve kit 34200-03K eliminates these problems. Hardened steel boost valve with over 20% wider spools to provide better durability and increased sealing contact area.Boost valve spools have annular grooves to reduce side loading that causes wear.Valve and sleeve are manufactured to close tolerances to restore proper clearance and hydraulic integrity.Kit includes a replacement aluminum balance oil plug with an O-ring to ensure proper sealing and adequate back pressure on the pressure regulator valve. Note:Not all sellers are the same, checkout feedback score. When buying from Trans Parts Now you also get great tech support from a transmission rebuilder/tech adviser. Also don't always shop price because the quality is not always the same.About Us:We have been in the transmission industry for over 20 plus years. I'm proud to say I'm a 2nd generation transmission re-builder and transmission tech. I do not sell any product that I would not use on my own rebuilds. We take pride in customer service and quality parts with free shipping. If you have any questions please ask us, we are qualified to help you with your transmission problems.Warranty:We stand behind all of our products we sell. If we can't warranty it we don't sell it. Most of our product have a 1 year warranty but check the listing or ask us. AND most important if you EVER have a problem with our parts please contact us. We are here to help and we stand behind all of our quality products. We will resolve ANY warranty issues.Customer Satisfaction:Our main goal is 100% customer satisfaction and 100% feedback score. Please checkout our feedback. IF for any reason you are unhappy with your purchase, please allow us the opportunity to correct any issues before leaving EBay a neutral or negative feedback. We appreciate your business.

Price: 33.2 USD

Location: Beaverton, Oregon

End Time: 2024-02-24T18:07:34.000Z

Shipping Cost: 0 USD