Valve Body Parts

Fits 4L80E, 4L85E 1991-2013

4L80E Manual Valve Gently Oversized to Fit Existing Bore (No Reaming)

This is a Gently Oversized Manual Valve for the 4L80E transmission that can be installed in the existing bore without reaming. Its is made from Anodized Aluminium for durability. 

4L80E Actuator Feed Limit Valve Refill Kit

This is a refill kit that includes valves and springs. Installation requires a reamer and guide. If you need the tools, order #48-ACT-TL. Corrects/Prevents/Reduces: No or low line pressure boost Erratic line pressure Wrong gear starts Clutch...

4L80E Actuator Feed Limit Valve Repair Kit w/ Tools

At 100,000 miles, you can bet the actuator bore will be worn. Worn bores cause low pressure hot, clutch, band and converter slippage, wrong gear starts, mysterious burn up and codes 39, 85 and 68. TransGo's boring guide and cutter makes this fix an easy...

4L80E 4L85E TCC Regulator Valve - Upgraded

1991 to 2013 newer General Motors vehicles equipped with 4L80E and 4L85E automatic transmissions often wear out the torque converter clutch (TCC) regulator valve bore in the valve body. The TCC regulator valve function is to regulates the torque...

4L80E Separator Plate - HD Upgrade (1991-2013) TransGo

Separator PlateFits 1991-13 4L80E, 4L85E 1991 to 2013 General Motors vehicles equipped with the 4L80E and 4L85E automatic transmission with high mileage often have worn or damaged valve body separator plates. Features and benefits The TransGo replacement...

4L80E TCC Regulator Valve Kit (1991-UP) Sonnax

4L80-E, 4L85-E TCC Regulator Valve KitPart No. 34994-01K GM vehicles equipped with 4L80-E and 4L85-E transmissions may exhibit problems such as TCC shudder, burnt converter linings, TCC apply and release concerns and related codes. These issues...

4L80E AFL Filter End Plug & O-Ring Kit

4L80-E, 4L85-E AFL Filter End Plug & O-Ring KitPart No. 34994-17K GM 4L80-E and 4L85-E transmissions may have 2nd gear starts and no upshifts, which can be accompanied by trouble codes 68, 85, 86 and/or 87. These problems can often be...

4L80E 3rd & Reverse Checkball Sleeve Kit (1995-UP)

4L80-E, 4L85-E 3rd & Reverse Checkball Sleeve KitPart No. 34200-47K Fits units '95-later. Vehicles with '95-later GM 4L80-E and 4L85-E transmissions commonly exhibit wear in the Reverse checkball sleeve located in the 3-4 shift valve bore...

4L80E 1-2 & 2-3 Shift Valve Spring Kit - HD

In 4th Gear, signal A oil force must overpower the 1-2 shift valve spring and opposing signal B pressure in GM 4L80-E and 4L85-E transmissions. If the 1-2 shift valve does not remain fully stroked, drive oil to second and direct will be cut off or go to...

4L80E #7 Low/Reverse Checkball Seat (1995-UP) 5-Pack

Vehicles with GM 4L80-E and 4L85-E transmissions commonly exhibit wear in the #7 low/Reverse checkball seat location. This issue is caused by normal movement of the checkball and slight movement of the seat within the bore over time. As wear progresses,...

GM 4L80E Valve Body Shift Correction Kit by Superior (1997-2007)

GM 4L80E Transmission Valve Body Shift Kit 1991-2007 The Superior Transmission Parts 4L80E transmission valve body shift correction kit offers the option of regular and heavy duty applications in the same package.  It also offers a complete new...

4L80E TCC Regulator Valve Spring (1990-2011)

New OEM replacement TCC Regulator Valve Spring for GM's 4L80E automatic transmission.  Used between 1990 and 2011.  

4L80E Valve Body Detent Roller (1990-UP)

4L80E valve body detent roller.  OEM cleaned and inspected part.