6L90 Transmission Parts
6L80E / 6L90E Front Pump Kit
$299.00
This is the later redesigned pump assembly that has the 3 tabs and 3 o’rings to correct the dreaded shift flare so commonly seen on the pre 2011 6L80E transmission. This is an absolute must...
6L80E / 6L90E New GM Transmission Control Module
$750.00
6L80E / 6L90E New GM Transmission Control Module Programmed to your VIN upon arrival, Can be Custom tuned with our calibrations when purchased with our Custom Tuning.
6L90E Billet Intermediate Shaft and Hub
$740.00
Developed as a stronger replacement for the problematic failure of the OEM shaft when high horsepower, superchargers and turbos are used.
6L80E / 6L90E 4140 Billet Pump Rotor
$175.00
6L80E / 6L90E Thirteen Vane Billet Pump Rotor. This is made from 4140 heat treated stressed relieved billet steel. The stock pump rotor has been known to explode with very fast acceleration due to sudden...
6L80E / 6L90E Clutch Select Valve Spring Kit
$14.00
Mid 2010-earlier GM 6L80E–6L90E applications have a tendency to set a P0751 (shift solenoid 1 malfunction) code. One of the causes of this is the OE spring force at the clutch select valves inhibiting movement...
6L80E High Performance Boost Valve
$38.00
Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs and large ratio boost valves designed to work together to provide progressive pressure increases as driving conditions become more demanding.
6L80E/6L90E Kolene Steel Module
$289.00
This 6L80/6L90E kolene steel module kit comes with all the Steels needed to rebuild your 6L80/6L90E Transmission. These Kolene steels are stock thickness and designed to be a drop in for your factory unit. These...
6L80E / 6L90E Bushing Kit. With tail housing bushing
$83.00
6L80E / 6L90E Bushing Kit. With tail housing bushing
Sonnax 6L80E 1-2-3-4 Piston
$96.00
GM 6L80E / 6L90E 1-2-3-4 pistons commonly crack due to cantilevered stress on the cast material. The OE part has been through several revisions in an attempt to correct this, but all OE versions are...
6L80E, 6L90E Pressure Regulator Valve Kit Sonnax
$51.00
GM 6L45, 6L50, 6L80 and 6L90 units may exhibit multiple line pressure and cooler/converter/lube flow problems due to excess wear in the pressure regulator bore. Deterioration at the balance spool end allows critical fluid loss,...
Raybestos 6L80E / 6L90E High Energy Clutch Pack Module
$91.00
This Raybestos 6L80E/6L90E transmission clutch module contains all the clutches to rebuild your 6l80E/6L90E unit. This Module kit contains the frictions in all clutch packs. Steel Modules are sold separately below. These frictions are made...
6L80E / 6L90E, Compensator Feed Regulator Valve
$52.00
GM 6L45, 6L50, 6L80, 6L90 units incorporate a compensator feed regulator valve to assist the clutch return spring. Regulated compensator pressure is routed to the clutch drum to keep the piston in the released position...