Product Description
Fits: GM 8L45
Build your own rebuild kit for the GM 8L45 eight-speed automatic. Pick one option from each group you need and skip the rest.
Choose the parts that match the transmission on your bench and leave out what you don't need. This builder has 25 option groups and 33 choices, all optional, so the kit holds only what you pick. Brands offered include Precision, Sonnax, Superior, TransGo, Rostra, Dr. Tranny, Lubegard.
Specifications
| Sealing Ring Kit | Precision K33901D 8L45 Sealing Ring Kit |
|---|---|
| Oil Pan Gasket | Precision 33705XA Rubber Oil Pan Gasket (OE 24260071) |
| Oil Filter | 201710 8L45 8L90 Oil Filter (2014-UP) |
| Filter Seal | Precision 33075 Filter Seal |
| 1-2-7-8 Reverse Piston | Precision 33698 1-2-7-8 Reverse Clutch Piston (OE 24271698) |
| Signal Accumulator Piston Kit | Sonnax 154740-06K Signal Accumulator Piston Kit (4 piston sets); A154937K Gently Oversized Signal Accumulator Piston Kit (no reaming); Sonnax 154740-01K Oversized Signal Accumulator Piston Kit (2019-UP, tool required) |
| 1-3-5-6-7 Accumulator Piston Kit | Sonnax 154740-15K 1-3-5-6-7 Accumulator Piston Kit |
| Pump Sprocket & Chain Kit | AC Delco 24280781 Pump Driven Sprocket & Chain Kit |
| Pump Chain Fluid Baffle | AC Delco 24051507 Pump Chain Fluid Baffle w/ Bolts |
| Cooler Flow Upgrade | Superior STL010 SURE-COOL Cooler Flow System (2014-UP) |
| Valve Body Kit | TransGo SK8L90 Shift Kit Valve Body Repair Kit (requires tooling); Superior STL8L90 Shudder-Solution Valve Body Upgrade Kit; Sonnax 8L45-8L90-SHIFT-ZIP Shift Zip Kit; Sonnax SC-8L45-8L90 Sure Cure Kit (tooling required) |
| TCC Zip Kit | Sonnax 8L45-8L90-TCC-ZIP TCC Zip Kit |
| S2/S3/S4/TCC Valve Kit (SK8L90 includes these) | Sonnax 154740-11K S2 S3 S4 TCC Clutch Control Valve Kit |
| S1/S5 Clutch Control Valve Kit | Sonnax 154740-13K S1 S5 Clutch Control Valve Kit |
| Oversized S4 Regulator Valve | TransGo 8L90-S4LATE-OS Oversized S4 Regulator Valve, Late 2-Land (2018-UP) |
| Pulse Dampeners | TransGo 8L90-PDP-OS Pulse Dampeners (tool kit 8L90-PDP-TKC required) |
| Internal Wire Harness | AC Delco D154446F Internal Harness w/ Temp Sensor, 8L45 (2016-2019); AC Delco D154446FA Internal Harness w/ Internal Mode Switch, 8L45 (2020-2024) |
| Speed Sensors w/ Harness | Rostra 154436 Input, Output & Input-Clutch Speed Sensors w/ Harness |
| Output Carrier Lifting Tool | Adapt-A-Case T-47786AC Output Carrier Shaft Lifting Tool |
| Pulse Dampener Tool Kit | TransGo 8L90-PDP-TKC Pulse Dampener Tool Kit (for 8L90-PDP-OS) |
| S4 Regulator Valve Tool Kit | TransGo 8L90-S4LATE-TK Oversize S4 Regulator Valve Tool Kit |
| Accumulator Piston Tool Kit | Sonnax 154740-TL Tool Kit for 154740-01K |
| S2/S3/S4/TCC Bore Sizing Tool | Sonnax 154740-BST11 Bore Sizing Tool (for 154740-11K) |
| S1/S5 Bore Sizing Tool | Sonnax 154740-BST13 Bore Sizing Tool (for 154740-13K) |
| Tub of Assembly Lube | Dr. Tranny Assembly Lube - Blue Soft; Dr. Tranny Assembly Lube - Green Firm; Dr. Tranny Assembly Treatment by Lubegard |
Notes
Choose a Signal Accumulator Piston Kit: Sonnax 154740-06K Signal Accumulator Piston Kit (4 piston sets); A154937K Gently Oversized Signal Accumulator Piston Kit (no reaming); Sonnax 154740-01K Oversized Signal Accumulator Piston Kit (2019-UP, tool required)
Choose a Valve Body Kit: TransGo SK8L90 Shift Kit Valve Body Repair Kit (requires tooling); Superior STL8L90 Shudder-Solution Valve Body Upgrade Kit; Sonnax 8L45-8L90-SHIFT-ZIP Shift Zip Kit; Sonnax SC-8L45-8L90 Sure Cure Kit (tooling required)
Add Pulse Dampeners: TransGo 8L90-PDP-OS Pulse Dampeners (tool kit 8L90-PDP-TKC required)
