Product Description
Part number: RK4L80-CUSTOM
Fits: 4L80E
Fits: 4L80E
Build your own 4L80E rebuild kit: choose the parts that match the transmission on your bench and leave out what you don't need. This builder has 26 choices, all optional, so the kit holds only what you pick.
Brands offered in this kit include Alto, Raybestos, Exedy, BorgWarner, Sonnax, TransGo, Superior, Dura-Bond, Lubegard, Dr. Tranny, ATSG, Torrington and Fairbanks.
What you can choose
- Overhaul Kit for Your Year: 1990-1996; 1997-2011
- Oil Filter: 1991-1996 Shallow Style; 1997-UP Deep Style
- Friction Module: 1990-E1995 | Alto High-Energy; 1991-E1995 | Raybestos Tan; 1991-1995 | Exedy; 1990-E1995 (Raybestos) Stage-1 HP; 1990-E1995 (Alto) Red Eagle HP; 1991-E1995 Gen-2 Blue Plate High Performance Clutch Module by Raybestos; L1995-UP | Alto High-Energy; L1995-UP | Raybestos Tan; plus 5 more
- Steel Module: OE Steel Module; KOLENE® Steel Module
- Front Band: Front Band(Aftermarket)
- Rear Band: Rear Reverse Band(Aftermarket); Rear Reverse Band(BorgWarner)
- Bushing Kit: 1991-1996; 1997-UP (No 04-UP Extension Housing Bushing)
- Shift Kit: Shift Kit (1991-UP) TransGo (SK4L80E); PowerTow Performance Shift Kit (1990-UP) Fairbanks (PT4L80-E); Reprogramming Kit (1991-2009) TransGo (4L80E-HD2); Shift Correction Kit (1997-2007) Superior (STP-K4L80-E); Reprogramming Kit w/ Manual Shift Control (1991-2013) TransGo (4L80E-3)
- Extension Housing Bushing: Extension Tail Housing Bushing (2004-UP) Durabond 2.0275'' OD
- No Walk Out Case Bushing: Upgraded No Walk Out Case Bushing Sonnax (34006-SP); HD No Walk Out Case Bushing Kit w/ Bearing & Shims Sonnax
- Molded Rubber Piston Kit: Molded Rubber Piston Kit (1997-UP Only)
- Torrington Bearing Kit: Torrington Bearing Kit (All Years)
- Thrust Washer Kit: Thrust Washer Kit (All Years)
- Rear Servo: Rear Servo Assembly (1990-1996) Used; Rear Servo Assembly 1997-UP - Used; Upgraded Billet Reverse Servo (1997-UP) Adapt-A-Case (34912AC)
- Intermediate Sprag: HD Intermediate Sprag w/ 34-Elements
- Low Roller Sprag: Sprag Low Roller (1990-E1995); Low Roller Sprag (1996-UP)
- Overdrive Roller Sprag: Overdrive Sprag (1991-2000); Overdrive Sprag (2001-UP)
- Boost Valve: Boost Valve Kit w/ Factory Style Sleeve by Sonnax (34200-03K); Boost Valve Kit (O-Ring Style) by Sonnax (34200-01K); Line Pressure Booster Kit by Sonnax (4L80E-LB1) (Comes w/stronger PR valve springs) (Some shift kits contain a Boost Valve, check kit number)
- Master Solenoid Kit w/ Pressure Manifold Switch: Solenoid Replacement Kit (1991-2003) 5-Piece Set; Solenoid Replacement Kit (2004-UP) 5-Piece Set
- Internal Wire Harness: Internal Wiring Harness (1991-2003); Internal Wiring Harness (2004-UP)
- Neutral Safety Switch: MLPS Neutral Safety Switch (1995-2003)
- Rebuild Manual: 4L80E ATSG Tech Service Rebuild Manual
- Diagnostic Code Book: 4L80E/85E ATSG Diagnostic Code Book
- Tub of Assembly Lube: Dr. Tranny Transmission Assembly Lube - Green Firm; Dr. Tranny Transmission Assembly Lube - Blue Soft; Dr. Tranny Transmission Assembly Treatment by Lubegard; Sonnax Slippery Stick O-LUBE
- Lip Wizard Lip Seal Tool: Transmission Lip Wizard™ Lip Seal Installation Tool
- Upgrade your Pan Gasket: Farpak fiber
Not sure which option fits? Contact us with your vehicle's year and model and your transmission's identification and we'll help you choose.
