Does your vehicle’s transmission feel sluggish or start slipping when you hit the gas? There is nothing more frustrating for a car enthusiast than a failing 6L80 transmission. You rely on your truck or SUV every single day, and when the gears start acting up, it feels like your entire project has come to a screeching halt.
Choosing the right 6L80 rebuild kit can feel like an impossible task. The market is flooded with cheap parts, confusing descriptions, and varying quality levels. Many owners waste money on kits that do not include the necessary seals or high-performance clutches needed for a reliable fix. Buying the wrong set of parts often leads to a second teardown, which costs you even more time and hard-earned cash.
This guide cuts through the confusion and helps you find the perfect kit for your specific needs. We will break down the essential components you should look for, explain which brands offer the best durability, and show you how to spot high-quality materials versus budget replacements. By the end of this post, you will have the confidence to pick the right parts and get your vehicle shifting smoothly again.
Ready to get your transmission back in top shape? Let’s dive into everything you need to know about selecting the best 6L80 rebuild kit for your shop.
Top 6L80 Rebuild Kit Recommendations
- Fits Applications 2006 & Up
- Includes: Premium Quality Overhaul Kit (Contains Gaskets, Seals, O-Rings, Lip Seals, Sealing Rings, Check Balls, and Vital Small Parts), Raybestos Friction Module (Part # RCP96-189), Raybestos Steel Module (Part # 000601) and 5pc Bonded Clutch Piston Set
- Reference OEM Numbers: 24236931, 34664P, 195940, 135710D, 515709, 195901XLS, 6L90 6L90E 6L80 6L80E
- Replacement for Chevy Avalanche 2008-2013, Camaro 2009-2015, Corvette 2006-2018, Tahoe 2008-2020, Van 2500 (Full Size) 2009-2011, Van 3500 (Full Size) 2009-2011
- Replacement for Chevy Express 1500 2009-2021, Express 2500 2009-2021, Express 3500 2009-2021, Express 4500 2010-2019
- Replacement for Chevy Silverado 1500 2008-2022, Silverado 1500ss 2006-2022, Silverado 2500 2007-2022, Silverado 2500hd 2007-2022, Silverado 2500ss 2007-2022, Silverado 3500hd 2007-2022, Suburban 1500 2008-2020, Suburban 2500 2008-2013, Suburban 3500 2016-2019
- Replacement for GMC Savana 1500 2009-2014, Savana 2500 2009-2021, Savana 3500 2009-202, Savana 4500 2009-2019
- 【REPLACE PART】6L90 6L90E 6L80 6L80E Transmission Master Rebuild Overhaul Kit OE 6L90 6L90E 6L80 6L80E KP33900JBX KP33900JAX 195804X K-135900DX-AFT 195804 2566 0081000639 K33900J-99 195670WT RPSTHP-04 408881 K-135900B-99 195752A 195752B 34352KIT 42380D 604 000604 24236933 24236517 135710D 34661P 195940 104010A 515709
- 【Compatible With】6L90 6L90E 6L80 6L80E Transmission Master Rebuild Overhaul Kit Fits for 2008-2017 Escalade 6.0/6.2L, Fits for 2007-2011 STS 3.6/4.4/4.6L, Fits for 2010-2017 Camaro 2.0/3.6/6.2/7.0L, Fits for 2008-2017 Corvette 6.2/7.0L, Fits for 2007-2017 Silverado 1500 4.3/4.8/5.3/6.0/6.2L, Fits for 2015-2017 Suburban 5.3L, Fits for 2007-2015 Sierra 5.3/6.2L
- 【COMPREHENSIVE COVERAGE】 The Parts In The Kit Cover Key Components Within The Transmission, Including Clutch Plates, And Can Meet The Needs Of Most Common Automotive Transmissions. 【SIMPLIFIED REPAIR PROCESS】 With The Transmission Rebuild Kit, You Don’t Need To Purchase And Search For Various Parts Separately. You Can Get All The Components You Need At Once, Simplifying The Transmission Repair Process.
- 【RESTORE ORIGINAL PERFORMANCE】 Rebuilding With A Transmission Rebuild Kit Can Restore The Original Performance Of Your Vehicle's Transmission Because The Parts In The Kit Match The Original Equipment Manufacturer (Oem) Specifications. 【COST-EFFECTIVE】 Compared To Purchasing A Brand New Transmission Or Purchasing Parts Separately For Repair, The Transmission Rebuild Kit Provides A More Affordable Option, Allowing You To Complete Transmission Repairs At A Lower Cost.
- 【INGKAN-ONLINE AFTER SALES】INGKAN-ONLINE Provides 24-hour Online Consultation And Customer Service With Professional, Enthusiastic, And High-Level Team After-Sales Processing Standards. Whatever We Do, We Do It To Make A Difference In Our Internal And External Customers’ Lives In A Better Way!
- Compatible With: 6L80E Transmission Master Rebuild Overhaul Kit With Filter Fits for 2017-2007 Escalade 6.2L, Fits for 2014-2009 Express 1500 4.3L, Fits for 2016-2009 Silverado 1500 4.3L, Fits for 2017-2015 Suburban 6.0L, Fits for 2014-2009 Savana 1500 4.3L, Fits for 2016-2007 Yukon 6.2L
- VEHICLE COMPATIBILITY: Specifically designed for Escalade, Chevy Silverado/Suburban, GMC Sierra/Savana/Yukon, and Hummer H2 models
- OEM REPLACEMENT: Direct replacement for OE 6L90, 6L90E, 6L80, and 6L80E transmission parts with precise fitment
- INGKAN-ONLINE AFTER SALES: INGKAN-ONLINE Provides 24-hour Online Consultation And Customer Service With Professional, Enthusiastic, And High-Level Team After-Sales Processing Standards. Whatever We Do, We Do It To Make A Difference In Our Internal And External Customers’ Lives In A Better Way!
- SPECIFICATIONS: Package dimensions 12.99 x 9.45 x 5.91 inches, includes turbo actuator with calibrate kit for comprehensive transmission service
![6L80E 6L90E [06-UP] Automatic Transmission Rebuilt Master Kit with Clutches Steels Pistons Bushing Filter and Gaskets](https://m.media-amazon.com/images/I/41ZG1HKEx9L._SL160_.jpg)
- 6L80E 6L90E [06-UP] Rebuilt Master Kit: Allomatic friction clutch pack, steel pack, bushing kit, 5-piece bonded piston kit, filter and precision overhaul gasket kit - complete set
- Fits: Cadillac CTS-V, Escalade/ESV/EXT, SRX, STS / Chevrolet Camaro, Corvette, Silverado, Suburban, Tahoe, Avalanche / GMC Sierra, Yukon / Hummer H2 H3 / Pontiac G8 [06-UP]
- Includes: Allomatic friction clutch pack, steel clutch pack, bushing kit without ext. housing bushings, 5-piece bonded piston kit blue, filter 6.30 height, assembly lube green
- Part Numbers: ADA-000601, ADP-000600, C8C-45030B-1, CFI-005709, LUB-019250, PK-4858, TED-002508, 1-19001
- Specs: Filter 6.30 overall height 1.30 neck spacer - 5 bonded pistons performance blue - bushing kit without ext. housing bushings [06-UP]
- ☑️【FITMENT】:Fits for Escalade STS-V, for Camaro Silverado Express 1500 2500 3500 Car Aftermarket Parts 6l80 overhaul kit
- ☑️【PART NUMBER】:6L90 6L90E 6L80 6L80E 6L90 6L90E 6L80 6L80E Transmission Master Rebuild Overhaul Kit OE 6L90 6L90E 6L80 6L80E KP33900JBX KP33900JAX 195804X K-135900DX-AFT 195804 2566 0081000639 K33900J-99 195670WT RPSTHP-04 408881 K-135900B-99 195752A 195752B 34352KIT 42380D 604 000604 24236933 24236517 135710D 34661P 195940 104010A 515709 Transmission Rebuild Kit Overhaul w/Pistons Filter Friction
- ☑️【Product Description】：This 6l90 6l80 transmission kit is made of high quality aluminum alloy, high quality clutch material for smooth shifting of the car with stable loads, high strength operation in high and low temperatures, the steel plate is manufactured with precise measurements for seamless installation and no chatter, gaskets, seals and o-rings are replacements for precise fit, abrasion resistant and corrosion proof, which greatly enhances its durability.
- 【Specific Vehicle Application – Fits Hummer, Cadillac, Chevy, Holden】 This 6l80e 6l90e transmission repair kit is specifically designed for models using the 6L80E and 6L90E transmissions, including Hummer CADILLAC CHEVY HOLDEN. It is the essential seal solution for a professional-grade rebuild on these vehicles.
- 【Complete Seal & Gasket Kit – All Essential Seals Included】 This transmission rebuild kit for 6L80E and 6L90E transmissions includes every seal needed for a leak-free overhaul: front and rear oil seals, pan gasket, paper gaskets, internal O-rings, and external seal kit, ensuring you have all the critical sealing components in one box.
- 【OEM Quality & Reliable Performance – Leak-Free Durability】 This 6l80e 6l90e transmission rebuild kit all seals and gaskets are manufactured to meet or exceed OEM specifications, using high-grade materials resistant to heat and ATF degradation. This ensures a reliable, long-lasting seal to prevent fluid leaks and protect your transmission rebuild.
- 【Precision Engineering – Guaranteed Perfect Fit】 Every component in this 6L80E 6L90E seal kit is precision-engineered for an exact fit, enabling easy installation and eliminating the hassle of part mismatch. This guarantees a snug seal right out of the box, saving you valuable repair time.
- 【Optimized Packaging – Gaskets Arrive Flawless】 We ship this 6l80e 6l90e car overhaul kit in specially designed packaging to keep gaskets and seals flat and protected during transit. This attention to detail ensures that delicate pan gaskets and paper gaskets arrive in perfect, ready-to-install condition, unlike folded competitors.
- Kit includes: Gaskets Seals O’ Rings Sealing Rings Lip Seals Rubber Components BorgWarner Friction Module Steel Module
- Our WIT Rebuild Kits Only Contain Premium Components from Industry-Leading Suppliers.
The Ultimate Buying Guide for 6L80 Rebuild Kits
The 6L80 transmission is a workhorse found in many GM trucks and SUVs. Over time, these transmissions often face slipping, delayed shifting, or total failure. If your transmission is acting up, a rebuild kit can save you thousands compared to buying a new unit. Choosing the right kit is vital for a smooth repair.
Key Features to Look For
When shopping for a rebuild kit, look for complete sets. A “Master Rebuild Kit” is usually the best choice. It includes all the friction plates, steel plates, gaskets, and seals you need. Some kits also include a new filter and a shift solenoid pack. Buying a complete kit ensures you do not have to stop your work to hunt for missing parts.
Important Materials
Quality matters when it comes to internal transmission parts. Look for friction plates made with high-energy or carbon-fiber materials. These materials handle heat much better than standard paper-based linings. Check that the steel plates have a smooth finish to prevent premature wear. High-quality rubber seals and O-rings are also necessary to keep transmission fluid from leaking.
Factors That Improve or Reduce Quality
Several factors determine how long your rebuild will last. Kits that include upgraded bushings and washers often perform better than stock replacements. Avoid the cheapest kits on the market, as they often use low-grade rubber that cracks quickly. A high-quality kit will also include a detailed instruction manual or a link to a video guide. Proper installation is just as important as the parts themselves. Always ensure your transmission case is perfectly clean before you install new components.
User Experience and Use Cases
These kits are perfect for DIY mechanics who want to save money. If you have experience with engines or tools, you can handle this job in your garage. Most users report a “like-new” feeling after a successful rebuild. If you use your vehicle for towing or heavy hauling, look for a “Performance” or “Heavy-Duty” rebuild kit. These kits are built to withstand the extra stress and heat of towing trailers.
Frequently Asked Questions
Q: Is a 6L80 rebuild difficult for a beginner?
A: Rebuilding a 6L80 is a complex task. It requires patience, organization, and the right tools. If you are new to mechanics, find a detailed video tutorial before you start.
Q: Do I need special tools to rebuild this transmission?
A: Yes, you will need snap-ring pliers, a torque wrench, and a transmission jack. Some specialized seal installers also make the job much easier.
Q: Should I replace the torque converter during the rebuild?
A: Yes. It is highly recommended to replace or professionally clean the torque converter. Old debris inside the converter can quickly ruin your new rebuild.
Q: What is the difference between a master kit and a base kit?
A: A base kit usually only includes friction plates and gaskets. A master kit includes all of those items plus steel plates, sealing rings, and often a new filter.
Q: How long does a 6L80 rebuild usually take?
A: An experienced mechanic can finish the job in a weekend. A beginner may need a full week or more to complete the process carefully.
Q: How do I know if my transmission needs a rebuild?
A: Common signs include slipping gears, a burning smell, dark or metallic-looking fluid, or the transmission failing to engage in drive or reverse.
Q: Do these kits come with a warranty?
A: Most reputable brands offer a limited warranty on their parts. Check the product description before you buy to see the specific terms.
Q: Can I upgrade my transmission while I rebuild it?
A: Yes. Many kits offer “performance upgrades” like extra friction plates or heavy-duty snap rings to help the transmission handle more horsepower.
Q: Does the kit include transmission fluid?
A: No, rebuild kits do not include fluid. You will need to buy several quarts of high-quality Dexron VI transmission fluid separately.
Q: What is the most important step in a rebuild?
A: Keeping everything clean is the most important step. Even a tiny piece of dirt or debris can cause the valve body to fail or cause shifting issues.