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If your Buick Enclave is slipping, hesitating, or leaking transmission fluid, choosing the right transmission rebuild kit can get the drivetrain back to reliable operation. You need parts that match the vehicle's mechanical requirements and that include the seals and gaskets you will actually use during a rebuild.This guide lists the top shortlisted transmission rebuild kits for the Buick Enclave and explains the practical criteria we used to evaluate them, including parts completeness and material durability. Read on to see which kit types and components are commonly included so you can pick the right option for your repair or overhaul.
Looking for other parts? See all Buick Enclave parts & accessories.
Top Picks at a Glance
1. Congparts Transmission Rebuild Kit for 6T70/6T75 (Buick Enclave & GM Transverse Applications)
| Manufacturer | Congparts |
|---|---|
| Brand | Congparts |
| Item model number | Compatible with Buick Enclave |
| Manufacturer Part Number | ZK447E0M086AD4C17PXR |
This Congparts rebuild kit supplies the friction and steel plates plus an overhaul kit intended to restore function to 6T70/6T75 transverse automatic transmissions found in Buick Enclave and several GM models from roughly 2007 to 2013. It is typically used during a transmission rebuild or major service when clutch packs and separator plates are worn or damaged. The listing highlights a full set of friction plates and steel plates along with overhaul parts to replace worn internal components and bring shift quality back toward factory behavior. For a balanced owner looking to refresh a tired transmission, the kit promises factory-style fitment and a more affordable alternative to buying all new assemblies. Limitations include the need for correct vehicle and transmission verification before purchase and the expectation that installation requires professional mechanical skill and transmission-specific tools; the kit alone does not address damaged bearings, valve body issues, or electronic controls.
Best for: Balanced, practical owners who want to rebuild a tired Buick Enclave transmission to restore shift quality without paying for a complete remanufactured unit.
Less Ideal for: Owners seeking a plug-and-play remanufactured transmission or those unwilling to have a shop perform a full teardown and reassembly should consider other options.
- Full overhaul kit includes friction plates and steel plates to replace worn clutch packs
- Specifically labeled for 6T70/6T75 transverse transmissions used in Buick Enclave and related GM models
- Marketed as manufactured to precise factory requirements for fit and reliable performance
- Provides a lower-cost option compared with replacing major transmission assemblies
- Requires correct matching to transmission and vehicle; listing recommends careful part-number verification
- Does not include external or electronic components so additional repairs may still be necessary
Verdict: A complete, vehicle-specific rebuild kit that makes a cost-effective way to refresh 6T70/6T75 transmissions in Buick Enclave and related GM transverse models.
2. Molloparts 6T70/6T75 Transmission Rebuild Kit for Buick Enclave and Related GM Models
| Manufacturer | Molloparts |
|---|---|
| Transmission fit | 6T70 / 6T75 |
| Compatible vehicles | Buick Enclave 2008–2012 and select GM models |
| Package contents | 1 x Transmission Rebuild Kit |
This Molloparts rebuild kit supplies the internal components needed when overhauling a 6T70 or 6T75 automatic transmission used in Buick Enclave applications. Typically installed during a full transmission teardown, the kit replaces worn clutches, seals, and associated parts to restore shifting firmness and reduce leaks. The listing emphasizes compatibility with Enclave 2008–2012 and specific LaCrosse, SRX, Acadia, Terrain, and other GM V6 applications that use the same transmission family. Practical benefits include a single-package solution for a rebuild job and parts claimed to be built to quality standards, which can shorten repair time compared with sourcing individual components. Limitations are that this is a replacement aftermarket kit rather than factory-original, and fitment requires careful verification of the part number and transmission code before purchase. Professional installation and measurement are recommended to ensure correct assembly and long-term reliability.
Best for: Performance-oriented owners who want to restore firm, consistent shifting and are prepared to invest in a full transmission rebuild to regain drivetrain performance.
Less Ideal for: Drivers wanting an off-the-shelf maintenance item or a direct factory replacement should consider dealer parts or remanufactured transmissions instead.
- Single-package kit covering internal wear items for a full 6T70/6T75 rebuild
- Advertised compatibility with Buick Enclave 2008–2012 and specific GM models that use the same transmission family
- Aimed at replacing seals and clutch components to address leaks and soft or slipping shifts
- Aftermarket replacement rather than factory-original parts so material and fitment can vary
- Listing requires buyers to verify part numbers for correct fitment which adds coordination before ordering
Verdict: A comprehensive aftermarket rebuild kit intended to restore shifting performance for 6T70/6T75 transmissions in Buick Enclave and related GM V6 vehicles.
3. 6T70E/6T75E Transmission Rebuild Kit with Clutch Plate for Buick Enclave 3.0L
| Manufacturer | HtAvidy |
|---|---|
| Model | B196820A+B196880A+W196881A |
| Exterior | Machined |
| Quantity | 1 full set |
This rebuild kit supplies the common internal components needed to overhaul a 6T70E/6T75E transmission in a Buick Enclave 3.0L. It ships as a three-part package that includes a friction kit, an overhaul kit, and a steel kit so a technician can replace clutch plates, seals, and hardened steel components in one job. In practice the kit simplifies a transmission refresh by grouping the wear items together and matching the OEM part numbers listed for the 6T70E/6T75E family, which helps reduce sourcing time and the chance of missing parts during a rebuild. The machined exterior parts indicate aftermarket finishing for durability, and the single-set packaging is convenient for a full shop rebuild. Limitations are typical of aftermarket kits: fitment and long-term durability depend on installation quality and component tolerances, and the listing does not include detailed torque specs or vehicle-specific instructions so professional installation is recommended.
Best for: Practical optimizers who want a single, reasonably priced kit to cover the common wear items during a transmission rebuild on a Buick Enclave 3.0L and prefer minimizing parts sourcing hassle.
Less Ideal for: Owners seeking guaranteed factory-quality components with full documentation or those planning a DIY rebuild without professional installation experience should consider professional-fit or documented OEM replacements.
- Complete set bundles friction kit, overhaul kit, and steel kit so you have the main consumables for a full rebuild.
- Specifically listed for 6T70E/6T75E transmissions used on Buick Enclave 3.0L, reducing compatibility guesswork.
- Machined exterior components suggest improved fit and finish over loose aftermarket parts.
- Single-package quantity simplifies parts ordering for a shop or DIY project.
- No detailed installation instructions, torque values, or vehicle-specific guidance provided in the listing.
- Long-term durability and exact material specifications are not documented, so lifespan versus factory parts is uncertain.
Verdict: A single-package, application-specific rebuild kit that bundles the main friction, overhaul, and steel components to simplify a 6T70E/6T75E transmission rebuild on a Buick Enclave 3.0L.
4. 6T70E / 6T75E Transmission Overhaul Kit Gaskets & Seals for Buick Enclave
| Manufacturer | Htavidy |
|---|---|
| Model | B196820A |
| Compatible Transmission | 6T70E, 6T75E |
| Car Make | Buick Enclave |
This overhaul kit supplies a full set of gaskets and seals required when rebuilding or resealing a 6T70E or 6T75E transmission in a Buick Enclave. It is packaged as a single complete kit and is meant for use during a teardown and reassembly to refresh all the sealing surfaces that commonly leak after high mileage. Typical installation is performed during a transmission rebuild or as part of a reseal job and will reduce fluid leaks and restore proper sealing when paired with correct procedure and replacement of worn internal parts. The kit lists machined exterior components and is sold as a brand new aftermarket replacement set from the manufacturer. As a budget-oriented option, it gives the essentials needed to complete a seal job but does not include internal wear items like clutches or bearings, and fitment depends on matching the listed 6T70E/6T75E transmission application for the Enclave. Labor, fluid, and any additional wear parts are not included, so buyers should plan for a full rebuild parts list if the transmission has internal damage.
Best for: Budget-conscious owners and DIY mechanics who prioritize cost savings and need a full gasket and seal set to reseal or refresh a 6T70E/6T75E transmission in a Buick Enclave.
Less Ideal for: Shops or owners facing a transmission with significant internal wear or damage who need a comprehensive rebuild kit including clutches and bearings should choose a more complete kit or separate internal components.
- Complete set of gaskets and seals tailored for 6T70E and 6T75E transmissions
- Sold as a single kit so you receive all common external sealing components at once
- Brand new aftermarket parts suitable for reseal or overhaul jobs
- Compact packaging that contains the full seal kit for straightforward inventory and installation
- Does not include internal wear components such as clutches, bands, or bearings
- Fitment is limited to the listed 6T70E/6T75E application and requires correct transmission identification
Verdict: A cost-focused full gasket and seal kit for refreshing the seals on 6T70E/6T75E transmissions in the Buick Enclave.
5. 6T70/6T75 Transmission Rebuild Kit with Pistons for Buick Enclave and LaCrosse
| Brand | unbrand |
|---|---|
| Item model number | 6T75 |
| Manufacturer Part Number | 6T70 |
| ASIN | B0829HGQLG |
This rebuild kit supplies the internal components needed when overhauling a GM 6T70/6T75 transmission in a Buick Enclave or LaCrosse. It is typically used during a full transmission teardown to replace worn pistons, seals, and related parts so the valve body and clutch packs can function correctly again. The kit is presented as a drop-in collection of internal pieces that streamlines rebuild work and reduces the need to source individual items. For a reliability-focused buyer the main benefit is restoring factory-like hydraulic function and minimizing the chance of immediate post-repair failures. Important limitations are that the kit does not include external transmission components or guaranteed fitment verification for every model year and it assumes you have the skills and tools for a complete rebuild; professional installation or careful cross-checking of part numbers is recommended.
Best for: Reliability-focused owners who prefer restoring ailing 6T70/6T75 transmissions to dependable factory-like operation and who plan a full rebuild rather than piecemeal repairs.
Less Ideal for: Drivers seeking a plug-and-play replacement transmission or a kit for casual DIYers without transmission rebuilding experience should look for complete remanufactured units or professional service instead.
- Contains multiple internal components needed for a 6T70/6T75 rebuild, reducing parts-sourcing time
- Intended to restore hydraulic piston and seal function to improve shift quality
- Sold as a consolidated kit which simplifies planning and inventory for a rebuild job
- Does not include external transmission assemblies or guarantee year-by-year fitment
- Manufacturer branding and part number information is limited which may require cross-referencing
Verdict: A consolidated internal rebuild kit aimed at restoring reliable hydraulic operation in 6T70/6T75 transmissions for Buick Enclave and LaCrosse models.
6. Congparts Transmission Rebuild Kit — Compatible with Buick Enclave 2008–2013 and Related GM Models
| Manufacturer | Congparts |
|---|---|
| Brand | Congparts |
| Special Features | Stemless |
| Voltage | 1 Volts |
| Date First Available | February 27, 2025 |
This Congparts transmission rebuild kit supplies the internal components needed to refresh a worn automatic transmission in Buick Enclave SUVs from 2008 to 2013 and several related GM cars and SUVs. Typical use is during a transmission overhaul where seals, gaskets, friction components and other internal parts are removed and replaced to restore shifting performance and prevent fluid leaks. The listing emphasizes compatibility with Buick LaCrosse, Cadillac SRX and XTS, GMC Acadia and multiple Saturn and Pontiac models, and includes one complete kit sold as a single package. Practical benefits are that it brings a follow-on repair option to avoid a full replacement transmission and is marketed as built to quality standards for durability. Important limitations are that it is an aftermarket replacement rather than a factory part and fitment depends on matching the correct part number and engine/transmission combination, so careful verification before purchase and installation is required.
Best for: Convenience-driven buyers who want a single-source parts solution to rebuild a transmission on a Buick Enclave or similar GM vehicle and prefer avoiding multiple separate orders or sourcing visits.
Less Ideal for: Shoppers seeking an exact factory-original assembly or unfamiliar DIYers who cannot verify transmission variant and part numbers should consider professional sourcing or a remanufactured transmission instead.
- Complete kit intended to include all internal components needed for a transmission rebuild, simplifying parts sourcing
- Compatibility list covers Buick Enclave 2008–2013 and several common GM platforms, aiding fitment for many shoppers
- Packaged as a single unit which can reduce downtime compared with ordering many separate parts
- Aftermarket kit rather than factory replacement which may differ in material or tolerances from factory parts
- Fitment requires verifying part numbers and transmission variant before installation
Verdict: A single-package aftermarket rebuild kit that makes sourcing parts for a Buick Enclave transmission overhaul straightforward and convenient.
7. Transnation 6T70E/6T75E Transmission Overhaul Seal and Gasket Kit for Buick Enclave 3.0L
| Fitment | 6T70E 6T75E Transmission |
|---|---|
| Vehicle | Buick Enclave 3.0L 2007-UP |
| Condition | New |
| Manufacturer | Transnation |
This overhaul kit supplies the gaskets, seals, rubber rings, thrust washers, and other sealing components needed when rebuilding a 6T70E/6T75E transmission for a Buick Enclave 3.0L. It is intended for use during a tear-down and rebuild or when replacing leaking seals and gaskets without buying a reman or new transmission. Notable points include claims of OEM-style gaskets sourced from the USA, high-temperature resistant cushion rubbers, and soft elastic rubber rings that improve sealing around shafts and housings. For a DIYer or a shop performing a targeted seal-and-gasket refresh this kit reduces the parts-sourcing step and helps ensure matched components. Limitations to consider are that the kit is a sealing/overhaul set only and does not include internal wear items like clutches or bands, and fitment must be confirmed against the vehicle and transmission code before installation. Expect routine transmission shop procedures to be required for proper install and torque sequencing.
Best for: Risk-averse mainstream buyers seeking a factory-style seal and gasket solution to refresh or rebuild a 6T70E/6T75E transmission in a Buick Enclave without replacing the entire unit.
Less Ideal for: Customers who need a full rebuild with clutch packs, bands, or heavy internal machining work should choose a full rebuild kit or remanufactured transmission instead.
- Comprehensive set of gaskets and seals matched to the 6T70E/6T75E transmission to streamline rebuilds
- Gaskets described as original from USA which can aid proper sealing and fit
- High-temperature resistant cushion rubbers and elastic sealing rings intended to resist deformation and leaks
- Includes thrust washers and other small hardware needed for sealing surfaces during reassembly
- Does not include friction components or internal wear items such as clutches or bands
- Requires verification of fit against VIN or transmission code because parts are transmission-specific
Verdict: A full gasket and seal overhaul kit tailored to the 6T70E/6T75E transmission that simplifies leak repairs and seal replacement for Buick Enclave owners.
Choosing the Right Buick Enclave Transmission Rebuild Kit: Key Factors to Consider
Parts Completeness
A truly useful rebuild kit should include all the consumables and wear items you will replace during a full transmission teardown. That typically means friction and steel plates, seals, gaskets, filter elements, and any small hardware like snap rings or bushings that are known to fail.
If a kit omits major components you will need, you may end up buying separate parts and wasting labor time. Confirming parts completeness up front helps you budget accurately and reduces the chance of repeat disassembly.
Seal and Gasket Quality
Seals and gaskets are the primary line of defense against fluid leaks and pressure loss. Look for kits that use seals made from modern, temperature-resistant elastomers and gaskets with reinforced materials to resist compression set.
Higher-quality sealing components maintain hydraulic pressure and prevent external leaks, which directly affects shift feel and transmission longevity. Poor-quality seals may fail early, necessitating another teardown.
Friction Material and Plate Construction
Friction plates and steel plates govern clutch engagement and torque transfer inside the transmission. The composition of the friction material and the flatness and heat-treatment of steel plates influence how smoothly the unit shifts and how long it lasts under stress.
Choose kits that specify durable friction linings and precision-machined plates. Inferior friction materials can glaze or wear unevenly, while warped steel plates lead to inconsistent engagement and slipping.
Fitment Specificity
Transmission designs vary across model years and trim levels, so it matters that the kit is specified for the Buick Enclave transmission type and model year. Fitment specificity reduces the risk of incompatible parts such as incorrect plate counts, wrong seal diameters, or missing hardware.
Verify the kit references the correct transmission family and any sub-model distinctions to avoid downtime and ensure the rebuild is correct the first time.
Included Upgrades and Replacements
Some kits include upgraded parts or components that address known weak points, such as reinforced bands or improved seal formulations. These enhancements can extend service intervals and improve reliability relative to a basic parts set.
Consider whether an upgraded component is worthwhile for your vehicle's mileage and usage. Upgrades often add upfront cost but can reduce the chance of early rework and provide better long-term performance.
Documentation and Support
Clear installation instructions, exploded diagrams, and parts lists are important, especially if you are doing the work yourself or supervising a shop. Good documentation reduces installation errors and helps ensure the correct torque and assembly sequences are followed.
Access to technical support or a responsive supplier can be valuable if unexpected fitment questions arise. Kits that come with clear labeling and a complete parts list help shops move efficiently through the rebuild.
How We Chose the Best Buick Enclave Transmission Rebuild Kit
We prioritized kits that provide a comprehensive set of components needed for a complete rebuild tailored to the Buick Enclave drivetrain. Evaluation criteria included parts completeness, such as whether the kit contains friction plates, steel plates, seals, gaskets, and filter elements; material quality of friction linings and seal compounds; and fitment specificity for the Buick Enclave transmission design.We also considered durability indicators like reinforcement of high-wear parts, the quality of metal finishing to resist warping, and whether the kit includes upgraded or OEM-equivalent components that address common failure points. Ease of installation and clarity of included instructions were reviewed to reflect real-world shop and DIY experiences. Finally, we looked at coverage of consumables such as pan gaskets and filter elements so the kit supports a full tear-down and reassembly.Kits lacking key components for a full service or those that omit critical seals and gaskets were excluded. We did not include partial kits that require substantial additional purchases to complete a proper rebuild.
Our full evaluation process is outlined in our review methodology.
FAQ
What does a Buick Enclave transmission rebuild kit typically include?
Most rebuild kits include friction plates, steel plates, seals, gaskets, and filter elements needed for a full teardown. Some kits also provide small hardware like snap rings and bushings. Availability varies, so check the included parts list before you buy.
Can I rebuild a transmission myself using a rebuild kit?
You can if you have mechanical experience, the right tools, and access to a service manual or clear instructions. Transmission rebuilds require precise measurements and assembly procedures, so many people prefer a professional shop for first-time rebuilds.
How do I know if a kit fits my Buick Enclave transmission?
Confirm fitment by matching the kit to your Enclave's transmission family and model year. Look for detailed compatibility information and part numbers on the kit documentation. If in doubt, compare the kit's parts list with the components you remove during disassembly.
Should I replace seals and gaskets during a rebuild?
Yes. Replacing seals and gaskets is essential because reused sealing components are likely to lose elasticity and may not form a reliable seal after reassembly. New seals and gaskets help restore hydraulic integrity and prevent leaks.
What maintenance should I do after rebuilding a transmission?
After reassembly, check fluid level and look for leaks, then road-test the vehicle to verify shift quality. Follow a short-period recheck schedule to ensure components have seated correctly and fluid remains at the proper level.
Conclusion
When choosing a Buick Enclave transmission rebuild kit, prioritize parts completeness, correct fitment for your transmission variant, and high-quality seals and friction materials. These elements have the biggest impact on restoring reliable shifting and preventing early rework.Balance the value of included upgrades and the clarity of documentation against your skill level and the scope of the repair. A well-specified kit that covers all consumables and includes clear instructions will reduce labor surprises and improve the odds of a durable rebuild.
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