Choosing the best TH350 transmission is key for those seeking reliable performance in classic and custom builds. This review highlights top options, focusing on durability, ease of installation, and overall value. Understanding these selections helps owners make informed decisions for long-lasting transmission performance.
This information is valuable for enthusiasts and professionals alike, providing clarity on which TH350 models offer the best reliability. The review aims to guide buyers toward options that combine proven performance with affordability, ensuring confidence in their transmission choice and minimizing future maintenance concerns.
List of Top 5 Best TH350 transmission
| Image | Title | Best For | Link |
|---|---|---|---|
![]() |
Th350 Transmission Shifter For Gm Turbo 350 Automatic Transmissions Complete … | This product is suitable for automotive enthusiasts or mechanics working on GM Turbo 350 automati… | |
![]() |
Th350 Th350c Transmission Rebuild Kit Heavy Duty Master Kit Stage 4 | This rebuild kit is suitable for experienced mechanics or enthusiasts performing heavy-duty trans… | |
![]() |
Speedmaster Pce221.1024 Gm Turbo Th350 Finned Black Extra Capacity Aluminum T… | This transmission oil pan is suitable for car enthusiasts or professionals seeking improved cooli… | |
![]() |
6an 70 Transmission Fluid Oil Cooler Hose Line Kit For Gm Chevy Transmission … | This stainless steel braided PTFE hose line kit is suitable for automotive enthusiasts and profes… | |
![]() |
Black Steel Gm Th-350 Transmission Pan 2-inch Deep Stock Capacity Premium Ste… | This product is ideal for professionals or DIY enthusiasts replacing or upgrading a GM TH-350 tra… |
Detailed Reviews
This section features the top five TH350 transmissions. These options were carefully selected based on performance, reliability, and customer feedback. Each product has been evaluated to provide clear insights. Readers will learn about key features, benefits, and considerations to help choose the best transmission for their needs.
Th350 Transmission Shifter For Gm Turbo 350 Automatic Transmissions Complete …

The shifter has a solid build quality with precise machining and durable materials. Its 12-inch length provides comfortable grip and ease of use, making gear changes smooth and reliable.
Design clarity is evident with intuitive placement and a firm, responsive feel. The shifter’s construction ensures longevity and consistent performance across various driving conditions.
Pros
- Reliable performance for daily use.
- Sleek design enhances portability.
- Durable materials ensure longevity.
Cons
- The shifter offers precise control for GM Turbo 350 transmissions. Its 12-inch stick provides comfortable shifting ergonomics. The installation process is straightforward for most users. The shifter may not fit transmissions with different mounting configurations. Some users might find the length of the stick longer than desired. The finish could wear over time with frequent use.
- Slightly higher price than competitors.
- Limited accessory compatibility.
Perfect For:
This product is suitable for automotive enthusiasts or mechanics working on GM Turbo 350 automatic transmissions who need a reliable and complete 12-inch shifter for their transmission.
Th350 Th350c Transmission Rebuild Kit Heavy Duty Master Kit Stage 4

The rebuild kit offers strong performance with durable components designed to handle heavy-duty use. The build quality is high, ensuring long-lasting operation. Its design simplifies installation and maintenance, making it accessible even for less experienced technicians.
Usability is enhanced by clear instructions and well-made parts that fit precisely. The kit improves transmission reliability and efficiency. Overall, it provides a robust solution for restoring or upgrading the TH350 series transmission.
Pros
- Reliable performance for daily use.
- Sleek design enhances portability.
- Durable materials ensure longevity.
Cons
- The kit includes a wide range of components for thorough rebuilding. It is designed for heavy-duty applications, providing durability under stress. Installation instructions are clear, aiding in proper assembly.
- Some parts may require additional tools or expertise for installation. The kit does not include all possible replacement components needed for every transmission model. Compatibility with older or modified transmissions might be limited.
- Slightly higher price than competitors.
Perfect For:
This rebuild kit is suitable for experienced mechanics or enthusiasts performing heavy-duty transmission repairs on vehicles requiring a durable and reliable upgrade.
Speedmaster Pce221.1024 Gm Turbo Th350 Finned Black Extra Capacity Aluminum T…

The Speedmaster PCE221.1024 GM Turbo TH350 Finned Black Extra Capacity Aluminum Transmission Oil Pan offers durable construction with high-quality aluminum. Its fins improve cooling, and the extra capacity design helps maintain consistent transmission temperatures during demanding driving conditions.
The design is practical and well-executed, making installation straightforward. The black finish provides a sleek look, and the extra capacity enhances performance by reducing the risk of overheating. Overall, it is a reliable choice for improving transmission efficiency and longevity.
Pros
- The aluminum construction provides good heat dissipation during operation. The finned design helps improve oil cooling efficiency. Extra capacity allows for better oil volume and potentially longer service intervals.
- The installation process may require precise fitting to prevent leaks. Some users might find the finned design adds unnecessary weight. Compatibility with specific transmission models should be verified before purchase.
- Reliable performance for daily use.
Cons
- Slightly higher price than competitors.
- Limited accessory compatibility.
- May require frequent maintenance.
Perfect For:
This transmission oil pan is suitable for car enthusiasts or professionals seeking improved cooling and extra capacity for high-performance or heavy-duty applications.
6an 70 Transmission Fluid Oil Cooler Hose Line Kit For Gm Chevy Transmission …

This hose kit features stainless steel braided PTFE construction, providing excellent durability and resistance to high pressures and temperatures. The design is flexible and easy to install, making it suitable for various transmission systems without leaks or fittings issues.
The build quality is robust, with high-quality materials that ensure long-lasting performance. Its compatibility with multiple transmission models simplifies installation and maintenance, offering reliable operation under demanding driving conditions.
Pros
- Reliable performance for daily use.
- Sleek design enhances portability.
- Durable materials ensure longevity.
Cons
- The hose kit is compatible with a wide range of GM and Ford transmissions. The stainless steel braided exterior provides durability against abrasion and heat. The PTFE inner lining offers excellent chemical resistance and flow characteristics. The installation process may be complex for those unfamiliar with transmission systems. The cost of the kit is higher compared to standard rubber hoses. The stainless steel braid can be difficult to cut or modify without proper tools.
- Slightly higher price than competitors.
- Limited accessory compatibility.
Perfect For:
This stainless steel braided PTFE hose line kit is suitable for automotive enthusiasts and professionals performing transmission repairs or upgrades on GM, Chevy, Ford, and other compatible vehicles.
Black Steel Gm Th-350 Transmission Pan 2-inch Deep Stock Capacity Premium Ste…

The steel construction of this transmission pan provides durability and reliable performance. Its black painted finish offers corrosion resistance and a clean look. The integrated drain plug makes maintenance and fluid changes straightforward and less messy.
The design is practical with a 2-inch depth that maintains stock capacity. The pan’s build quality ensures it withstands heat and vibrations during operation. Installation is simple, and the premium materials contribute to long-term durability.
Pros
- Reliable performance for daily use.
- Sleek design enhances portability.
- Durable materials ensure longevity.
Cons
- The steel construction provides durability and resistance to warping. The included drain plug simplifies maintenance and fluid changes. The black painted finish offers corrosion resistance and a sleek appearance.
- The pan’s 2-inch depth may limit capacity for high-volume applications. Compatibility is specific to GM TH-350 transmissions, reducing versatility. The finish could chip over time if not properly handled during installation.
- Slightly higher price than competitors.
Perfect For:
This product is ideal for professionals or DIY enthusiasts replacing or upgrading a GM TH-350 transmission pan that requires durability and easy maintenance.
Buying Guide
Choosing the best TH350 transmission requires careful thought. Factors like compatibility, performance, and durability are key. Being aware of these aspects helps ensure a satisfying purchase.
Compatibility with Your Vehicle
Ensure the TH350 transmission is compatible with your vehicle’s make and model. Compatibility affects installation and performance. Confirming fitment prevents future issues and additional costs.
Performance and Build Quality
Look for transmissions with high-quality components and good performance ratings. A well-built transmission offers better durability and smoother operation. Consider features like upgraded clutches and reinforced housings for longevity.
Price and Warranty
Prices for TH350 transmissions vary depending on the brand and features. A good warranty indicates manufacturer confidence and provides peace of mind. Balance cost with quality to find the best value for your investment.
Frequently Asked Questions
What is the typical price range for a new or rebuilt TH350 transmission?
The price usually ranges from a few hundred to over a thousand dollars depending on condition and upgrades. Rebuilt units tend to be more affordable, while new or high-performance versions cost more.
What key features should I look for in a TH350 transmission?
Look for features like heavy-duty clutches, upgraded bands, and reinforced housings. These improve durability and performance, especially under high-stress conditions.
Are there beginner-friendly and advanced options available?
Yes, basic models are suitable for standard use, while performance or racing versions have additional upgrades. Choose based on your driving needs and experience level.
What are common mistakes to avoid when buying a TH350 transmission?
Avoid purchasing units without verifying compatibility and condition. Also, do not ignore warranty details or the reputation of the seller.
How should I maintain and ensure the longevity of my TH350 transmission?
Regular fluid changes and inspections are essential for proper maintenance. Proper installation and avoiding excessive stress can significantly extend its lifespan.
Conclusion
Choosing the right TH350 transmission can greatly improve your vehicle’s performance and reliability. Focus on compatibility, build quality, and price to make an informed decision. Take action now to upgrade with confidence and enjoy a smooth, durable driving experience.