Looking for the best TH-350 kits to keep your transmission in top shape? We’ve curated a list of the top 10 TH-350 kits to help you find the perfect match for your vehicle’s needs.
Maintaining your TH-350 transmission is key to keeping your vehicle running smoothly. Whether you’re fixing leaks, upgrading performance, or ensuring accurate speedometer readings, the right kit makes all the difference. We’ve gathered the best TH-350 kits to help you find the perfect match for your needs.
From reseal kits that stop leaks to rebuild kits that boost performance, these products are designed for durability and reliability. Each kit includes high-quality components to ensure your transmission works like new. Plus, many come with warranties and customer support for added peace of mind.
Ready to upgrade your transmission? Dive into our guide to discover the top TH-350 kits that will keep your vehicle running at its best. Let’s get started!
List of Top 10 Th-350 Kits
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GOLKNHA Turbo 350 TH350 TH350C Transmission External Gasket Seal Reseal Kit, Filler Tube O-Ring & More Fits THM-250, 250C, 350, 350C & 375B Transmissions, Maximum Coverage with Metal Clad Seals |
This GOLKNHA Turbo 350 Transmission Reseal Kit is perfect for DIY mechanics and car enthusiasts looking to prevent leaks and extend the life of their THM-250, 250C, 350, 350C, or 375B transmissions. It provides maximum coverage with high-quality metal-clad seals and all the essential components for a complete reseal. |
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BIGLKNM TH350 Transmission Seal Filter Kit; Automatic Transmission External Gasket Seal Reseal Kit for Turbo 350 TH350 TH350C Rebuild Kit |
This BIGLKNM TH350 Transmission Seal Filter Kit is perfect for anyone rebuilding or repairing a Turbo 350 transmission. It’s ideal for fixing leaks and keeping your transmission running smoothly. |
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TH350 Turbo 350 Transmission Raybestos Stage 1 Red Less Steel Rebuild Kit |
This rebuild kit is perfect for car enthusiasts who want to upgrade their transmission. It’s ideal for street rods, tuner cars, and mild street strip applications. |
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TH350 Front & Rear Seal Kit Turbo 350 Transmission T350 |
This TH350 Front & Rear Seal Kit is perfect for anyone fixing a Turbo 350 transmission. It includes new seals to stop leaks and keep your car running smoothly. |
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Speedometer Driven Gear (17-22 Teeth) & Bullet Kit Compatible with GM TH350 Turbo 350 Transmissions |
This Speedometer Driven Gear & Bullet Kit is perfect for car enthusiasts and DIY mechanics who need a reliable, compatible solution for their GM TH350 Turbo 350 transmissions. It’s easy to install and comes with everything you need to get the job done right. |
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JEGS Transmission Filter And Gasket Kit | Fits TH-350 (Including Metric) Chevrolet, Buick, Oldsmobile, And Pontiac Transmissions | Includes Filter, Pan Gasket, And Filter Gasket |
This JEGS Transmission Filter And Gasket Kit is a must-have for anyone looking to keep their vehicle’s transmission running smoothly and extend its lifespan. It’s perfect for owners of Chevrolet, Buick, Oldsmobile, and Pontiac vehicles with TH-350 transmissions, especially when it’s time for a fluid change or valve body maintenance. |
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TH350 Turbo 350 Transmission Raybestos Stage 1 Master Level 2 Rebuild Kit |
This TH350 Turbo 350 Transmission Rebuild Kit is perfect for car enthusiasts who want reliable performance. It’s ideal for street rods, tuner cars, and mild street strip applications, as well as heavy-duty towing. |
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TH350 Speedo Housing Kit for GM TH350 Transmission 1969 & Up, Speedometer Turbo 350 Includes Retainer Bracket, Extra Seals, Lock Washer & Bolts, Prevents Fluid Leaks, Accurate Gear Engagement- 1 Set |
This TH350 Speedo Housing Kit is perfect for car owners who want to fix leaks and improve their GM TH350 transmission’s performance. It’s ideal for those with 1969 & up models needing a reliable, long-lasting solution. |
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GOLKNHA TH350 22-Tooth Speedometer Driven Gear with Speedo Housing Kit Include Seals and Retainer Bracket, Turbo 350 (GM TH350) Speedo Gear Replacement-Grey |
This GOLKNHA TH350 22-Tooth Speedometer Driven Gear is perfect for anyone with a GM TH350 (Turbo 350) transmission who wants reliable speedometer feedback and smooth transmission performance. It’s easy to install and comes with everything you need, including seals and a retainer bracket. |
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Speedmaster PCE222.1006 Turbo 350 TH350 Transmission Shift Improver Kit – Stage 2 |
This Speedmaster PCE222.1006 Turbo 350 TH350 Transmission Shift Improver Kit is perfect for car enthusiasts who want smoother, faster shifts. It’s ideal for daily drivers or racers looking to upgrade their transmission with proven, reliable performance. |
Detailed Reviews
Discover the top 10 TH-350 kits handpicked for performance, durability, and value. From leak-stopping seals to high-speed upgrades, each kit is reviewed to ensure you get the best fit for your transmission needs. Dive in to find the perfect match for your vehicle and drive with confidence.
1. GOLKNHA Turbo 350 TH350 TH350C Transmission External Gasket Seal Reseal Kit, Filler Tube O-Ring & More Fits THM-250, 250C, 350, 350C & 375B Transmissions, Maximum Coverage with Metal Clad Seals
Stop transmission leaks with the GOLKNHA Turbo 350 Reseal Kit. It fits all THM-250, 250C, 350, 350C & 375B transmissions. Get maximum coverage for a complete repair.
This kit includes all essential seals and extra parts for total protection. Enjoy peace of mind with a 1-year warranty and 24/7 customer service.
| Pros | Cons |
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Perfect For:
This GOLKNHA Turbo 350 Transmission Reseal Kit is perfect for DIY mechanics and car enthusiasts looking to prevent leaks and extend the life of their THM-250, 250C, 350, 350C, or 375B transmissions. It provides maximum coverage with high-quality metal-clad seals and all the essential components for a complete reseal.
Ready to Purchase?
2. BIGLKNM TH350 Transmission Seal Filter Kit; Automatic Transmission External Gasket Seal Reseal Kit for Turbo 350 TH350 TH350C Rebuild Kit
Keep your Turbo 350 transmission running smoothly with the BIGLKNM TH350 Transmission Seal Filter Kit. This kit is designed to seal up leaks and ensure your transmission performs at its best.
It’s an OEM fit for your original parts. The seals are made from long-lasting, high-quality material. This kit is built for durability and reliability.
With fluoro rubber O-rings for superior resistance to heat and corrosion, this kit includes everything you need, like the transmission oil pump seal and oil pan gasket, for a complete reseal.
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Perfect For:
This BIGLKNM TH350 Transmission Seal Filter Kit is perfect for anyone rebuilding or repairing a Turbo 350 transmission. It’s ideal for fixing leaks and keeping your transmission running smoothly.
Ready to Purchase?
3. TH350 Turbo 350 Transmission Raybestos Stage 1 Red Less Steel Rebuild Kit
The TH350 Turbo 350 Transmission Rebuild Kit is made in the USA with high-quality Raybestos clutches. It includes premium Transtec gaskets and all essential parts for a complete rebuild. This kit meets professional standards and is easy to install.
The Stage 1 frictions handle performance demands better than stock plates. They’re perfect for street rods, tuner cars, and towing heavy loads. This kit is affordable and reliable for upgrading your transmission.
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Perfect For:
This rebuild kit is perfect for car enthusiasts who want to upgrade their transmission. It’s ideal for street rods, tuner cars, and mild street strip applications.
Ready to Purchase?
4. TH350 Front & Rear Seal Kit Turbo 350 Transmission T350
Keep your TH350 transmission running smoothly! This kit includes a new front pump seal and an extension housing seal. It’s everything you need for a reliable seal replacement.
Ensure optimal performance and prevent leaks. This kit is designed for the TH350 transmission, offering a perfect fit. Get back on the road with confidence.
Don’t let worn seals slow you down. Upgrade your transmission with this essential kit today!
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Perfect For:
This TH350 Front & Rear Seal Kit is perfect for anyone fixing a Turbo 350 transmission. It includes new seals to stop leaks and keep your car running smoothly.
Ready to Purchase?
5. Speedometer Driven Gear (17-22 Teeth) & Bullet Kit Compatible with GM TH350 Turbo 350 Transmissions
Upgrade your TH350 transmission with this complete speedometer gear kit. It includes gears from 17 to 22 teeth for perfect calibration. Get your speedometer reading accurately!
This kit features a Viton O-ring for superior sealing. It’s built with fine workmanship for lasting performance.
We stand by our product with a one-year warranty. Contact us if any issues pop up.
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Perfect For:
This Speedometer Driven Gear & Bullet Kit is perfect for car enthusiasts and DIY mechanics who need a reliable, compatible solution for their GM TH350 Turbo 350 transmissions. It’s easy to install and comes with everything you need to get the job done right.
Ready to Purchase?
6. JEGS Transmission Filter And Gasket Kit | Fits TH-350 (Including Metric) Chevrolet, Buick, Oldsmobile, And Pontiac Transmissions | Includes Filter, Pan Gasket, And Filter Gasket
Keep your transmission running smoothly with the JEGS Transmission Filter and Gasket Kit. This essential kit ensures your vehicle’s transmission lasts longer. It’s a must-have for any fluid change or valve body maintenance.
Designed for TH-350 transmissions, including metric models, this kit fits Chevrolet, Buick, Oldsmobile, and Pontiac vehicles. Get top-quality components for a reliable repair.
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Perfect For:
This JEGS Transmission Filter And Gasket Kit is a must-have for anyone looking to keep their vehicle’s transmission running smoothly and extend its lifespan. It’s perfect for owners of Chevrolet, Buick, Oldsmobile, and Pontiac vehicles with TH-350 transmissions, especially when it’s time for a fluid change or valve body maintenance.
Ready to Purchase?
7. TH350 Turbo 350 Transmission Raybestos Stage 1 Master Level 2 Rebuild Kit
The TH350 Turbo 350 Transmission Rebuild Kit is a top-quality upgrade for your vehicle. It includes Raybestos Stage 1 Friction Plates and a premium Transtec Gasket Kit. All parts are made in the USA and meet professional standards.
This kit boosts performance and durability, perfect for street rods and heavy-duty towing. It handles higher temperatures and increases holding capacity, making it a reliable choice for your transmission needs.
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Perfect For:
This TH350 Turbo 350 Transmission Rebuild Kit is perfect for car enthusiasts who want reliable performance. It’s ideal for street rods, tuner cars, and mild street strip applications, as well as heavy-duty towing.
Ready to Purchase?
8. TH350 Speedo Housing Kit for GM TH350 Transmission 1969 & Up, Speedometer Turbo 350 Includes Retainer Bracket, Extra Seals, Lock Washer & Bolts, Prevents Fluid Leaks, Accurate Gear Engagement- 1 Set
Upgrade your GM TH350 transmission with this essential Speedometer Housing Kit. It’s a perfect fit for models from 1969 and up, designed specifically for a 7/8″ hole. Get your speedometer working like new again.
This kit prevents messy fluid leaks with extra seals and an O-ring. It ensures accurate gear engagement for reliable performance.
Crafted from premium stainless steel and durable rubber, this kit is built to last. It resists high temperatures and pressures, giving you long-term reliability.
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Perfect For:
This TH350 Speedo Housing Kit is perfect for car owners who want to fix leaks and improve their GM TH350 transmission’s performance. It’s ideal for those with 1969 & up models needing a reliable, long-lasting solution.
Ready to Purchase?
9. GOLKNHA TH350 22-Tooth Speedometer Driven Gear with Speedo Housing Kit Include Seals and Retainer Bracket, Turbo 350 (GM TH350) Speedo Gear Replacement-Grey
Get your GM TH350 transmission working perfectly with this speedometer driven gear and housing kit. It’s designed for a perfect fit on your Turbo 350. This grey kit includes everything you need for a smooth speed signal.
You’ll get a 22-tooth speedo driven gear with seals and a speedo housing kit that includes seals and a retainer bracket. This ensures consistent gear engagement for reliable speedometer readings. Enjoy enhanced transmission responsiveness on every drive.
This GOLKNHA TH350 kit comes with a 1-year warranty. Our 24/7 customer service is ready to help if you have any questions.
| Pros | Cons |
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Perfect For:
This GOLKNHA TH350 22-Tooth Speedometer Driven Gear is perfect for anyone with a GM TH350 (Turbo 350) transmission who wants reliable speedometer feedback and smooth transmission performance. It’s easy to install and comes with everything you need, including seals and a retainer bracket.
Ready to Purchase?
10. Speedmaster PCE222.1006 Turbo 350 TH350 Transmission Shift Improver Kit – Stage 2
Unleash your transmission’s power with the Speedmaster PCE222.1006 Turbo 350 Shift Improver Kit. This Stage 2 kit is built for peak performance. Get ready for quicker shifts and improved control.
Speedmaster brings you track-proven innovation. Experience unmatched durability and superior driving.
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Perfect For:
This Speedmaster PCE222.1006 Turbo 350 TH350 Transmission Shift Improver Kit is perfect for car enthusiasts who want smoother, faster shifts. It’s ideal for daily drivers or racers looking to upgrade their transmission with proven, reliable performance.
Ready to Purchase?
Buying Guide
Keeping your TH-350 transmission in top shape is easy with the right kit. Whether you’re fixing leaks, boosting performance, or ensuring accurate speedometer readings, the right parts make all the difference. We’ve gathered the best TH-350 kits to help you find the perfect match for your needs.
Factors to Consider When Buying TH-350 Kits:
- Compatibility: Make sure the kit fits your specific TH-350 transmission model. Check for compatibility with your vehicle’s make, model, and year.
- Quality of Materials: Look for kits with high-quality seals, gaskets, and components to ensure durability and reliability.
- Purpose: Decide if you need a reseal kit for leaks, a rebuild kit for performance, or a speedometer kit for accuracy.
- Warranty and Support: Choose kits with warranties and customer support for added peace of mind.
- Ease of Installation: Opt for kits that are easy to install, especially if you’re doing it yourself.
- Price: Compare prices to find a kit that fits your budget without compromising on quality.
Engaging Experience:
With the right TH-350 kit, you’ll enjoy a smoother ride, better performance, and fewer worries about leaks or malfunctions. Whether you’re a DIY enthusiast or a professional, these kits are designed to make maintenance and upgrades hassle-free.