Best Transmission Rebuild Kit For TH-350

Looking for the best transmission rebuild kit for your TH-350? Our guide offers a curated list of top-quality kits to make your rebuild smooth and efficient.

Rebuilding a TH-350 transmission can feel like a big task, but with the right kit, it’s easier than you think. Whether you’re fixing leaks or boosting performance, the best transmission rebuild kit makes all the difference.

Choose quality parts, save time, and drive with confidence. Our guide highlights top kits that fit your needs perfectly.

Discover kits that handle heat, leaks, and heavy use. Find the perfect match for your TH-350 and get back on the road smoothly.

List of Top 10 Transmission Rebuild Kit For TH-350

Image Title Best For Price
TH350 Turbo 350 Transmission Raybestos Stage 1 Deluxe Rebuild Kit TH350 Turbo 350 Transmission Raybestos Stage 1 Deluxe Rebuild Kit

This TH350 Turbo 350 Transmission Raybestos Stage 1 Deluxe Rebuild Kit is perfect for car enthusiasts who want reliable performance. It’s great for street rods, tuner cars, and mild street strip applications.

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250/350 Transmission Rebuild Kit, Master Less Steels 1969-1979 250/350 Transmission Rebuild Kit, Master Less Steels 1969-1979

This 250/350 Transmission Rebuild Kit is perfect for car enthusiasts and DIY mechanics who want to restore their classic vehicles. It’s ideal for 1969-1979 models needing a reliable transmission overhaul.

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JEGS Complete Transmission Rebuild Kit | Fits 1969-1986 GM or Chevy TH-350 (non-lockup) With 30-Spline Input Shaft | Made in USA JEGS Complete Transmission Rebuild Kit | Fits 1969-1986 GM or Chevy TH-350 (non-lockup) With 30-Spline Input Shaft | Made in USA

This JEGS Complete Transmission Rebuild Kit is perfect for car enthusiasts and DIY mechanics who want to fix their classic GM or Chevy TH-350 transmission. It’s easy to use and includes everything needed for a smooth repair.

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TH350 TH350C Transmission Rebuild kit Heavy Duty Master Kit Stage 4 TH350 TH350C Transmission Rebuild kit Heavy Duty Master Kit Stage 4

This TH350 TH350C Transmission Rebuild Kit is perfect for anyone who wants a reliable, heavy-duty upgrade for their GM vehicle. It’s ideal for trucks, towing, or high-stress street use, ensuring smooth shifts and long-lasting performance.

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TH350 Turbo 350 Transmission Raybestos Stage 1 Master Level 2 Rebuild Kit 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. Whether you’re towing heavy loads or upgrading your street rod, this kit meets your needs.

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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 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 anyone who wants to fix leaks and extend the life of their THM-250, 250C, 350, 350C, or 375B transmission. It’s ideal for DIYers and professionals alike, offering maximum coverage and durable parts for a complete reseal.

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TH350 Turbo 350 Transmission Raybestos Stage 1 Red Less Steel Rebuild Kit TH350 Turbo 350 Transmission Raybestos Stage 1 Red Less Steel 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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BIGLKNM TH350 Transmission Seal Filter Kit; Automatic Transmission External Gasket Seal Reseal Kit for Turbo 350 TH350 TH350C Rebuild Kit BIGLKNM TH350 Transmission Seal Filter Kit; Automatic Transmission External Gasket Seal Reseal Kit for Turbo 350 TH350 TH350C Rebuild Kit

This TH350 Transmission Seal Filter Kit is perfect for anyone rebuilding or repairing a Turbo 350 transmission. It’s ideal for stopping leaks and keeping your transmission running smoothly.

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TH350 TRANSGO Shift Kit Valve Body Rebuild Kit 69-up TH350 TRANSGO Shift Kit Valve Body Rebuild Kit 69-up

This TH350 TRANSGO Shift Kit is perfect for car enthusiasts and DIY mechanics who want to improve their transmission’s performance. It’s easy to install and built to last, making it ideal for anyone looking to upgrade their vehicle.

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TH350 Turbo 350 Transmission Raybestos Stage 1 Master Rebuild Kit TH350 Turbo 350 Transmission Raybestos Stage 1 Master Rebuild Kit

This TH350 Turbo 350 Transmission Raybestos Stage 1 Master Rebuild Kit is perfect for car enthusiasts who want reliable performance. It’s great for street rods, tuner cars, and mild street strip applications, as well as heavy-duty towing needs.

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Detailed Reviews

Discover the top 10 Transmission Rebuild Kits for TH-350, carefully selected based on expert reviews and customer feedback. Each kit is thoroughly evaluated for quality, performance, and value, ensuring you find the perfect match for your needs. Whether you’re upgrading for performance, reliability, or affordability, this guide has you covered. Dive in to find the best rebuild kit that will keep your transmission running smoothly and efficiently.

1. TH350 Turbo 350 Transmission Raybestos Stage 1 Deluxe Rebuild Kit

TH350 Turbo 350 Transmission Raybestos Stage 1 Deluxe Rebuild Kit

The TH350 Turbo 350 Transmission Raybestos Stage 1 Deluxe Rebuild Kit is a top-quality solution for your transmission needs. It includes high-quality clutches made by Raybestos in the USA and a premium Transtec gasket kit.

This kit has everything you need, from friction plates to seals. It’s perfect for performance and heavy-duty use, handling higher temperatures and tough demands.

Pros Cons
  • High-quality clutches and gaskets for a reliable rebuild.
  • Affordable performance upgrade for your transmission.
  • Enhanced holding capacity for heavy-duty tasks.
  • Withstands high temperatures, perfect for towing.
  • Best choice for street rods and tuner cars.
  • Not for extreme racing, better for street use.
  • Limited to mild upgrades, not for heavy mods.
  • Higher cost than basic kits, budget carefully.

Perfect For:

This TH350 Turbo 350 Transmission Raybestos Stage 1 Deluxe Rebuild Kit is perfect for car enthusiasts who want reliable performance. It’s great for street rods, tuner cars, and mild street strip applications.

Ready to Purchase?

2. 250/350 Transmission Rebuild Kit, Master Less Steels 1969-1979

250/350 Transmission Rebuild Kit, Master Less Steels 1969-1979

The 250/350 Transmission Rebuild Kit is perfect for 1969-1979 models. It includes premium parts for a smooth rebuild.

This kit has everything you need. It includes an overhaul kit, Raybestos clutch pack, and seals.

All parts are top quality and reliable. Trust this kit for a strong, lasting fix.

Pros Cons
  • Premium parts ensure a reliable and long-lasting rebuild.
  • Complete kit includes all essentials for a smooth transmission fix.
  • Raybestos clutch pack delivers superior performance and durability.
  • Industry-leading suppliers guarantee top-quality components every time.
  • No steels included, requires separate purchase for complete rebuild.
  • Limited compatibility, only fits 1969-1979 models.
  • Premium price, may be costly for casual DIYers.

Perfect For:

This 250/350 Transmission Rebuild Kit is perfect for car enthusiasts and DIY mechanics who want to restore their classic vehicles. It’s ideal for 1969-1979 models needing a reliable transmission overhaul.

Ready to Purchase?

3. JEGS Complete Transmission Rebuild Kit | Fits 1969-1986 GM or Chevy TH-350 (non-lockup) With 30-Spline Input Shaft | Made in USA

JEGS Complete Transmission Rebuild Kit | Fits 1969-1986 GM or Chevy TH-350 (non-lockup) With 30-Spline Input Shaft | Made in USA

Rebuild your classic GM or Chevy transmission with the JEGS Complete Transmission Rebuild Kit. This all-in-one kit fits 1969-1986 TH-350 transmissions with a non-lockup converter and 30-spline input shaft. It’s made in the USA for quality you can trust.

The kit includes everything you need, from gaskets and seals to friction plates and bushings. No more guessing or missing parts—just a complete rebuild solution.

Need a basic overhaul instead? Separate kits with just gaskets and seals are also available. Save time and effort with JEGS.

Pros Cons
  • Complete rebuild kit removes transmission repair guesswork.
  • Fits 1969-1986 GM/Chevy TH-350 with 30-spline input shaft.
  • High-quality USA-made materials ensure durability and reliability.
  • Includes all essentials: gaskets, seals, plates, and more.
  • Not for lockup converters, check your transmission type before buying.
  • No tools included, you’ll need to buy or rent them separately.
  • Basic kit sold separately, extra cost if you only need gaskets.

Perfect For:

This JEGS Complete Transmission Rebuild Kit is perfect for car enthusiasts and DIY mechanics who want to fix their classic GM or Chevy TH-350 transmission. It’s easy to use and includes everything needed for a smooth repair.

Ready to Purchase?

4. TH350 TH350C Transmission Rebuild kit Heavy Duty Master Kit Stage 4

TH350 TH350C Transmission Rebuild kit Heavy Duty Master Kit Stage 4

The TH350 TH350C Transmission Rebuild Kit is a heavy-duty master kit designed for Stage 4 overhauls. It includes Alto HEG Graphite frictions, Alto steels, and premium sealing components for a complete rebuild.

This kit features Alto HEG High-Energy Frictions, built to handle heat and load. It’s ideal for trucks, towing, or high-stress street use, ensuring smooth shifts under pressure.

Compatible with 1969–86 GM transmissions, this kit fits TH350 & TH350C units. It includes a full-ring front band, Alto Red Stripe Modulator, and Alto Nylon Filter for a long-lasting, leak-free build.

Pros Cons
  • Complete rebuild kit for heavy-duty performance.
  • Alto HEG frictions handle heat and load effortlessly.
  • Premium sealing components ensure leak-free builds.
  • Compatible with TH350/TH350C GM transmissions (1969–86).
  • Hand-picked by experts for long-lasting reliability.
  • Not for beginners — requires expertise for proper installation.
  • No tools included — you’ll need to buy or rent them separately.
  • Pricey — a big investment for a rebuild kit.

Perfect For:

This TH350 TH350C Transmission Rebuild Kit is perfect for anyone who wants a reliable, heavy-duty upgrade for their GM vehicle. It’s ideal for trucks, towing, or high-stress street use, ensuring smooth shifts and long-lasting performance.

Ready to Purchase?

5. TH350 Turbo 350 Transmission Raybestos Stage 1 Master Level 2 Rebuild Kit

TH350 Turbo 350 Transmission Raybestos Stage 1 Master Level 2 Rebuild Kit

The TH350 Turbo 350 Transmission Rebuild Kit is made in the USA by Raybestos. It includes high-quality clutches and a premium Transtec gasket kit. This kit meets professional standards for reliable performance.

It comes with Stage 1 friction plates, steel plates, filters, and seals. These parts handle heavy-duty use and high temperatures, perfect for towing or performance driving.

The affordable solution boosts holding capacity and works for street rods and tuner cars. It’s ideal for mild street strip and daily driving needs.

Pros Cons
  • High-quality clutches and gaskets for a reliable rebuild.
  • Includes all essential parts for a complete transmission overhaul.
  • Performance frictions handle demands beyond stock plates.
  • Enhances heavy-duty applications with increased holding capacity.
  • Affordable solution for performance and street rod upgrades.
  • Not for extreme performance, only mild upgrades.
  • Limited to street and light strip use, not racing.
  • No advanced Gen2 features, just basic Stage 1.

Perfect For:

This TH350 Turbo 350 Transmission Rebuild Kit is perfect for car enthusiasts who want reliable performance. Whether you’re towing heavy loads or upgrading your street rod, this kit meets your needs.

Ready to Purchase?

6. 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

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

The GOLKNHA Turbo 350 TH350 TH350C Transmission Kit is perfect for resealing your transmission. It fits all THM-250, 250C, 350, 350C, and 375B models, no matter the year or make.

This comprehensive kit includes metal-clad seals and extra parts like the filler tube o-ring and detent cable boot. It prevents leaks, extends transmission life, and comes with a 1-year warranty.

Pros Cons
  • Fits many models, ensuring wide compatibility for your transmission needs.
  • Comprehensive kit includes extra parts for complete protection.
  • Durable metal-clad seals offer enhanced leak prevention and longevity.
  • 1-year warranty and 24/7 support for peace of mind.
  • Not universal: May not fit all transmission types.
  • Installation complexity: Requires skill for proper sealing.
  • Cost concern: Higher price than basic kits.

Perfect For:

This GOLKNHA Turbo 350 Transmission Reseal Kit is perfect for anyone who wants to fix leaks and extend the life of their THM-250, 250C, 350, 350C, or 375B transmission. It’s ideal for DIYers and professionals alike, offering maximum coverage and durable parts for a complete reseal.

Ready to Purchase?

7. TH350 Turbo 350 Transmission Raybestos Stage 1 Red Less Steel Rebuild Kit

TH350 Turbo 350 Transmission Raybestos Stage 1 Red Less Steel Rebuild Kit

The TH350 Turbo 350 Transmission Rebuild Kit is a high-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 is perfect for performance and heavy-duty use. It handles higher temperatures and increases holding capacity, making it ideal for street rods, tuner cars, and towing.

Pros Cons
  • High-quality clutches and gaskets for a reliable rebuild.
  • USA-made Raybestos parts ensure top performance.
  • Handles heavy towing and high temps with ease.
  • Affordable upgrade for street and strip use.
  • Not for extreme racing, better for mild performance.
  • Limited to heavy-duty, not for max-load applications.
  • No advanced upgrades, basic rebuild kit only.

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. BIGLKNM TH350 Transmission Seal Filter Kit; Automatic Transmission External Gasket Seal Reseal Kit for Turbo 350 TH350 TH350C Rebuild Kit

BIGLKNM TH350 Transmission Seal Filter Kit; Automatic Transmission External Gasket Seal Reseal Kit for Turbo 350 TH350 TH350C Rebuild Kit

The BIGLKNM TH350 Transmission Seal Filter Kit is a must-have for fixing leaks. It works with all Turbo 350 transmissions, no matter the year or model. This kit ensures a perfect fit every time.

Made from high-quality materials, the seals resist heat and corrosion. The fluoro rubber O-ring prevents leaks, keeping your transmission running smoothly.

The kit includes everything you need, like the oil pump seal and pan gasket. Check the pictures for a full list of parts included.

Pros Cons
  • Fits all THM-250, 250C, 350, 350C & 375B transmissions.
  • Perfect OEM fit for original or broken parts.
  • Seals leaks effectively with high-quality materials.
  • Long-lasting fluoro rubber O-ring resists heat and corrosion.
  • Not for manual transmissions, only automatic models.
  • No tools included, buy separately for installation.
  • Limited to specific transmission types, check compatibility first.

Perfect For:

This TH350 Transmission Seal Filter Kit is perfect for anyone rebuilding or repairing a Turbo 350 transmission. It’s ideal for stopping leaks and keeping your transmission running smoothly.

Ready to Purchase?

9. TH350 TRANSGO Shift Kit Valve Body Rebuild Kit 69-up

TH350 TRANSGO Shift Kit Valve Body Rebuild Kit 69-up

The TH350 TRANSGO Shift Kit Valve Body Rebuild Kit is a comprehensive solution for your transmission needs. It includes all essential components for a complete rebuild. This kit is designed to enhance your driving experience.

With its durable metal construction, this kit is built to last. The 3-port globe valve ensures smooth fluid flow, optimizing transmission performance. Easy installation is guaranteed with threaded inlet and flare outlet connections.

Upgrade your shifting experience with this kit. It improves smoothness and responsiveness, making your drive more enjoyable. Simple assembly means you’ll be back on the road in no time.

Pros Cons
  • Complete rebuild kit for TH350 valve body.
  • Durable metal parts ensure long-lasting performance.
  • Smooth shifts with upgraded components for better driving.
  • Easy install with threaded and flare connections.
  • Not for beginners: Requires some skill for proper installation.
  • No instructions: Missing guide may confuse first-time users.
  • Pricey option: Higher cost than basic rebuild kits.

Perfect For:

This TH350 TRANSGO Shift Kit is perfect for car enthusiasts and DIY mechanics who want to improve their transmission’s performance. It’s easy to install and built to last, making it ideal for anyone looking to upgrade their vehicle.

Ready to Purchase?

10. TH350 Turbo 350 Transmission Raybestos Stage 1 Master Rebuild Kit

TH350 Turbo 350 Transmission Raybestos Stage 1 Master Rebuild Kit

The TH350 Turbo 350 Transmission Raybestos Stage 1 Master Rebuild Kit is a high-quality solution for your transmission needs. It includes Raybestos clutches and a premium Transtec gasket kit, all made in the USA.

This kit features Stage-1 friction plates, Kolene steel plates, and sealing rings for top performance. It’s perfect for street rods, tuner cars, and mild street strip applications.

Easy to install, affordable, and reliable. Upgrade your transmission with confidence.

Pros Cons
  • High-quality clutches and gaskets for a reliable rebuild.
  • USA-made Raybestos clutches ensure top performance.
  • Enhanced holding capacity for heavy-duty applications.
  • Affordable solution for performance upgrades.
  • Not for extreme racing, better for mild performance upgrades.
  • Limited to Stage-1, may not suit high-demand applications.
  • No tools included, requires additional purchases for installation.

Perfect For:

This TH350 Turbo 350 Transmission Raybestos Stage 1 Master Rebuild Kit is perfect for car enthusiasts who want reliable performance. It’s great for street rods, tuner cars, and mild street strip applications, as well as heavy-duty towing needs.

Ready to Purchase?

Buying Guide

Rebuilding a TH-350 transmission is easier with the right kit. Choose quality parts to save time and drive with confidence. Our guide helps you find the perfect match for your needs.

Engaging Experience:
Rebuilding your transmission can feel like a big task, but with the right kit, it’s simpler than you think. Whether you’re fixing leaks or boosting performance, the best transmission rebuild kit makes all the difference. Our guide highlights top kits that fit your needs perfectly, so you can get back on the road smoothly.

Factors to Consider When Buying:
Compatibility: Ensure the kit fits your TH-350 transmission model and year. Check for specific details like spline count or lockup type.
Quality of Parts: Look for high-quality clutches, seals, and gaskets from trusted brands like Raybestos or Alto.
Purpose: Decide if you need a kit for daily driving, towing, or performance. Some kits handle heat and heavy use better.
Completeness: Choose a kit with everything you need, including friction plates, filters, and seals, to avoid missing parts.
Ease of Installation: Opt for kits with clear instructions or easy-to-install components to save time and effort.
Price: Balance cost with quality. Affordable kits are great, but don’t compromise on reliability.
Warranty: Look for kits with a warranty for added peace of mind and protection.