Looking for the best Chevy 383 400 transmission parts to boost your engine’s power and reliability?
We offer durable, high-performance parts designed to fit perfectly and deliver a stronger, smoother driving experience every time.
Discover the best Chevy 383 400 transmission parts designed to boost your engine’s power and reliability. These parts are built tough to handle high performance and keep your ride smooth.
You want parts that last. You want parts that fit right. You want parts that work every time. This guide will help you find the perfect match for your Chevy 383 or 400 engine. Get ready to upgrade with confidence and enjoy a stronger, smoother drive.
List of Top 10 Chevy 383 400 Transmission Parts
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Z Whip TH350 Turbo 350 Detent Cable Kick Down Cable Billet Aluminum Plug Compatible with Chevy GMC TH350 Transmission SBC 350 327 283 383 307 305 400 454 Proudly Made In The USA |
This Z Whip TH350 Turbo 350 Detent Cable Kick Down Cable Billet Aluminum Plug is perfect for car enthusiasts who want to upgrade their GM Turbo 350 Transmission. It’s ideal for those using a manual valve body or not needing a kick down. Made in the USA with top-quality materials, it’s built to last. |
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Automatic Transmission 168 tooth Flexplate+ HP bolts compatible with Chevy 383 400 External Balanced (Flywheel + Bolts) |
This Automatic Transmission 168 tooth Flexplate + HP bolts is perfect for anyone working on a Chevy 383 or 400 engine. It fits those who need a strong, reliable flywheel with an external balanced engine. If you want a part that replaces OEM 343738 and has a 2-piece rear main seal, this is the right choice. |
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ICT Billet Billet Aluminum TH400 Speedometer Plug Turbo 400 Chevy Transmission SBC 305 327 350 383 5.0L 5.7L V8 Designed and Manufactured in The USA Bare Aluminum 551908 |
This plug is perfect for anyone with a TH400 transmission who does not need a speed sensor. It works great if you use a GPS speedometer. Made from strong, lightweight aluminum right here in the USA, it fits Chevy engines like the SBC 305, 327, 350, and 383. If you want a durable, easy-to-install part, this is the one for you. |
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Steel Turbo TH‑400 Transmission Pan Fits Chevy/GM TH‑400 – Stock Capacity – Black |
This Steel Turbo TH‑400 Transmission Pan is perfect for Chevy/GM owners who want a reliable and stylish upgrade. It’s easy to maintain and keeps your transmission cool and protected. |
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Compatible/Replacement for CHEVY/GM TURBO TH-400 STEEL TRANSMISSION PAN (DEEP SUMP) – BLACK |
This product is perfect for car enthusiasts and DIY mechanics upgrading or repairing CHEVY/GM Turbo TH-400 transmissions. It boosts performance with a deep sump design and finned cooling for longer transmission life. |
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Steel Turbo TH‑400 Transmission Pan Fits Chevy/GM TH‑400 – Stock Capacity – Zinc‑Plated Finish |
This Steel Turbo TH‑400 Transmission Pan is perfect for Chevy/GM owners who want reliable performance and easy maintenance. It’s ideal for those who value strength, corrosion resistance, and cooling efficiency in their transmission system. |
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ICT Billet TH400 Electrical Connector Plug Case Connector Kickdown Plug Turbo 400 Chevy Transmission SBC 305 327 350 383 5.0L 5.7L V8 Designed and Manufactured in the USA 551909 |
This product is perfect for car enthusiasts and mechanics who work on manual valve body transmissions. It is ideal for those who want a durable, easy-to-use plug made from high-quality, USA-made billet aluminum. If you need a reliable solution without an electrical plug for your Turbo 400 Chevy Transmission, this is the smart choice. |
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2Pcs SBC BBC LS LT Bellhousing Alignment Dowel Pins Replacement for Chevy LS LT Small Big Block V8 Engine to Transmission 305 327 350 383 400 427 396 454 502 4.3L 4.8L 5.3L 6.0L LS1 LS3 |
This product is perfect for Chevy engine builders and mechanics who need precise alignment for Small and Big Block V8 engines. It’s ideal for anyone working on Chevrolet LS and LT series engines from 1997 and up, ensuring a strong, durable fit every time. If you want easy installation and long-lasting performance, these dowel pins are made just for you. |
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2Pcs SBC BBC LS LT Bellhousing Alignment Dowel Pins Replace for Chevy LS LT Small Big Block V8 Engine to Transmission 305 327 350 383 400 427 396 454 502 4.3L 4.8L 5.3L 6.0L LS1 LS3 Extended Length |
Perfect for car enthusiasts and mechanics, these bellhousing alignment dowel pins are ideal for anyone working on Chevy LS or LT engines. They fit small and big block V8 engines, making them a must-have for engine swaps or repairs. |
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ICT Billet TH350 TH400 PAN BOLT SET Transmission Chevy Kit 13pc Standard Thread 305 327 350 383 5.0L 5.7L V8 Compatible With Chevrolet Truck Car 551689 |
This bolt set is perfect for car owners who need strong, reliable parts for their Chevrolet trucks or cars. It’s great for TH350 or TH400 transmissions and works with engines like 305, 327, 350, 383, 5.0L, and 5.7L V8. |
Detailed Reviews
Discover the top 10 Chevy 383 400 Transmission Parts, handpicked for performance and durability. From aerospace-grade billet aluminum plugs to heavy-duty steel pans, these parts are built to last. Find the perfect upgrade for your Chevy and boost your transmission’s reliability today.
1. Z Whip TH350 Turbo 350 Detent Cable Kick Down Cable Billet Aluminum Plug Compatible with Chevy GMC TH350 Transmission SBC 350 327 283 383 307 305 400 454 Proudly Made In The USA
This Z Whip TH350 Turbo 350 Detent Cable Plug stops the kickdown cable from leaking or causing issues. It fits all GM Turbo 350 transmissions. Made from aerospace-grade billet aluminum, it’s built to last.
The plug is perfect for custom builds or when using a manual valve body. It replaces the kickdown cable setup with a simple, secure solution. Every part meets strict aerospace standards for safety and reliability.
Proudly made in the USA, this plug blends top-tier quality with practical design. It works with Chevy and GMC engines like the SBC 350, 327, and 454. Trust Z Whip for durable parts that perform under pressure.
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Perfect For:
This Z Whip TH350 Turbo 350 Detent Cable Kick Down Cable Billet Aluminum Plug is perfect for car enthusiasts who want to upgrade their GM Turbo 350 Transmission. It’s ideal for those using a manual valve body or not needing a kick down. Made in the USA with top-quality materials, it’s built to last.
Ready to Purchase?
2. Automatic Transmission 168 tooth Flexplate+ HP bolts compatible with Chevy 383 400 External Balanced (Flywheel + Bolts)
This automatic transmission flexplate is a perfect fit for your Chevy 383 or 400 engine. It comes with high-performance bolts for a secure installation.
The 168-tooth ring gear is NON SFI rated, making it ideal for external balanced engines. It has a 2-piece rear main seal style for added durability. This flexplate is designed to replace OEM Part 343738.
With its precise engineering, this flexplate ensures smooth and reliable performance. The included HP bolts provide extra strength for high-performance applications. Upgrade your engine with this high-quality flexplate and experience improved efficiency.
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Perfect For:
This Automatic Transmission 168 tooth Flexplate + HP bolts is perfect for anyone working on a Chevy 383 or 400 engine. It fits those who need a strong, reliable flywheel with an external balanced engine. If you want a part that replaces OEM 343738 and has a 2-piece rear main seal, this is the right choice.
Ready to Purchase?
3. ICT Billet Billet Aluminum TH400 Speedometer Plug Turbo 400 Chevy Transmission SBC 305 327 350 383 5.0L 5.7L V8 Designed and Manufactured in The USA Bare Aluminum 551908
The ICT Billet Aluminum TH400 Speedometer Plug is built for vehicles without a speed sensor. It fits perfectly on TH400 transmissions. This plug works great with GPS speedometers.
It is made in Wichita, Kansas. The material is strong, aerospace-grade billet aluminum made in the USA.
The package includes the plug, bolt, and o-rings. This ensures a secure and easy fit every time.
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Perfect For:
This plug is perfect for anyone with a TH400 transmission who does not need a speed sensor. It works great if you use a GPS speedometer. Made from strong, lightweight aluminum right here in the USA, it fits Chevy engines like the SBC 305, 327, 350, and 383. If you want a durable, easy-to-install part, this is the one for you.
Ready to Purchase?
4. Steel Turbo TH‑400 Transmission Pan Fits Chevy/GM TH‑400 – Stock Capacity – Black
Upgrade your Chevy or GM Turbo TH-400 transmission with the Steel Turbo TH-400 Transmission Pan. It’s made from heavy-duty stamped steel for strength and long life.
The pan has a black powder-coated finish that resists rust and looks sharp. It fits perfectly and keeps the stock fluid capacity. The pre-installed drain plug makes oil changes quick and clean.
Its finned design helps keep your transmission cool. The stamped “400 Turbo” logo adds a bold style. Plus, the pan has a standard 1-7/8″ depth for easy installation.
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Perfect For:
This Steel Turbo TH‑400 Transmission Pan is perfect for Chevy/GM owners who want a reliable and stylish upgrade. It’s easy to maintain and keeps your transmission cool and protected.
Ready to Purchase?
5. Compatible/Replacement for CHEVY/GM TURBO TH-400 STEEL TRANSMISSION PAN (DEEP SUMP) – BLACK
This Black Steel Deep Sump Turbo TH-400 Transmission Pan fits CHEVY/GM vehicles. It has a Finned Design for style and strength. A bold logo adds a clean, sharp look.
The Durable Black Powder-Coated Finish resists rust and wear. A Pre-installed Drain Plug makes setup quick and simple.
The Deep Sump Design holds more fluid to boost cooling. Fins help release heat faster during use. This pan boosts Transmission Longevity in tough conditions.
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Perfect For:
This product is perfect for car enthusiasts and DIY mechanics upgrading or repairing CHEVY/GM Turbo TH-400 transmissions. It boosts performance with a deep sump design and finned cooling for longer transmission life.
Ready to Purchase?
6. Steel Turbo TH‑400 Transmission Pan Fits Chevy/GM TH‑400 – Stock Capacity – Zinc‑Plated Finish
This pan fits Chevy/GM Turbo TH-400 transmissions. It’s built from heavy-duty steel for lasting use. The zinc-plated finish resists rust and wear.
Finned design boosts cooling while adding style. A pre-installed drain plug simplifies oil changes.
Maintains stock fluid capacity and depth of 1-7/8″. Durable construction ensures reliability. Easy maintenance with a sturdy, leak-proof design.
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Perfect For:
This Steel Turbo TH‑400 Transmission Pan is perfect for Chevy/GM owners who want reliable performance and easy maintenance. It’s ideal for those who value strength, corrosion resistance, and cooling efficiency in their transmission system.
Ready to Purchase?
7. ICT Billet TH400 Electrical Connector Plug Case Connector Kickdown Plug Turbo 400 Chevy Transmission SBC 305 327 350 383 5.0L 5.7L V8 Designed and Manufactured in the USA 551909
This Kickdown Plug fits TH400 Chevy transmissions. It’s for manual valve body setups where the electrical kickdown isn’t used. Made from aerospace-grade billet aluminum in the USA, it’s durable and corrosion-resistant.
The self-locking design stays secure without clamps. Includes o-rings for a tight, leak-free seal.
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Perfect For:
This product is perfect for car enthusiasts and mechanics who work on manual valve body transmissions. It is ideal for those who want a durable, easy-to-use plug made from high-quality, USA-made billet aluminum. If you need a reliable solution without an electrical plug for your Turbo 400 Chevy Transmission, this is the smart choice.
Ready to Purchase?
8. 2Pcs SBC BBC LS LT Bellhousing Alignment Dowel Pins Replacement for Chevy LS LT Small Big Block V8 Engine to Transmission 305 327 350 383 400 427 396 454 502 4.3L 4.8L 5.3L 6.0L LS1 LS3
Align your engine and transmission perfectly with these 2Pcs SBC BBC LS LT Bellhousing Alignment Dowel Pins. They fit Chevy LS LT Small and Big Block V8 Engines, ensuring a smooth and reliable connection. These pins are easy to install and work with a wide range of engines.
Made from high-quality stainless iron, these dowel pins offer excellent strength and corrosion resistance. Each package includes 2 pins, ready to enhance your engine’s performance and durability.
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Perfect For:
This product is perfect for Chevy engine builders and mechanics who need precise alignment for Small and Big Block V8 engines. It’s ideal for anyone working on Chevrolet LS and LT series engines from 1997 and up, ensuring a strong, durable fit every time. If you want easy installation and long-lasting performance, these dowel pins are made just for you.
Ready to Purchase?
9. 2Pcs SBC BBC LS LT Bellhousing Alignment Dowel Pins Replace for Chevy LS LT Small Big Block V8 Engine to Transmission 305 327 350 383 400 427 396 454 502 4.3L 4.8L 5.3L 6.0L LS1 LS3 Extended Length
These bellhousing alignment dowel pins are perfect for Chevy engines. They fit small and big block V8 engines like the 350, 454, and LS series. The extended length ensures a precise fit.
Made from high-quality stainless iron, these pins are strong and rust-resistant. They handle tough engine conditions with ease.
The package includes 2 pins, ready for your transmission project. They work with LS, LT, and older Chevy engines. A reliable choice for your build.
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Perfect For:
Perfect for car enthusiasts and mechanics, these bellhousing alignment dowel pins are ideal for anyone working on Chevy LS or LT engines. They fit small and big block V8 engines, making them a must-have for engine swaps or repairs.
Ready to Purchase?
10. ICT Billet TH350 TH400 PAN BOLT SET Transmission Chevy Kit 13pc Standard Thread 305 327 350 383 5.0L 5.7L V8 Compatible With Chevrolet Truck Car 551689
Upgrade your transmission with the ICT Billet TH350 TH400 Pan Bolt Set. This 13-piece kit is designed for Chevy V8 engines. It fits 305, 327, 350, 383, 5.0L, and 5.7L models.
These grade 10.9 bolts are heavy-duty and high-strength. They work with TH350 or TH400 transmissions. The zinc coating protects against rust and seizing.
No washers needed with these flanged JIS bolts. The set includes 13 bolts for a complete installation. Perfect for Chevy trucks and cars.
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Perfect For:
This bolt set is perfect for car owners who need strong, reliable parts for their Chevrolet trucks or cars. It’s great for TH350 or TH400 transmissions and works with engines like 305, 327, 350, 383, 5.0L, and 5.7L V8.
Ready to Purchase?
Buying Guide
Looking for the best Chevy 383 or 400 transmission parts? You want parts that last and fit perfectly. Upgrading your transmission can make your drive smoother and more powerful.
Here’s what to consider when buying:
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Quality of Material: Choose parts made from strong materials like aerospace-grade billet aluminum or heavy-duty steel. These last longer and handle high performance better.
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Compatibility: Make sure the parts fit your specific Chevy 383 or 400 engine and transmission model. Check if they work with TH350 or TH400 transmissions, or if they suit external balanced engines.
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Durability: Look for parts with corrosion resistance and tough finishes like powder coating or zinc plating. This keeps parts working well in tough conditions.
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Design Features: Some parts have special designs like finned pans for better cooling or self-locking plugs for secure fits. These features improve performance and ease of use.
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Installation Ease: Parts that come with bolts, o-rings, or are designed for easy installation save you time and hassle.
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Performance Rating: Check if parts are rated for high performance or specific engine balances. For example, flexplates with 168-tooth ring gears for external balanced engines.
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Made in the USA: Parts made domestically often meet strict quality standards and support local manufacturing.
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Complete Kits: Consider buying kits that include all necessary bolts and hardware for a full upgrade, ensuring everything fits and works together.
Choosing the right transmission parts for your Chevy 383 or 400 engine means better power, reliability, and a smoother ride. Keep these factors in mind to upgrade with confidence.