SportMonster Chevy TH400 Transmission & Torque Converter

TH400

20240022LS

SportMonster Chevy TH400 Transmission & Torque Converter

Name: SportMonster Chevy TH400 Transmission & Torque Converter
Brand: 20240022LS
SKU: shopify_US_9897905684789_50302121967925
Price: 3048.00 USD
Availability: InStock

$3,048.00 USD

$3,209.00 USD

SALE 5% OFF

Requires $600.00 USD Core Fee

HIGH DEMAND!

ORDER NOW AND WE'LL

PRIORITIZE YOUR SHIPMENT

$99 SHIPPING

IF BUNDLED WITH FLUID! Covers One Way Only

PRODUCT OPTIONS

Questions? Call Us 800-708-0087

VIEW FAQs

Features

Master Overhaul Kit: Comprehensive rebuild kit ensures the transmission is restored to like-new performance and reliability for long-term use.
Shift Correction Kit: Enhances shift quality, timing, and responsiveness, delivering smoother and more precise shifts.
New Pump Components: Provides consistent fluid pressure for reliable operation and extended durability.
New Modulator: Ensures accurate shift control, improving drivability and efficiency.
Teflon Sealing Ring Kit: Reduces leaks and improves sealing for enhanced reliability and long-term performance.
New Separator Plate: Optimizes fluid flow for consistent, smooth shifts and increased durability.
New Manual Shift Shaft: Ensures precise manual shifting and long-lasting performance.
Stage-1 Clutches: High-performance clutches provide superior torque-handling and durability for heavy-duty or performance applications.
Kolene Steels: Heat-treated steel plates resist wear and improve friction consistency, extending transmission life.
Chrome Pan: Adds durability and style, with corrosion resistance and easier maintenance.
PREVENT TRANSMISSION FAILURE: Watch our step-by-step installation video https://monstertransmission.com/pages/how-to-properly-install-a-transmission

ABOUT THIS PRODUCT

Harness unstoppable power with a SportMonster TH400 transmission—a 3-speed automatic built to handle extreme torque and heavy-duty applications. Known for its bulletproof durability, the SportMonsterTH400 is the ultimate choice for muscle cars, trucks, and high-performance builds. Engineered with reinforced internals and precision components, this transmission delivers smooth shifts and unmatched strength, making it a favorite for racing, towing, and off-road domination.

FLUID AMOUNT

11 Quarts Of Dexron VI Full Synthetic

INSTALL TIME

7 Hours

WARRANTY

Note

3 Year Warranty Unlimited Miles

NOTE

All 2WD TH400 transmissions will be assembled with a 4-inch output shaft.
All 4WD TH400 transmissions will be assembled with a 2.5-inch output shaft.

Videos

Frequently Asked

When Will My Transmission Ship?

In-stock transmissions usually ship the next business day.

Custom builds or out-of-stock units typically ship within 2–4 weeks.

Need it sooner? Call us — we can often make special arrangements.

What Is the Warranty?

We offer the most comprehensive coverage in the industry:

StockMonster: 4 Year (1 Year Manufacture, 3 Years from Extend)
StreetMonster: 5 Years (2 Year Manufacture, 3 Years from Extend)
SportMonster: 6 Years (3 Year Manufacture, 3 Years from Extend)
TrackMonster: 4 Year (2 Year Manufacture, 3 Years from Extend)

Extend warranties are included on all Transmission Purchases read more HERE.

Is Shipping Cheaper if I Use a Commercial Address?

No — we offer a $299 Flat-Rate One-Way Shipping to any address, commercial or residential.

If you find a better rate, you're welcome to arrange your own shipping.

Does this Transmission include Fluid?

No — fluid must be purchased separately. We offer special discounted prices and even cheaper shipping options when you bundle with our fluid at checkout.

How do I Return my Old Transmission Core?

Returning your core is simple. Once you are ready to return your core, you can initiate the return process in one of two ways:

Fill out our Core Return Form (available online) using the button below.
Or call our Customer Service Team at 800-708-0087 to schedule your return freight pickup.

Please Note:

The customer is responsible for the return shipping cost.
A flat-rate fee of $299 will be deducted from your core refund to cover return freight and handling. If Round Trip Shipping is not Prepaid Upfront.
The core must be the same model and not cracked or damaged beyond rebuild.

Our goal is to make this process as seamless as possible — if you have questions about your core return, just give us a call.

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