4L85E

102485342K

TrackMonster Chevy 4L85E Transmission and Torque Converter 4WD

$6,099.00 USD

50801919263029
CD102485320H
Requires $650.00 USD Core Fee
HIGH DEMAND!

ORDER NOW AND WE'LL

PRIORITIZE YOUR SHIPMENT

PRODUCT OPTIONS
Recommended Add-Ons
Add ATF and an external cooler for safer temps under load.
$6,099.00 USD
HIGH DEMAND — ORDER TO PRIORITIZE YOUR SHIPMENT
Questions? Call Us 800-708-0087
Features
  • Master Overhaul Kit: Complete rebuild kit ensures long-lasting performance and reliability for demanding applications.
  • All New Electronics: Modern components provide precise shifting and improved compatibility with today’s driving needs.
  • New Reverse Drum: Reinforced for enhanced durability and smooth reverse gear operation.
  • Increased 3-4 Clutch Capacity: Enhanced clutch durability and torque-handling for improved performance in high-stress conditions.
  • Shift Improvement Kit: Delivers crisp, precise shifts while minimizing wear on internal components.
  • Race Clutches: High-performance clutches handle increased torque and extend transmission life.
  • Kolene Steels: Heat-treated steels resist wear and improve friction for consistent and reliable operation.
  • Smart Tech Input Drum: Reinforced design increases clutch capacity and eliminates common failure points for long-term reliability.
  • Billet Input Shaft: High-strength construction handles extreme torque loads for heavy-duty applications.
ABOUT THIS PRODUCT

Take your vehicle to the extreme with the TrackMonster 4L85E transmission—designed for those who crave performance on the strip or the track. Built with robust internals, this 4-speed automatic exceeds the limits of all other 4L85Es, handling more horsepower and torque for high-powered, adrenaline-filled driving. Featuring a tow-and-go shift kit, upgraded pump, and heavy-duty torque converter, the TrackMonster is built for lightning-fast, responsive shifts and unbeatable durability. Whether dominating the track or pushing limits on the road, this 4L85E delivers the power you need to win.

FLUID AMOUNT

  • 13.5 Quarts Of Dexron VI Full Synthetic

INSTALL TIME

  • 9 Hours

WARRANTY

Note

  • 1 Year Warranty Unlimited Miles

NOTE

  • While some 4L80 transmissions were available with a brake drum option, Monster Transmission does not build or supply brake drum equipped units
Customer Reviews

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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 4–6 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:

  • RoadReady: up to 6 Years (3 Year Manufacture, optional 2 or 3 Years from Extend)
  • StockMonster: up to 4 Years (1 Year Manufacture, optional 2 or 3 Years from Extend)
  • StreetMonster: up to 5 Years (2 Year Manufacture, optional 2 or 3 Years from Extend)
  • SportMonster: 6 Years (3 Year Manufacture, 3 Years from Extend included)
  • TrackMonster: 1 Year (1 Year Manufacture, Extend not available)

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

Is Shipping Cheaper if I Use a Commercial Address?

No — we offer a $364 Flat-Rate One-Way Shipping to any Address.

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 your old transmission is ready for pickup, you can start the return process online or call our Customer Service Team.

  • Use our Core Return Form to submit your pickup request.
  • Or call 800-708-0087 and our team can help schedule your return freight pickup.

Please Note:

  • The customer is responsible for return shipping.
  • A flat-rate fee of $364 will be deducted from your core refund to cover return freight and handling unless round-trip shipping was prepaid upfront.
  • The returned core must be the same model and not cracked or damaged beyond rebuild.

Our goal is to make this process as easy as possible. If you have questions about your core return, give us a call and we’ll help.

Start Core Return