66RFE

103660120T

StreetMonster Dodge 66RFE Transmission & Torque Converter

$6,799.00 USD

$7,157.00 USD
SALE 5% OFF
50805635023157
CD103660120T
Requires $3,500.00 USD Core Fee
LOW STOCK ONLY 5 AVAILABLE
water drops

FREE SHIPPING

IF BUNDLED WITH FLUID and EXTEND! Covers One Way Only

PRODUCT OPTIONS
Questions? Call Us 800-708-0087
Features
  • Cooler Bypass Valve Included: Ensures optimal cooling performance by maintaining proper fluid flow, reducing the risk of overheating.
  • All New Solenoid Packs: Provides precise pressure control for smoother, more reliable shifting and extended transmission life.
  • Upgraded TCC Limit Valve: Prevents torque converter clutch (TCC) failure, improving reliability and performance under heavy use.
  • New Drain Back Valve: Addresses delayed engagement issues, ensuring quicker response and smoother operation.
  • Heavy-Duty Torque Converter: Delivers improved torque handling, smoother engagement, and increased durability for towing and demanding applications.
  • PREVENT TRANSMISSION FAILURE: Watch our step-by-step installation video https://monstertransmission.com/pages/how-to-properly-install-a-transmission
ABOUT THIS PRODUCT

Power through the toughest jobs with the StreetMonster 66RFE transmission, a 6-speed automatic built to dominate heavy-duty trucks and high-torque diesel engines. Designed for strength, durability, and smooth performance, the 66RFE is your ultimate partner for towing, hauling, and everyday driving.

Perfect for beasts like the Ram 2500 and 3500, this transmission strikes the ideal balance between raw power and fuel efficiency. Its wide gear ratios deliver powerful acceleration when you need it and improved fuel economy on the open road. Reinforced internal components handle extreme loads with ease, while advanced electronic controls ensure seamless, precise shifting in any condition. With the 66RFE, your truck is ready to take on whatever you throw at it.

FLUID AMOUNT

  • 12 Quarts Of ATF+4 Full Synthetic

INSTALL TIME

  • 9 Hours

WARRANTY

Note

  • 2 Year Warranty Unlimited Miles
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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 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: 1 Year (Extendable to 4 Years with Extend)
  • StreetMonster: 2 Years (Extendable to 5 Years with Extend)
  • SportMonster: 3 Years (Extendable to 6 Years with Extend)
  • TrackMonster: 1 Year (Extendable to 4 Years with Extend)

Extend warranties are optional add-ons available during checkout.

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.