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IF BUNDLED WITH FLUID and EXTEND! Covers One Way Only
Take on the most demanding challenges with the SportMonster 4R100 transmission—a 4-speed automatic powerhouse built for heavy-duty trucks and high-performance vehicles. Engineered to handle up to 900 lb-ft of torque, the SportMonster 4R100 is the ultimate choice for towing, hauling, and high-stress applications. Designed for Ford Super Duty models and vehicles with diesel or high-output gas engines, this transmission delivers smooth, reliable shifts and exceptional power under extreme loads.
Built tough, the SportMonster 4R100 features reinforced internals for maximum durability, an overdrive gear for improved fuel efficiency, and a heavy-duty torque converter for consistent and seamless power delivery. The SportMonster 4R100 is ready to perform when you need strength and reliability.
Note
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.
We offer the most comprehensive coverage in the industry:
Extend warranties are optional add-ons available during checkout.
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.
No — fluid must be purchased separately. We offer special discounted prices and even cheaper shipping options when you bundle with our fluid at checkout.
Returning your core is simple. Once you are ready to return your core, you can initiate the return process in one of two ways:
Please Note:
Our goal is to make this process as seamless as possible — if you have questions about your core return, just give us a call.