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Unlock the next level of capability with Monster’s 10L80 transmission, a modern 10-speed automatic transmission built for strength, precision, and long-term durability in today’s GM trucks and SUVs. This remanufactured 10L80 comes ready with a fully remanufactured torque converter included, plus key internal upgrades designed to protect your build under load.
Inside, we install revised feed limit valves to help prevent burnt clutches and premature transmission failure, improving hydraulic control for smooth shifting and consistent line pressure. Every unit is finished with a complete overhaul kit—all critical wear components replaced to restore like-new performance, delivering the confident upgrade you want for dependable power transfer, daily driving, towing, and long-haul reliability.
Note
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.
We offer the most comprehensive coverage in the industry:
Extend warranties are included on all Transmission Purchases read more HERE.
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.
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 your old transmission is ready for pickup, you can start the return process online or call our Customer Service Team.
Please Note:
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