Sale

Drivetrain› Automatic Transmissions and Components

Sun Coast Converters

Suncoast GM-105X-3D $2000 Core Charge Applies

$2,295.00 $2,226.15 Save $68.85

SKU: S02K 10L1000-XD-3D

In Stock
In Stock
Ships by Jun 8
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The SunCoast 10L1000 Extreme Duty Triple Disc Billet Torque Converter is an upgrade for Allison 10L1000 10-speed transmissions. It features CNC'd billet components, furnace-brazed and Tig welded fins, and a 4140 HTSR billet hub, providing 33% more apply area and higher friction clutch paper for improved durability and performance. This converter is hand assembled in the USA and is available with various stall speed options.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandSun Coast Converters
Part NumberS02K 10L1000-XD-3D

Videos

SunCoast 10L1000 Valve Body Install! | Huge Allison 10L1000 Reliability Improvement!

SunCoast 10L1000 Valve Body Install! | Huge Allison 10L1000 Reliability Improvement!
Time To Start Bulletproofing My Allison 10L1000 Transmission On My 2024 GMC Sierra 2500 Duramax!

Time To Start Bulletproofing My Allison 10L1000 Transmission On My 2024 GMC Sierra 2500 Duramax!
10-Speed Transmissions: Pros, Cons & How Suncoast Solved the Problems! #transmission #diesel #fyp

10-Speed Transmissions: Pros, Cons & How Suncoast Solved the Problems! #transmission #diesel #fyp
GM Allison 10 Speed 10L1000 Failures and Fixes.

GM Allison 10 Speed 10L1000 Failures and Fixes.
It's True! The GM 10L1000 Allison Transmissions Are Having Major Issues!

It's True! The GM 10L1000 Allison Transmissions Are Having Major Issues!
How to Upgrade Your GM Allison 10L1000 with the PPE Deep Transmission Pan | Duramax Tutorial

How to Upgrade Your GM Allison 10L1000 with the PPE Deep Transmission Pan | Duramax Tutorial
10-Speed Allison Transmission 101

10-Speed Allison Transmission 101

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy