Drivetrain› Automatic Transmissions and Components
Sun Coast Converters
ALLISON LLY GUARDIAN TOWING TRANSMISSION 2004-2005 4WD (WITHOUT CONVERTER) Core Charge of $2000 Applies Core Charge of $2000 Applies
SKU: S02K GMAX-LLY-GUARDIAN-0405-4WD-LC
Advanced — 4+ hours
Description
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
| Brand | Sun Coast Converters |
| Part Number | S02K GMAX-LLY-GUARDIAN-0405-4WD-LC |
Videos
WCFab 2001 - 2019 Duramax Allison Built Transmission Options
SunCoast 10L1000 Valve Body Install! | Huge Allison 10L1000 Reliability Improvement!
Duramax 2001 - 2005 Six Speed Conversion
DT550 Built Allison Transmission
Rebuilding My Duramax Allison Transmission With PPE! WHY!?
How to choose a Torque Converter
SunCoast Allison 1000 Trans- Brake Testing
Swapping the Allison with a Suncoast Duraflight 48re Transmission
Full Install Duramax Allison Transgo Jr Shift Kit Six Speed
10-Speed Transmissions: Pros, Cons & How Suncoast Solved the Problems! #transmission #diesel #fyp
Diesel Insights: Allison 1000 Transmission
PPE Heavy Duty Deep Allison Trans Pan Install: Chevy Duramax
Fleece - Allison Transmission Line Upgrade
A transmission built for 1,200 HP | BANKS BUILT Ep 10
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