Drivetrain› Automatic Transmissions and Components
Sun Coast Converters
ALLISON CAT 1 REBUILD KIT (WITHOUT CONVERTER)
SKU: S02K GMAX-CAT1-L5P-KIT-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-CAT1-L5P-KIT-LC |
Videos
SunCoast 10L1000 Valve Body Install! | Huge Allison 10L1000 Reliability Improvement!
10-Speed Transmissions: Pros, Cons & How Suncoast Solved the Problems! #transmission #diesel #fyp
Time To Start Bulletproofing My Allison 10L1000 Transmission On My 2024 GMC Sierra 2500 Duramax!
SunCoast 10L1000 High-Pressure Valve Body & Pump Kit! #duramax #silverado #sierra #transmission
SunCoast 10L1000 High-Pressure Valve Body Install! #duramax #silverado #sierra #transmission
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