SKU: SUNGMAX-CAT0-LB7/LLY-KIT-LC

Category 0 Allison Refresh Kit with outut Converter

3 in stock and ready for shipping
Confirmed fitment below
YEARS
2001-2005
MAKE / MODEL
GM/Chevrolet/GMC / Silverado/Sierra
SERIES
2500HD/3500HD
ENGINE
6.6L Duramax LB7/6.6L Duramax LLY
Price
$1,547.15
or
American Express
Apple Pay
Diners Club
Discover
Google Pay
Mastercard
PayPal
Shop Pay
Visa
Free Shipping
ORDERS $70+
Easy Returns
HASSLE-FREE
Earn Rewards
ALLIGATOR POINTS
Not sure this fits your build?
Our diesel experts know these trucks. Call or chat before you buy.
1-208-719-7400

PRODUCT DETAIL

Key Features & Description

Features:
  • SunCoast custom clutch packs
  • SunCoast custom Steels
  • Spin on filter
  • Shallow or Deep Pan Filter
  • Gasket Kit
LB7/LLY 5-SPEED CATEGORY O SUNCOAST BASE REFRESH KIT | CLUTCHES AND STEELS ONLY

THIS KIT IS MEANT TO REFRESH A SUNCOAST CATEGORY KIT

The SunCoast Category kits utilize the latest proven friction materials and steel technology from industry leading companies such as Alto and Raybestos. SunCoast works directly with these companies to design and manufacture proprietary SunCoast exclusive product lines, giving the end user uncompromised quality throughout the entire transmission.Ā 
Ā 
SunCoast has designed these kits in house to exact specifications for many in tents, including but not limited to towing, sled pulling, racing or simply having a vehicle to get from point A to point B.
Designed for light commercial vehicles in both on highway and public transport applications, Allison Transmission's 1000 and 2000 Series are rated up to 400 horsepower from the factory. Allison 5-speed transmission started in 2001 with GM equipped Duramax engines.

Kit Exclusives:

SunCoast proprietary C1, C2, C3, and C4 Alto carbonite frictions/Raybestos SCZ frictions that contain no center slots. These frictions utilize a waffle pattern in the material to help retain oil helping the clutch cool when not applied.
C5 clutches are not included but can be added to your kit upon request.
SunCoast Allison series rebuild kits cover all years from 2001-2015 (kit part number dependent upon year). These kits utilize the latest proven friction materials and steel technology from industry leading companies such as Alto and Raybestos. SunCoast works directly with these companies to design and manufacture proprietary SunCoast exclusive product lines, giving the end user uncompromised quality throughout the entire transmission. SunCoast has designed these kits in house to exact specifications for many in tents, including but not limited to towing, sled pulling, racing or simply having a vehicle to get from point A to point B. Not included in this kit but highly recommended by SunCoast is a complete line of billet triple disc torque converters ranging from 1800 stall to approximately 3000 RPM (manufactured in house), 300M billet shaft options, custom valve body options ranging from 5-6 speed conversions and trans brake SFI approved billet steel and aluminum flex-plates, SFI approved transmission jackets and much more.

Designed for light commercial vehicles in both on-highway and public transport applications, Allison Transmissions 1000 and 2000 Series are rated up to a maximum of 224 kW (300 hp) and have up to six speeds available, including two overdrives. Both close and wide ratio gearing are offered.

FITMENT GUIDE

Exact Fitment — Verify Your Year

Year RangesYears
Make
Model
Series
Engine
2001-2005
GM/Chevrolet/GMC
Silverado/Sierra
2500HD/3500HD
6.6L Duramax LB7/6.6L Duramax LLY

CUSTOMER REVIEWS

What Buyers Say

Call a Diesel Expert, we'll find the right fit for your build

Not sure this part is right for your truck? Our team knows these platforms inside out. No hold music, no scripts.

Chat with Us