1. Transmission Rebuild Kits Offers
  2. sku: 3299136872740893
  3. GT TRANSMISSIONS OPT-48RE-RB

GT TRANSMISSIONS OPT-48RE-RB Transmission Master Kit Sonnax Raybestos STAGE-1 Sure Cure Billet Converter

fits model: Cummins.

Opt-48re-rb Gt Transmissions 48re Master Kit Raybestos Stage-1 Sonnax Sure Cure Billet Converter Cummins

( Brand: Gt Transmissions ), ( Manufacturer Part Number: OPT-48RE-RB ), ( Type: Super Master Kit ), ( Oe/oem Part Number: Hdk225kls ), ( Manufacturer Warranty: 1 Month ), ( Fitment Type: Direct Replacement ), ( Items Included: Torque Converter Sure Cure Kit Overhaul Bands Filter ), ( Transmission Type: Automatic ), ( Country Of Origin: United States ), ( Performance Part: Yes )

Review GT TRANSMISSIONS 48re Master Kit Raybestos Stage-1 Sonnax Sure Cure Billet Converter fits CUMMINS

Introducing the Raybestos Stage-1 Sonnax Cummins GT Transmissions OPT-48RE-RB 48RE Master Kit, a high-performance solution for your Cummins transmission needs. This master kit is designed to deliver optimal power and durability, making it an ideal choice for those seeking to enhance their vehicle's performance.

At the heart of this master kit is the Sonnax Billet Converter, a precision-engineered component that addresses the weaknesses of the original equipment converter. The billet converter is CNC-machined from billet aluminum, ensuring superior strength and rigidity. Its unique design improves converter efficiency, reduces heat, and enhances torque capacity.

The Raybestos Stage-1 Sonnax Cummins 48RE Master Kit also includes the following high-quality components:

1. Opt-48RE-RB Transmission Rebuild Kit: This comprehensive rebuild kit contains all the necessary seals, gaskets, and hardware to completely rebuild your 48RE transmission. Each component is designed to meet or exceed OE specifications, ensuring reliable and long-lasting performance.

2. Sonnax Sure Cure Clutches: These high-performance clutches are designed to provide superior clutch friction and longevity. They are engineered to handle the increased power and torque demands of modern Cummins engines, ensuring smooth and reliable shifting.

3. Raybestos Filters: This master kit includes Raybestos transmission filters, which are designed to keep your transmission clean and free of contaminants. These filters are made from high-quality materials and are engineered to provide excellent filtration efficiency, ensuring optimal transmission performance.

4. Sonnax Valve Bodies: The valve bodies in this master kit are designed to improve shift quality and durability. They feature improved shift valve design and increased flow capacity, resulting in smoother and more precise shifts.

5. Sonnax Transmission Pan: This high-performance transmission pan is designed to provide superior cooling and protection for your transmission. It is made from heavy-duty aluminum and features a baffled design to ensure adequate oil circulation and cooling.

In summary, the Raybestos Stage-1 Sonnax Cummins GT Transmissions OPT-48RE-RB 48RE Master Kit is a comprehensive solution for those seeking to enhance the performance of their Cummins transmission. This master kit includes a Sonnax Billet Converter, Opt-48RE-RB Transmission Rebuild Kit, Sonnax Sure Cure Clutches, Raybestos Filters, and Sonnax Transmission Pan, all designed to deliver superior strength, durability, and performance. With this master kit, you can enjoy improved power, torque, and shift quality, making your Cummins vehicle truly stand out.

The GT1-300/48RE-RB transmission, along with the optional master kit, Sonnax Sure Cure billet converter, and Raybestos Stage 1 clutch kit, is a popular choice among Cummins diesel engine owners who want to upgrade their transmission for better performance and durability. Here are some pros and cons of purchasing this kit:

Pros:

1. Enhanced performance: This kit offers improved shifting, faster response time, and smoother operation compared to the stock transmission.

2. Increased torque capacity: The upgraded components in this kit can handle higher torque levels, allowing for more power output from the engine.

3. Improved durability: The billet converter, upgraded clutch kit, and stronger transmission components make this kit more resilient to wear and tear.

4. Better cooling: The master kit includes an oil cooler, which helps keep the transmission running cooler, preventing overheating and potential damage.

5. Easy installation: The kit comes with detailed instructions, and many components can be installed without requiring a transmission rebuild.

Cons:

1. Cost: This kit is a significant investment, with the price ranging from $4,000 to $6,000 or more, depending on the specific components and the labor costs for installation.

2. Complexity: Installing this kit requires a good understanding of transmission systems and the ability to perform intricate mechanical work.

3. Potential compatibility issues: Some users have reported compatibility issues with certain engine configurations or modifications, so it's essential to ensure that the kit is suitable for your specific setup.

4. Risk of damage during installation: Improper installation can result in costly repairs or even transmission failure.

Conclusion:

The GT1-300/48RE-RB transmission master kit with a Sonnax Sure Cure billet converter and Raybestos Stage 1 clutch kit offers significant performance improvements, increased durability, and torque capacity for Cummins diesel engines. However, its high cost, complex installation process, and potential compatibility issues may make it a less attractive option for some enthusiasts. Ultimately, the decision to purchase this kit depends on your specific goals, budget, and technical expertise.

Recommendation:

If you're serious about maximizing the performance and durability of your Cummins diesel engine, and you have the necessary mechanical skills and budget, then this kit could be an excellent investment. However, if you're unsure about the installation process or the compatibility of this kit with your specific setup, it may be worth considering a less complex upgrade or consulting with a professional transmission specialist.

Details:

El converted OEM no est, dies ado para builds Medicaids. The OEM converter is not rated, for modified or high-load Cummins builds. Worst case: exchange only. Art Colo installed con problems.

Cont stenos, de immediate sport conic primer. Installed item with an issue. Veronica la fetch, de fabrics n tu motor y c Diego de, transoms antes order. No, es un pack gen Rico.

This bundle does NOT fit the 6.7L Cummins. COMPLETE BUNDLE 8 COMPONENTS, 1 OVERHAUL KIT, Complete gaskets, seals, o-rings, snap rings, Brand: Toledo or Precision Intl. En el per Casio: solo SE accept combo. La mayor a de kits include Ina o Nina.

Photos are for reference only actual kit, contents and brands may vary slightly. Most kits include one or none. DODGE RAM 2500 / 3500 5.9L CUMMINS, 48RE TRANSMISSION, ULTIMATE MASTER REBUILD BUNDLE, 8 PREMIUM COMPONENTS COMPLETE REBUILD, RAYBESTOS STAGE-1 SONNAX SURE CURE, BILLET TORQUE CONVERTER INCLUDED, NEW AFTERMARKET 2004 UP, Verify your transmission 48RE and engine, 5.9L Cummins before purchasing. Art culls USDA's y pizzas de un solo USO NO, son eligible para devalues n.

Not a generic friction pack. Sonnax Sure Cure addresses factory, design weaknesses specific to the 48RE, that standard rebuild kits ignore, HD-2289-2 Billet Converter multi-plate, clutch billet cover for extreme diesel, torque. Sega n ambos, collided equiv. Las foots son solo de referential el contend, real del kit Purdue verier ligament.

part #: opt48re prices

  • $59.99-$145.00

specifications gearreb:

  • for models: Cummins
  • brand: Gt Transmissions
  • mpn: Opt-48re-rb
  • type: Super Master Kit
  • oe/oem part number: Hdk225kls
  • manufacturer warranty: 1 Month
  • fitment type: Direct Replacement
  • items included: Torque Converter Sure Cure Kit Overhaul Bands Filter
  • transmission type: Automatic
  • country of origin: United States
  • performance part: Yes

seller gearreb:

  • # reviews: 140
  • city: Miami, Florida
  • rating: 98.6%

offer gearreb:

  • started: June 9, 2026
  • quantity: 2
  • sold: 0
  • options: Ship-to-home
  • availability: In Stock

general gearreb:

  • Car Truck Parts Accessories > Transmission Drivetrain > Transmission Rebuild Kits
  • condition: New other see details

returns gearreb:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Seller

shipping gearreb:

  • transit: 3-8 Days
  • service: UPS Ground
  • cost: $0.00
  • class: Standard
  • type: Calculated
  • carrier: UPS

payments gearreb:

  • other
  • wallet: Google-pay
  • credit card: Visa
for models: cummins, type: super master kit, oe/oem part number: hdk225kls, manufacturer warranty: 1 month, fitment type: direct replacement, items included: torque converter sure cure kit overhaul bands filter, transmission type: automatic, country of origin: united states, performance part: yes,
category: auto parts > car truck parts accessories > transmission drivetrain > transmission rebuild kits, sku: 3299136872740893,

Gt Transmissions OPT-48RE Is Similar To:

gearreb logo
2 offers $59.99–$145.00 USD
  • Offer #1: $59.99 price + $0.00 shipping estimate = $59.99* total.FREE SHIPPING
  • Offer #2: $145.00 price + $6.95 shipping estimate = $151.95* total.+$6.95 shipping

Copyright © gearreb.com