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Description
SunCoast Category 4 700HP 48RE Transmission Rebuild Kit w/ Flex Plate 03-07 Dodge/Ram 5.9L CumminsSunCoast's Category 4 48RE rebuild kit includes everything necessary to build your 2003 2007 Dodge 48RE transmission well beyond the capability of the factory 48RE. This high performance rebuild kit is for customers seeking significant improvement over the stock transmission along with improvements to the band, band actuation, servos, accumulator piston, torque converter, input shaft, output shaft and forward drum. The addition of the billet
SunCoast's Category 4 48RE rebuild kit includes everything necessary to build your 2003-2007 Dodge 48RE transmission well beyond the capability of the factory 48RE. This high-performance rebuild kit is for customers seeking significant improvement over the stock transmission along with improvements to the band, band actuation, servos, accumulator piston, torque converter, input shaft, output shaft and forward drum. The addition of the billet intermediate servo, billet band anchor and billet band strut allow this kit to address the common deficiencies of the 48RE. SunCoast's kit also comes with a new billet blueprinted 4.4 band lever. A new thrust washer kit also contains selections for setting endplay. For the enthusiast seeking high-power performance, this is the kit to transfer all that muscle to the road.The Category 4 kit also includes SunCoast's one-piece billet 23-spline input shaft. The shaft is crafted from 300 maraging steel and is then heat treated and stress relieved to handle the additional demands of higher torque and stress loads. Fitment isn't an issue as the shaft is precision ground to make it a true drop-in replacement.
Included in the kit is also a band upgrade. While some other SunCoast kits include a Raybestos Pro Series carbon fiber flex band, in this kit they use a billet rigid band. This band is CNC machined from billet steel and then lined with carbon graphite lining to ensure unmatched performance even by other manufacturers.
SunCoast's Category 4 rebuild kit also includes upgrades to the flexplate. The factory 48RE flexplate is replaced with a SunCoast one-piece billet unit. The billet 48RE flexplate exceeds 29.3 SFI certification which is the standard for racing and sled pulling. The billet one-piece design is CNC machined from a single forging, and specific reliefs are machined out between the converter mounting area and the crank flange to enable minimal designed torsional flex.
SunCoast Category 4 rebuild kits replace the factory cast pistons with new billet apply pistons. The direct piston is also included with new custom calibrated springs while the forward piston is replaced with a new billet piece. These two improvements allow higher clamping forces without any deflection occurring. Giving a much more direct shift feel and eliminating potential cross leaks within the drum.
Another piece included in this kit is a full billet rear clutch retaining hub, made from 4140 heat-treated, stress-relieved billet steel versus the OE cast piece. The factory cast retainer is known to fail in high torsional fatigue situations such as higher line pressure, commercial use and heavy-duty towing and hauling. This new billet piece is stronger, more reliable and is the performance correction you've been looking for.
Lastly, a billet output shaft is added to the Category 4 kits. Designed for higher horsepower/torque engines, this performance product has been tested beyond 1,400lb-ft of torque. The shaft is machined from 300M material then heat treated for torsional strength and precision ground on all critical diameters.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 25 reviews
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Product Reviews
★★★★★ 5
Good Product, Fair Price
Color: Gold-aa
I bought this for my guest bathroom where I have some other brass items and it fits right in. Easy assembly with the supplied Allen wrench and bolt, and it comes with a cover for the bolt hole which perfectly matches the base padding material so the assembly point becomes invisible. It doesn’t have a ‘towel unroll preventer’ but I knew that when I evaluated the reasonable sale price and decided that wasn’t important for the intended use. The base is heavy and the assembled item seems very sturdy. I found it weird that this towel holder came with a plastic box containing a fork and a spoon as a ‘gift’ but this will go in my car camping cookware bag. I don’t know how the brass finish will hold up over time but for now I’m very pleased.
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Reviewed in the United States on November 17, 2025
★★★★★ 5
Fantastic paper towel holder!
Color: Sliver
Very sturdy, with a weighted bottom & it holds larger rolls. I put select-a-size triplet rolls on mine. It’s a nice looking one too. Compliments a stainless kitchen nicely.
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Reviewed in the United States on October 10, 2025
★★★★★ 5
Paper towel holder
Color: Gold-aa
A very nice product which matched my fixtures perfectly. It was well packaged and easy to assemble. Excellent value for the price.
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Beautiful gold finish
Color: Gold-aa
Perfect gold finish for our new condo kitchen.
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Reviewed in the United States on February 14, 2026
★★★★★ 4
Nice gold paper towel holder on a budget
Color: Gold-aa
For a less expensive option I was please with the assembly and the look. It did come a little scratched but mostly in hidden spots and for the price, can’t be beat. It is not super heavy feeling though, so if you want a really solid heavy holder this might disappoint, however I like that feature since I don’t want heavy things scratching and breaking my counter or tile floor. It doesn’t wobble and I like the color so I am mostly pleased, only giving it a little less of a review because it did come a little scratched
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Reviewed in the United States on June 1, 2026