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Description
SunCoast Category 3 600HP 48RE Transmission Rebuild Kit w/ Flex Plate 03-07 Dodge/Ram 5.9L CumminsSunCoast's Category 3 rebuild kit for the 48RE in 2003 2007 Dodge Diesels contain the essentials to rebuilding your transmission. This kit is recommended for customers seeking to build the stock 48RE with improvements made to the band, band actuation, servos, accumulator piston, torque converter and input shaft. With the addition of a billet intermediate servo, billet band anchor and billet band strut, this kit addresses commonly known shortcomings of
SunCoast's Category 3 rebuild kit for the 48RE in 2003-2007 Dodge Diesels contain the essentials to rebuilding your transmission. This kit is recommended for customers seeking to build the stock 48RE with improvements made to the band, band actuation, servos, accumulator piston, torque converter and input shaft. With the addition of a billet intermediate servo, billet band anchor and billet band strut, this kit addresses commonly known shortcomings of the 48RE transmission. Rated for 600HP, this kit also comes with a new billet blueprinted 4.4 band lever as well as a new thrust washer kit containing selections for setting endplay.
Another addition to this kit is SunCoast's billet one piece input shaft. The shaft is made from 300 maraging steel and is then heat treated and stress relieved to handle the demands of higher torque and stress loads from towing and street use. There's no need to worry about fitment either, as each shaft is precision ground to make it a true drop-in replacement.
The Category 3 48RE master rebuild kit also includes a band upgrade. SunCoast includes a substantial upgrade from the factory transmission by crossing over to a billet rigid band. The band is CNC machined from billet steel and then lined with carbon graphite lining to ensure unmatched performance over any manufacturer.
SunCoast Category 3 48RE rebuild kits also include an upgraded flexplate. The factory 48RE flexplate is replaced by SunCoast's billet 48RE one-piece unit. The billet 48RE flexplate exceeds 29.3 SFI certification and it's one piece design is CNC machined from a single forging. Specific reliefs are machined out from between the converter mounting area and the crank flange to enable minimal designed torsional flex.
The last upgrade to this kit is the addition of new apply pistons for both forward and direct. SunCoast Category 3 48RE master rebuild kits replace the factory cast pistons with new billet apply pistons. The direct piston is also included with new custom calibrated springs and the forward piston is replaced with a new billet piece. These improvements allow higher clamping forces without any deflection providing a much more direct shift feel and eliminating potential cross leaks within the drum.
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Exchange/Return Notes
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4.6 ★★★★★
Based on 2246 reviews
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Product Reviews
★★★★★ 5
Health, Eco, AND Econo friendly.
Style: HCC2128-X
40K+ miles o my 2020 Ranger. Thought I’d replace the CAF (cabin air filter.) Holy c__p. The original factory filter was clogged with dust, mesquite seeds, Palo verde droppings -YUCK. This reusable filter improved airflow immensely, plus the cabin feels fresher. Quite a bargain compared to the major brand reusable CAF (K_N) too, or pulling clogged filters, throwing them in the trash and buying a new disposable filter to install. I’m looking forward to pulling this in a month and seeing what it kept out of my breath, washing it, and reinstalling it.
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Reviewed in the United States on December 23, 2025
★★★★★ 5
Great filter
Style: HCC2146-X
My husband said this filter was high-quality, he was quite impressed. We’re not crazy about the washable kind normally, so we’ll have to see how it holds up.
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Reviewed in the United States on March 29, 2026
★★★★★ 5
Filter Fits Properly and is an Easy Install
Style: Particulate Media
Though not made for or by Honda, this filter is inexpensive and looks like it's capable of filtering the air coming into the passenger compartment of our 2012 Honda Fit. The primary difference between this unit and the original filter supplied by Honda is that the original unit has some "ribs" that help to keep the pleats separated attached to the top of the pleats. The item I received lacks that, but it appears to me that the pleats are strong enough on their own for the intended purpose. The filter fits into the frame as it should. Replacing this filter is incredibly easy and requires no tools: you empty the glove compartment, compress it's sides inward so that the rubber stops on either side clear the dash, allowing the glove compartment to drop out an extra 4-5 inches. Then, you can see and reach the cover for the cabin air filter, which is secured by latches on each side. Remove the cover and slide out the filter and frame. Replace the air filter element, which just sits in the frame, replace the frame and cover, and compress the glove compartment sides again to put it back in place. Put your stuff back in the glove compartment and you're done. In a few minutes you've saved significant dollars over the cost of having this done in the shop. Congratulations! The engine air filter is equally easy to replace in the Fit, though for that job I prefer to use a Honda OEM part.
Edit: I thought I should add a reminder to install the filter in such a way that the air flow indicator is the same as the one that you remove, i.e. do not put it in upside down. If I remember correctly, air flows from above to below in the Honda Fit. Also, currently, the price for this item is not competitive.
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Reviewed in the United States on December 21, 2014
★★★★★ 5
Easiest to install so far
Style: HEPA
So the 2018 Honda Odyssey apparently checks the air flow and after a certain point it determines the cabin air flow is less than desirable. At least this this is what I’ve gathered after talking to my dealer. Buying a thick filter may not be better.
This was the easiest filter to install. I didn’t have to gingerly coax it In without collapsing the filter. It fit easily and I didn’t have to cut it. Pro Tip: Write the date of install in case your dealership says “well cabin air flow is blah blah blah.” Just tell them to check the date. You should get 6-12months on a filter.
My dealership wanted to charge a ridiculous amount for what is literally a 2 minute job. Decent filters will cost around $20. Thicker isn’t better. It all depends on how much crap you have in your glove box. And how much crap is in your air. It might take longer to get all the receipts, first aid kits, tick prevention kits, headlights for the Scouts that forgets theirs, oh that there’s that Leatherman and Mylar blanket is…
The job entails emptying the glove box, who’s keeps gloves in these? Press the tabs to drop the box and then Voila there is the filter. It’s really that easy. Ok pull the cover off and pull the old filter. Unless you live in a really dusty environment or have squirrels that are destined to ruin your life there shouldn’t be any real mess . Pull it out and put this in. There’s air flow arrows but even if you did it backwards the van isn’t going to explode in a ball of flame, fueled by the forgotten Cheerios under the seat.
Relax, you did it. The world still turns and you’re good to go. Now it’s time to think about the engine air filter. You can do it. It’s easy but the clips can be a pain so it’s better to grab an adult beverage before, just in case.
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Reviewed in the United States on December 11, 2021
★★★★★ 5
Great Product
Style: HEPA
This product is a fantastic find! It's reasonably priced, making it accessible for most budgets without compromising on quality. The product is exactly as described, and its usefulness cannot be overstated. I've found it to be incredibly practical and efficient in meeting my needs. The attention to detail is impressive, and the performance is on par with more expensive alternatives. If you're looking for something reliable, well-made, and at a fair price point, this is the perfect choice. Highly recommended!
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Reviewed in the United States on March 28, 2026