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🚙 Elevate your Ram’s performance with precision-engineered control arms that keep you ahead of the pack!
These Front Upper Control Arms are precision-built alloy steel components designed for 2011-2026 Ram 1500 Classic 4WD trucks with 2-4” lift kits. Featuring adjustable ball joints with greaseable zerks, durable powder-coated surfaces, and noise-reducing PU bushings, they offer enhanced strength, longevity, and smoother handling. Ideal for professionals seeking reliable suspension upgrades that combine rugged durability with easy maintenance.









| ASIN | B0C77GVX2P |
| Auto Part Orientation | Drivers Side |
| Auto Part Position | Front Upper |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #7,744 in Automotive ( See Top 100 in Automotive ) #8 in Automotive Replacement Control Arms |
| Brand | SUCOSO |
| Brand Name | SUCOSO |
| Color | Black |
| Customer Reviews | 4.2 out of 5 stars 501 Reviews |
| Fit Type | Vehicle Specific Fit |
| Included Components | Comes with housing |
| Item Type Name | Control Arms |
| Manufacturer | SUCOSO |
| Manufacturer Part Number | 4304172 |
| Manufacturer Warranty Description | 1 year |
| Material | Alloy Steel |
| Material Type | Alloy Steel |
| Model Number | 4304172 |
| Number of Items | 2 |
| Orientation | Drivers Side |
| Unit Count | 2 Count |
P**L
Great Fit, Quality Construction, and Solid Initial Performance
Installation was straightforward with no fitment issues. The control arms were clearly labeled for the correct side, which helped simplify the install. All mounting points aligned properly, and the hardware fit as expected without any modification. I was initially concerned about the quality of the ball joints, but after installation and some time on the road, they've remained tight with no noticeable play, noise, or abnormal wear. Long-term durability is still to be determined, but based on fit, finish, and initial performance, these control arms have exceeded my expectations.
R**S
Solid Quality, needs greasing
I used these to replace some old oe style moogs and I could not be happier. My 09 Silverado has a 4” lift and just taking off the wheel revealed just how strained they were. They looked like they had reached their maximum articulation about 2” ago. Not only that but the grease was starting to pour out from just how at their limit they were. There was definitely some assembly required with these, specifically the bushings needed to be greased with a grease gun because it came disassembled. After that, the difference was night and day. When installed, these still had more articulation even with the wheel off and the sway bar link disconnected. They also moved up and down a bit easier than the old stock style ones. The boots on the new ones say “KSP” on them so I think they are the exact same as the name brand ones, just without the name and cheaper so you save yourself a few bucks. Really cool. I saw some comments here that said these rub the tire/rim when installed but I didn’t see this issue at all (see photos) on my 275/60r20s. One thing worth noting is that I believe these are aluminum vs the steel/iron of the moogs. So time will tell if these last as long as those. Very pleased overall, I wish they had stayed more clearly that they would need to be greased as I’m sure not everyone is going to have a grease gum laying around.
W**N
Solid Build Quality for the Price
I picked these up for my Chevy Silverado, and overall, I’m pretty happy with them. The fitment is excellent. They bolted right up without any major issues, and they seem to be built with decent quality materials that feel much sturdier than the stock arms. However, there are two things you need to know if you're planning on buying these: Clearance: Be aware that you may experience some minor rubbing when making very sharp turns. It’s manageable, but something to be conscious of while driving. Maintenance: These do not come pre-greased. Make sure you have a grease gun and plenty of high quality grease ready to go before you start the installation so you can properly lubricate the ball joints. If you don't mind a little extra prep work and are aware of the clearance, these are a great way to handle that lift. Definitely worth the price!
L**R
Pretty good
Installed a couple months ago. Have been pretty good so far, easy to put on the truck 2018 f150. Make sure you have your own grease ready, they definitely don’t send enough with the package.
C**S
Don't buy these such a waste of time and money
These are absolutely the most junk control arms money can buy.. wated money on two alignment should of got kryptonitefrom the beginning.. if you read this and still buy them its your own fault.. they are not designed with the factory geometry and will scrubb the tires evey dip you go thru .. they will fit on the truck but they definitely will eat your tires alive .. does not hold a proper allignment.. grease fittings clocked in wrong position.. zero functionality ..
J**S
Very good quality
These look really nice, and for the money it would be hard to find a better deal. Someone else mentioned that they weren’t marked, mine have an R and an L, so maybe his weren’t and they fixed it? Idk, but I’ve swapped a lot of front end parts in my day, being poor it’s a must and there’s nothing wrong with these upper control arms. I’ll edit the post once they’re installed. 2024 Ram 1500. They went right in, nice fit. I have no problem with these and don’t get why some people get name brand for 3x the price, you’re replacing a plastic upper control arm, these are metal and they work just fine.
A**Y
Good UCAs for 2" lift
Worked great for my 2011 f150 with rancho quicklifts. Big difference in clearance. No downsides I've found.
C**S
Control arm
Joint bushings rip easily.
A**N
Great upgrade to my Silverado.
Installed professionally on my Silverado 3500HD. Mechanic said was best ones he’s installed. Lots of grease fittings to keep well lubed and quiet. Gives enough lift to give truck a nice stance and allows room for next size up from standard tire size. A modest upgrade giving a nice overall look to my Silverado. A year down the road I am still happy with the quality. Still tight and quite smooth ride.
M**W
Must get
Probably the strongest and best control arms I ever had I had them for a year now and beat the crap out of them worth the purchase but will need spacers unless you got back spacing on the rims stock rims will hit the control arms
E**N
Tube style upper control arms
Came super fast love how it has three grease nipples came with two tubes of grease or I met little packs of Greece for 2016 Chevy Silverado LTZ. They have some weight to them. Hope the red bushings hold up good use the packs of grease to lubricate them good before installing would recommend getting new Cambridge bolts And I hope the ball joints hold up. I don't know what brand they are and have to do a wheel alignment after they're installed, but they say it's for a two to a 4 inch lift came super quick. Very happy with them. Will write another review in six months to see how everything holds up.
J**Y
I'd buy again
Bought these for my 09 silverado 1500, ive had them in for about a year now roughly I think. So far no issues and was agreat fit. Price was reasonable and delivery was fairly quick.
A**E
Does not fit cast steel arms
I have a 2015 with cast steel upper control arms, these can be bolted on but not recommended because the ball joint bolt is too small a diameter so it’s going to move around and change caster constantly, if you had the stamped steel or the aluminum arms it would be a great option if they fit.
Trustpilot
2 weeks ago
2 weeks ago