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SumoSprings Helper Springs For 2021 Ram 1500 Laramie Crew Cab 4x4  

Updated 10/23/2025 | Published 09/23/2025

Question:

I have a 2021 Ram 1500 Laramie Crew Cab 4x4. Part number SS95MR looks like it will fit my truck, looks like a very easy install. Please tell me why this part will not fit my truck as you say.

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Expert Reply:

Hello Herman, thanks for reaching out. We do offer a Sumo Spring kit for your 2021 Ram 1500 Laramie Crew Cab 4x4, but the # SS95MR you mentioned will not be correct. Those are for a Chevy/GMC truck. Instead, for your Ram truck you will need the following:

- SumoSprings Solo Custom Helper Springs - Rear Axle # SSR-307-40

What kind of load are you hauling?

expert reply by:
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Jesse M
SSR-307-40
SSR-307-40
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Jesse M.

10/22/2025

Hey Herman, how did things go with the SumoSprings for your Ram 1500? Did the correct kit help with the load you’re hauling? Your update could make it easier for the next person with the same truck setup.

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Herman

10/22/2025

@JesseM The sumo springs worked very well. I'm towing a 26-foot toy hauler, 5100 lbs. unloaded. My 2021 Ram 1500 only sagged in the rear about 1 inch thus leveling out the truck. Also, the ride quality, to me, is fine without the trailer attached. They are worth the investment and were not too difficult to install. Jay
Jesse M. profile picture
Etrailer Expert

Jesse M.

10/23/2025

@Herman Thanks for sharing! Glad to hear you are happy with your Sumo Springs. Feel free to come back anytime you need anything!

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