Can 225/75R15 Tire Replace 225/70R15 Tire

Question

Question:

Can I replace my P225R70/15 tires with P225 R75/15

asked by: Sheila

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Expert Reply:

Are you replacing tires on your car or your trailer? The P indicates these are for passenger vehicles not a trailer. If you are replacing tires on a trailer you want ST tires like the Loadstar ST225/75D15 Bias Trailer Tire # AM1ST96 you looked at. Even then, a better option would be a radial tire like the Karrier # AM10256. The 225/75R15 will be approximately 1" larger in diameter when compared to the 225/70R15 so you will only lose 1/2" of clearance on the top. It is unlikely this will be an issue.

expert reply by: Robin H

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Answer 1

Hey Chris, it looks like the 2025 Ram 1500 does use the same brake controller install harness as previous years so you could use the part #RED87CR which is a Redarc Tow Pro Liberty and the custom fit harness for your truck. We REALLY like the Tow Pro…

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Answer 2

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 3

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

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Answer 4

That's a very good question, we tend to be extra cautious and say to use 10 gauge wire because that would be more than enough. When you get into longer trailers that will end up using a lot of wire the heavier gauge wire becomes more necessary.…

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Answer 5

To install a Redarc Tow Pro Liberty in your 2023 Toyota Tacoma Sport you will need the following parts: Redarc Tow-Pro Liberty Brake Controller item #RED24FR Plug-and-Play Wiring Harness for Redarc Tow-Pro Trailer Brake Controllers item #RED99FR…

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Answer 6

You're right, the mounting bracket is unique (in a good way) for the Curt TriFlex NEXT Trailer Brake Controller #C24VV. The bracket is smaller and all you do is put the included adhesive tape on the bracket and stick it wherever you like under…

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Answer 7

Hi there Chris, great question. Yes the Redarc #RED87CR is truly a plug and play brake controller for your 2026 Ram 1500. It connects directly to the factory tow controller connector under the dash, so there’s no dealer programming required like you…

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Answer 8

Hey Joseph, thanks for reaching out. The difference between the yellow and black SumoSprings is the weight capacity or stiffness of the spring. For the 2018 Ram ProMaster 1500, the black ones part #SSR-307-47 are 1,500 lb capacity. Those are good for…

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Answer 9

Hey Brandon, thanks for reaching out! The brake controller plug for your 2025 Ram 1500 is under the dash to the right of your steering column, according to the installation instructions for the Curt TriFlex NEXT Trailer Brake Controller w/ Custom…

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Answer 10

Hey Vincent welcome back! I totally get the not wanting to call in. I can't hear out of one ear so I get it. The Roadmaster Sterling Tow Bar Adapter Brackets for Demco Base Plates item #DM9523062 are indeed the correct adapters. The item…

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Answer 11

Hi Gil! Good catch. The Firestone Coil-Rite Air Helper Springs - Rear Axle #F4130 does indeed have 2,000 pounds of capacity, just like the Firestone Coil-Rite Air Bags w/ Easy Mount Compressor and In-Cab Control - Single Path - 2,000 lbs #F66XV. I am…

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Answer 12

It sure will Dakota! The Pacbrake Alpha HD Air Bag Suspension Kit item #PB75ZV has been confirmed to fit the 2018 Ram 1500. It works with the 2WD and 4WD models. They have a 5,000 lbs capacity. The Pacbrake item #PB75ZV are not designed to increase…

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Can 225/75R15 Tire Replace 225/70R15 Tire

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