Should I Replace Trailer Tires that are 5 Years Old? ST225/75R 15E
Updated 10/30/2025 | Published 10/12/2025
Question:
I purchased a 2021 Cougar 5th wheel 10/1/25. 10000 Gvwr, less than 500 miles and they dont show wear owner had rv up on jacks with no weight on tires. Plans are to make trips to Florida this winter. Next summer several weeks out West. Trips originating from central Ohio. Tires are Trailer King RST ST225/75R 15E. Manufacture date 07/20. I pulled unit 125 miles to get it home. No shaking or bouncing as if it had flat spots on tires. Pulled very nice. Should I go ahead and replace the tires to avoid unwanted trouble on longer trips. Thanks for you time Jim
asked by: Jim W
Expert Reply:
Hey Jim, it would be in your best interest to replace the tires now even though they look like they are fine. Trailer tires are only really good for 4-6 years before they start breaking down which makes them much more prone to failure. So they might look great but they could blow out at any point since the rubber is getting older and breaking down.
For a replacement the part # TR225LRE that you referenced would be a really great option.
Product Page this Question was Asked From
Provider ST225/75R15 Radial Trailer Tire - Load Range E
- Trailer Tires and Wheels
- Tire Only
- Radial Tire
- Load Range E
- 225/75-15
- 15 Inch
- M - 81 mph
- Taskmaster
more information >
Continue Researching
- Search Results: trailer bearings races seals caps
- Search Results: pre~greased trailer hubs and drums
- Search Results: trailer axles
- Search Results: accessories and parts
- Shop: Bulldog Winch 17-Piece Deluxe Ratcheting Vehicle Tie-Down Strap Set - 3,335 lbs
- Shop: Bulldog Winch 13-Piece Ratcheting Vehicle Tie-Down Strap Set - 3,335 lbs
- Shop: Dexter Trailer Hub and Drum Assembly - 5,200-lb and 6,000-lb Axles - 6 on 5-1/2 - Pre Greased
- Shop: Bulldog Winch Combo Axle/Ratcheting Vehicle Tie-Down Straps - Qty 4
- Search Results: 15x5j
- Shop: Steel Mod Silver Trailer Wheel - 15" x 5" Rim - 5 on 4-3/4
- Shop: Karrier ST205/75R15 Radial Trailer Tire with 15" Silver Mod Wheel - 5 on 4-3/4 - Load Range C
- Shop: Taskmaster Steel 8-Spoke Trailer Wheel - 12" x 4" Rim - 5 on 4-1/2 - White
- Q&A: What Size Trailer Rim Should be Used for a 205/75-15 Trailer Tire
- Article: Trailer Lighting Requirements
- Shop: Trailer Hitch
- Search Results: trailer hitch
- Q&A: Lug Nut Torque Chart for Trailer Wheels
- Article: Trailer Wiring Diagrams
- Search Results: trailer tires and wheels
- Shop: Trailer Wiring
- Q&A: What is the Difference Between a Class II and a Class III Hitch?
- Article: Brake Controller 7- and 4-Way Installation Kit (ETBC7)
- Article: How to Measure Your Trailer Wheel Bolt Pattern
- Q&A: Installation Time for Blue Ox BX1128 Flat Tow Base Plate Kit for 2016 Jeep Grand Cherokee
- Shop: Brake Controller
- Video: Measuring To Choose The Right Trailer Axle
- Q&A: Which is Better for Highway Use 4.80-12 or 5.30-12 Trailer TIres
- Article: How to Measure for Trailer Hitch Drop
- Video: A Look at the Power Mountain Tallboy 6 Ton Off-Road Bottle Jack with a Military Cargo Trailer
- Article: Wiring Trailer Lights with a 7-Way Plug (It's Easier Than You Think)
on Trailer Tires and Wheels
Jameson C.
10/30/2025
Hey Jim, how did things go with the new Provider tires for your Cougar 5th wheel? Your update could make it easier for others planning long trips with older trailer tires.