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Store Hours
Monday 8 - 5
Tuesday 8 - 5
Wednesday 8 - 5
Thursday 8 - 5
Friday 8 - 5
Saturday 8 - noon
Website Hours
M – F 8 - 5




Product Categories



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If this is your first purchase from Portsmouth Trailer Supply please click the "Continue." button to get started.

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  • Track new orders
  • Save items to your wish list
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TrailerMate Welcomes You!

We are one of the oldest and largest wholesale trailer parts suppliers on the east coast. We specialize in trailer parts and accessories for RV’s, Boat, Equipment, Horse and various other types of trailers.

We have been a Dexter distributor for 25 years. In addition to a full line of trailer hitches, we carry all running gear; tires, wheels, axles, electric and hydraulic brakes, Kodiak disc brakes, and hubs and drums. We stock a full line of electrical wiring harnesses as well as other trailer towing supplies, tow bars, 5th wheels and goose necks.

We also customize both galvanized and painted axles, based on our customers needs. These axles are completely sealed and come with posi-lube spindles.

If we may be of any assistance, or if you have any questions please call us at 757-558-8840 or email us at trailermateusa@gmail.com.


*You must create an account and be approved by our wholesale department in order to view our wholesale pricing. If you are not a wholesale customer, please visit our retail site by clicking the Home button at the top of the screen. If you are interested in becoming a wholesale customer, please contact Linda Church at 757-558-8840 or by email at trailermateusa@gmail.com. Please note that prices and availability are subject to change without notice.