Wheel Cylinder Assemblies for 7 Dexter Brakes

Question

Question:

I would like to purchase Wheel Cylinder Assembly - RH Item # 54-80-4 and the left hand LH for 7 x 1-3/4 Inch Drums . Do you have them? If yes, what is the price for both?

asked by: Bob Z

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Expert Reply:

The matching wheel cylinder for 7" brakes that pairs with the # 54-80-4 is the Wheel Cylinder Assembly Kit -LH # DA24FR. These are both of the parts you need to change both of the wheel cylinder assemblies on your 7" Dexter brakes. These cylinders will fit 7" brakes like the # 23-398-399.

expert reply by: Erik B

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Answer 1

Some boaters actually swear by closed lug nuts as in general water is kept away from more of the wheel stud. With either setup though you still risk having problems that might cause a lug to break but I wouldn't necessarily blame your issue on…

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Answer 2

I attached a chart that has all of the recommended lug nut torque specs for trailer wheels. Based on your studs being 1/2 inch, your wheels being 15 inches in diameter, and your lug nuts being coned you would want to torque your lug nuts to 90-120 ft…

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Answer 3

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 4

On the tire and wheel combos that we carry, such as #AM3H480, the manufacturer tries to offset the heavy spot on the wheel with the light spot on the tire for balancing. It takes a special rig to balance trailer tires and wheels that most tire shops…

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Answer 5

I reached out to Dexter and you cannot use a uni-servo from 10-12" brakes on your 7" brakes because the two different sizes have different uni-servo parts. In order to replace the uni-servo on your 7" brake assembly you will need to…

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Answer 6

The best way to determine which hub assembly you will need is by the bearing numbers. The item you selected, Trailer Hub Assembly, part #8-258-5UC1, is a replacement hub which uses Inner and Outer Bearing #L44649. The bearing numbers will be stamped…

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Answer 7

Traditionally, trailer manufacturers did not use electric brakes on boat trailers because the brake magnet wiring and trailer wiring did not always have the best insulation or water protection. These days, more and more manufacturers are using…

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Answer 8

To determine the size of the hub assembly you need to purchase you have to determine which bearings are in the old assembly. If the old assembly has L44649 inner bearings, you would use the hub you chose #8-258-5UC1. If the inner bearings are marked…

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Answer 9

I have attached a photo of part #HM40950 you can check out. As you can see in the photo the arrows are pointing to the hinges used on the connector are more heavy-duty than the strap and hinge on the 40955 you currently have. We have not had…

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Answer 10

Hey Richard, thanks for reaching out! The Dexter DX7.5 Drop-N-Go Brake Actuator #099-175-00 is a great option for a replacement actuator because it's a direct replacement for the common Model 60 actuators that were popular in the '90s.…

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Answer 11

To determine the size of the brake assemblies you need you have to measure the depth and width of the hub drum on the axle like what you see in the picture I attached. The most common size is 2-1/4 inch wide like the #T4071600-500 that you…

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Answer 12

Even though I cannot comment specifically on the grease you used because I am not familiar with it, I can tell you the best grease for trailer bearings is a a grease with a rating of GC-LB, which just means it is made to withstand very high…

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