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The hub you describe is a 3500 lb 10 inch hub/drum with a 6 on 5-1/2 inch bolt pattern which uses an L44649 outer and an L68149 inner wheel bearing and a 58846 grease seal. For a replacement, I'd recommend the #AKHD-655-35-EZ-K hub/drum. The…

The Equil-i-zer Weight Distribution with 4-Point Sway Control, like #EQ37041ET, differs from the Fastway e2 Weight Distribution with 2-Point Sway Control #FA92-00-0450, because it does utilize 2 more points of steel-on-steel friction at the head of…

On GM vehicles of that vintage, the 12-V pin should be hot regardless of whether the ignition is on or not. If it isn't showing voltage even with the ignition on, you're almost certainly on the right track thinking it's a blown or…

According to what Progressive Dynamics recommends, the Progressive Dynamics RV Power Control Center with AC/DC Panel and Converter/Smart Charger #PD4560K18LS8 is the correct replacement for your WFCO WF-9960 converter.

You'd want to measure the width of your door opening/ramp and then go with the ramp spring that fits just to the inside of that. The part #ERS120D81 you mentioned is 81 inches wide.

When selecting ramp springs for a trailer ramp, you will want to know the diameter of your hinge pin and how much space you have available in the hinge. A typical horse trailer or utility trailer ramp uses 3/4 inch hinge pins and would require two…

Yes, you could use leaf springs for a 4,000 lb axle, like part #e57SR (rated for 2,000 lbs each), with a 3,500 lb axle but it will make your ride a bit more stiff. The only times that a leaf spring would become damaged is if it is overloaded or has a…

As long as the SuperLube spindles on your trailer use the #L68149 inner bearing and #L44649 outer bearing, the etrailer E-Z Lube Trailer Hub and Drum Assembly #AKHD-545-35-EZ-K will work perfectly. The only thing different about the SuperLube…

How did you measure the existing springs? Because leaf springs will flatten out over time as they wear, the best way to get an accurate measurement of the eye-to-eye length is with the trailer up on jack stands so the axle hangs free. This should…

Trailer leaf springs can grow longer after many years of use. A new springs that measures 25-1/4-inches long like #e57SR could easily measure 25-1/2-inches after years in service on a trailer. Springs can lengthen as much as 3/4 of an inch. If your…

Over time, any suspension components can fail and need to be replaced. Since you said a shackle broke now would be a good time to inspect all of the suspension components and replace any that show signs of damage or uneven wear. It is always best to…

Leaf springs are indeed supposed to flex and will flatten out some when under load. This reduces the distance from the top of the axle to the underside of the trailer above it. There isn't a specific distance this has to be but if the trailer is…