Custom Fit 2012 Chevrolet Suburban Accessories

In the 2012 Chevy Suburban, no plug is present under the dash, but the needed wires are already run. You will connect the brake controller wiring with the vehicle wiring already present under the dash. For your Tekonsha Prodigy P3 Brake Controller…

Yes the 4,000-lb leaf spring is compatible with a 3,500-lb axle. There are a couple of important measurements. Spacing from eye to eye on the spring when unloaded with no weight on the axle. Inner eye diameter of the spring roll Spring width from…

The correct leaf spring replacement you'd want is the part #e48SR which is 26 inches long and for 4,000 lb axle like you have. Typically the best way to measure springs is with no load on them but based on yours being 26.5 with a load a 26 inch…

Definitely looks like the springs are being overloaded and need to be replaced. You can use higher rated leaf springs but, the higher you go the stiffer the ride will be. Since we know the weight class with your axles the next step would be to…

Thank you for the photo! I was able to use the serial number on your axle to determine which is the correct replacement leaf spring for your trailer. For this, you are going to want to use the 3-Leaf Double-Eye Spring #e57SR. The measurement you…

You are exactly right when you mentioned the tongue weight of a trailer being accounted for when determining its overall capacity. It is not uncommon for trailer manufacturers to list a trailer's GVWR to be a bit higher than the combined capacity…

It is not uncommon for the trailer hangers on a tandem axle trailer to be all the same size or for there to be different sizes that can be 1-1/2 to 2 inches different in height when you compare the center hanger to the front and rear. For example,…

No plug is present under the dash of your 2012 Chevy Suburban, but the needed wires are already run. You will connect the brake controller wiring with the vehicle wiring already present under the dash. Check out the install video I attached that…

You will most likely need to add additional transmission fluid when installing a supplemental transmission cooler such as #D13502. The cooler core itself will add capacity and the hose will add some as well. After the cooler is installed and you…

What you will want to do is check the transmission fluid level after installing the Derale part #D12906 and then add as much as needed. Most likely around a 1/2 qt would be needed but that will depend too on if you spill any fluid (most do) and how…

The Derale transmission cooler part #D13403 that you referenced is a stacked plate cooler (the most efficient style) that would do a great job keeping the transmission fluid of your 2004 Chevy Silverado cooler. You'd want to route the fluid from…

You definitely should get a supplemental transmission cooler as your fluid is getting hot enough while towing that cooling it down will help prolong the life of the transmission. Stacked plate coolers are the most efficient design so I would…