RCI Gas Tank Skid Plate Install 5th Gen 4Runner

 In 5th Gen Mods, Armor, Install, Off-Road

RCI Off-Road Gas Tank Skid Plate

RCI Off-Road Gas tank skid plate installation on 5th Generation Toyota 4Runner

The fuel tank skid, otherwise known as a gas tank skid plate is one of those skid plates that if looked over can cause a multitude of problems if hit too hard.

I think it goes without saying, but if you smash your factory aluminum skid plate, you risk puncturing the tank ending up with a leaking tank on the trail.

Depending on how hard you are going to push your 4Runner off-road, installing a gas tank skid plate might be a good option.

RCI Off-Road offers a couple of different options when it comes to material.

If you are looking to keep your truck light, while avoiding rust, go for aluminum. This skid weighs in at only 26lbs. If you are looking at the most protection possible, you can go with a 10ga (9/64″) steel plate or their 3/16” steel plate. See weight specs below on steel.

We went with the aluminum skids as keeping our truck light is very important considering our daily driving habits and for what it’s worth, taking in our MPGs.

RCI Gas Tank Skid Plate Specs

  • Full Set: Check Today’s Price
  • Gas Tank Skid: Check Price
  • Material Options: 3/16” Steel or 1/4” 5052 Aluminum Alloy
  • Powder Coat Options: Black powder coat or bare metal
  • 3/16” Steel: 52lbs
  • 10ga Steel: 38lbs
  • Aluminum: 26lbs

Step 1: Understand the orientation of Legs and the Plate

Step 2: Remove factory skid plates

Step 1: Remove factory skid plates

Start by removing the OEM gas tank skid plate.

The factory gas tank is held in place by six bolts. There is one at each long leg and three along the lower edge. The long legs that hold the gas tank in place are in a tight location.

You can access the hardest bolt (seen above) and all others with a simple ratchet drive and socket.

Step 3: Provided Legs for Gas Tank Skid

Step 2: Provided Legs for Gas Tank Skid

The longest leg goes on the rear passenger side corner and bolts directly above the driveshaft.

The shortest leg goes over the rear driver side corner, and the medium leg with a 37° angle goes on the front passenger side corner.

These two legs mount to the same location as the factory skid plate.

Step 4: Mounting legs to 4Runner

Start by mounting the legs on the 4Runner first instead of mounting the legs to the skid plate first.

Install the legs with the elongated hole toward the skid plate and the angle sides up towards the bottom of the truck.

Use the supplied 30mm bolts with washers and loosely secure each of the three legs in the position before installing the skid plate to the legs.

Step 5: Lift skid plate into place

Lift Skid Plates into place

With the help of another person, lift the skid plate into position.

If you do not have another person helping you with the install, you can use a floor jack to jack the skid plate up and into place in order to connect the skid plate to the legs.

Step 6: The orientation of Skid Plate

The front of the plate is the side with the upward angled lip.

The mounting legs should be mounted on the inside flange of the skid plate. The 3/8″ x 1″ carriage bolts can be inserted toward or away from the fuel tank, just verify there is adequate room between the bolts and the tank.

We installed the carriage bolts from the inside out with the brackets on the inside of the skid plate as well.

We found that it was easier to get an open end box wrench around the nut.

Step 7: Check Fitment and Clearance

Once the skid plate is self-supported, align the front driver side mounting holes and install the 30mm bolts with washers.

Check for fitment and clearance of the fuel tank, and then fully tighten. Pay special attention to the middle of the fuel tank on the driver side as there is a small bump in the gas tank where the leak might rub if not given enough clearance.

Step 8: Tighten the remaining bolts

Fully tighten all six bolts securing the mounting legs to the frame into the plate flange. If the plate needs to move up or down to level it, the elongated holes will allow the ability to do so prior to tightening.

Questions or Comments? Leave them below!

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Brenan - Trail4RC FontenotEric Ellis Recent comment authors
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Eric - 57HotrodVW
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Eric - 57HotrodVW

Good stuff. I’m very happy with my RCI aluminum gas tank skid plate, as well as the rest of my RCI skids.

Pro Tip: Use some thread locker, like Loctite Blue 242 on all the fasteners, to ensure that nothing comes loose down the road/trail.

C Fontenot
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C Fontenot

I’ve heard these have interference with C4 sliders. Did you have any issues?

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