Garage Notes

6th Gen 4Runner Rear Bumpers: What's Actually Shipping in 2026 (Center Mount vs. Full-Width)

June 12, 20266 min read
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The 6th gen 4Runner rear bumper market is finally waking up, and if you've been refreshing forum threads waiting for real options, the wait is mostly over. A year ago there was nothing — now Dissent, Rago, CBI, C4, Expedition One, and Attica all have steel hanging off the back of the new platform. The catch is that these bumpers split into two very different camps, and the one you pick has more downstream consequences than most builders realize. Here's what's actually shipping in 2026 and how to choose without buying the wrong thing twice.

Center Mount vs. Full-Width: The Decision That Comes First

Before you look at brands, you have to decide what kind of rear bumper you want, because everything else flows from that. There are two camps on the 6th gen right now, and they solve different problems.

Center mount bumpers bolt into the middle section of the factory plastic bumper and leave the corners alone. Rago Fabrication's center mount is the poster child here — it drops into the center cutout, gives you a beefy OEM+ look, adds pod light mounts and a recovery point, and crucially keeps your factory blind spot monitoring and rear parking sensors fully functional with zero relocation work. CBI's Super Stock Covert plays the same game: low profile, clean fitment, minimal cutting. If you wheel moderate trails, want recovery points, and don't want to lose your driver aids or do a weekend of fabrication, this is the easy answer.

Full-width bumpers replace the entire rear end and open the door to swing-outs, tire carriers, and winch mounts. Dissent Off-Road shipped the first true full-width for the platform — a high-clearance dual-swing built from 3/16" steel with 1/2" recovery points bolted straight to the frame and six different swing arm configurations sold separately. Rago also has a full-width winch bumper now. The trade-off is real: full-width means more weight, more cost, and on something like the Attica 4x4 Terra Series you're cutting away nearly half the factory bumper to get the fit right.

Don't Lose Your Sensors (Or Plan to Relocate Them)

This is the part people skip until it's too late. The 6th gen 4Runner ships with blind spot monitoring and rear cross-traffic alert baked into the rear corners, plus parking sensors. A full-width bumper covers those corners, so the sensors have to go somewhere.

The good news is the better builders designed around it. Expedition One's bumper has integrated locations for the blind spot monitor and parking sensors, plus an optional relocation bracket for the rearview and backup cameras. Dissent's modular design is built to relocate the camera and blind spot sensors while keeping factory towing capability. But not every bumper handles this gracefully, and a sloppy relocation can throw codes or kill your BSM entirely. If you run a lot of highway miles and rely on blind spot alerts, make sensor retention a hard requirement before you buy — center mount if you want it effortless, a sensor-aware full-width if you're going bigger.

Weight Is the Hidden Cost

A full-width steel bumper with a dual swing-out and a 35-inch spare hanging off the back adds serious weight behind your rear axle — easily 150 to 200-plus pounds once it's loaded. That sag eats into your departure angle, changes how the truck rides, and almost always means you need to address rear suspension at the same time. If you're planning a tire carrier, budget for heavier rear springs or an add-a-leaf in the same breath, not six months later when the back end is dragging. This is exactly why a lot of 6th gen builders start with a center mount: they get recovery points and protection now, and defer the weight penalty until the rest of the build is ready for it.

What Builders Are Actually Running Right Now

The community pattern on the 6th gen forums is pretty clear this early in the platform's life:

  • Rago center mount — the most common first move. Cheap insurance for the rear, keeps all the sensors, looks factory-plus, no suspension changes needed.
  • CBI Super Stock Covert — for builders who want the cleanest low-profile look and don't need a tire carrier.
  • Dissent dual-swing full-width — the choice for overlanders committed to a tire carrier, jerry can mounts, and a long-travel build. It's the most capable and the most involved.
  • C4 Fabrication Lo-Pro — a steel high-clearance option in the roughly $850 range that splits the difference on price and protection.
  • Expedition One and Attica 4x4 — full-width options for builders who want frame-mounted recovery and don't mind cutting the factory bumper down.

How to Pick Without Overthinking It

Run your build through three questions. One: do you need a tire carrier? If you're going to 34s or 35s and have nowhere to put the spare, you need a full-width swing-out — that decision alone narrows the field to Dissent, Rago's full-width, or Expedition One. If your spare still fits underneath, a center mount does everything you need for less money and less hassle.

Two: how much do you actually wheel? Mild forest roads and overland trails don't punish a rear bumper the way technical rock crawling does. Center mount with solid recovery points covers the vast majority of real-world use. Save the heavy full-width armor for builds that genuinely see rock gardens and steep, off-camber exits.

Three: are you keeping your driver aids? If blind spot monitoring is non-negotiable, either go center mount or confirm in writing that the full-width you're eyeing has integrated sensor locations. Don't assume — ask the manufacturer directly.

The 6th gen rear bumper scene is young, prices and options are still shifting, and more builders are entering the space every month. If you're not in a hurry and you only wheel a few times a year, there's no shame in starting with a center mount now and revisiting a full-width once the platform's aftermarket fully matures and your suspension is ready for the weight.

If you're tracking parts for your 4Runner build, Build List Garage is the easiest way to log everything in one place — bumper, sliders, suspension, the whole list — and share your rig with a single link. Download it free from the App Store and keep your build organized from the first mod to the last.