Jeep Wrangler JK Trunk Storage Box: Left vs Right Side Setup
By RT-TCZ : Accessories, Parts & Trim for Jeep | Published: 2026-10-31
Category: Comparisons
Compare left, right, and dual-side trunk storage box setups for the 2007–2018 JK 4-door, with fit notes, trade-offs, and a clear decision guide.
Quick answer
For most 2007–2018 JK 4-door owners, start with the right-side box alone if you regularly fold the rear seat or carry one large item; add the left-side box only when you consistently need two separate compartments. The RT-TCZ left-and-right set makes sense when you want a matched pair and rarely need a full-width cargo floor.
What changes when you add the second side
A single side box preserves the opposite corner for bulky gear—a cooler, a duffel, or a folding chair—while still giving you a dedicated spot for smaller items. The second box doubles your divided storage, but it also claims the remaining side wall and narrows the open floor between them.
That trade-off matters most in a JK 4-door because the rear cargo area is already short front-to-back. Two boxes work best when your cargo is mostly small and medium items; one box works best when you routinely carry at least one large, awkward load.
Fitment and model-year boundaries
The supplied fitment for the RT-TCZ box covers the 2007–2017 Wrangler JK, while the product title lists 2007–2018. Treat 2018 as a check year: confirm your specific JK build before ordering, especially if it is a late-production 2018 model.
The box is listed for the 4-door JK, not the 2-door. If you drive a 2-door, this comparison does not apply—the rear side geometry is different and the box is not stated to fit.
Material and finish: what the catalog does and does not tell you
The RT-TCZ box is described as aluminum alloy/iron with a black textured finish, and the listing says laser cuts are used for a precise fit. Those details suggest a rigid structure and a finish that blends with dark interior trim, but the catalog does not state a load rating, mounting hardware, or installation time.
That absence is a real decision limitation: if you need a box rated for heavy tools or recovery gear, ask the seller for load guidance before relying on it. For everyday trail and travel items, the listed construction is the relevant starting point.
Left vs right vs dual-side: trade-offs
- Right-side box only: Choose this if you want one protected compartment and need to keep the left side open for a cooler, duffel, or folded seat. You lose a second divided bin but keep more flexible floor space. Measure the largest item you routinely carry before committing to one side.
- Left-side box only: Choose this if your usual load favors the right side—for example, if you regularly slide a long item along the right wall. The storage benefit is the same as the right-side-only setup, just mirrored.
- Dual-side set: Choose the RT-TCZ left-and-right set when small-item organization matters more than maximum open floor. You get two compartments, but the center gap becomes the only wide loading space. Plan where long items will go before adding the second box.
- Model-year check: The catalog fitment says 2007–2017 JK, but the title says 2007–2018. Confirm your build year with the seller if you own a 2018, and remember the box is listed for the 4-door only.
Product facts
- For 2007-2018 Wrangler JK 4 Door Trunk Multi-function Storage Box Left & Right Side: Fitment is listed for the 2007–2017 Wrangler JK, while the title says 2007–2018. Check your exact model year before ordering, particularly a 2018 JK.

For 2007-2018 Wrangler JK 4 Door Trunk Multi-function Storage Box Left & Right Side - For 2007-2018 Wrangler JK 4 Door Trunk Multi-function Storage Box Left & Right Side: The set includes left and right side boxes in a black textured aluminum alloy/iron construction. A matched pair gives you two divided compartments, but uses both rear side walls.
Who should choose which setup
Best for
- JK 4-door owners who carry small trail gear, tools, or groceries and want divided storage
- Owners who want a matched left-and-right pair and rarely need a full-width cargo floor
- Drivers who prefer a rigid, black-textured box that blends with dark interior trim
Not for
- 2-door JK owners, since the listed fitment is for the 4-door
- Owners who regularly carry wide or long cargo and need the full rear floor
- Anyone who needs a published load rating before buying—the catalog does not supply one
