Weathertech
WeatherTech Cargo Liner Rear Cargo Protection | 2018-2026 Jeep Wrangler JL Unlimited 4-Door
WeatherTech Cargo Liner Rear Cargo Protection | 2018-2026 Jeep Wrangler JL Unlimited 4-Door
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WeatherTech Cargo Liner for Jeep Wrangler JL Unlimited with Factory Subwoofer Protection
Bottom Line: The WeatherTech Cargo Liner delivers precision-molded cargo protection for 2018-2026 Jeep Wrangler JL Unlimited 4-Door models equipped with the factory rear cargo subwoofer and without the Flat Load Floor option. Engineered using digital vehicle scanning technology, it protects factory carpeting from mud, snow, road salt, water, pet hair, camping equipment, recovery gear, and daily cargo use.
Because: WeatherTech utilizes a proprietary Thermoplastic Elastomer (TPE) compound engineered to remain flexible in extreme temperatures while resisting cracking, warping, and long-term wear. The raised outer containment wall helps trap spills and debris, while the textured cargo surface minimizes cargo movement during daily driving and off-road travel.
"Vehicle-specific cargo protection provides superior floor coverage and containment compared to universal cargo mats." — WeatherTech Product Engineering Team.
Jeep Wrangler JL Unlimited owners frequently use their cargo areas for overlanding gear, camping equipment, pet transportation, recovery tools, coolers, sports equipment, and work supplies. These activities can quickly expose factory carpeting to moisture, abrasion, dirt, and damage. The WeatherTech Cargo Liner is specifically engineered to help preserve interior condition while maintaining full cargo area functionality.
Unlike universal cargo mats, this WeatherTech liner is digitally measured to match the exact contours of the Wrangler JL Unlimited cargo compartment equipped with the factory rear cargo subwoofer. The custom fit maximizes floor coverage while maintaining a clean factory appearance and seamless integration with the vehicle interior.
The raised outer lip helps contain spills before they reach factory carpet, while the anti-skid textured finish helps stabilize coolers, storage bins, toolboxes, camping gear, and recovery equipment. Manufactured in the USA using advanced molding processes, the liner delivers long-lasting protection in harsh climates and demanding off-road environments.
For Jeep owners seeking maximum cargo-area durability without sacrificing fitment accuracy, the WeatherTech Cargo Liner provides a premium solution designed specifically for JL Unlimited models equipped with the OEM cargo-area subwoofer package.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | WeatherTech |
| Part Number | 401188 |
| Product Type | Cargo Liner |
| Color | Black |
| Position | Rear Cargo Area Behind 2nd Row |
| Vehicle Configuration | Without Factory Flat Load Floor |
| Subwoofer Compatibility | With Factory Rear Cargo Subwoofer |
| Material | Custom-Blended Thermoplastic Elastomer (TPE) |
| Design Method | Digital Laser-Measured Vehicle Scan |
| Containment Design | Raised Spill-Containment Lip |
| Surface Texture | Anti-Skid Cargo Stabilization Surface |
| Weather Resistance | Extreme Hot and Cold Weather Compatible |
| Compliance | FMVSS302 Compliant |
| Country of Manufacture | United States |
Vehicle Fitment
- Jeep Wrangler JL Unlimited Sport 4-Door — 2018-2026
- Jeep Wrangler JL Unlimited Sport S 4-Door — 2018-2026
- Jeep Wrangler JL Unlimited Willys 4-Door — 2018-2026
- Jeep Wrangler JL Unlimited Sahara 4-Door — 2018-2026
- Jeep Wrangler JL Unlimited Rubicon 4-Door — 2018-2026
- Jeep Wrangler JL Unlimited Freedom 4-Door — Applicable Configurations
- Jeep Wrangler JL Unlimited High Altitude 4-Door — Applicable Configurations
Fitment Notes:
- Fits Jeep Wrangler JL Unlimited 4-Door models only.
- Designed specifically for vehicles equipped with the OEM rear cargo-area subwoofer.
- Designed specifically for vehicles WITHOUT the Flat Load Floor option.
- Fits cargo area behind second-row seating.
- Does not fit Jeep Wrangler JL 2-Door models.
- Does not fit Flat Load Floor cargo configurations.
- Does not fit vehicles without the factory cargo-area subwoofer.
- Does not fit Jeep Wrangler 4xe models.
- May affect operation of the optional Trail Rail Cargo Management System.
Installation Notes
- No drilling, trimming, or modifications required.
- Remove any existing cargo mats before installation.
- Verify vehicle is equipped with the factory rear cargo-area subwoofer.
- Verify vehicle is not equipped with the Flat Load Floor package.
- Position liner directly into cargo compartment and align with floor contours.
- Inspect fitment around cargo anchors and subwoofer housing.
- Clean easily using water and mild automotive-safe soap.
Frequently Asked Questions
Will this fit a Wrangler JL with the Flat Load Floor option?
No. Part number 401188 is specifically molded for cargo areas without the Flat Load Floor package.
Does this fit vehicles without the factory subwoofer?
No. This liner is engineered specifically for Wrangler JL Unlimited models equipped with the OEM cargo-area subwoofer.
Will this fit a Wrangler 4xe?
No. Wrangler 4xe models use a different cargo-floor configuration and require a dedicated application.
Can it contain snow, water, and mud?
Yes. The raised perimeter containment wall helps trap moisture, dirt, slush, and debris before they reach factory carpeting.
Will cargo shift during off-road driving?
The textured anti-skid surface helps reduce movement of coolers, camping gear, recovery equipment, and storage containers.
SKU: 401188
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