Critical Fitment Requirements
WeatherTech 441881-1-3-4IM is designed around a particular floor and seating configuration. Before ordering, confirm:
- Second-row bucket seats or captain’s chairs
- Three-row passenger configuration
- Factory floor and seat mounting points
- Correct model generation
- Original, unmodified carpeting
- Exact WeatherTech part number ending in
IM
Do not assume it fits second-row bench-seat models. The second-row liner is molded around the bucket-seat layout, center aisle and seat mounting positions.
For additional advice about checking aftermarket parts against factory configurations, read our OEM replacement parts buying guide.
What Comes in the Set?
The package includes four vehicle-specific FloorLiner HP pieces:
- First-row driver liner
- First-row passenger liner
- Second-row liner
- Third-row liner
The second- and third-row pieces are shaped to protect the passenger areas and walking paths around the bucket-seat configuration.
A rear cargo liner is not included. That must be purchased separately for owners who need protection behind the third row.
Product Specifications
| Specification | Details |
|---|---|
| Brand | WeatherTech |
| Part number | 441881-1-3-4IM |
| Product line | FloorLiner HP |
| Color | Black |
| Coverage | First, second and third rows |
| Number of pieces | Four |
| Material | Thermoplastic elastomer |
| Fit type | Laser-measured, vehicle-specific |
| Second-row requirement | Bucket seats |
| Installation | No trimming or drilling |
| Manufacturing | Made in USA |
| Material properties | Latex-free and PVC-free |
| Recyclability | 100% recyclable material |
A retailer description identifies this package as a four-piece first-, second- and third-row set made from a flexible, rubber-like material designed to resist curling and cracking. View the FloorLiner HP specifications.
Flexible TPE Construction
FloorLiner HP is manufactured from an advanced thermoplastic elastomer compound. Compared with hard plastic liners, the TPE material provides a softer feel while maintaining the raised walls required to contain water and debris.
WeatherTech states that the compound is:
- Flexible in extreme temperatures
- Resistant to cracking
- Resistant to curling
- Latex-free
- PVC-free
- Fully recyclable
The flexibility also makes the pieces easier to remove for cleaning. That matters when the third row has collected half a bag of crackers, beach sand and something sticky nobody is willing to identify.
Laser-Measured Coverage
WeatherTech digitally measures the vehicle’s interior to shape each liner around the applicable footwell. The fitted design offers more coverage than a conventional flat floor mat, particularly around:
- Pedal areas
- Outer footwell walls
- Transmission-tunnel edges
- Front seat tracks
- Second-row entry points
- Center aisle between bucket seats
- Third-row passenger footwells
The molded surface uses channels and lower reservoirs to help separate shoes from collected water, mud, snow and road salt.
FloorLiner HP Versus Traditional WeatherTech FloorLiner
| Feature | FloorLiner HP | Traditional FloorLiner |
|---|---|---|
| Material feel | Soft and rubber-like | Firmer and more rigid |
| Flexibility | High | Moderate |
| Raised sidewalls | Yes | Yes |
| Molded channels | Yes | Yes |
| Extreme-weather use | Yes | Yes |
| Anti-skid underside | Yes | Application-dependent |
| Best suited for | Drivers wanting comfort and coverage | Drivers preferring a rigid liner |
Both styles provide stronger carpet protection than standard flat mats. FloorLiner HP is the better choice for owners who prefer a softer surface without sacrificing vehicle-specific coverage.
Everyday Interior Protection
This set is designed to contain the messes commonly found in family-sized three-row SUVs:
- Rainwater
- Snow and slush
- Road salt
- Mud and sand
- Food crumbs
- Spilled drinks
- Pet debris
- Sports equipment residue
- Worksite dirt
Full-row coverage also helps limit long-term carpet staining and wear. If the rest of the cabin has already endured years of family service, our dashboard and interior repair guide covers cleaning and repairing common trim damage.
Installation Guide
Installation requires no trimming, drilling or adhesive:
- Remove every factory carpet mat.
- Vacuum the exposed carpet and inspect the retention hardware.
- Install the driver-side liner and engage its factory retention points.
- Install the front passenger liner.
- Position the second-row liner around the bucket-seat mounting locations.
- Install the third-row liner.
- Move the seats through their normal adjustment range.
- Confirm that every piece lies flat without obstructing pedals, seat tracks or folding mechanisms.
Never place the new liners over factory mats. Stacking floor mats can create movement or pedal interference.
Cleaning the FloorLiner HP Set
Remove each liner from the SUV before cleaning. Shake out loose debris and rinse the surface with water. Mild soap or an approved floor-mat cleaner can be used for heavier dirt.
Avoid oily dressings, silicone protectants and tire shine. Those products can create a slippery surface, which is a particularly foolish feature for anything installed beneath the brake pedal.
Allow the liners to dry before reinstalling them and confirm that the driver-side retention system is securely connected.
Frequently Asked Questions
What vehicles does WeatherTech 441881-1-3-4IM fit?
It fits select 2024–2026 Chevrolet Traverse, 2024–2026 GMC Acadia and 2025–2026 Buick Enclave models equipped with second-row bucket seats. A supplied listing claims 2027 Enclave compatibility, but that model year should be verified before purchase.
Does this fit a Traverse with a second-row bench?
No. The 4418813IM second-row component is identified for bucket-seat applications.
Does it include third-row protection?
Yes. The package covers the first, second and third seating rows.
Is a cargo-area mat included?
No. A separate cargo liner is required for protection behind the third row.
Is FloorLiner HP made from hard plastic?
No. It uses a flexible, rubber-like thermoplastic elastomer compound.
Does installation require trimming?
No. The liners are vehicle-specific and should install without cutting or drilling when matched to the correct application.
Can these liners be installed over carpet mats?
No. Remove the original carpet mats before installing the WeatherTech liners.
Final Verdict
WeatherTech 441881-1-3-4IM is a practical full-interior protection package for current-generation Traverse, Acadia and Enclave SUVs with second-row bucket seats. Its flexible TPE construction, raised edges and three-row coverage make it well suited for families, winter driving, outdoor activities and regular daily use.
The only real complication is configuration. Verify the second-row seating arrangement and current model-year application before ordering—because returning four large floor liners is considerably less entertaining than checking the part number once.






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