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What This Set Replaces

It serves the full TXT-heritage platform: E-Z-GO TXT (all variants), ST, ST Sport, Valor (all trims including Valor S+ 48V) and RXV models running TXT-pattern rear flip-seat kits. Textron E-Z-GO validated the shared rear-seat mounting architecture at its Augusta, GA facility, so the 48V AC-drive Valor, the ST utility series and the ST Sport performance trim all take the same cushions.

Mounting works on OEM brackets and aftermarket flip-seat brackets from Madjax, GTW and RHOX, using M8-1.25 stainless steel T-nuts with 304-grade corrosion resistance. Coverage runs 1996 through 2026 — the TXT platform's whole third decade in one part number.

2026 Compatibility, Answered Fast

• Works with 2026 CAN-bus 3.0? Yes — the cushions interface passively with all flip-seat hardware, zero electronic integration. Fully compatible with 2026 RXV Enhanced and Valor S+ 48V models on Curtis 250A controllers with CAN-bus diagnostics.
• Fits the 2026 Valor factory rear seat? Yes — the Valor uses the same TXT-heritage subframe, and the 37.4"W × 14.2"D seat plus 35.4"W × 9.84"H back match OEM and aftermarket flip-seat kits directly.
• Marine-grade vinyl? Yes — UV-stabilized PVC-coated polyester, antimicrobial and mildew-resistant, rated to ASTM G154 Cycle 1 after 500+ hours of xenon arc. It meets or exceeds SAE J2412 Class B weathering and ISO 105-B02 colorfastness.
• The foam? 44–55 kg/m³ high-resilience closed-cell polyurethane, with indentation force deflection (IFD) of 36–42 lbs at 25% compression per ASTM D3574.

Why It Outlasts the Factory Cushion

Heat-Reflective Vinyl Topcoat

Factory cushions through 2020 used standard automotive-grade vinyl. This topcoat uses heat-reflective pigment technology — similar to Spradling Breeze™ cool-touch marine vinyl — dropping surface temperature 12–18°F under direct solar load versus conventional black vinyl.

That matters because 2026 Valor and ST Sport models ship without a standard roof, leaving rear cushions in full-spectrum UV all day. Base-trim Valor vinyl cracks once surface heat holds above 158°F (70°C) — routine on unshaded Southern-state seats.

Closed-Cell Foam That Blocks Water

The core is 100% virgin polyurethane closed-cell foam at 0.95 specific gravity. Open-cell foam wicks moisture and feeds mildew — the known failure mode on 2014–2019 TXT factory cushions. This structure absorbs under 0.8% of its weight in water after 24-hour immersion (ASTM D570). In humid climates, that one number decides whether the cushion dries out or rots from the inside.

Spec Comparison: EZGO OEM (2020–2025) vs. KOEEP Premium

Verify Fit Before You Order

1. Measure the rear flip-seat pan width between bracket mounting holes — it must be 36.0"–38.5", the exact span the 37.4" cushion fits.
2. Confirm TXT-platform lineage: ST, ST Sport, Valor and TXT share the same seat architecture. RXV front seats differ, but rear flip-seat brackets cross over.
3. Check the model year tag on the frame rail under the driver's side floor pan; post-2020 Valors carry a QR-coded compliance label referencing Textron Specialized Vehicles, Augusta, GA.
4. Running a Madjax or GTW rear seat kit? This set is pre-drilled to match those bolt patterns.

Installation and the Lithium Advisory

The swap is direct: no modifications, no drilling, no specialized tools beyond a 13mm socket and a #3 Phillips driver. The pattern cross-references to Madjax 07-001, GTW-20816 and RHOX RX-313 bracket systems.

On 2026 Valors with the Curtis 250A controller, cycle the Run/Tow switch to TOW before any rear body work near the 48V battery compartment.

Select Valor trims add the 48V ELiTE lithium pack, and there the rear seat pan sits directly above the BMS (Battery Management System) enclosure. Check the battery compartment seal before reassembly; replace a torn or displaced weather seal (EZGO Part #607214) so dust cannot trigger BMS DTC codes in the P0600–P0699 range.

Service Life, Warranty and Ordering

Projected lifecycle is 2026–2030 at 1,500–2,000 fleet hours per year. Closed-cell foam removes moisture-wicking — the main degradation vector in fleet duty — and the antimicrobial vinyl resists mold through daily morning dew on golf course carts.

Behind the rating: over 90% IFD retention at 5,000+ cycles (ASTM D3574), ΔE color shift under 3.0 after 500+ xenon-arc hours (SAE J2412 Class B), ISO 105-B02 blue wool 7+, and zero fungal growth at 7-day incubation (AATCC Method 147).

The set carries KOEEP SKU 3669 with free worldwide shipping over $99 and a 1-year comprehensive warranty. Fleet buyers can send quantities through the request-for-quote page, email support@koeep.com, or message the team on WhatsApp.

Finish the Whole Interior

Rear cushions rarely wear alone. If the front bench is faded or split, the Black Golf Cart Front Cushion Seat Cover for EZGO TXT brings the front seats in line with the new rear set.

Prefer to compare first? The standard rear seat cushion set listing covers the same 1996–2026 fitment range, the Complete Guide walks through fitment and install order, and the interior parts collection holds the rest of the cabin catalog.

Order the 2026 rear seat cushion set — SKU 3669

FAQ: 2026 Troubleshooting for TXT, ST, ST Sport and Valor