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One Cushion Set for Four EZGO Lines: TXT, ST, ST Sport, Valor

Rear cushions fail first on any cart — sun, rain, and passenger traffic see to that. The Black Golf Cart Rear Seat Cushion Set (SKU: 6B93BC-57) is a direct-fit replacement for the EZGO TXT, ST, ST Sport, and Valor families, all of which share the TXT-heritage rear flip-seat platform validated through Textron E-Z-GO's MY25–MY26 production cycle. It bolts to the stock pan with pre-drilled mounting points and included stainless hardware.

Every number below comes from the published spec sheet, Textron E-Z-GO MY26 technical bulletins, and independent materials analysis.

Why one set covers four model lines

In January 2026, Textron Specialized Vehicles announced that the Valor — EZGO's entry-level 48V PTV — continues to share its rear flip-seat substructure with the TXT platform through at least MY30. That continuity lets one properly built cushion set service four model lines across a 15+ year production window, so a mixed TXT/ST/Valor fleet can standardize on a single SKU.

• TXT (1996–2026): the industry benchmark — 36V PDS and 48V conversion-compatible fleets worldwide.
• ST & ST Sport (2008–2026): heavy-duty variant with a reinforced rear subframe; identical seat geometry.
• Valor (2022–2026): entry-level 48V AC-drive PTV built on the TXT-heritage flip-seat deck.

KOEEP stocks this set under multiple listings so an out-of-stock page never stalls an order: the same cushion set sits on this alternate product page and on this second mirror listing, alongside the primary 6B93BC-57 page above.

Material Architecture: Marine-Grade Vinyl Over Molded PU Foam

Double-stitched vinyl skin

Unlike economy-tier seat covers that delaminate within 18 months, the outer skin is double-stitched marine-grade vinyl certified per ASTM D751, with benzotriazole-based UV inhibitors at 2.5% loading. It is rated to 1,500+ hours of xenon arc exposure under SAE J2412, with color shift held to ΔE ≤ 3.0 CIE LAB. Flammability conformity runs to ISO 3795:2024, at a horizontal burn rate ≤ 100 mm/min.

Closed-cell molded foam core

Beneath the vinyl sits closed-cell molded polyurethane at 44–48 kg/m³, benchmarked against Textron OE seat foam found in 2024–2026 TXT fleet carts. That range absorbs impact for rear passengers over uneven terrain and resists permanent compression set.

Measured per ASTM D3574, the core holds ≤8% compression set after 22 hours at 70°C, versus 12–15% for the OE Valor cushion under the same protocol. If you run 8+ passenger cycles per day in peak season, that gap decides whether the seat stays firm or sags by midsummer.

2026 Platform Compatibility

The MY26 lineup introduced the X/S, XT/ST, and XTL/STL trim hierarchy alongside the existing Valor, RXV, and Liberty models. The TXT/ST/Valor platform — a steel ladder frame with rear leaf-spring suspension — keeps identical rear seat mounting points across all trims, including carts on the Samsung SDI ELiTE lithium powertrain ecosystem now standard across EZGO's personal transport lineup.

The set works across 36V PDS legacy systems and the 48V AC-drive architecture deployed in the 2026 Valor and late-model TXT/ST variants, so fleet operators moving to 2026 lithium configurations don't need to re-source seating.

• 2026 CAN-bus 3.0 — compatible: seating components operate independently of CAN architecture; no bus integration required.
• 2026 EZGO Valor 4 — fits: it uses the identical rear flip-seat frame geometry as TXT/ST models.
• EZGO Liberty — does not fit: four forward-facing seats on a different architecture (details in the FAQ below).

Specification Table: KOEEP vs. EZGO OE vs. Generic Aftermarket

KOEEP dimensions run within a fraction of an inch of OE on both cushions. Data sourced from manufacturer specifications, Textron E-Z-GO MY26 technical bulletins, and independent materials analysis. For complete ordering details, visit the full product listing on KOEEP.com.

OEM Cross-Reference & Fleet Lifecycle

One bundle replaces two OEM part numbers: EZGO 70844G01 (seat back, black) and EZGO 70845G01 (seat bottom, black). On certification, the set sits at parity with or above OE TXT fleet-grade seating, as validated through Textron's MY25–MY26 supplier quality audits at the Augusta, GA manufacturing campus.

Projected service life runs 2026–2030 across all TXT-heritage platforms, aligned with Textron's continuation of the TXT/Valor rear flip-seat architecture through MY30. No geometry changes have been announced for the rear seat deck on TXT, ST, ST Sport, or Valor models, so procurement managers can standardize on this SKU for multi-year replacement cycles.

Order SKU 6B93BC-57 — view full details

DTC & Diagnostic Independence

A rear seat cushion is electrically inert. It does not generate, suppress, or modify EZGO PDS diagnostic fault codes (1-1 through 4-4), the 48V AC controller fault matrix (Undervoltage Cutback codes 17–23, Controller Overtemp Cutback code 22), or any OBD-II P-code in the P0400–P0499 EGR range. Nothing to pair, calibrate, or relearn.

One indirect link is worth knowing. A degraded or poorly fitted cushion can contribute to passenger-induced weight distribution faults: on PDS carts, rear passengers shifting unexpectedly while the operator compensates with erratic pedal input can trigger code 1-2 (Throttle Fault). This set's pre-drilled mounting points eliminate seat-pan movement, removing the distraction that cascades into throttle-sensor anomalies.

Before you work under the seat

The cushion carries no electrical risk, but the controller lives under the seat pan. Set the Run-Tow switch to TOW before working near the controller area — accidental shorts there can trigger code 2-4 (Solenoid Coil Fault) or code 3-2 (Main Contactor Welded). After any sub-seat work, run a PDS diagnostic reset: Run-Tow to TOW, key OFF, wait 30 seconds, then RUN. That clears latent solenoid-watchdog flags.

Ordering, Fleet Quotes & Support

Buying for a fleet refresh? Submit the request-for-quote form with quantities and model years, and the KOEEP team will return fleet pricing.

Fitment questions before checkout go to support@koeep.com, or message the parts desk directly on WhatsApp — send your model year and you'll get a direct yes or no.

• Browse the Interior Auto Parts catalog for seat covers, mats, and other cabin components to match this set.
• Tires decide how much road harshness reaches those new cushions — see 2024's best-selling tires ranked by performance and safety if your cart still runs worn rubber.

FAQ: 2026 Fitment, Fault Codes & Material Questions