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The KOEEP rear seat cushion set, SKU KOEEP-5279-BLK, is a two-piece replacement for the rear flip seat on EZGO TXT carts from 1996 through 2026, plus the ST, ST Sport, and Valor trims. You get one bottom cushion and one backrest cushion, both cut for the standard rear-facing flip-seat deck.

Order it here: Black Golf Cart Rear Seat Cushion Set for EZGO TXT, ST, ST Sport & Valor models. The set is a passive component, so it never interfaces with the cart's electronics or controller.

What changed versus stock TXT cushions

Factory EZGO TXT cushions use 1.5–1.8 lb/ft³ conventional polyurethane foam under basic UV-inhibited vinyl. The 2026 aftermarket standard has moved to high-resilience (HR) foam in the 2.0–2.5 lb/ft³ range, and Textron's 2027 model-year announcements push the same direction across the Liberty, Express, and Valor lines.

What 2.2 lb/ft³ HR foam does under load

Per ASTM D3574, HR foam in this density class shows ball rebound resilience of 55% or more and a support factor above 1.8 on the 65%/25% IFD ratio, so the cushion holds its shape under repeated fleet loading. KOEEP rates the set for 5–7 years of daily use against the 3–5 year interval typical for OEM TXT cushions.

Certifications on file

Cold crack rating: no cracking at -10°F / -23°C per CFFA Test Method 6a. Mildew resistance: no growth per CFFA Test Method 120. Dual burn-rate certification covers FMVSS 302 and ISO 3795. These values, along with the UV results below, match the 2026 Textron supplier quality thresholds for PTV interior components.

Full specification sheet

Fitment details worth checking

Factory flip seat on 2022–2026 Valor

The bottom cushion measures 37.4" × 14.2" and matches the standard rear flip-seat deck within a ±0.25" tolerance. The 35.4" × 9.8" backrest aligns with OEM upper bracket spacing. One exclusion: the optional ECOXGEAR IntelliScreen headrest integration is a 2027-model-year feature, and this set fits standard rear-facing flip seats without headrest cutouts.

Aftermarket flip-seat kits on 1996–2013 TXT

The molded hole grid accepts the bolt patterns used by GTW, Madjax, DoubleTake, and Red Dot kits. T-bolt spacing from 6" to 12" on center is covered, and the cushions take ¼-inch T-bolts or carriage bolts. Match your kit's bolt pattern before you start. Pre-1996 Marathon frames are narrower, and fitment there is not guaranteed.

2027 Liberty and Express models

Preliminary fitment data indicates continued compatibility with the TXT-derived rear seat platform. The redesigned lines ship in summer 2026 as 2027 models. Verify mounting patterns against your specific build sheet when the cart is delivered.

Four wear signs that call for replacement

OEM TXT rear cushions fail in predictable ways. Check for these at each service interval.

• Vinyl cracking or splitting along seams, usually after 3–5 years of UV on stock material.
• Foam compression set past 25% of original thickness, visible as a permanent dent where passengers sit.
• Thread degradation at high-stress seams, most often the front edge of the bottom cushion.
• Water absorption through cracked vinyl, which breaks down the foam core and grows mildew.

The marine-grade vinyl and 2.2 lb/ft³ HR foam in this set target each of those failure modes. Cushion wear sets no trouble codes; it surfaces as comfort complaints in fleet maintenance logs, which is why replacement usually lands alongside scheduled inspections.

DTC reference for seat-interval inspections

The rear cushion never generates a diagnostic trouble code itself. The codes below come up during the full-vehicle inspections that seat replacement often coincides with.

• EZGO PDS: 1-1 controller failure, 1-2 throttle position sensor fault, 1-4 high pedal disable, 2-3 thermal cutback, 3-1/3-2 solenoid driver failure, 4-1/4-2 motor stall, 4-3 controller overcurrent.
• Curtis 48V: Code 17 severe undervoltage, Code 18 severe overvoltage, Code 22 controller overtemp cutback at 85°C or higher, Code 23 undervoltage cutback.

Cover the front bench and the rest of the interior

Match the front bench too: RXV owners can add the black front cushion seat cover for the EZGO RXV, and TXT owners the front cushion seat cover for EZGO TXT, so both benches wear matching vinyl.

The interior auto parts collection holds the rest of the catalog. For the long-form version, the complete guide to this rear seat cushion set adds ordering and care details.

FAQ: fitment, wear, and codes