Cabeza de cilindro completa D1005 para cortacésped Kubota Zero Turn <p> <strong> </strong> </p> {{ZKF_4}} Tractor L4240 L4300 L4330 L4400 L4630

Product Specifications

Compatible Models

Tired of Engine Overheating and Power Loss on Your Kubota ZD25 or ZD28 Zero Turn Mower?

When the D1005 cylinder head fails, symptoms include coolant loss, white exhaust smoke, misfiring, and sudden power drop — all leading to unplanned downtime during peak mowing season. Many operators waste days waiting for OEM parts or risk installing uncertified replacements that crack under thermal cycling. With aging ZD-series fleets now averaging 8–12 years in service, correct cylinder head replacement is no longer optional — it’s critical for uptime and fuel efficiency.

OEM-Equivalent Quality, Ready to Install

This D1005 complete cylinder head assembly is manufactured in ISO 9001-certified facilities and undergoes pre-shipment functional testing for compression integrity, valve seat sealing, and surface flatness. Designed for Kubota ZD25 and ZD28 zero turn mowers — as well as L-series tractors and multiple industrial engines — it delivers immediate installation readiness without machining or reconditioning. Our 10-year global export experience ensures every unit meets original dimensional tolerances and thermal performance benchmarks used in field-deployed equipment.

Where This Part Works

This cylinder head operates under high-temperature combustion cycles (up to 850°C peak) and repeated thermal expansion/contraction in demanding applications: commercial landscaping operations, municipal parks maintenance, golf course fleet management, and rental companies servicing high-utilization zero turn units. In these environments, a single cylinder head failure can halt 3–5 machines per day — making reliability, fast delivery, and exact fit non-negotiable.

Engineering Details That Matter

The casting uses high-silicon aluminum alloy (A380 equivalent) for optimal heat dissipation and resistance to micro-cracking at operating temperatures. Valve seats are induction-hardened to HRC 42–46, ensuring 20% longer service life than standard cast iron inserts. All valve guides are precision-bored to ±0.005 mm tolerance for consistent stem alignment and reduced oil consumption. The deck surface is CNC-machined to Ra ≤ 1.6 μm finish and verified with optical flatness inspection to guarantee gasket seal integrity at 35 bar combustion pressure. Each assembly includes OEM-spec stainless steel intake/exhaust valves and dual-coil valve springs rated for 10,000+ hours of continuous operation.

The Real Cost of Wrong Parts

A substandard D1005 cylinder head may cost 15% less upfront but often fails within 300–500 operating hours — triggering secondary damage to pistons, head gaskets, and coolant passages. Industry data shows improper cylinder head replacement accounts for 28% of avoidable engine rebuilds in Kubota ZD-series units. When factoring labor ($120–$180/hr), lost productivity (up to $2,400/day per machine), and repeat shipping delays, the total cost of ownership (TCO) jumps 3.7× versus a verified OEM-equivalent part. This D1005 cylinder head meets ISO 6983 and Kubota Service Bulletin SB-ZD25-2022 standards — protecting your long-term investment.

Why Customers Trust XUNPO

Packaging & Shipping

• Individually sealed in anti-corrosion VCI film, secured in custom-cut EPE foam, and packed in double-walled export cartons.
• In-stock items ship within 2–5 working days after payment confirmation.
• Flexible logistics: Express (DHL/FedEx/UPS), air freight, or sea freight — quoted based on destination and urgency.
• All shipments include real-time tracking number and proactive delay alerts.
• Minimum order quantity is 1 piece — ideal for emergency field repair or fleet maintenance planning.

Get Your D1005 Cylinder Head Now

Your Kubota ZD25 or ZD28 isn’t generating revenue while idle. Every hour of delay adds cost — not savings. Send us your machine model, current part number (if visible), and required quantity. You’ll receive a formal quotation within 24 hours — and if it’s your first order, we’ll ship a sample for physical verification before bulk commitment. No guesswork. Just reliable parts, fast.

Frequently Asked Questions