Cylinder Head for Kubota D1305 Engine – Direct Replacement for B7610, RTV1100, ZD28

Product Specifications

Compatible Models

Tired of Cylinder Head Failures on Your Kubota D1305 Engine? Get the Right Replacement for B7610, RTV1100, and ZD28

Every unplanned engine shutdown costs your operation hundreds — often thousands — of dollars per hour. A cracked or warped cylinder head on a Kubota D1305 engine leads to compression loss, coolant leaks, overheating, and complete engine failure. OEM parts take weeks to arrive and cost up to 45% more — while low-grade aftermarket heads fail within months due to improper casting, poor heat treatment, or mismatched valve seat angles.

OEM-Equivalent Quality, Ready to Ship from Guangzhou Warehouse

This Kubota cylinder head is manufactured in ISO 9001-certified foundries using precision-cast gray iron with controlled carbon content and strict dimensional tolerances. Each unit undergoes full functional testing — including pressure checks at 1.5× operating pressure and surface flatness verification — before shipment. With 10 years of global export experience and over 10,000 SKUs in stock, XUNPO delivers verified replacement cylinder heads for Kubota D1305 engines used in mowers, utility vehicles, and compact tractors — no waiting, no guesswork.

Where This Part Works

This cylinder head operates under high thermal cycling and mechanical stress in agricultural, municipal, and landscape maintenance applications — from daily mowing on commercial golf courses (ZD28, ZD331) to heavy-duty hauling in utility terrain vehicles (RTV1100 series) and field work on compact tractors (B7610, F2400). In these conditions, consistent combustion chamber integrity and precise valve timing are critical: even a 0.05 mm warpage can cause misfires, burnt valves, or head gasket blowouts.

Engineering Details That Matter

The casting uses ASTM A278 Class 35 gray iron with Brinell hardness of 180–220 HB, ensuring optimal wear resistance and thermal stability across repeated heating/cooling cycles. Valve seat inserts are induction-hardened to 45–50 HRC and precisely machined to match original valve stem diameters and guide bores — preventing premature valve recession. Surface finish on the deck is ground to Ra ≤ 1.6 μm to ensure uniform gasket sealing under 45 bar cylinder pressure. All coolant passages are flow-tested to verify unrestricted circulation — critical for avoiding hot spots near exhaust ports.

The Real Cost of Wrong Parts

A $120 counterfeit cylinder head may seem economical — until it fails after 300 hours, triggering a $2,800 engine rebuild, $1,200 in labor, and 5 days of lost productivity on a municipal grounds fleet. Genuine-spec replacement parts like this Kubota D1305 cylinder head meet ISO 8535-2 and SAE J1300 standards for internal combustion engine components. When calculating total cost of ownership (TCO), durability, fit accuracy, and technical support matter more than initial price — especially when downtime carries contractual penalties or seasonal deadlines.

Why Customers Trust XUNPO

Packaging & Shipping

• Individually sealed in anti-rust oil, wrapped in EPE foam, and packed in double-walled corrugated cartons
• In-stock items ship within 2–5 working days after order confirmation
• Flexible logistics: Express (DHL/FedEx/UPS), air freight, or sea freight — all with real-time tracking
• Tracking number provided immediately upon dispatch
• MOQ is 1 piece — designed for urgent repairs and small workshops

Get Your Kubota Cylinder Head Now

Your equipment isn’t generating revenue while it’s idle. Send us your machine model (e.g., Kubota RTV1100), engine code (D1305-3B), and required quantity — we’ll email a competitive quote within 24 hours. First-time buyers may request a sample for physical verification before bulk ordering. Stock is limited — but guaranteed available for immediate dispatch.

Frequently Asked Questions