Engine V2003 V2203 V2403 Complete Cylinder Head for Kubota

Product Specifications

Compatible Models

Tired of Engine Downtime from Failed Cylinder Heads? Get the Right Kubota V2003/V2203/V2403 Complete Cylinder Head with Valves & Springs

Every hour your Kubota engine sits idle due to a cracked or warped cylinder head costs hundreds in lost productivity — especially on time-sensitive projects like municipal infrastructure repair or quarry operations. Counterfeit or poorly machined heads cause valve seat failure, coolant leaks, and compression loss within weeks. OEM replacements often take 3+ weeks to arrive, while local suppliers rarely stock full assemblies with matched valves and springs.

OEM-Equivalent Quality, Ready to Ship

This Kubota cylinder head is manufactured in ISO 9001-certified facilities using precision CNC-machined cast iron and verified valve geometry. Each unit undergoes hydraulic pressure testing and surface finish inspection before shipment — matching original Kubota tolerances for combustion integrity and thermal stability. With 10 years’ experience supplying replacement cylinder heads globally, XUNPO delivers consistent quality across all V2003, V2203, and V2403 variants used in compact excavators, skid steers, and agricultural tractors.

Where This Part Works

This complete cylinder head operates under high-compression, intermittent-load conditions typical of construction equipment engines — enduring repeated thermal cycling, vibration, and exposure to dust and moisture. It’s installed in machines working at ports handling container cranes, on demolition sites where debris ingress is common, and in mining support vehicles running 16+ hours daily. Correct valve spring tension and seat concentricity are critical here: even minor deviation causes misfire, overheating, or catastrophic head gasket failure.

Engineering Details That Matter

The cylinder head body uses HT250 gray cast iron with controlled graphite flake distribution for optimal heat dissipation and resistance to thermal cracking. Valve seats are induction-hardened to 45–50 HRC, ensuring durability against abrasive wear from modern low-sulfur fuels. Intake and exhaust valves feature precisely ground stems (diameter tolerance ±0.005 mm) to maintain correct guide clearance and prevent oil consumption. Spring load is calibrated to 280 N at 35 mm installed height — identical to OEM spec — preventing valve float at rated RPM. All sealing surfaces are surface-ground to Ra ≤1.6 µm to ensure leak-free interface with the block and head gasket.

The Real Cost of Wrong Parts

A $120 counterfeit cylinder head may save $40 upfront but risks $2,800 in labor to re-install, $650 in new gaskets and fluids, and 3 days of equipment downtime — easily exceeding $10,000 in project delay penalties for contractors. Non-OEM valve angles cause incomplete combustion, increasing NOx emissions and triggering fault codes in Tier 4 Final compliant systems. This Kubota engine cylinder head with valves meets ISO 6789 and SAE J1330 dimensional standards, minimizing total cost of ownership through predictable 12,000–15,000-hour service life between overhauls.

Why Customers Trust XUNPO

Packaging & Shipping

• Individually sealed in anti-corrosion film, cushioned with dense EPE foam, packed in double-walled corrugated box with internal bracing
• In-stock items ship within 2–5 working days after payment confirmation
• Flexible logistics: DHL/FedEx/UPS express (3–7 days), air freight (7–12 days), or sea freight (25–40 days)
• Real-time tracking provided via email and WhatsApp upon dispatch
• MOQ is 1 piece — designed for urgent field repairs and small fleet operators

Get Your Kubota Cylinder Head Now

Your machine isn’t generating revenue while waiting for parts. Send us your exact engine model (e.g., V2203-M-E3B-SLR-1), required quantity, and destination country — we’ll email a formal quotation within 24 hours. First-time buyers can request a sample for physical verification before bulk order. With warehouse stock in Guangzhou and direct factory coordination, we eliminate delays without compromising engineering integrity.

Frequently Asked Questions