D902 Cylinder Head for Kubota BX23S KX41-3 – Complete Assembly with Gasket Kit

Product Specifications

Compatible Models

Tired of Cylinder Head Failures on Your Kubota BX23S or KX41-3? Get the Right D902 Cylinder Head Assembly with Gasket Kit

Every unplanned engine shutdown costs your operation hundreds to thousands of dollars per hour — especially during critical harvest, excavation, or municipal maintenance windows. Counterfeit or poorly heat-treated cylinder heads crack under thermal cycling, cause coolant leaks into oil, and trigger repeated head gasket failures. OEM parts for Kubota D902 engines often require 3–4 weeks lead time and carry 40% price premiums — delaying repairs and straining budgets.

OEM-Equivalent Quality, Ready to Ship from Guangzhou Warehouse

This D902 cylinder head assembly is manufactured in ISO 9001-certified facilities and undergoes full pre-shipment performance validation — including pressure testing at 12 bar and surface hardness verification (HB 190–220). Designed specifically for Kubota BX23S and KX41-3 service environments, it delivers reliable compression sealing and valve train alignment during high-load digging, grading, and zero-turn mowing operations. With 10,000+ SKUs in stock and 10 years’ global export experience, XUNPO ensures fast, accurate delivery without compromising engineering integrity.

Where This Part Works

This cylinder head operates under continuous thermal stress in agricultural tractors, compact excavators, and commercial zero-turn mowers — equipment regularly exposed to dust, vibration, temperature swings, and extended duty cycles. In mining support loaders like Kanga DA625 or port-side turf equipment such as Scag STT-25KBD, consistent combustion chamber integrity directly affects fuel efficiency, emissions compliance, and uptime. Choosing a certified replacement part isn’t optional — it’s essential for maintaining power output and avoiding catastrophic cylinder bore damage.

Engineering Details That Matter

The cylinder head is precision-machined from A132 aluminum alloy with T6 heat treatment to ensure dimensional stability across operating temperatures from –20°C to +110°C. Valve seat inserts are sintered stainless steel with Rockwell C45–48 hardness, resisting recession during prolonged high-RPM operation. All coolant passages are flow-tested at factory to match OEM volumetric specs (±2.5%). Surface finish on the deck face is maintained at Ra ≤ 1.6 µm to guarantee uniform gasket compression — preventing blow-by and coolant-oil mixing. The included gasket kit uses multi-layer steel (MLS) construction with Viton elastomer stopper layers rated for 150°C continuous exposure.

The Real Cost of Wrong Parts

A $35 counterfeit cylinder head may save upfront cost — but risks $1,200 in labor to re-torque, reseal, and retest; $480 in coolant/oil contamination cleanup; and $2,500+ in daily downtime for a rental fleet operator. Non-OEM gaskets swell or compress unevenly, causing head distortion after just 200 hours. Our D902 cylinder head assembly meets ISO 9001 and Kubota’s original dimensional and metallurgical specifications — reducing total cost of ownership (TCO) by ensuring first-time fit, long-term reliability, and compatibility with factory service intervals. This is not a generic part — it’s an engineered solution built to last.

Why Customers Trust XUNPO

Packaging & Shipping

• Individually sealed in rigid retail box with molded EPE foam cradle and desiccant packet
• In-stock items ship within 2–5 working days from Guangzhou, China
• Flexible logistics: Express (DHL/FedEx/UPS), air freight, or sea freight options available
• Real-time tracking number provided upon dispatch
• Minimum order quantity: 1 piece — supports urgent field repairs and small workshops

Get Your D902 Cylinder Head Assembly Now

Your Kubota BX23S or KX41-3 shouldn’t sit idle while waiting for parts. Send us your machine model, current part number (e.g., 1G962-03042), and required quantity — we’ll issue a competitive quotation within 24 hours. First-time buyers can request a sample for physical verification before bulk ordering. Every day delayed is revenue lost — act now to restore productivity.

Frequently Asked Questions