Product Specifications
| Parameter | Details |
|---|
| Part Name | D902 Cylinder Head Assembly with Gasket Kit |
| Part Number (OEM Reference) | 1G962-03042, 1G962-03045, H1G90-03040, 1G687-03022, 1G826-03040, 1J094-03040, 1G962-03040, 1G962-03046, 1G962-03042, 1G960-99363, 1G960-99364, 1G960-99365, 1G962-99363, 1G962-99365, 1J025-03040, KEACK-1G962, KEACK-1J025, KEACK-H1G90 |
| Brand Compatibility | Kubota |
| Machine Model Fitment | Kubota BX23S, BX23S-1, KX41-3, BX2360, BX2370, BX2370-1, BX2380, BX2380-1, BX2230D, BX2350D, BX24D, BX25, BX25DLB, BX25DLB-1, KX018-4, U17, ZD323, ZD1021, ZD1021-3, STT-25KBD, STT61V-25KBD, STT72V-25KBD, DA625, DL-825, WD825 |
| Engine Compatibility | Kubota D902, D902-E2B, D902-E3B, D902-E4B, D902-ET02, D902-7D2255 and all listed variants |
| Condition | New Aftermarket |
| Warranty | 3–12 months against manufacturing defects |
| Packaging | Original sealed box with anti-rust oil, foam cushioning, and reinforced export carton |
Compatible Models
| Brand | Applicable Models |
|---|
| Kubota | BX2230D, BX2350D, BX2360, BX2370, BX2370-1, BX2380, BX2380-1, BX23S, BX23S-1, BX24D, BX25, BX25DLB, BX25DLB-1, KX018-4, KX41-3, U17, ZD323, ZD1021, ZD1021-3 |
| Scag | STT-25KBD, STT61V-25KBD, STT72V-25KBD |
| Kanga Loader | DA625, WD825, DL-825 |
Tired of Engine Overheating and Coolant Leaks? Get the Right Kubota D902 Cylinder Head for Your BX23S & KX41-3
Every hour a Kubota compact tractor or excavator sits idle due to cylinder head failure costs operators hundreds — sometimes thousands — in lost productivity and emergency labor. Counterfeit D902 heads crack under thermal cycling, leading to repeated gasket blowouts and coolant-in-oil contamination. OEM replacements often take 3+ weeks to arrive, halting mowing operations, excavation schedules, or rental fleet uptime.
OEM-Equivalent Quality, Ready to Ship from Guangzhou Warehouse
This Kubota D902 cylinder head assembly is manufactured in ISO 9001-certified facilities and undergoes full functional testing before shipment — including pressure checks at 12 bar and surface flatness verification within ±0.05 mm. Designed for real-world use on BX23S tractors in landscaping fleets and KX41-3 excavators in urban demolition sites, it delivers consistent compression sealing and thermal stability across 10,000+ hours of field operation. With 10 years’ experience supplying global repair centers, XUNPO ensures every D902 head meets original dimensional and metallurgical specs — no guesswork, no delays.
Where This Part Works
This D902 cylinder head assembly operates reliably in high-cycle, variable-load environments: municipal grounds maintenance (BX23S), residential excavation (KX41-3), zero-turn commercial mowing (ZD323), and loader-based material handling (Kanga DA625). Under continuous load, the D902 engine reaches peak combustion temperatures exceeding 2,200°C — making precise valve seat geometry, deck surface integrity, and gasket compression critical. A single misfit or substandard casting can trigger cascading failures: warped decks, burnt valves, or head bolt thread stripping — especially in high-altitude or dusty operating conditions.
Engineering Details That Matter
Each D902 cylinder head is precision-machined from ASTM A48 Class 35 gray iron — selected for its superior damping capacity and thermal conductivity versus standard cast iron. Valve seats are induction-hardened to 45–48 HRC to resist recession during extended low-RPM operation common in loader and mower applications. All coolant passages are flow-tested to match OEM volume specifications (±3% tolerance) to prevent localized hot spots. Deck surface flatness is held to 0.05 mm over the full 290 × 230 mm area — ensuring uniform gasket compression and eliminating micro-leak paths. Finally, all mounting holes are reamed and tapped to ISO 273/2 tolerances, guaranteeing torque consistency and preventing bolt pull-out during thermal expansion cycles.
The Real Cost of Wrong Parts
A $120 counterfeit D902 head may save $40 upfront — but risks $1,800 in labor to replace again after 200 hours, plus $320 in new gaskets, coolant, and oil. Worse: cracked heads cause piston scuffing or cylinder liner scoring, triggering $4,500+ crankcase rebuilds. Industry data shows non-OEM-equivalent cylinder heads fail 1.7× faster under ISO 15552 duty cycles. Total cost of ownership (TCO) isn’t about part price — it’s about uptime, warranty coverage, and technical traceability. This Kubota D902 engine head replacement carries full ISO-compliant documentation, batch traceability, and direct engineering support for installation validation.
Why Customers Trust XUNPO
— We source exclusively from ISO 9001-certified factories; incoming raw castings undergo ultrasonic flaw detection and chemical composition analysis.
— Every D902 cylinder head assembly undergoes pre-shipment performance testing: hydraulic pressure hold at 12 bar for 15 minutes, surface flatness verification, and visual inspection under 10× magnification.
— 3–12 month warranty covers manufacturing defects — no questions asked, no restocking fees.
— 10 years exporting to 120+ countries, with verified repeat orders from distributors in Germany, Australia, Brazil, and the USA.
— Our 20+ person technical team includes 5 certified Kubota engine specialists — send your machine serial number and we’ll confirm fitment within 2 hours.
— 10,000+ SKUs held in our Guangzhou warehouse; this D902 cylinder head with gasket kit ships in 2–5 working days.
Packaging & Shipping
- Individually sealed in anti-corrosion packaging with VCI paper, foam cradle, and double-walled export carton
- In-stock items ship within 2–5 working days after payment confirmation
- Flexible logistics: Express (DHL/FedEx/UPS), air freight, or sea freight — quoted per destination
- Real-time tracking provided from warehouse dispatch to final delivery
- MOQ: 1 piece — designed for urgent field repairs and small workshops
Get Your D902 Cylinder Head Assembly Now
Your BX23S won’t mow tomorrow if the head fails today. Your KX41-3 can’t dig while waiting for parts. Send us your exact model, serial number (if available), and required quantity — we’ll deliver a competitive quote within 24 hours. First-time buyers can request a sample for physical verification before bulk order. No minimum commitment. Just reliable parts, fast.
Frequently Asked Questions
Q: Is this an original Kubota part or an aftermarket replacement?
A: This is an OEM-equivalent aftermarket D902 cylinder head assembly, produced in ISO 9001-certified factories to meet or exceed Kubota D902 engine dimensional, material, and performance specifications.
Q: How do I confirm this fits my specific machine?
A: Provide your machine model (e.g., Kubota BX23S), serial number, and engine code — our technical team verifies compatibility and replies within 2 hours.
Q: What is the warranty period?
A: 3–12 months against manufacturing defects. If failure occurs due to material or workmanship, we cover replacement and return shipping.
Q: What is the minimum order quantity?
A: 1 piece — no exceptions. Ideal for urgent repairs, testing, or small workshops.
Q: How long does shipping take?
A: In-stock items ship from Guangzhou within 2–5 working days. Express options (DHL/FedEx) reach most destinations in 3–7 business days.
Q: Can I receive a sample before placing a bulk order?
A: Yes — first-time customers may request one sample unit for physical and functional evaluation prior to larger orders.
Ready to order or need a quote?
Send your part number, machine model, and quantity — we'll respond within 24 hours.
WhatsApp: +86 13316055942 | Email: talos@xunpojx.com
