Precision Cylinder Head Assembly 3TNV88 / 3TNV88-B Yanmar Cylinder Head
Price:
$285 - $325
MOQ:
1
Delivery Time:
3-7 work days
Brand:
Yanmar
Product Description
Cylinder Head Assembly for Yanmar 3TNV88/3TNV88-B Excavator Engine Parts
Restore optimal engine performance to your Yanmar-powered equipment with this fully assembled cylinder head, pre-fitted with valves, springs, and seat inserts. Designed as a direct replacement for Yanmar 3TNV88 and 3TNV88-B diesel engines, this assembly eliminates the hassle of sourcing individual components. Manufactured to strict OEM specifications and certified RoHS/CE compliant, it delivers reliable compression, efficient combustion, and long service life for mini excavators, compact loaders, and industrial machinery.
Core Selling Points
✅ Fully Pre-Assembled for Fast Installation
This cylinder head comes complete with pre-installed valves, springs, seats, and guides. No additional machining or component assembly is required, significantly reducing repair time and equipment downtime on the jobsite.
✅ Precision Engineering for OEM Performance
Manufactured with high-grade cast iron and CNC-machined to tight tolerances, it matches the original Yanmar cylinder head’s flow characteristics and compression ratio. This ensures optimal combustion efficiency, power output, and fuel economy.
✅ Rigorous Quality Control & Certification
Every unit undergoes 100% pressure testing to verify leak-free operation. Certified RoHS and CE compliant, it meets international quality and safety standards for reliable performance in demanding environments.
✅ Cost-Effective Repair Solution
This complete assembly offers OEM-equivalent quality at a competitive price point. It eliminates the risk of mismatched components and provides a durable, long-lasting repair for your Yanmar 3TNV88 engine.
| Parameter | Specification |
|---|---|
| Product Name | Cylinder Head Assembly with Valves & Springs |
| Compatible Engine | 3TNV88 / 3TNV88-B Diesel Engine |
| Application | Mini excavators, compact construction machinery |
| Cylinder Configuration | 3-cylinder (inline) |
| Valve Type | 2 valves per cylinder (1 intake + 1 exhaust) |
| Included Components | Complete cylinder head, intake valves, exhaust valves, valve springs, valve keepers, valve seals, valve guides |
| Material | High-grade cast iron (heat-resistant, high-pressure resistant) |
| Surface Treatment | Precision-machined deck surface, valve seats and guides pre-installed |
| Bore Compatibility | Matches 3TNV88 engine bore size (88mm) |
| Cooling/ Lubrication Ports | Pre-machined water and oil passages matching OEM specifications |
| Mounting Holes | Pre-drilled bolt holes for direct installation (100% interchangeable with OEM) |
| Certifications | RoHS, CE Compliant |
| Condition | New aftermarket replacement, fully assembled and tested |
| Warranty | 6 months |
| Key Features | OEM-equivalent performance, pressure-tested for leaks, precision valve clearances, direct bolt-on fit |
| Part Number | Part Type | Description & Compatibility |
|---|---|---|
| 129508-11700 | Genuine Complete Assembly | Factory-original full cylinder head assembly with valves, springs and seats, matches your product exactly. Fits all 3TNV88/3TNV88-B engines |
| 129508-11701 | Genuine Complete Assembly | Updated revised version with improved valve seat durability, fully interchangeable with 129508-11700 |
| 129508-11702 | Genuine Complete Assembly | Latest 2023 production version, optimized for Tier 4 Final emission engines |
| YM129508-11700 | Yanmar Standard Format | Yanmar official part number format with YM prefix, identical to 129508-11700 |
| 12950811700 | Aftermarket Format | No-hyphen format, most common writing style on international e-commerce platforms |
| 129508-11700R | Remanufactured Assembly | Factory-remanufactured complete cylinder head assembly |
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Guangzhou Lanxin Machinery Equipment Co., Ltd
Location
No. 407, Building 4, Tianji International Machinery, 12 Dongheng Sanlu Road, Zhujun District, Guangzhou City
Contact Person
Isaac




