Kubota V1702 Diesel Engine Cylinder Head | OEM 15422-03040 15476-03040 17345-03040 | Engine Cylinder Head
Upgrade or repair your excavator, skid steer loader, tractor, or industrial equipment with this premium-grade cylinder head for the Kubota V1702 engine. Manufactured to meet or exceed original OEM specifications, this cylinder head ensures optimal combustion sealing, superior heat dissipation, and long-term durability. Direct replacement for multiple OEM numbers including 15422-03040, 15422-03044, 15476-03040, 17345-03040, and 6660966. Fits a wide range of Kubota and Bob cat machinery – verify your engine model for compatibility.
Technical Specifications
| Engine Model |
Kubota V1702, V1702B, V1702T, V1702E, V1702A |
| Part Name |
Cylinder Head (Complete Assembly / Bare) |
| OEM Part Numbers |
15422-03040, 15422-03044, 15476-03040, 17345-03040, 6660966, 6598127 |
| Casting Numbers |
V1512, K1A, K1B, 40420 K1A, 80208 K1B |
| Engine Displacement |
1.73 L (1,732 cc / 105.7 cu in) |
| Cylinder Bore |
82.0 mm (3.23 in) |
| Piston Stroke |
82.0 mm (3.23 in) |
| Number of Cylinders |
4 (Inline) |
| Compression Ratio |
21.0:1 |
| Material |
High-Grade Cast Iron (Resistant to thermal stress and cracking) |
| Valve Configuration |
Overhead Valve (OHV) with precision-machined guides and seats, 8 valves total |
| Combustion Type |
Direct Injection (Spherical type combustion chamber) |
| Valve Clearance (Intake & Exhaust) |
0.18-0.22 mm (0.0071-0.0087 in) |
| Cylinder Head Surface Flatness |
0.05 mm (0.0020 in) maximum |
| Top Clearance (Piston protrusion) |
0.7-0.9 mm (0.0276-0.0354 in) |
| Steam Holes |
(10) 7/32" diameter |
| Condition |
Brand New / Remanufactured Option Available |
| Warranty |
6 Months |
Compatible Equipment & Applications
| Mini Excavators |
Kubota KX101, KX151, KH90, KH101, KH151 |
| Skid Steer Loaders |
Bob cat 733, 743, 743B, 743DS, 645, 1600, 225, 231, 331, 3023; Mustang 442 |
| Tractors |
Kubota L355, L2850, L3250, L3450, L275, L295, L305, L2250, M4030, M4050, M4500 |
| Wheel Loaders |
Bob cat 1600; Kubota R400, R400B, R410, R410B |
| Construction & Industrial |
Kubota KH28L, KH60, KH170L |
| Other Applications |
Forklifts, generators, and agricultural machinery powered by Kubota V1702 diesel engines |
Product Features & Engineering Advantages
- Precision Casting & Material Strength: Manufactured from high-strength cast iron alloy to withstand extreme combustion pressures and temperatures. The material ensures excellent heat dissipation and minimizes the risk of cracking between valves and injector seats.
- Enhanced Airflow & Combustion Efficiency: Intake and exhaust runners feature precision-engineered ports designed for optimal flow dynamics. Multi-valve configuration optimizes airflow for improved combustion efficiency, resulting in better fuel economy and power output.
- Optimized Thermal Management: Includes precision-drilled water holes that allow proper coolant circulation, helping to regulate engine temperature and prevent overheating under varying operating conditions.
- Precision-Machined Valve Train: Features precisely machined valve guides and seats to ensure proper sealing and longevity. Compatible with overhead valve (OHV) configurations. Valve seat width is 2.1 mm with a 45-degree seat angle.
- Complete Gasket Kit Available Separately: For a proper seal, replacing your cylinder head gasket and bolts is recommended. Compatible gasket kits and head bolts are available for the V1702 engine.
- Direct Replacement: Engineered for a perfect fit—no modifications required. Bolts directly onto Kubota V1702 engine blocks.
Quality Assurance & Why Choose Us
- 100% Tested – Every cylinder head undergoes pressure testing to ensure no internal leaks in water jackets or oil passages
- OEM Standard – Manufactured in ISO-certified facilities with EPR Germany Packing certification available
- Warranty – 6-month warranty against manufacturing defects
- Global Shipping – Fast DHL, FedEx, UPS shipping available from multiple warehouses
- Expert Support – Need help identifying your part? Send us your engine code or old part number
Installation Note (Technical Reference)
When installing a new cylinder head on a Kubota V1702 engine, it is critical to check piston protrusion (top clearance) to select the correct head gasket thickness. Factory specification for top clearance is 0.7-0.9 mm (0.0276-0.0354 in).
Cylinder head surface flatness must not exceed 0.05 mm (0.0020 in). Valve clearance for both intake and exhaust should be set to 0.18-0.22 mm (0.0071-0.0087 in) with the engine cold.
Always replace head bolts and use a new gasket for optimal results. Professional installation is recommended due to the precision required for alignment, torque specifications, and sealing to prevent leaks or damage.