• 129900-01200 Cylinder Head Bolt Excavator Spare Parts Fit For 4GP98 4TNE92 4TNE94 4TNE98

• Specifiion

• Functions

1.Clamping Force: When torqued to Yanmar’s specified value, it creates a uniform pressure between the cylinder head and block, compressing the head gasket to form a hermetic seal. This prevents leakage of high-pressure combustion gases, coolant (from the engine’s cooling passages), and lubriing oil.

2.Maintaining Compression: Properly tightened bolts ensure the combustion chamber retains optimal compression (critical for engine power, fuel efficiency, and reducing emissions). Loose bolts can cause compression loss, leading to misfires or reduced performance.

3.Withstanding Thermal Stress: Engines experience extreme temperature fluctuations (from cold starts to operating temperatures of 80–100°C).

The bolt’s high-tensile material and precise torque ensure it maintains clamping force despite thermal expansion/contraction of the cylinder head and block.

• Compatible models

ENGINES 4GP98 4TNE92 4TNE94 4TNE94L 4TNE98 4TNV94L 4TNV94 4TNV98 4TNV98C 4TNV98CT 4TNV98T Yanmar

• More other bolt parts fit for DOOSAN machine

• alog parts list

• We could supply the following spare parts

1 Hydraulic parts: hydraulic pump, main valve, hydraulic cylinder, final drive, travel motor, swing machinery, swing motor etc.

2 Engine parts: engine ass’y, piston, piston ring, cylinder block, cylinder head, crankshaft, turbocharger, fuel injection pump, starting motor and alternator etc.

3 Undercarriage part: Track roller, Carrier roller, Track Link, Track shoe, Sprocket, Idler and Idler cushion etc.

4 Cab parts: operator’s cab, wiring harness, monitor, controller, seat, door etc.

5 Cooling parts: Radiator, air conditioner, compressor, after cooler etc.

6 Other parts: Service kit, swing circle, engine hood, swing joint, fuel tank, filter, boom, arm, bucket etc.

• Advantage

1. Offer Top quality & competitive products

2. Support 12-month warranty

3. 100% tested before shipping

4. Delivery in time

5. A wide range of Oil Pressure Sensor, Fuel Tank Level Sensor, Temperature Sensor, Speed Sensor for excavator 

6. More than 15 years production and 11 years foreign trade experience

7. Professional QC team

8. Best sales team, 24 hours service

• Packing and Shipping

Packing Details :

inner packing : plastic film for wrapping

external packing : wooden

Shipping :

within 3 days after received the payment , by air or by express or by sea on the basis of the

quantity and emergency circumstances.

1. By Couriers: DHL, UPS, FEDEX, TNT are the main courier companies we are cooperated,

2. By Air: Delivery from the Guangzhou air port to customer's destination city air port.

3. By Sea: Delivery from the Huangpu port .