Piston for SDEC Engine – Part No. S00000970+03
The Piston (Part No. S00000970+03) is a core reciprocating component within the combustion chamber of SDEC (Shanghai Diesel Engine Co., Ltd.) H series engines. Manufactured from a high-strength aluminum alloy, this piston is designed to withstand the extreme thermal and mechanical stresses generated during the diesel combustion cycle. The piston transfers the force of expanding gases from the cylinder to the connecting rod, which in turn rotates the crankshaft, producing the mechanical energy required for heavy-duty applications including construction machinery, generator sets, marine vessels, and commercial vehicles
| Engine Model | Configuration | Typical Applications |
|---|
| SC7H180D2 | 6-cylinder, 7.2L | Generator sets, industrial power |
| SC7H210D2 | 6-cylinder, 7.2L | Medium-duty equipment |
| SC7H230D2 | 6-cylinder, 7.2L | Construction machinery, loaders, graders |
| SC7H250D2 | 6-cylinder, 7.2L | Heavy-duty excavators, cranes, marine propulsion |
| SC7H270Q3 | 6-cylinder, 7.2L | XCMG road rollers and pavers |
Piston Assembly & Ring Components
| Component Description | Part Number |
|---|
| Piston Assembly (main item for SC7H, 6-cylinder) | S00000970+03 |
| Piston Assembly (alternative for SC4H, 4-cylinder) | S00011799 |
| Piston Assembly (alternative H series piston) | S00009693 |
| Piston Ring Set (complete 3-ring set for 1 cylinder) | S00000973 + S00000974 + S00000975 |
| Piston Ring (Top ring – trapezoidal barrel ring) | S00000973 |
| Piston Ring (Second ring – tapered face ring) | S00000974 |
| Oil Control Ring (3-piece steel ring assembly) | S00000975 |
| Piston Pin (wrist pin) – standard size | (Consult SDEC parts catalog) |
Connecting Rod & Bearing Components
| Component Description | Part Number |
|---|
| Cylinder Head Gasket (SC7H) | (Consult SDEC catalog) |
| Cylinder Head Gasket (SC4H) | S00000844 |
| Oil Pan Gasket (SC7H) | (Consult SDEC catalog) |
| Front Crankshaft Oil Seal | S00004645 |
| Rear Crankshaft Oil Seal | D02A-118-02B |
| Rocker Arm Cover Seal Ring | S00004754 |
| Intake Manifold Gasket (per cylinder) | (Consult SDEC catalog) |
| Exhaust Manifold Gasket (per cylinder) | (Consult SDEC catalog) |
| Turbocharger Mounting Gasket | (Consult SDEC catalog) |
| Full Engine Gasket Set (major overhaul) | Available through SDEC dealers |
| Component Description | Part Number |
|---|
| Water Pump | S00003086 |
| Oil Pump (lubrication pump assembly) | S00003915 |
| Thermostat (wax element type, 82°C opening) | S00003087 |
| Fan Belt (V-belt, SC7H) | S00010432 |
| Belt Tensioner (automatic spring type) | S00007858 |
| Oil Cooler Assembly | (Consult SDEC parts catalog) |
| Radiator Cap (pressure type) | (Consult SDEC parts catalog) |
| Component Description | Part Number |
|---|
| Fuel Injector (unit injector, SC7H) | S00010458 |
| Fuel Injection Pump (high-pressure common rail) | S00010459 |
| Lubrication Oil Filter Cartridge (spin-on type) | S00005435 |
| Fuel Filter Cartridge (spin-on type) | D638-002-02 |
| Air Cleaner Element (primary) | KX2640-1 |
| Air Cleaner Safety Element (secondary) | K2640 |
| Turbocharger Assembly | (Consult SDEC parts catalog) |
| Component Description | Part Number |
|---|
| Camshaft Assembly (6-cylinder complete) | S00006207 |
| Camshaft Bushing (cam bearing shell) | S00004367 |
| Push Rod (hollow steel, per cylinder) | S00002892 |
| Tappet (valve lifter, mechanical flat type) | S00002893 |
| Rocker Arm Assembly (complete set, SC7H) | (Consult SDEC catalog) |
| Intake Valve | (Consult SDEC parts catalog) |
| Exhaust Valve | (Consult SDEC parts catalog) |
| Valve Spring | (Consult SDEC parts catalog) |
| Valve Guide (intake and exhaust) | (Consult SDEC parts catalog) |
| Valve Seat Insert (intake and exhaust) | (Consult SDEC parts catalog) |
60311177 Water Pump for Excavator Sany SY215C
