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Discussion History

Petrol Engine

Assembly

Naturally aspirated three-cylinder engine, 1.0-1.2 L. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Petrol Engine parts and their functions

7 top-level parts · 55 parts in total · full bill of materials below
Petrol Engine parts diagram: 1 engine block, 2 cylinder head, 3 crankshaft, 4 piston assembly, 5 fuel injector, 6 spark plug, 7 timing chain. 55 parts in 7 top-level items.
Petrol Engine parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Engine Block 2 parts 1× Aluminium block housing three cylinders.
2 Cylinder Head 3 parts 1× Head with camshaft and valves.
3 Crankshaft 1× Shaft converting piston motion to rotation.
4 Piston Assembly 3 parts 3× Piston, rings and connecting rod.
5 Fuel Injector 3× Port or direct injector metering fuel.
6 Spark Plug 3× Ignites the air-fuel mixture in a spark-ignition engine.
7 Timing Chain 1× Chain synchronising crankshaft and camshaft.

3D model

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Build & assembly graph

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Bill of materials for Petrol Engine

7 top-level lines · 15 rows shown · 55 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Engine Block 2 parts city-car-engine-block 1× 1 7 assembly
1.1 Cylinder Liner city-car-cylinder-liner 3× 3 · part
1.2 Main Bearing city-car-main-bearing 4× 4 · part
2 Cylinder Head 3 parts city-car-cylinder-head 1× 1 25 assembly
2.1 Camshaft city-car-camshaft 1× 1 · part
2.2 Engine Valve city-car-valve 12× 12 · part
2.3 Valve Spring city-car-valve-spring 12× 12 · part
3 Crankshaft city-car-crankshaft 1× 1 · part
4 Piston Assembly 3 parts city-car-piston 3× 3 5 assembly
4.1 Piston city-car-piston-body 1× 3 · part
4.2 Piston Ring city-car-piston-ring 3× 9 · part
4.3 Connecting Rod city-car-conrod 1× 3 · part
5 Fuel Injector city-car-injector 3× 3 · part
6 Spark Plug spark-plug 3× 3 · part
7 Timing Chain city-car-timing-chain 1× 1 · part

Where the petrol engine is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Powertrain

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $500–$50k. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳Weichai Power
weichai.com ↗ 		Weifang, CN Diesel & power engines 50 units 12–16 wks
🇮🇳Cummins India
cumminsindia.com ↗ 		Pune, IN Diesel engines 50 units 12–16 wks
🇨🇳Yuchai
yuchai.com ↗ 		Yulin, CN Diesel engines 50 units 12–16 wks
🇮🇳Kirloskar Oil Engines
koel.co.in ↗ 		Pune, IN Diesel & gas engines 50 units 12–16 wks
🇮🇳Ashok Leyland
ashokleyland.com ↗ 		Chennai, IN Engines & commercial vehicles 50 units 12–16 wks