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Diesel Engine parts and their functions

8 top-level parts · 21 parts in total · full bill of materials below

#	Part	Qty	What it does
1	Cylinder Block	1×
2	Crankshaft	1×
3	Piston & Rod Set	6×
4	Cylinder Head	1×
5	Turbocharger 4 parts	1×
6	Ball Bearing	2×	Deep-groove radial ball bearing.
7	Oil Seal	4×	Spring-loaded rotary lip seal that keeps lubricant inside a housing and dirt out where a shaft passes through, sized to DIN 3760.
8	O-Ring Set	1×	Set of elastomer rings seated in grooves to seal static or slow-moving joints against fluid and gas, sized to ISO 3601.

3D model

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Build & assembly graph

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Bill of materials for Diesel Engine

8 top-level lines · 12 rows shown · 21 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Cylinder Block	airport-shuttle-bus-cylinder-block	1×	1	·	part
2	Crankshaft	airport-shuttle-bus-crankshaft	1×	1	·	part
3	Piston & Rod Set	airport-shuttle-bus-piston-set	6×	6	·	part
4	Cylinder Head	airport-shuttle-bus-cylinder-head	1×	1	·	part
5	Turbocharger 4 parts	airport-shuttle-bus-turbocharger	1×	1	5	assembly
5.1	Turbine Wheel	airport-shuttle-bus-turbine-wheel	1×	1	·	part
5.2	Compressor Wheel	airport-shuttle-bus-compressor-wheel	1×	1	·	part
5.3	Ball Bearing	ball-bearing	2×	2	·	part
5.4	Oil Seal	oil-seal	1×	1	·	part
6	Ball Bearing	ball-bearing	2×	2	·	part
7	Oil Seal	oil-seal	4×	4	·	part
8	O-Ring Set	oring-set	1×	1	·	part

Where the diesel engine is used

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

• Rail & Transit 1 Airport Apron Bus

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

Vendor	HQ	Specialty	MOQ	Lead 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