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Outboard Engine parts and their functions

6 top-level parts · 25 parts in total · full bill of materials below

#	Part	Qty	What it does
1	Powerhead 6 parts	1×	Four-stroke engine block driving the unit.
2	Lower Unit 5 parts	1×	Gearcase transmitting drive to the propeller.
3	Propeller	1×	Three-blade stainless or aluminum prop.
4	Engine Cowling	1×	Cover over the powerhead.
5	Tilt Bracket	1×	Transom clamp with power trim and tilt.
6	Water Pump	1×	Impeller pump circulating cooling seawater.

3D model

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Build & assembly graph

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Bill of materials for Outboard Engine

6 top-level lines · 17 rows shown · 25 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Powerhead 6 parts	rib-powerhead	1×	1	12	assembly
1.1	Engine Block	rib-engine-block	1×	1	·	part
1.2	Piston	rib-piston	4×	4	·	part
1.3	Crankshaft	rib-crankshaft	1×	1	·	part
1.4	Cylinder Head	rib-cylinder-head	1×	1	·	part
1.5	Flywheel	rib-flywheel	1×	1	·	part
1.6	Spark Plug	spark-plug	4×	4	·	part
2	Lower Unit 5 parts	rib-lower-unit	1×	1	9	assembly
2.1	Driveshaft	rib-driveshaft	1×	1	·	part
2.2	Helical Gear Pair	gear-pair	1×	1	·	part
2.3	Propeller Shaft	rib-prop-shaft	1×	1	·	part
2.4	Ball Bearing	ball-bearing	4×	4	·	part
2.5	Oil Seal	oil-seal	2×	2	·	part
3	Propeller	rib-propeller	1×	1	·	part
4	Engine Cowling	rib-engine-cowling	1×	1	·	part
5	Tilt Bracket	rib-tilt-bracket	1×	1	·	part
6	Water Pump	rib-water-pump	1×	1	·	part

Where the outboard engine is used

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

• Marine 1 Rigid Inflatable Boat

Used in 1 assembly

Rigid Inflatable Boat

Sourcing: possible vendors

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