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Discussion History

Engine Management Unit

Assembly

Programmable ECU mapping fuel, ignition, boost, anti-lag, and launch control. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Engine Management Unit parts and their functions

4 top-level parts · 126 parts in total · full bill of materials below
Engine Management Unit parts diagram: 1 bare PCB, 2 microcontroller, 3 connector, 4 SMD passive (R/C/L). 126 parts in 4 top-level items.
Engine Management Unit parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Bare PCB 1× ECU board
2 Microcontroller 1× Engine processor
3 Connector 4× Sealed connectors
4 SMD Passive (R/C/L) 120× Passives

3D model

No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).

Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly shared across products atomic part related product

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Bill of materials for Engine Management Unit

4 top-level lines · 4 rows shown · 126 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Bare PCB pcb-bare 1× 1 · part
2 Microcontroller mcu 1× 1 · part
3 Connector connector 4× 4 · part
4 SMD Passive (R/C/L) smd-passives 120× 120 · part

Where the engine management unit is used

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

Used in 1 assembly

Electronics

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