Published 2026-09-17 · Baudouin engine parts · EPID
The turbocharger supplies boost air; injectors meter and atomise fuel. Both directly affect power, fuel consumption and emissions. This guide explains how to tell when Baudouin turbochargers and injectors need replacing, how to verify fitment before ordering, and what the quality grades actually mean.



What turbochargers and injectors do in a Baudouin engine
The turbocharger supplies boost air; injectors meter and atomise fuel. Both directly affect power, fuel consumption and emissions. On Baudouin engines these parts are shared across several ratings, so the OEM number - not the model name alone - is what identifies the correct item.
Signs they need replacing
- Black smoke and low power
- Whistling or siren noise from the turbo
- Excessive oil in the intake
- Rough idle, misfire or fuel in the oil
- Hard starting when hot
One symptom rarely justifies a replacement on its own. Two or three together - for example oil consumption plus blow-by plus smoke - almost always do.
How to verify fitment before you order
- Read the OEM number off the old part rather than from a catalogue drawing.
- Give the engine serial number. Baudouin builds the same nominal model in more than one configuration.
- Check turbo shaft play and end float, and have injectors flow-tested - a nozzle that passes visual inspection can still over-fuel.
- Confirm the sizes. If a crankshaft has been ground or a block decked, standard parts may no longer fit.
Genuine, OEM-grade or aftermarket?
| Grade | What it means | Typical use |
|---|---|---|
| Genuine | Supplied in Baudouin packaging with the original part number | Warranty work, customers who specify OEM only |
| OEM-grade | Made to the original specification and tolerances, often by the same tier of factory, without the brand packaging | Most fleet and rebuilder work |
| Aftermarket | Independent manufacture to a compatible specification | Older engines, cost-sensitive jobs, non-critical positions |
We quote the grade per line so you can mix: genuine valves with aftermarket gaskets, for example, is a common and sensible combination.
What drives the price
- Engine size and the number of cylinders - a 6-cylinder kit costs more than a 4-cylinder kit
- Quality grade and whether the part is genuine
- Quantity - container orders get factory-direct pricing
- Included components: a liner kit with pistons, rings and pins is not comparable to a bare liner

Installation and break-in notes
- Clean the bore or seating surface and check it for damage before fitting
- Lubricate sealing surfaces with the recommended assembly lubricant, not grease
- Torque in the specified sequence and stages - bolted joints on diesel engines are torque-to-yield on many models
- After a rebuild, run at moderate load and re-torque or re-check as the manual requires
Baudouin Turbochargers and Injectors we supply
| Part number | Part | Model | |
|---|---|---|---|
| BAUDOUIN-DIESEL-ENGINE-ACCESSORIES-AC-ALTERNATOR-FOR-M-SERIES-ENGINE | Baudouin Diesel Engine Accessories AC Alternator for M Series Engine | turbochargers and injectors | Details |
| BAUDOUIN-DIESEL-ENGINE-REPAIR-KIT-STARTER-MOTORS-1008083382 | Baudouin Diesel Engine Repair Kit Starter Motors 1008083382 | turbochargers and injectors | Details |
| BAUDOUIN-ENGINE-REPAIR-KIT-EXHAUST-GAS-TURBOCHARGER-1003235557 | Baudouin Engine Repair Kit Exhaust Gas Turbocharger 1003235557 | turbochargers and injectors | Details |
| BAUDOUIN-ENGINE-REPAIR-KIT-FUEL-FILTER-1008083395 | Baudouin Engine Repair Kit Fuel Filter 1008083395 | turbochargers and injectors | Details |
| BAUDOUIN-ENGINE-REPAIR-KIT-FUEL-FILTER-BASE-1007707847 | Baudouin Engine Repair Kit Fuel Filter Base 1007707847 | turbochargers and injectors | Details |
| DIESEL-ENGINE-INTAKE-VALVE-FOR-SALE-BAUDOUIN-WEICHAI-ENGINE-PARTS-6M-8M-12M-20M-SERIES | Diesel Engine Intake Valve for Sale | Baudouin Weichai Engine Parts | 6M 8M 12M 20M Series | turbochargers and injectors | Details |
Full lists: Baudouin part numbers - all Baudouin turbochargers and injectors.
Related pages
- Baudouin engine parts
- OEM part number directory
- Overhaul kit guide
- How to cross-reference part numbers
- Baudouin pistons and piston rings
- Baudouin cylinder liner
- Baudouin cylinder head