Description
Gear Wheel Of The Injection Pump For 1.4 eHDI And 1.6 eHDI Engines For Citroën And Peugeot Vehicles.
High-quality replacement gear wheel designed for the injection pump of 1.4 eHDI and 1.6 eHDI engines. This precision-toothed pulley ensures correct drive transfer and injection timing, improving reliability of the high-pressure pump drive. Ideal for professional workshops and competent DIY mechanics who service Citroën and Peugeot diesel engines. Commonly searched under part numbers 9683818280 and 193047, this component is suitable for a range of models and is manufactured to meet OEM fitment standards.
Technical Information
- Manufacturer: Stellantis / Citroën / Peugeot
- Model: 1.4 eHDI, 1.6 eHDI
- Product Codes: 9683818280
- Additional Numbers: 193047
Compatibility
Fits multiple Citroën and Peugeot models equipped with 1.4 eHDI or 1.6 eHDI engines, including:
- Citroën Berlingo B9
- Citroën C3 Picasso
- Citroën C4 II
- Citroën C4 Picasso
- Peugeot 308
- Peugeot Partner Tepee
Function And Purpose
The gear wheel transmits rotational drive to the injection pump, ensuring correct phasing of the high-pressure fuel injection system. Accurate tooth engagement is essential for precise injection timing, engine performance and emissions compliance. The component must maintain dimensional stability and tooth integrity under high loads and engine vibrations.
Replacement And Installation
Suitable for professional installation. Typical replacement steps used by experienced mechanics:
- Park the vehicle on a level surface and secure it. Follow all standard safety procedures and the vehicle manufacturer’s instructions.
- Remove any covers and accessory belts that obstruct access to the injection pump drive.
- Release belt tensioner and remove the timing/drive belt if required. Mark timing positions before disassembly to preserve pump timing.
- Remove the old gear wheel from the injection pump shaft. Inspect the pump shaft and keyway for wear or damage.
- Fit the new gear wheel ensuring correct alignment of timing marks. Reassemble components in reverse order and restore correct belt tension.
- After installation, rotate the engine by hand at least two turns and recheck timing marks and belt tension. Use specified torque values for fasteners per manufacturer data.
Recommendation: Replace the gear wheel during major drive or timing belt service or if visible wear or damaged teeth are detected. Always use proper tools and observe torque specifications. If uncertain about timing procedures, consult factory service literature or a qualified technician.
Common Failure Causes
- Tooth Wear Or Damage: Gradual wear, chipping or broken teeth due to age, debris or belt slippage.
- Incorrect Belt Tension: Excessive tension or a slipped belt increases stress on the gear teeth and can lead to premature failure.
- Contamination: Oil or coolant leaks can degrade mating surfaces and accelerate wear.
- Material Fatigue: Long service life and repeated loads can cause micro-cracks or deformation.
- Associated Component Failure: Worn timing belts, tensioners or pulleys increase load on the gear wheel and reduce service life.
Why Choose This Part
Purchase this injection pump gear wheel when you require precise fitment and reliable tooth geometry for 1.4 eHDI and 1.6 eHDI PSA engines. Using the correct part number (9683818280 / 193047) helps ensure compatibility and maintains injection timing integrity—critical for performance and fuel economy.
Installation Notes
Always follow the vehicle manufacturer’s service manual when performing removal and installation. Inspect adjacent components (belt, tensioner, seals) and replace as necessary to avoid repeat failures. Keep the work area clean to prevent contamination of the injection pump drive.
