Description
Pulley of the fuel pump for 1.4 HDi and 1.6 HDi engines for Citroën and Peugeot vehicles.
This fuel pump pulley is an OEM-compatible replacement part designed for PSA Group diesel engines (1.4 HDi and 1.6 HDi). It restores reliable mechanical drive to the pump, ensuring stable fuel delivery and correct engine operation. The part is suitable for workshops and DIY mechanics who need a direct-fit pulley that matches OEM dimensions and mounting points. Common search keywords: Fuel Pump Pulley, Citroën Fuel Pump Pulley, Peugeot Fuel Pump Pulley, 1.4 HDi Pulley, 1.6 HDi Pulley, OEM 9636947780, 193040.
Technical Information
- Manufacturer: Stellantis (Citroën / Peugeot)
- Model: 1.4 HDi, 1.6 HDi
- Product Codes: 9636947780, 193040
- Other Numbers: 9636947780, 193040
Suitable Models (Examples)
Commonly fitted to various Citroën and Peugeot models equipped with 1.4 HDi and 1.6 HDi engines, for example Citroën C3, C4, Berlingo and Peugeot 206, 207, 307, Partner. Check the part number to confirm fitment for a specific vehicle application.
Function And Benefits
The pulley transfers rotational motion to the fuel pump drive, providing consistent mechanical drive required for correct fuel delivery. Replacing a worn or damaged pulley restores smooth pump operation, reduces noise, prevents belt slippage and helps maintain correct fuel pressure under load. Fitment of a correct-dimension pulley preserves alignment and prolongs the service life of the drive belt and pump bearings.
How To Replace
- Park the vehicle on a level surface, engage the parking brake and disconnect the negative battery terminal.
- Gain access to the fuel pump pulley by removing any obstructing engine covers or ancillary components according to the vehicle workshop manual.
- Release drive belt tension and remove the belt from the pulley; support the belt if reusing.
- Remove the pulley retaining nut/bolt and extract the old pulley from the pump shaft. Inspect the pump shaft and seal for wear or damage.
- Fit the new pulley making sure it fully locates on the shaft, then refit and tighten the retaining hardware to the manufacturer’s torque specification (refer to the workshop manual).
- Refit the drive belt, set correct tension, reassemble removed components and reconnect the battery. Start the engine and check for unusual noise and correct fuel system operation.
Installation Recommendations
- Always follow the vehicle manufacturer’s workshop manual for safe removal and tightening torques.
- Replace the drive belt and tensioner if they show wear, glazing or play; a worn belt accelerates pulley wear.
- Inspect the pump shaft seal and bearing seating; replace any leaking seals to prevent contamination of the new pulley.
- Use proper tooling to avoid damaging the pump shaft or pulley seating during removal and installation.
Why The Part Fails
Fuel pump pulleys typically fail due to bearing wear, corrosion, mechanical impact or misalignment. Contaminated or aging drive belts, improper tensioning and foreign debris can accelerate wear. Symptoms of a failing pulley include unusual whining or grinding noises from the pump area, intermittent fuel delivery, belt slippage or visible wobble of the pulley when the engine is idling.
When To Replace
Replace the pulley if it shows play on the shaft, bearing noise, visible wear or if it causes belt tracking problems. Replacing the pulley during timing/auxiliary belt service is recommended when access is required, reducing future labor costs.
