High-quality replacement crankshaft sprocket designed for PSA Group diesel engines (1.4 HDi and 1.6 HDi). This toothed pulley transmits the crankshaft rotation to the timing system and is a critical component for maintaining correct valve timing and engine operation. Ideal for professional workshops and experienced DIY mechanics looking for a reliable component with clear OEM cross-references.

Features And Benefits

• Direct Fit For Common PSA Engines: Engineered to match original geometry and tooth profile for smooth engagement with the timing belt.
• Reliable Timing Transmission: Ensures accurate transfer of crankshaft motion to camshafts and auxiliary timing components.
• Durability For Workshop Use: Built to withstand the loads and environmental conditions typical of HDi diesel engines.
• Easy To Find By Part Number: Frequently searched under part numbers 9810698080 and 0805E5.

Compatibility Examples

Commonly fitted to Citroën and Peugeot models equipped with 1.4 HDi and 1.6 HDi engines. Typical applications include small and compact models such as Citroën C3, Citroën C4, Citroën Berlingo and Peugeot 207, Peugeot 307, Peugeot Partner, among others. Always match the part number on the unit to ensure correct fitment.

Replacement Procedure (Summary For Professionals And DIY)

• Prepare The Vehicle: Park on a level surface, engage the handbrake and support the vehicle securely on stands if required. Remove any engine covers and ancillary components that block access to the timing area.
• Set Engine To TDC: Rotate the crankshaft to Top Dead Center (TDC) on cylinder 1 and lock the crankshaft and camshafts according to the service manual to preserve timing alignment.
• Release Timing Belt Tension: Loosen the timing belt tensioner and remove the timing belt to relieve load from the crankshaft sprocket.
• Remove Old Sprocket: Unfasten the crankshaft sprocket retaining bolt (observe manufacturer torque/locking procedures) and remove the pulley/sprocket from the crankshaft shaft keyway.
• Install New Sprocket: Fit the new sprocket onto the crankshaft keyway, ensuring correct orientation and full seating. Tighten the retaining bolt to the Manufacturer’S Specified Torque.
• Reassemble And Verify Timing: Refit the timing belt, set correct tension, rotate the engine by hand for two full revolutions and recheck timing marks and clearances before final assembly.

Service Interval And When To Replace

This sprocket is a wear item that is typically inspected or replaced during timing belt service. Many service schedules coincide with timing belt replacement intervals; depending on vehicle use and manufacturer recommendations, this can be in the region of 100,000–120,000 km or every 5–7 years. Replace the sprocket immediately if teeth show wear, deformation, or damage, or if there is play on the crankshaft keyway.

Why This Part Commonly Fails

• Tooth Wear And Rounding: Prolonged use and belt tension can wear the tooth profile, causing timing belt slip or accelerated belt wear.
• Corrosion And Contamination: Oil leakage or road contaminants accelerate deterioration and can cause seizure or uneven wear.
• Keyway Damage Or Sheared Key: Improper installation, high loads, or fatigue can damage the crankshaft key or cause the key to shear, resulting in timing misalignment.
• Tensioner Or Belt Failure: A failed tensioner or degraded belt increases loads on the sprocket and shortens its life.

Installation Recommendations

• Always Replace Associated Components: When replacing the crankshaft sprocket, it is recommended to replace the timing belt, tensioner, and idler pulleys at the same time to avoid premature failure of the new sprocket.
• Use Proper Tools And Procedures: Lock the engine timing positions, use the correct torque settings and follow the manufacturer’S removal/installation steps.
• Inspect For Oil Leaks: Address any front main seal or camshaft seal leaks before reassembly to prevent contamination of the new sprocket and timing belt.
• Final Check: After reassembly, rotate the engine by hand to ensure smooth operation and correct timing mark alignment before starting the engine.

Technical Information

• Manufacturer: Stellantis (Citroën/Peugeot OEM)
• Model: 1.4 HDi, 1.6 HDi
• Product Codes: 9810698080, 0805E5
• Other Numbers: 80500000

Part Numbers And Clear Cross-References Make This Unit Easy To Locate By Code. The Item Is Intended For Use By Professional Technicians And Experienced DIY Enthusiasts Familiar With Timing System Procedures.

This camshaft pulley is a direct-fit replacement for Citroën and Peugeot diesel engines in the 1.4 HDi and 1.6 HDi family. Designed to interface with the timing belt and camshaft drive, the pulley restores precise valve timing and helps eliminate noise and vibration caused by worn or failing pulleys. Ideal for professional workshops and competent DIY mechanics, the unit is often searched for by its OEM numbers 9640473280, 9657477580 or reference 0805H2 — making it easy to find and order for scheduled maintenance or urgent repairs.

Technical Information

• Manufacturer: Stellantis / Citroén / Peugeot
• Model: 1.4 HDi And 1.6 HDi Engines (Examples Of Compatible Vehicles: Citroën C3, C4, Berlingo; Peugeot 206, 207, 307, 308, Partner)
• Product Codes: 9640473280, 9657477580, 0805H2
• Additional Numbers: (0805.H2), OEM Cross Reference Numbers As Listed Above

Function And Importance

The camshaft pulley transfers rotational drive from the timing belt to the camshaft, ensuring accurate valve timing. Proper operation is critical for engine performance, fuel economy and emissions. A faulty pulley can cause timing irregularities, leading to rough running, misfires or, in worst cases, engine damage if timing is severely compromised.

When And Why It Fails

Camshaft pulleys typically fail due to bearing wear, contamination from oil or debris, corrosion, or damage to the pulley face (where the belt runs). Symptoms include unusual rattling or whining from the timing cover area, uneven idling, loss of power or visible signs of belt misalignment. Failure is most commonly detected during timing belt service or when related components such as tensioners or belts have reached the end of their service life.

Recommended Replacement Interval

Replacement Is Commonly Performed During Timing Belt Or Timing Component Service. Typical Replacement Intervals Follow The Vehicle Manufacturer’s Schedule, Often In The Range Of 60,000–160,000 Km Depending On Model And Service Conditions. Replace The Pulley Immediately If Bearing Play, Noise Or Visible Damage Is Found.

Installation Recommendations

• Carry Out Replacement With Engine Cold And Follow Safe Lifting And Support Procedures.
• Remove Timing Belt Cover, Loosen Tensioner And Remove Timing Belt Before Removing The Pulley.
• Check Camshaft And Crankshaft Timing Marks, Replace Tensioner And Belt If Showing Wear, And Refit New Pulley With Correct Alignment.
• Always Use Manufacturer Torque Specifications For Fasteners And Confirm Valve Timing After Assembly.
• Inspect Surrounding Components (Tensioner, Idlers, Belt) And Replace As A Kit Where Possible To Prevent Repeat Failures.

Most Common Failure Causes

• Bearing Wear Or Seizure Due To Age, High Mileage Or Oil Contamination.
• Damage From Misaligned Or Worn Timing Belt Causing Uneven Load On Pulley.
• Corrosion Or Physical Damage From Impact Or Debris.
• Failure Of Associated Components (Tensioner/Idler) Leading To Excessive Stress.

Choose This Camshaft Pulley When You Need A Reliable, OEM-Referenced Replacement For 1.4 HDi And 1.6 HDi Engines. Ordering By The Provided Part Numbers (9640473280, 9657477580, 0805H2) Makes Identification Quick For Both Garages And DIY Enthusiasts.

This fuel pump pulley is a direct-fit replacement commonly used on 1.4 HDI and 1.6 HDI diesel engines from the Stellantis family. It transfers drive from the accessory/drive system to the fuel pump, ensuring reliable fuel delivery and correct pump timing. Supplied with reference numbers 9636947780 and 193040, the part is aimed at professional mechanics and competent DIYers who service Citroën and Peugeot small diesel engines.

Technical Information

• Manufacturer: Stellantis (Citroën/Peugeot)
• Model: 1.4 HDI, 1.6 HDI
• Product Codes: 9636947780, 193040
• Additional Numbers: 193040 | 9636947780

Compatible Models (Examples)

Often found on a range of small and compact Citroën and Peugeot models with 1.4 HDI or 1.6 HDI engines, for example:

• Citroën C2, Citroën C3, Citroën Berlingo
• Peugeot 206, Peugeot 207, Peugeot 307, Peugeot Partner

Function And What To Expect

The pulley transmits rotational force to the fuel pump so the pump can deliver fuel at the required pressure and timing. A worn or damaged pulley can cause belt slip, noise, uneven pump operation or loss of fuel delivery. Replacing a faulty pulley restores correct drive geometry and helps avoid secondary damage to belts and tensioners.

Recommended Installation

• Work Safely: Park on level ground, apply the handbrake and disconnect the battery before starting.
• Relieve Fuel System Pressure: Follow manufacturer procedures to reduce residual pressure in the fuel system.
• Access: Remove engine covers and any components obstructing the drive belt or fuel pump area.
• Belt Removal: Loosen the belt tensioner and remove the drive/accessory belt, noting belt routing or marking it to preserve timing alignment.
• Pulley Replacement: Unbolt the old pulley from the fuel pump shaft, check the pump shaft and keyway for wear or damage, fit the new pulley ensuring correct seating and alignment.
• Tightening: Tighten fasteners to the manufacturer’s specified torque (consult the repair manual for the exact value).
• Reassembly And Test: Refit the belt and tensioner, prime the fuel system if required, reconnect the battery and start the engine. Verify quiet operation and correct belt alignment, and check for fuel leaks.

Why The Part Fails Most Often

• Bearing Wear: Bearings inside the pulley degrade over time, causing noise and wobble.
• Belt Misalignment Or Tension Issues: Incorrect tension or misaligned belts accelerate wear and can damage the pulley face.
• Corrosion And Contamination: Moisture and debris can corrode the pulley or contaminate bearings, reducing life.
• Impact Or Mechanical Damage: Improper removal/installation or external impact can deform the pulley.

For routine maintenance, inspect the pulley when replacing accessory belts, tensioners or when diagnosing unusual noises from the front of the engine. Replacing a worn pulley early prevents belt failure and potential loss of fuel delivery while driving.

Regular wear and tear can lead to pulley failure, so it’s important to replace it as needed to avoid fuel system issues. Symptoms of a failing pulley might include unusual noises from the engine or a decrease in fuel efficiency.

Installation of the Fuel Pump Pulley is straightforward for those with mechanical experience. Typically, it requires basic tools and can be completed in your home garage. Ensure to follow manufacturer specifications for torque settings during installation to maintain optimal functionality.

Technical Information

• Manufacturer: PSA
• Model: Citroën, Peugeot
• Product Codes: 193042
• Other Numbers: Not specified

This part serves a crucial function by supporting the timing belt, which is vital for syncing the engine’s crankshaft and camshaft movements. A faulty sliding block can lead to misalignment, causing the timing belt to wear out prematurely, and may even damage the engine over time.

Replacing the sliding block periodically is recommended to maintain the integrity of the timing belt system. Signs of wear, such as unusual noises or performance issues, may indicate that it’s time for a replacement.

Technical Information

• Manufacturer: PSA Group
• Model: 1.6 HDI
• Product Codes: 9642511280
• Additional Numbers: 084920

This particular pulley, with product code 9636553880, features 22 teeth, a width of 35.27 mm, and an outer diameter of 100.4 mm, making it a reliable replacement part for ensuring optimal engine performance. The inner diameter is 29.9 mm, and its weight is 0.62 kg. It is advisable to keep an eye on the condition of the pulley, as it can wear out over time due to the constant tension and movement during operation.

Regular inspection and replacement of this component can help prevent more significant engine issues and maintain efficient operation of the vehicle. The installation of this pulley should be performed by a qualified mechanic or someone with automotive repair experience to ensure proper fit and functionality.

Technical Information

• Manufacturer: PSA
• Model: Citroën, Peugeot 1.4 HDI, 1.6 HDI
• Product Codes: 9636553880, 9810698080
• Other Numbers: 0805E5

This camshaft sprocket (OE 9657477580 / 0805H2) is an essential timing component for many Citroën and Peugeot cars equipped with the 1.6 HDi (DV6) diesel engine. Designed to transmit rotary motion from the timing belt to the camshaft, it ensures precise valve timing for optimal engine performance, fuel economy and reduced emissions. The part is commonly searched by its product numbers 9657477580 and 0805H2, so including these references in your search will help you find the correct replacement quickly.

Why This Part Matters

The Camshaft Sprocket maintains correct camshaft phasing relative to the crankshaft. Any wear or damage to the sprocket teeth or mounting face can cause timing drift, noisy operation, irregular idling, loss of power or even catastrophic engine damage if valve timing is lost. Replacing a worn or damaged sprocket restores precise timing control and helps protect the cylinder head and valves.

Suitable Vehicles

Fits Many Citroën And Peugeot Models Equipped With The 1.6 HDi (DV6) Engine — For Example: Citroën C3, C4, Berlingo And Similar; Peugeot 207, 307, 308, Partner And Similar. Always Search By OE Number (9657477580 / 0805H2) To Locate The Correct Fitment.

Installation Recommendation

• Replace As Part Of A Timing Kit: When replacing the camshaft sprocket, it is strongly recommended to replace the timing belt, tensioner and idler pulleys at the same time to avoid premature failure of the new part.
• Engine Preparation: Set Engine To Top Dead Center (TDC) On Cylinder 1 And Lock Camshaft/Crankshaft As Required By The Manufacturer.
• Removal And Fitment: Remove The Old Belt, Replace The Sprocket, Refit The Belt Ensuring Timing Marks Are Correct, And Tension The Belt To The Specified Value.
• Tools And Precautions: Use Appropriate Locking Tools And A Calibrated Torque Wrench. Follow Manufacturer Procedures To Avoid Timing Errors Or Damage.

Most Common Failure Reasons

• Wear Of Teeth Due To Long Service Life Or Abrasive Contamination.
• Damage Caused By A Failed Tensioner Or Idler Resulting In Belt Slip Or Jumps.
• Oil Contamination Leading To Accelerated Wear Or Belt Degradation.
• Corrosion Or Mechanical Impact During Previous Repairs Or Engine Events.
• Improper Installation Or Incorrect Timing During Previous Work.

Technical Information

• Manufacturer: Stellantis (Citroën / Peugeot)
• Model: Camshaft Sprocket For 1.6 HDi (DV6) Engines
• Product Codes: 9657477580, 0805H2
• Additional Numbers: 0805H2 | 9657477580

Service Tips For Mechanics And DIY Enthusiasts

Inspect The Timing Belt And All Related Components For Signs Of Wear Before Reassembly. Ensure Timing Marks Align Exactly After Installation And Rotate The Engine By Hand Through Two Full Revolutions To Confirm There Is No Interference. After First Start, Recheck Timing Belt Tension And Inspect For Any Unusual Noises Or Leaks.

Purchase And Search Advice

Search Using The OE Numbers 9657477580 Or 0805H2 For The Fastest Match. Listing The Part Number In Your Order Ensures You Receive The Correct Camshaft Sprocket For The 1.6 HDi Engine.