This lower timing cover is a direct-fit protective component for Citroën and Peugeot 1.4 HDi engines. It shields the timing belt/chain area and associated pulleys from road debris, dirt and moisture, helping to prolong the life of the timing system and maintain correct clearances. Designed for workshop and DIY use, the cover is frequently searched by its product codes, so compatibility and part numbers are included below to help technicians find the right replacement quickly.

Technical Information

• Manufacturer: Stellantis (Citroën / Peugeot)
• Model: Citroën C2, Citroën C3, Citroën C3 Pluriel, Peugeot 206, Peugeot 206+, Peugeot 207, Peugeot 307
• Product Codes: 9637885480, 0320Y1, 0320S5
• Additional Numbers: 0320.S5, 0320.Y1

Function And Benefits

The lower timing cover prevents contamination of the timing belt and tensioning components by stones, salt and road spray. It also helps retain light oil spray and keeps routing clearances consistent. Replacing a damaged cover reduces the risk of foreign objects compromising the belt or pulleys, and provides a secure mounting surface for clips and fasteners used during timing system service.

Installation Recommendations

• Work Safely: Park on a level surface, use appropriate supports and follow manufacturer safety procedures before working under the vehicle.
• Access: Remove engine undertray / splash shield and any obstructing ancillary belts or brackets to reach the lower timing cover.
• Removal: Unscrew or unclip all fasteners securing the old cover. Note the position of retaining clips and any sealing elements for correct reassembly.
• Inspection: Check timing belt, tensioner, idlers and seals while the cover is removed. Replace any worn components at the same time—this is efficient and prevents repeated labour.
• Fitment: Clean mating surfaces, fit the new cover ensuring correct orientation, and secure with original-type fasteners. Rotate the engine by hand to verify there is no interference between cover and pulleys.
• Final Check: Refit splash shield and ancillary parts, then start the engine and listen for unusual noises. Verify no contact or rubbing occurs at idle and during a short road test.

Common Failure Reasons

• Mechanical Damage: Impact from road debris or striking obstacles can crack or deform the plastic cover.
• Ageing And Heat: Long-term exposure to heat and oil can make the cover brittle, causing cracks or broken mounting tabs.
• Broken Fasteners: Clips or screws can shear off, allowing the cover to work loose and rub against moving parts.
• Service Damage: The cover is often removed during timing-belt replacement; improper handling or reinstallation can damage it.
• Contamination And Oil Ingress: Excessive oil leaks or heavy contamination can accelerate material degradation and hide damage until failure occurs.

Note: There is no fixed service interval for the lower timing cover; it is commonly replaced during timing-belt service or whenever physical damage or deterioration is detected. When replacing the cover, it is a good practice to inspect the entire timing system to ensure long-term reliability.

Commonly searched under product numbers 9649062080 and 9651000280, this timing cover is an important part of the engine assembly. It helps maintain the timing system’s efficiency, preventing wear and tear that can lead to engine issues. It’s crucial to replace the timing cover when you notice signs of damage or wear, such as cracks or leaks, which can occur over time due to exposure to heat and vibration.

Replacing the timing cover is a straightforward process that typically involves removing the old cover and securing a new one in place. It’s recommended to periodically inspect this part during regular maintenance checks to ensure the longevity of your vehicle’s engine.

Technical Information

• Manufacturer: Citroën, Peugeot
• Model: 1.4 HDI
• Product Codes: 9649062080, 9651000280
• Additional Numbers: 0320S5

This high-quality timing cover is designed to replace the original component, ensuring that the timing system operates smoothly and efficiently. A damaged or worn timing cover can lead to serious engine issues, as it protects vital parts from dirt and debris. Regular inspections and timely replacements can prevent these problems and extend the life of your engine.

It is common for timing covers to wear out due to constant exposure to engine heat and vibrations. If you notice any oil leaks or hear unusual noises from your engine, it might be time to inspect your timing cover for damage.

Technical Information

• Manufacturer: PSA
• Model: Citroën Peugeot 1.4 HDI
• Product Codes: 9649062080, 9651000280
• Additional Numbers: 0320S5