Description
Lower timing cover Citroën Peugeot 1.4 HDi and 1.4 16V HDi
This lower timing cover is a direct-fit replacement designed for Citroën and Peugeot 1.4 HDi and 1.4 16V HDi engines. It protects the timing chain/belt area from road debris, retains oil inside the timing case and ensures correct alignment of seals and mounting points. The part is commonly searched by OE numbers and aftermarket codes (9637885480, 0320Y1, 0320S5), making it easy to find for professional mechanics and DIY enthusiasts.
Technical Information
- Manufacturer: Stellantis (Citroën / Peugeot)
- Model: 1.4 HDi, 1.4 16V HDi
- Product Codes: 9637885480
- Other Numbers: 0320Y1, 0320S5
Compatible Models
- Citroën C2
- Citroën C3
- Citroën C3 Pluriel
- Peugeot 206
- Peugeot 206+
- Peugeot 207
- Peugeot 307
Recommended Installation
- Work Safely: Park on a level surface, use wheel chocks and disconnect the negative battery terminal before starting work.
- Access: Remove the engine undertray and any splash guards or heat shields that block access to the timing cover.
- Ancillaries: Loosen or remove accessory belts, crankshaft pulley or other components as required to access the lower timing cover—follow the vehicle workshop manual for the correct removal sequence.
- Removal: Unbolt the cover carefully, noting bolt positions and any locating dowels or clips. Gently pry the cover if it is adhered by the old sealant.
- Preparation: Clean mating surfaces thoroughly and remove old gasket material. Inspect seals, dowels and mounting points for damage.
- Fitting: Fit a new seal or gasket when installing the new cover. Hand-start bolts, then tighten to the torque values specified in the workshop manual in a star pattern if applicable.
- Final Checks: Refit all removed components, reconnect the battery, start the engine and check for oil leaks. Recheck torque after a short test drive.
Common Failure Reasons
- Material Damage: Lower covers are often made of plastic or composite and can crack from road impact or underbody strikes.
- Seal Degradation: Gasket or seal deterioration over time leads to oil leaks at the cover interface.
- Broken Mounting Tabs: Overtightening bolts or prior impacts can break locating tabs, causing misalignment and leaks.
- Age And Heat: Long exposure to heat and engine oil can warp the cover or embrittle the material, reducing sealing performance.
- Incorrect Reassembly: Improper fitting after timing service can result in leaks or abnormal wear—inspect the cover when performing timing belt/chain work.
Why Choose This Part
Designed to match the original fit and mounting points, this lower timing cover is an economical and reliable solution to stop oil leaks and protect timing components. It is easy to order using the referenced product codes (9637885480, 0320Y1, 0320S5) and is suitable for both professional garages and competent DIY repairers. Replacing a damaged cover prevents oil contamination of belts or chains and helps avoid more costly engine repairs down the line.








