Description
Upper timing cover for Citroën and Peugeot 1.6 HDi 8V vehicles.
This genuine-style upper timing cover is designed for 1.6 HDi 8‑valve diesel engines and provides robust protection for the timing drive components. Ideal for professional workshops and experienced DIYers, the part is often searched by its product codes (9684193080, 9686975480, 0320AJ) — enter these numbers to find an exact fit. The cover shields the timing belt/tensioner area from dirt, oil and mechanical damage, helping to preserve engine timing reliability and reduce the risk of premature belt wear.
Key Benefits
– Direct fit for affected Citroën and Peugeot models.
– Durable thermoplastic construction designed to resist engine bay temperatures and contamination.
– Easy replacement during timing belt service or when damaged mounting tabs/clips are found.
Function and When To Replace
The upper timing cover protects the timing belt, tensioner and adjacent components from debris, oil spray and moisture. It also guides air flow around the timing area to help heat management. Replace the cover if you find cracks, broken mounting ears, distortion or oil ingress. It is common practice to inspect and, if necessary, replace the cover during timing belt or water pump service to ensure long-term reliability.
Installation Recommendations
- Work with the engine cold and on a stable, level surface. Remove any obstructing components (engine top cover, intake plumbing, airbox) to gain clear access.
- Carefully unclip or unscrew the fasteners holding the old cover; retain bolts if reusing or replace with new hardware where required.
- Check and replace damaged clips, seals or gaskets and ensure mating surfaces are clean and dry before installation.
- Tighten fasteners to the manufacturer’s specified torque values where available. If uncertain, consult factory service documentation.
- Inspect the timing belt, tensioner and pulleys while the cover is off — replacing worn components at the same time avoids repeated labour.
Why This Part Commonly Fails
Typical failure modes include cracked or broken plastic due to age and heat exposure, damaged or missing mounting tabs from impact or improper removal, and oil contamination from upstream valve cover or camshaft seal leaks. Physical impacts (road debris) or deformation from excessive bolt preload also cause improper sealing and premature replacement.
Technical Information
- Manufacturer: Stellantis / Citroën / Peugeot
- Model: Citroën Berlingo B9; Citroën C3 Picasso; Citroën C4 II; Citroën C4 Picasso; Citroën C5 X7; Peugeot 207; Peugeot 308; Peugeot Partner Tepee
- Product Codes: 9684193080; 9686975480; 0320AJ
- Other Numbers: 9686975480 (alternate reference)
Notes For Professionals
This part is recommended for replacement during timing belt service or when any sign of physical damage or oil contamination is present. Suitable for garages and competent DIY technicians familiar with diesel timing systems on Citroën and Peugeot 1.6 HDi engines. Always follow the vehicle manufacturer’s repair procedures and safety guidance when performing the work.
