Description
Air Connection Sleeve For The Turbocharger Air Pipe For 2.0 HDI RH02 Engines Of CITROËN And PEUGEOT
Product Description
This genuine-style air connection sleeve/clamp is designed for the turbocharger air pipe on 2.0 HDI RH02 engines used in Citroën and Peugeot models. It provides a secure, leak-free transition between the turbocharger outlet/inlet pipe and the intercooler or intake plumbing. The part is commonly searched by OEM numbers and vehicle fitment, so the listed product codes are important when ordering.
Applications
Fits vehicles equipped with the 2.0 HDI RH02 engine, including but not limited to:
- Citroën C4 Picasso
- Citroën C5 X7
- Citroën C8
- Peugeot 3008 I
- Peugeot 5008 I
- Peugeot 807
Technical Information
- Manufacturer: Stellantis (Citroën/Peugeot)
- Model: 2.0 HDI RH02 (applications listed above)
- Product Codes: 9685479380
- Additional Numbers: 0382NJ
Function And Benefits
The sleeve/clamp secures the turbocharger air connection and maintains boost pressure integrity. A correct, tight joint prevents boost leaks that lead to reduced engine performance, turbo lag, and increased soot or fuel consumption. Using the proper connector ensures a reliable seal under pulsating boost pressure and thermal cycling.
Replacement And Installation
Recommended for professional mechanics and experienced DIYers. Typical replacement steps:
- Park the vehicle on a level surface and allow the engine to cool.
- Loosen the existing clamps and remove any retaining clips or brackets securing the air pipe.
- Carefully detach the old sleeve from the turbocharger and mating pipe. Inspect mating surfaces for damage, oil residue, or corrosion.
- Clean both mating surfaces thoroughly. Replace any worn or brittle hoses and use new clamps if the old ones are single‑use (e.g., Oetiker-style).
- Fit the new sleeve in place, ensuring correct orientation and full engagement on both pipes. Position clamps and tighten evenly to the manufacturer’s recommendation.
- Start the engine and check for boost leaks and proper operation under load. Recheck clamp tightness after initial drive.
Always follow the vehicle manufacturer’s service procedures and torque specifications. If unsure about clamp types or hose condition, replace the complete connection assembly to ensure long-term reliability.
Most Common Failure Causes
- Ageing and Heat: Prolonged exposure to high engine bay temperatures causes rubber or silicone sleeves to harden, crack, or lose elasticity.
- Oil Contamination: Oil from turbocharger seals or blow-by can degrade the material and create soft spots or swelling that lead to leaks.
- Vibration And Movement: Repeated pressure pulses and engine movement can loosen clamps or wear the sleeve at mating points.
- Incorrect Installation Or Tightening: Under- or over-tightening clamps can cause leaks or damage to the sleeve.
Why Choose This Part
Part numbers 9685479380 and 0382NJ match common OEM references for the turbo air connection on 2.0 HDI RH02 engines. Replacing a degraded sleeve with the correct, fit-for-purpose connector restores boost integrity and supports reliable turbo performance—especially important after turbo repairs or when experiencing boost-related faults.
Notes
Search for this part using the OEM codes for the fastest results. Inspect adjoining hoses and clamps when replacing this sleeve to avoid repeat issues.







