Replacement overflow/return hoses designed for Citroën and Peugeot HDi diesel engines. These hoses are commonly searched by OE numbers and short codes, making them ideal for professional workshops and DIY mechanics who need a direct-fit, reliable solution. They restore correct fuel routing and prevent leaks that cause fuel odor, contamination of surrounding components, or fuel pooling under the vehicle.

Compatibility And Application

Compatible With Many Stellantis Models Equipped With 1.4 HDi Or 1.6 HDi Engines. Typical Applications Include:

• Citroën Berlingo B9
• Citroën C3 Picasso
• Citroën C4 II
• Peugeot 301
• Peugeot 308
• Peugeot Partner Tepee

Technical Information

• Manufacturer: Stellantis (Citroën / Peugeot)
• Model: 1.4 HDI, 1.6 HDI
• Product Codes: 9676245280, 9676290580
• Additional Numbers: 1574EN, 1574JK

Installation Recommendations

Replace The Hose When The Engine Is Cool And Work In A Well-Ventilated Area. Basic Replacement Steps For Experienced Mechanics Or Competent DIYers:

• Relieve Any Residual Pressure In The Fuel System If Applicable And Protect Surrounding Components From Fuel Spillage.
• Loosen And Remove Clamps Or Fasteners At Each Connection Point.
• Note The Original Hose Routing To Ensure Correct Reinstallation; Replace With The New Hose Following The Same Path.
• Use New Clamps Or Reuse High-Quality OEM-Style Clamps; Ensure Secure, Leak-Free Connections.
• After Installation, Prime The System If Required And Check Thoroughly For Leaks During A Short Engine Run.

Why This Part Fails

Overflow Hoses Commonly Fail Due To Ageing And Exposure To Heat, Diesel Fuel, And Engine Bay Contaminants. Typical Failure Modes Include:

• Hardening And Brittleness Leading To Cracks, Especially At Bends Or Near Clamps.
• Perishing From Long-Term Exposure To Heat And Vibration.
• Damage From Corroded Or Loose Clamps Causing Abrasion Or Leaks At The Connection Points.

Signs Of Failure Include Visible Cracks, Fuel Odor, Wetness Around The Hose Or Connectors, And Fuel Drips Under The Vehicle. There Is No Fixed Replacement Interval; Inspect Hoses During Regular Service Or Whenever Fuel Odors Or Leaks Are Detected.

Why Buy This Replacement

This Hose Is A Practical, OE-Referenced Replacement For Workshops And Home Mechanics Who Need Fast Identification By Part Number. Using The Correct Hose Restores Proper Fuel Return/Overflow Function, Prevents Fuel Leaks, And Helps Maintain Safe, Clean Engine Bay Operation.