High-quality overflow hoses designed for Citroën and Peugeot 1.4 HDI 16V engines fitted with DELPHI fuel injection systems. These hoses (part code 1579GJ) serve as reliable fuel/return lines or overflow connectors around the injection system, providing a secure route for excess fuel and pressure relief. Ideal For Professional Garages And Competent Do-It-Yourself Mechanics Searching By Part Number.

Product Description And Benefits

These replacement overflow hoses are manufactured to match the routing and connection points of original equipment on compatible vehicles. They Resist Typical Diesel Fuel Effects And Mechanical Loads, Help Maintain Correct Fuel Pressure Management And Reduce The Risk Of Leaks Around The Injection Rail. The Compact Design Simplifies Installation Without Major Disassembly Of Surrounding Components.

Technical Information

• Manufacturer: Stellantis (Citroën/Peugeot)
• Model: Citroën C3; Peugeot 1007; Engines With 1.4 HDI 16V Delphi Injection
• Product Codes: 1579GJ
• Additional Numbers: No Additional Numbers Provided

Installation Recommendations

1. Work In A Well-Ventilated Area And Relieve Fuel System Pressure Before Beginning.
2. Disconnect The Battery To Minimize Risk Of Sparks During Work On The Fuel System.
3. Carefully Remove Any Engine Covers Or Components Blocking Access To The Affected Hoses.
4. Loosen Hose Clamps Or Quick-Connect Fittings, Then Remove Old Hoses. Note Routing And Connector Orientation For Correct Replacement.
5. Inspect Connectors, Clips And Sealing Surfaces; Clean Or Replace Any Damaged Mounting Hardware.
6. Fit The New Hose In The Same Orientation, Secure Clamps Or Connectors Firmly, But Avoid Over-Tightening That Could Damage Fittings.
7. Reconnect Battery, Prime The Fuel System If Required, Start The Engine And Check For Leaks Under Various Loads.

Typical Service Life And When To Replace

Service Life Depends On Operating Conditions But Hoses Commonly Last Several Years. Replace Immediately If You Observe Cracks, Hardened Sections, Fuel Odor, Visible Leaks Or Loose Connections. Routine Inspections During Scheduled Maintenance Help Detect Wear Early.

Why This Part Fails Most Often

• Aging And Material Degradation: Heat Cycling And Chemical Exposure Cause Rubber And Elastomers To Harden, Crack Or Swell Over Time.
• Fuel Contamination: Dirt Or Water In The Fuel Can Accelerate Wear And Lead To Internal Blockages Or Swelling.
• Mechanical Stress And Vibration: Improper Routing, Rubbing Against Other Parts Or Excessive Engine Movement Can Cause Abrasion And Leaks.
• Poor Clamps Or Connections: Broken Or Loose Clamps Allow Pressure Loss And Promote Leak Development At Fitting Points.

Search Engine Friendly Keywords: Overflow Hose, 1579GJ, 1.4 HDI 16V, Delphi Injection, Citroën C3, Peugeot 1007, Fuel Return Hose.

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.

The overflow hoses (Leak-off) for 1.6 E-HDI engines return excess diesel from the injectors back to the fuel system. This original part of the Citroën and Peugeot cars is designed for variants with the Siemens VDO/Continental (Euro 5) injection molding system and solves typical leak problems in older hoses – naphta around the injectors, fuel odor in the engine compartment or deteriorated after a long time.

The

part is ideal for models with 1.6 E-HDI engine, such as Citroën C4 (I / II), C4 Picasso, or Peugeot 308, 3008 I and 5008 I. Before ordering, always verify agreement according to OEM codes 1574.c / 1574.HX (or without dot 1574cc / 1574HX) the original bundle in the vehicle.

It is worth replacing: rubber hoses will harden over time, micro-lane especially for T-clutch and quick couplings and begin to release. Replacement to restore the tightness of the low -pressure branch of the overflow, eliminate fuel leaks, improve cold starts and maintain cleaner engine compartment. This is a frequent service for the 1.6 E-HDI 5 engines.

Mounting tips: Work on a cool engine, clean the injectors in advance to prevent dirt from getting into the joints. Carefully release the old quick couplings, replace the bundle as a whole and guide it in the original holders without stress. After starting, check the possible leaks on all connections. No control unit coding is needed, it is a mechanical replacement of a low -pressure part.

This original part is suitable as a direct replacement for a damaged or leaking fuel overflow. The most common symptoms of defects: humid injectors, diesel odor, tubing drops, bubbles in fuel return, difficult starts after a longer outage.

Technical information

• Manufacturer: PSA / OEM (Siemens VDO – Continental)
• Model: engines 1.6 e-HDI Euro 5 (DV6C) with Siemens VDO/Continental
• Product codes: 1574.cc, 1574cc, 1574.HX, 1574HX
• Other numbers: Euro 5, DV6C, Leak-Off (overflow) Injectors

Compatibility by use: Citroën C4, C4 II, C4 Picasso; Peugeot 308, 3008 I, 5008 I-always for versions with 1.6 E-HDI Euro 5 and Siemens VDO/Continental. To be sure of conformity, we recommend that you follow the above -mentioned OEM codes and shape/number of injectors connections.

sought expressions: overflow hoses 1.6 e-HDI, injectors, fuel return hoses, leak-off psa, 1574cc, 1574HX, Siemens VDO Continental, Citroën Peugeot 1.6 HDI Euro 5.

This fuel supply pipe is designed for vehicles equipped with the Delphi fuel system and the 1.4 HDi 66 kW engine. It provides a direct-fit replacement that restores secure fuel delivery and sealing between fuel system components, helping to prevent leaks and maintain proper engine performance. Ideal for professional workshops and skilled DIY mechanics who need a reliable, correctly sized fuel line for Citroën and Peugeot applications.

The component carries the common part number used in many spare-part lookups, making it quick to find when searching by code. It is intended to replace worn or damaged feed lines that can cause poor fuel flow, fuel smell in the engine bay, or starting and idle issues. Installation is straightforward for anyone familiar with diesel fuel systems, but must be carried out with care due to fuel pressure and flammability.

Technical Information

• Manufacturer: Delphi
• Model: Citroën C3; Peugeot 1007 (1.4 HDi 66 kW)
• Product Codes: 1607147180
• Additional Numbers: NFP

Installation Recommendations

Work Safely: Perform the replacement in a well-ventilated area, away from open flames or sparks. Relieve Fuel Pressure And Isolate Electrical Supply Before Starting—remove the fuel pump fuse or relay and disconnect the negative battery terminal.

Replacement Steps (Overview):

• Depressurize the fuel system according to workshop procedure (crank engine after isolating pump or follow manufacturer instructions).
• Locate the faulty feed pipe and note routing and clamp positions for correct reassembly.
• Carefully disconnect fittings—catch spilled fuel and replace any sealing O-rings or gaskets with new parts.
• Install the new pipe following the original routing, secure clamps and fittings, and torque connections to specification where applicable.
• Reconnect the fuel pump circuit, prime the system if required, start the engine and inspect for leaks at operating pressure.

Use New Seals: Always fit new O-rings/seals at each connection and lubricate them lightly with clean diesel or manufacturer-recommended lubricant to ensure a proper seal. After installation, run the engine and check for leaks before road testing.

Why This Part Fails Most Often

• Age And Material Degradation: Plastic or rubber components harden and crack over many years, especially when exposed to heat cycles under the hood.
• Corrosion And Contaminants: Metal fittings and clips can corrode; debris in the fuel can damage seals and fittings leading to leaks.
• Vibration And Mechanical Stress: Incorrect routing, missing clamps, or engine/transmission movement can fatigue the pipe or its connections.
• Improper Installation: Reusing old seals or overtightening connectors can cause leaks or damage.

Signs That The Fuel Supply Pipe Needs Replacement: Visible fuel leaks, strong diesel smell in the engine bay, difficulty starting, rough idle, or fuel pooling under the vehicle. Replacing the feed pipe and all associated seals usually resolves these symptoms when they are caused by a damaged fuel line.

This part is typically searched by its product code (1607147180). Ensure the vehicle specification matches the 1.4 HDi 66 kW Delphi system when selecting this item to guarantee correct fitment.

This direct-fit kit of injection pipes and fuel hoses is designed for PSA 1.6 e-HDi EURO5 diesel engines and provides a reliable fuel delivery path between the fuel filter, pump/rail and injectors where applicable. Ideal for professional workshops and experienced DIY mechanics, the assembly is referenced under OE numbers 9808083480, 1574HV and 1574EL and is commonly sought for routine repairs and leak remediation. Replacing worn or damaged lines restores correct fuel pressure, prevents leaks and eliminates drivability issues such as rough idle or loss of power.

Compatible Models

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

Technical Information

• Manufacturer: Stellantis (Citroën/Peugeot)
• Model: 1.6 e-HDi EURO5 Engines
• Product Codes: 9808083480, 1574HV, 1574EL
• Additional Numbers: 1574EL, 1574HV, 9808083480
• Type: Injection Pipes And Fuel Hoses (supply and low-pressure connections where applicable)
• Material: Reinforced Fuel Hoses And Steel Injection Tubes

Installation Recommendations

Work should be carried out by a competent technician or an experienced DIY mechanic with appropriate tools. Key steps and safety points:

• Depressurize The Fuel System Before Disassembly To Avoid Spray And Fire Risk.
• Work In A Well-Ventilated Area And Keep All Ignition Sources Away.
• Drain Or Catch Residual Fuel And Dispose Of It According To Local Regulations.
• Replace Sealing O-Rings And Clamps When Fitting New Hoses/Pipes To Ensure Leak-Free Joints.
• Clean Mating Surfaces And Inspect Connectors For Corrosion Or Damage Before Assembly.
• Tighten Fasteners And Clamps To Manufacturer Torque Specifications Where Specified; Avoid Over-Tightening Plastic Fittings.
• After Installation, Prime The Fuel System And Check Carefully For Leaks At Idle And Under Load.

Why The Part Fails Most Often

• Aging And Heat Degradation: Rubber hoses Harden, Crack Or Swell Over Time Due To Heat Cycles And Diesel Exposure.
• Vibration And Mechanical Stress: Repeated Vibration Can Loosen Clamps Or Cause Fatigue At Bends/Connections.
• Contamination: Particles Or Water In Fuel Accelerate Wear On Seals And Internal Surfaces.
• Corrosion Of Metal Lines Or Fittings: Leads To Pinholes Or Failed Connections, Especially On Older Vehicles.
• Improper Previous Repairs: Incorrect Clamps Or Poor Routing Can Cause Rubbing And Early Failure.

Search And Fitment Tips

This component is frequently searched by OE numbers 9808083480, 1574HV and 1574EL. When ordering, verify the engine variant (1.6 e-HDi EURO5) and the vehicle model/year to ensure correct fitment. Replacing the complete set of hoses and associated seals at the first sign of wear reduces the risk of repeated workshop visits and fuel leaks.

High-quality replacement fuel return hose and associated fuel pipes designed for the 1.6 E‑HDi EURO5 diesel engines used in many Citroën and Peugeot models. This part restores proper fuel circulation and pressure balance in the fuel system, helping to prevent fuel leaks, air ingress and poor engine running. Ideal for professional workshops and competent DIY mechanics searching by product codes 9808082280 or 1574HS.

Benefits And Application

This fuel hose assembly is manufactured to match the original routing and connection types used on 1.6 E‑HDi EURO5 engines. It provides a direct-fit replacement to maintain correct fuel return flow from the fuel rail back to the tank or return line, ensuring stable fuel pressure and reliable engine operation. The part is suitable for mechanics who need a ready-to-fit solution when repairing fuel systems on Citroën and Peugeot vehicles.

Technical Information

• Manufacturer: Stellantis (Citroën/Peugeot)
• Model: 1.6 E‑HDi (EURO5)
• Product Codes: 9808082280, 1574HS
• Additional Numbers: 1574HS | 9808082280

Compatibility

• Citroën C3 Picasso
• Citroën C4
• Citroën C4 II
• Citroën C4 Picasso
• Peugeot 3008 I
• Peugeot 301
• Peugeot 308
• Peugeot 5008 I

Installation Recommendations

1. Work In A Well‑Ventilated Area And Avoid Open Flames Or Sparks; Wear Appropriate Personal Protective Equipment.
2. Relieve Fuel System Pressure Before Disconnecting Any Lines To Prevent Fuel Spray.
3. Carefully Remove Clamps And Fasteners; Use The Correct Tools To Avoid Damaging Connectors.
4. Replace Any O‑Rings Or Seals At Junctions And Fit New Clamps If The Old Ones Are Corroded Or Deformed.
5. Ensure Proper Routing To Avoid Contact With Hot Components Or Sharp Edges; Secure The Hose With Original Clips Or Equivalent Fasteners.
6. After Installation, Prime The Fuel System If Required, Start The Engine And Inspect All Connections For Leaks.

Why The Part Typically Fails

Fuel hoses and pipes commonly deteriorate due to long‑term exposure to heat, vibration and chemical ageing from fuel additives or contamination. External abrasion, chafing against other components, cracked or weakened rubber, and degraded clamps or clips are frequent causes of leaks. Failures are often noticed on higher‑mileage vehicles or after previous repairs where routing or clamp condition was not restored correctly.

Practical Tips For Mechanics

• Inspect The Entire Fuel Line Run During Replacement To Identify Any Additional Wear Points.
• Consider Replacing Associated Small Hoses, Clips And Seals At The Same Time To Avoid Repeat Visits.
• Use Compatible Fuel‑Resistant Clamps And Ensure Clamps Are Tightened Securely But Without Over‑Compressing The Hose.
• Check For Any Residual Contamination In The System; If Fuel Filter Is Old, Replace It During The Same Service.

Over time, overflow hoses may degrade due to exposure to heat and fuel, which can lead to leaks and potential engine issues. It is advisable to replace these hoses every few years or at the first sign of wear and tear to maintain peak engine performance.

When replacing the overflow hoses, be sure to handle them with care, and check for any additional signs of damage in surrounding components. Keeping these hoses in good condition is crucial for the proper functioning of your fuel system.

Technical Information

• Manufacturer: PSA
• Model: Citroen and Peugeot
• Product Codes: 1574Q5
• Other Numbers: N/A