The OMRON 240107 fuel relay is a direct-fit electrical relay used to control the fuel pump circuit on a range of Citroën and Peugeot models. This used unit offers a cost-effective replacement for faulty relays and restores reliable fuel pump power delivery, ensuring proper engine start and operation. Ideal for professional workshops and DIY mechanics who search by part number (OMRON 240107, 19203N, 454935) to find a compatible and economical repair solution.

Key Features

• OEM-Grade Relay Manufactured By Omron.
• Direct Replacement For Select Citroën And Peugeot Models.
• Controls Fuel Pump Power Circuit; Compact And Plug-In Design.
• Used Part Supplied With Functional Warranty For Peace Of Mind.

Compatibility

Commonly Fitment Includes: Citroën C2, Citroën C3, Citroën C3 Pluriel, Citroën C4, Peugeot 207, Peugeot 307. Always check the vehicle’s relay layout and part numbers against the listed codes when ordering.

Symptoms Of A Failing Fuel Relay

• Engine Cranks But Does Not Start (No Fuel Pump Prime).
• Intermittent Stalling Or Loss Of Power While Driving.
• No Audible Click From Relay When Ignition Is Turned On.
• Fuel Pump Runs Intermittently Or Not At All.
• Electrical Smell Or Visible Signs Of Heat Damage Around Relay Socket.

Installation Recommendation

Designed For Fast Replacement In The Vehicle’s Fuse/Relay Box. Typical Replacement Steps:

• Ensure The Ignition Is Off. For Safety, Disconnect The Negative Battery Terminal Before Starting Work.
• Locate The Relay In The Appropriate Fuse/Relay Box (Engine Bay Or Interior Box Depending On Model).
• Inspect The Relay Socket And Wiring For Corrosion Or Heat Damage; Clean Or Repair As Needed.
• Pull The Old Relay Straight Out And Fit The OMRON 240107 Relay Firmly Into The Socket.
• Reconnect The Battery, Cycle The Ignition And Confirm Fuel Pump Priming And Engine Start.
• If Problems Persist, Check Fuse, Fuel Pump, And Wiring For Voltage And Continuity With A Multimeter.

Why This Part Most Commonly Fails

Fuel relays are electromechanical components subject to wear and electrical stress. Common failure causes include contact pitting and corrosion from repeated switching, overheating due to poor electrical connections or high current draw from an aging fuel pump, moisture ingress, and voltage spikes. Relays can remain functional for many years but typically become more likely to fail after long service life or exposure to harsh engine-bay conditions.

Technical Information

• Manufacturer: Omron
• Model: Fuel Relay 240107
• Product Codes: 240107
• Other Numbers: 19203N, 454935

Notes For Professionals And DIY Mechanics

This relay is commonly searched by its part numbers (OMRON 240107, 19203N, 454935) — include these codes in your diagnostics and parts search to quickly identify compatibility. For reliable repairs, inspect the relay socket and harness for signs of heat or corrosion before fitting a replacement. If electrical faults or intermittent symptoms remain after fitting the relay, perform voltage and continuity checks on the fuel pump circuit and related fuses.

Product Overview

Compact, reliable fuel pump relay from OMRON designed for a range of Citroën and Peugeot models. This unit switches power to the fuel pump and is supplied with a short length of wiring for easier replacement or repair of damaged connector leads. Ideal for professional workshops and competent DIY mechanics who need a direct-fit electrical relay that restores fuel system power without extensive modifications.

Key Benefits

• Direct replacement for common Stellantis applications—works with several Citroën and Peugeot models.
• Supplied with wiring stub to repair damaged connectors or to adapt the relay to the existing harness quickly.
• Easy plug-in exchange reduces vehicle downtime and labor costs.
• Trusted OMRON quality for electrical switching reliability in automotive environments.

Applications

Commonly used in the following models (verify compatibility by matching part numbers): Citroën Berlingo, Citroën C3 Pluriel, Citroën C4, Citroën Xsara Picasso, Peugeot 206+, Peugeot 307, Peugeot 308, Peugeot Partner.

Installation

Before working on any electrical component disconnect the negative battery terminal to avoid short circuits. Locate the fuel pump relay in the vehicle’s fuse/relay box (engine bay or under-dash depending on model) or near the fuel pump circuit. Remove the old relay by pulling it straight from the socket or releasing any retaining clips. Compare pin layout and part numbers, then plug the new OMRON relay into the socket. If using the supplied wiring piece, splice or crimp connections securely, protect joints with heat-shrink or proper insulation, and ensure correct routing away from heat sources and moving parts. Reconnect the battery and perform a function test: turn the ignition to the ON position and listen for the fuel pump prime and check for correct engine start.

Technical Information

• Manufacturer: OMRON
• Model: Citroën, Peugeot Applications
• Product Codes: 240107, 19203N, 454935
• Other Numbers: 1920.3N, 19203N, 454935

Recommended For Installation

Use quality crimp connectors or soldered joints covered by heat-shrink tubing when joining the supplied wiring to the vehicle harness. Verify pin alignment before powering the circuit. If the vehicle exhibits intermittent electrical faults, check the mating connector for corrosion or loose terminals and replace the connector if necessary. Torque any related fuse/relay box fasteners to manufacturer specifications and secure wiring away from high-temperature areas.

Why This Part Fails Most Often

Fuel relays typically fail due to worn internal contacts from repeated switching, overheating in high-current circuits, corrosion or moisture ingress in the connector, and vibration-induced fatigue. Short circuits or a failing fuel pump that draws excessive current can also overload the relay and shorten its service life. Regular inspection of the connector and harness, and addressing any fuel pump issues early, will extend relay life.

Suitable For Professionals And Experienced DIYers

This OMRON fuel relay is a practical replacement part for workshops and skilled do-it-yourselfers. Because it comes with a length of wiring, it is particularly useful when original connector leads are damaged or when a quick harness repair is needed during roadside or in-shop repairs. Always follow vehicle manufacturer guidelines when performing electrical repairs.

Regular checking and replacement of the fuel relay can prevent unexpected breakdowns and ensure the engine runs smoothly. The relay typically has a long service life, but environmental factors like heat and vibration can accelerate its deterioration.

Technical Information:

• Manufacturer: G.Cartier
• Model: BITRON
• Product Codes: 9629945980
• Additional Numbers: 240109, 19207L

This Fuel Relay is compatible with a range of Citroën and Peugeot models, providing a reliable solution for auto mechanics and DIY enthusiasts looking to repair their vehicles. Always verify fitment before purchasing to ensure compatibility with your vehicle’s specific model.

Designed to handle electrical currents efficiently, this relay plays a significant role in the operation of crucial systems like the fuel pump and ignition system. Regular replacement is recommended to prevent potential car issues, ensuring your vehicle runs optimally.

Technical Information

• Manufacturer: NAGARES
• Model: 9627326180
• Product Codes: 9627326180
• Additional Numbers: None available

Typically, electrical relays like the NAGARES 9627326180 may need replacement due to wear and tear, especially in older models. Failure symptoms may include problems with electrical systems, such as lights not functioning properly or issues with starting the engine. Regular checks are recommended to maintain optimal performance.

Technical Information

• Manufacturer: NAGARES
• Model: 9627326180
• Product Codes: 9627326180
• Additional Numbers: N/A

Replacing the relay is usually straightforward and involves disconnecting the battery, locating the relay in the fuse box, and removing it before installing the new one. Ensure you follow the vehicle’s manual for specific instructions to guarantee a safe and effective replacement.

Product Description

This Bitron fuel relay (part number 240109) is a direct replacement designed for certain Citroën and Peugeot vehicles and is supplied with a short wiring pigtail to simplify installation. The relay controls power supply to the fuel pump, ensuring reliable pump operation during engine start and running conditions. Built for professional workshops and experienced DIYers, this unit is ideal when the original relay shows signs of failure such as intermittent pump operation or no fuel pump activation.

Key Benefits

• Direct fit replacement for compatible Citroën and Peugeot models.
• Supplied with a wiring piece for easier connection and quicker installation.
• Useful spare for fast troubleshooting in the workshop — often searched by part number 240109 or 19207L.

Technical Information

• Manufacturer: Bitron
• Model: Citroën, Peugeot (e.g., Peugeot 607)
• Product Codes: 240109
• Additional Numbers: 19207L

Installation Recommendations

1. Always disconnect the vehicle battery before starting work to avoid short circuits and to protect vehicle electronics.
2. Locate the relay in the vehicle’s fuse/relay box. On many Citroën/Peugeot models the fuel relay is found in the engine bay fusebox or interior fuse panel—consult the vehicle’s fusebox diagram for exact location.
3. Remove the old relay and unplug its connector. If fitted, detach any retaining clips or brackets carefully to avoid breaking plastic parts.
4. Connect the supplied wiring pigtail to the relay and to the original connector, ensuring secure and corrosion-free connections. Fit the new relay into the socket firmly.
5. Reconnect the battery and prime the fuel system (turn ignition to ON for a few seconds) to check that the fuel pump activates and there are no warning lights or fault codes.
6. After installation, start the engine and monitor for correct operation and any abnormal noises. Re-check connectors for tightness after a short test drive.

Why This Part Commonly Fails

Fuel relays are electromechanical components and can fail for several typical reasons: contact wear caused by repeated switching, overheating from high current draw of an aging fuel pump, corrosion or moisture ingress at connector terminals, and electrical spikes or poor grounding. Symptoms of relay failure include no fuel pump activation, intermittent engine starting issues, or the pump running only sporadically.

Notes for Mechanics and DIYers

This relay is frequently identified by its part numbers (240109, 19207L) when searching spare part catalogs. For efficient workshop workflow, keep spare relays and short wiring pigtails in stock for models known to use this unit. If vehicle symptoms point to fuel delivery faults, confirm pump current draw and check wiring and fuses in addition to replacing the relay to avoid repeated failures.