This seatbelt switch harness is a direct-fit wiring assembly for the Peugeot 406, designed to restore reliable seat belt status detection and safety-system communication. Ideal for professional workshops and competent DIYers, the harness is commonly sought by product code 9632509080 or reference 6514YW. The replacement harness resolves buckle switch faults that trigger warning lights, intermittent buzzer warnings, or error entries in the vehicle safety systems.

Technical Information

• Manufacturer: Stellantis (Citroën/Peugeot)
• Model: Peugeot 406
• Product Codes: 9632509080, 6514YW
• Other Numbers: NFP

Function And Fitment

The harness connects the seatbelt buckle switch to the vehicle wiring loom and safety electronics. It transmits the buckle open/closed signal to the instrument cluster and the airbag/occupant detection systems so that seatbelt warning lamps and chimes operate correctly and safety logic receives accurate occupancy/belt status. This assembly is typically used on Peugeot 406 models where the original buckle wiring has been damaged, corroded, or where connector contacts have deteriorated.

Replacement Procedure

Replacement should be performed by a qualified technician or a skilled DIYer comfortable with interior trim removal and electrical connectors. Typical steps:

• Disconnect the vehicle battery before starting work to avoid short circuits and to protect airbag-related systems.
• Remove the necessary interior trim panels and seat mounting covers to access the buckle and harness routing.
• Unplug the original buckle connector and any intermediate connectors, noting routing and clips for reuse.
• Install the new harness following the original routing, secure clips and fasteners, and reconnect all connectors firmly.
• Reassemble trim, reconnect the battery, and verify operation: buckle latches, seatbelt warning lamp/chime, and check for stored fault codes with a diagnostic tool.

Installation Recommendations

• Always Disconnect The Battery Before Working On Safety Circuits.
• Preserve Original Routing And Fastening Points To Prevent Pinch Or Wear.
• Inspect Connector Contacts For Corrosion; Clean Or Replace Connectors If Required.
• After Installation, Use An OBD Diagnostic Tool To Clear Any Seatbelt-Related Fault Codes And Confirm Proper Communication With The Vehicle Systems.
• Replace Any Damaged Trim Clips Or Grommets To Avoid Noise And Future Harness Wear.

Why This Part Fails Most Often

• Mechanical Wear And Stress From Frequent Buckling/Unbuckling Leading To Broken Wires Or Fatigued Contacts.
• Moisture Ingress And Corrosion At Connectors, Especially In Vehicles Where Seats Or Carpets Have Been Exposed To Damp.
• Damage Caused By Seat Removal/Installation Or Accident Repairs When The Harness Is Not Re-Routed Or Secured Properly.
• Connector Contact Degradation Over Time Leading To Intermittent Signals And Warning Lights.

Notes For Professionals And Enthusiasts

Keep the product codes 9632509080 and 6514YW available when searching or ordering to ensure correct fitment. This harness is aimed at Peugeot 406 models; verify physical connector shapes and routing on the vehicle before final installation. Proper installation restores reliable seatbelt status reporting and eliminates nuisance warnings associated with faulty buckle wiring.

Product Overview

High-quality replacement left rear seat belt for the Peugeot 406, commonly searched by part number 8974CZ. This safety-critical component restores proper restraint for the rear driver-side passenger and is suitable for professional workshops and experienced DIY mechanics who require a correct-fit, reliable solution. The black FXX webbing matches factory interior colors and helps maintain a factory appearance while ensuring occupant protection.

Key Features And Benefits

• Direct fit for Peugeot 406 rear left (driver-side) seating position — simplifies installation and reduces modification time.
• Color FXX Black to match interior trim and preserve vehicle aesthetics.
• Ideal when the original belt is frayed, locked, or has deployed pretensioners after a collision.
• Part number search friendly (8974CZ) — quickly found by mechanics and parts departments.
• Restores full occupant restraint functionality when installed correctly.

Compatibility

Designed for Peugeot 406. Often located and ordered by product code 8974CZ. Please verify the belt position (left rear / rear driver side) before ordering to ensure correct fitment.

How To Replace

Replacement of a rear seat belt is a straightforward task for a trained technician or experienced DIYer with basic tools. Typical steps:

• Remove interior trim panels covering the belt retractor and lower anchor point.
• Unbolt the lower anchor and the retractor mounting bolts. Keep original fasteners if in good condition or replace with OEM-spec bolts.
• If the assembly includes an electrical connector (pretensioner), disconnect it carefully and follow safety precautions.
• Install the new belt in the reverse order, ensuring correct routing of the webbing through guides and trim.
• Tighten mounting bolts to the manufacturer’s torque specification and check the belt for smooth extraction and locking under rapid pull.

Installation Recommendations

• Always Inspect Mounting Points: Check anchor points and surrounding metal for deformation or corrosion and repair as needed before fitting the new belt.
• Battery Safety: If the belt assembly contains a pyrotechnic pretensioner, disconnect the vehicle battery and follow manufacturer safety procedures before starting work.
• Use Correct Torque: Tighten mounting bolts to the OEM torque settings—do not overtighten or under-torque.
• Do A Functional Test: After installation, ensure the belt retracts and locks correctly; perform a dynamic locking test (firm, quick pull) to confirm operation.
• Replace After Deployment: Any belt assembly that has been involved in a collision or has had pretensioners deployed must be replaced, not reused.

Most Common Failure Causes

• Wear And Abrasion: Webbing frays or weakens from repeated use, sharp edges, or contamination (dirt, chemicals).
• Retractor Seizure: Retractor mechanism can seize due to internal corrosion, dirt ingress, or spring/faulty locking components.
• Pretensioner Deployment: Belts are commonly replaced after an accident when pretensioners have fired.
• Mounting Damage: Bolts or anchor points can become bent or corroded—especially after impacts—compromising belt performance.
• Incorrect Use Or Tampering: Modifications, improper routing, or using incorrect fasteners can lead to premature failure.

Technical Information

• Manufacturer: Stellantis / Peugeot / Citroën
• Model: Peugeot 406
• Product Codes: 8974CZ
• Other Numbers: NFP

Final Notes

This left rear seat belt is a safety component — correct selection and professional installation are essential. The part number 8974CZ is frequently used when searching for replacements for the Peugeot 406 rear left position. Order now to restore proper occupant protection and maintain the vehicle’s safety standards.

Product Description

Replacement right rear seat belt (passenger-side rear) designed for Peugeot 406. This belt is supplied in FXX Black and is intended as a direct-fit replacement for the original equipment. Ideal for professional workshops and competent DIY mechanics who search by part number (e.g. 8974EC) to locate the correct component quickly.

Technical Information

• Manufacturer: Stellantis / Peugeot
• Model: Peugeot 406
• Product Codes: 8974EC, NFP
• Additional Numbers: N/A

Function And Typical Features

The seat belt is a three-point restraint that secures the rear passenger by using a webbing, retractor and anchor points. The inertia reel locks the belt during rapid deceleration to restrain the occupant, while the webbing and anchor hardware transfer loads into the vehicle structure. Color FXX Black provides an OEM appearance matching many Peugeot 406 interiors.

Installation Recommendations

Follow these general steps and safety precautions when replacing the seat belt:

1. Remove interior trim panels to access the retractor and lower anchor points.
2. Unbolt the old belt components using the correct sized sockets and keep mounting bolts for inspection—replace if damaged or corroded.
3. Fit new belt ensuring webbing is routed without twists and the retractor is oriented correctly.
4. Tighten all mounting bolts to the manufacturer’s torque specifications and check that anchors are free of corrosion or deformation.
5. Operate the belt several times to confirm smooth extension/retraction and proper locking during a sharp pull test.

Safety Note: If the vehicle is equipped with a pretensioner or pyrotechnic components, disconnect the battery and follow the vehicle manufacturer’s service procedure before starting work. Where doubt exists, have installation performed by a qualified technician.

Reason Why This Part Most Often Fails

• Webbing Wear And Contamination: Fraying, cuts or contamination (dirt, grease) reduce effectiveness and cause jamming.
• Retractor Malfunction: Internal springs, locking pawls or inertia mechanisms can seize due to corrosion or ingress of debris.
• Accident Deployment: Pretensioners deploy in collisions and the belt assembly must be replaced after deployment.
• Corroded Mounting Points: Rusted bolts or anchor points can compromise safe mounting and lead to replacement.

Inspection And Maintenance Advice

Inspect seat belts regularly for cuts, frays, stains or uneven wear. Check that the webbing retracts fully and that the locking mechanism engages during a quick pull. Replace any belt that shows damage or after a vehicle impact. Keep mounting hardware clean and torque bolts to specification during any service.

Search And Compatibility Tips

Common search terms used by mechanics and DIYers: “Peugeot 406 seat belt”, “right rear seat belt Peugeot 406”, “8974EC seat belt”, “FXX Black seat belt”. Searching by the product code 8974EC often yields the fastest match for this exact assembly.

The belt features a FEX- – Beige Terre de Cassel color, seamlessly integrating with the interior of your Peugeot 406.

Technical Information

• Manufacturer: PSA CITROEN PEUGEOT
• Model: Peugeot 406
• Product Codes: 96384989EX, 8974CS
• Additional Numbers: Not specified

This seat belt is particularly prone to wear due to its constant use over time. Regular inspection and replacement are recommended to maintain optimal safety. The replacement process is straightforward, often requiring standard tools. Ensure that the new belt is installed correctly for maximum effectiveness.

The Left Front Seat Belt is compatible with various models of Peugeot 406, making it a perfect fit for your vehicle. Regular checks and replacements are recommended as seat belts can wear out over time due to exposure to sunlight and general use.

Installation is straightforward, allowing DIY enthusiasts and mechanics to replace the old or damaged belts without hassle. It’s crucial to replace seat belts when they show signs of wear to maintain the vehicle’s safety standards.

Technical Information

• Manufacturer: PSA Citroën Peugeot
• Model: Peugeot 406
• Product Codes: 96384991EX, 8974CV
• Other Numbers: 8974CV

Ensure your safety on the road with the reliable Left Front Seat Belt, a necessary addition to your Peugeot 406.

Over time, wiring harnesses can degrade due to various factors, including wear and tear, exposure to moisture, and electrical issues. It’s vital to replace faulty or damaged wiring to maintain the effectiveness of your seat belts, which are essential during collision events.

When replacing the wiring harness, it is advisable to follow the manufacturer’s guidelines to ensure a proper fit and functionality. Regular inspection of the seat belt system is recommended to prevent failures and enhance passenger safety.

Technical Information

Manufacturer: PSA
Model: Citroën Berlingo, Peugeot Partner
Product Codes: 8978FP
Additional Numbers: NFP

Product Overview

This left front pyrotechnic seatbelt assembly (driver’s side) is designed for Peugeot 406 vehicles and includes the pre-tensioner mechanism that activates in a collision to reduce occupant movement. Supplied as an original-style replacement for workshops and DIY mechanics, the unit restores proper restraint function after deployment or damage and is often searched for by part numbers 96233059XX and 8972S1.

Technical Information

• Manufacturer: Stellantis (Peugeot / Citroën)
• Model: Peugeot 406
• Product Codes: 96233059XX, 8972S1, NFP
• Additional Numbers: 8972S1, 96233059XX

Function

The assembly combines the seatbelt retractor and a pyrotechnic pre-tensioner. In the event of a qualifying impact the pyrotechnic charge rapidly tightens the belt webbing to secure the occupant and work together with the airbag system to reduce forward movement and improve occupant safety.

Compatibility And Fitment

Designed for installation on Peugeot 406 models equipped with a left front driver seatbelt pre-tensioner. The easiest way to confirm fitment is to match the product codes listed above (96233059XX / 8972S1) with the part referenced on the vehicle. Intended for professional fitment or experienced DIY mechanics familiar with SRS systems.

Replacement Procedure

• Follow Proper SRS Safety Precautions: Isolate the vehicle electrical system and follow manufacturer recommendations for disconnecting the battery before working on SRS components.
• Access Retractor: Remove the necessary interior trim panels and the B-pillar cover to expose the seatbelt retractor and mounting points.
• Disconnect Electrical Connector: Carefully unplug the pre-tensioner electrical connector. Inspect connector for corrosion or damage.
• Remove Mounting Bolts: Unbolt the retractor assembly using the correct tools. Keep note of bolts and replace any damaged fasteners with OE-spec parts.
• Fit New Unit: Position the replacement assembly, torque mounting bolts to the manufacturer’s specification, and reconnect the electrical connector ensuring a secure fit.
• Final Checks: Refit trim, reconnect the battery, and use a diagnostic scanner to verify SRS system status and clear any stored fault codes if present.

Installation Recommendations

• Work Should Be Performed By Qualified Personnel Or Experienced DIY Mechanics Comfortable With Airbag/SRS Systems.
• Always Use Correct Torque Values And Replace Any Damaged Or Stretched Fasteners.
• Do Not Attempt To Disassemble Or Modify The Pyrotechnic Pre-Tensioner Unit.
• Inspect Connector Pins And Wiring For Corrosion; Repair Any Damaged Wiring Before Reuse.
• After Installation, Verify That The Airbag Indicator On The Dashboard Is Off Using A Diagnostic Tool.

Most Common Failure Reasons

• Deployment During A Collision: Once The Pyrotechnic Charge Has Fired, The Pre-Tensioner Must Be Replaced.
• Physical Damage Or Cut Webbing From Accidents Or Abrasion.
• Corrosion Or Electrical Connector Faults Leading To Pre-Tensioner Malfunction.
• Age-Related Wear: While Retractors Typically Last Many Years, Exposed Components Can Degrade Over Time.

Why Choose This Part

Replacing a damaged or deployed left front pyrotechnic seatbelt with the correct code-matching unit (96233059XX / 8972S1) ensures the restraint system performs as intended. The part restores driver-side protection for Peugeot 406 vehicles and is suitable for professional repairs or knowledgeable DIY replacements where SRS safety rules are observed.

High-quality replacement part for the Right Front Seat Belt Assembly on Peugeot 406. Designed for professional workshops and experienced DIY mechanics, this pyrotechnic pretensioner (product codes 96233060XX / 8972S2) restores the vehicle’s passive safety after a deployment or when the restraint system reports a fault. Precise fitment and original-type connectors make installation straightforward for technicians familiar with airbag and belt systems.

Technical Information

• Manufacturer: Peugeot (Stellantis)
• Model: Peugeot 406
• Product Codes: 96233060XX, 8972S2
• Other Numbers: 96233060XX, 8972S2

Compatibility

Compatible With: Peugeot 406 (Front Passenger Side). Typically fits model years 1995–2004 across sedan, estate and coupe variants where original equipment uses the listed part codes. Always verify fitment by matching the vehicle’s existing part code.

Function And Purpose

The pyrotechnic seat belt pretensioner is an active component of the occupant restraint system. In the event of a collision, an electrically initiated pyrotechnic charge retracts the belt webbing instantly to remove slack and position occupants optimally before airbag deployment. This reduces forward movement and improves restraint effectiveness.

How To Replace

• Disconnect the negative battery terminal and wait at least 10 minutes to allow the airbag system capacitors to discharge.
• Remove the interior trim around the B-pillar and seat area to access the pretensioner mounting point.
• Unbolt the pretensioner unit from its bracket and carefully disconnect the electrical connector.
• Install the new pretensioner in the correct orientation, reconnect the connector, and secure all fasteners following manufacturer torque specifications.
• Reassemble trim, reconnect the battery, and clear any airbag or seat belt fault codes using appropriate diagnostic equipment.

Installation Recommendations

• Work Should Be Performed By Qualified Personnel Or Experienced Mechanics: The unit contains a pyrotechnic element and is part of the airbag system.
• Safety First: Disconnect the battery and wait the recommended time before starting work. Do not use impact tools directly on the pretensioner and avoid striking or dropping the unit.
• Use Proper Tools And Torque Settings: Follow the workshop manual for correct fastener torques and connector seating to ensure reliable operation.
• After Installation: Use a diagnostic scanner to confirm the restraint system is fault-free and the airbag warning lamp is extinguished before returning the vehicle to service.

Why This Part Commonly Fails

Primary Causes Of Replacement:

• Deployment During A Collision: Pyrotechnic pretensioners Are Single-Use Components And Must Be Replaced After Activation.
• Electrical Or Connector Faults: Corroded Pins, Damaged Wiring Or Faulty Connectors Can Trigger Restraint System Errors.
• Water Ingress Or Corrosion: Moisture Can Degrade Electrical Contacts And Mechanisms Over Time.
• Physical Damage: Interior Repairs Or Improper Handling Can Damage The Unit Or Its Mounting.

Replacing the pretensioner with the correct part code ensures the restraint system performs as designed. This listing references the commonly used codes 96233060XX and 8972S2 for the Right Front Passenger Seat Belt Pretensioner on Peugeot 406.

Function: The pyrotechnic pretensioner contains a small pyrotechnic charge that, when commanded by the airbag control unit during a collision, fires and rapidly retracts the belt webbing to remove slack. This action reduces occupant movement and improves the effectiveness of the restraint system in the initial milliseconds of an impact.

When To Replace: Replacement is normally required after airbag deployment, if the airbag/SRS warning lamp is illuminated with stored pretensioner faults, or when the retractor or connector shows visible damage. Common failure causes on older PSA vehicles include corrosion, damaged or loose connectors beneath the seat, or internal activation of the pyrotechnic charge.

Fitment And Checks: Confirm compatibility by matching the OEM code 8972S2 and by comparing the mounting points, connector shape and lock/pretensioner location with the original unit. This pretensioner is intended for the right front position (passenger side on left-hand drive vehicles) and is controlled by the vehicle’s airbag control module.

Installation Notes (General Guidance):

• Always disconnect the negative battery terminal and wait several minutes to allow SRS capacitors to discharge before working on the restraint system. Work in an electrostatic-safe environment.
• Move the seat to its rearmost or forward-most position as required to access fasteners, remove seat mounting bolts and carefully disconnect electrical connectors under the seat (airbag/pretensioner).
• Replace the pretensioner assembly as a complete unit following the vehicle manufacturer’s service manual; check wiring and connector condition and secure all fastenings to the specified torque.
• After installation, reconnect the battery and use a diagnostic tool to clear airbag fault codes and verify the SRS system status.

Technical Information

• Manufacturer: PSA (Citroën / Peugeot)
• Model: Citroën Berlingo, Citroën Xsara, Citroën XM, Citroën Xantia; Peugeot Partner, Peugeot 306, Peugeot 406 (verify by OEM code and VIN)
• Product Codes: 8972S2; 8972.S2
• Other Numbers: 8972-S2; 8972 S2

Typical symptoms that indicate pretensioner issues: persistent airbag warning lamp, stored pretensioner fault codes in the airbag control unit, locked or rough seat belt retractor operation, or visible damage to the belt/connector. Always verify exact fitment and safety compatibility before installation.

Overview

This is a Left Front (Driver Side) Seatbelt assembly intended for Peugeot 406 vehicles. The part is commonly referenced by product codes 96407662XX and 8974CT, making it easy to find in searches and parts catalogs. The assembly includes the retractor mechanism, webbing, and upper/lower mounting points as applicable for the original equipment fitment.

Technical Information

• Manufacturer: Peugeot / Stellantis
• Model: Peugeot 406
• Product Codes: 96407662XX, 8974CT
• Other Numbers: NFP

Compatibility

Designed to fit Peugeot 406 models that use the original-type left front driver seatbelt. Always verify fit by matching the part numbers (96407662XX, 8974CT) with the vehicle parts list or repair documentation before ordering.

Function And Typical Failure Modes

The seatbelt assembly secures the occupant in the event of a collision, working together with the vehicle restraint system. Common failure modes include webbing wear or fraying, retractor jamming or failure to lock, damage to mounting hardware, and pretensioner activation in an accident. Contamination (dirt, grease) and exposure to sunlight or chemicals can accelerate webbing deterioration. After a collision, pretensioners and load-limiting features may be depleted and must be replaced rather than reused.

Replacement Procedure

Recommended Steps (Professional Or Experienced DIY):

• Park on level ground, engage parking brake and remove ignition key.
• Disconnect the battery and wait at least a few minutes to reduce risk when working near pretensioners or pyrotechnic components.
• Remove B-pillar trim and any covers to access upper anchor and retractor.
• Unbolt lower anchor and any mounting bolts securing the retractor. Keep hardware and note orientation for correct reassembly.
• Install the replacement belt in the same routing and orientation. Tighten all fasteners to the manufacturer’s torque specifications.
• Reinstall trim, reconnect the battery, and perform a functional check: smooth extension and retraction, proper locking under sudden pull, and correct buckle engagement.

If The Assembly Contains A Pretensioner, Follow Vehicle Manufacturer Safety Procedures And Dispose Of Any Deployed Components According To Local Regulations.

Installation Recommendations

• Wear protective gloves and eye protection when working on restraint systems.
• Always use the correct grade and length bolts and torque them to the manufacturer’s specification.
• Do Not Reuse Fasteners Or Pretensioners That Show Damage Or Have Been Subject To Crash Loads.
• After Replacement, Verify Belt Retraction, Locking, And Buckle Operation Before Returning Vehicle To Service.

Why The Part Most Commonly Fails

Seatbelts most often fail due to wear and tear, contamination or damage to the webbing, mechanical failure of the retractor (spring or locking mechanism), and aftereffects of collisions where pretensioners deploy. Improper handling, exposure to oils or chemicals, and long-term UV exposure also reduce service life. Regular inspection during routine service helps detect issues early.

Search Tips

Customers and technicians frequently search for this part using the codes 96407662XX and 8974CT or by vehicle model Peugeot 406. Including these codes in your search will improve results when looking for direct-fit replacements.