High-quality replacement right headlight washer nozzle complete with cap and connecting hose, designed specifically for the Peugeot 308 (T7). This direct-fit part restores proper headlight washer function, improves spray coverage and protects the washer mechanism from dirt and moisture. Ideal for professional garages and DIY enthusiasts who search parts by product number — commonly referenced as 6438Y8, 6438Z0, 6439H8 or 6433C4.

Technical Information

• Manufacturer: Stellantis (Peugeot)
• Model: Peugeot 308 (T7)
• Product Codes: 6438Y8, 6438Z0, 6439H8, 6433C4
• Other Numbers: KTV, KTVD (referenced in part listings)
• Included Parts: Washer Nozzle (Right), Protective Cap, Connecting Hose
• Cap Colour: Painted Black Pearl Nera

Fitment And Application

Designed for the right-side headlamp washer system of Peugeot 308 T7 vehicles. Matches OEM mounting points and hose connections for an accurate fit. Customers often locate this part by one of the product codes listed above — include the code in your search to speed up finding the correct item.

Replacement Procedure

• Depressurize the washer system by removing the cap from the washer reservoir and operating the washer until flow stops.
• Access the rear of the bumper or inner wheel arch to reach the headlight washer assembly (removal of wheel arch liner or partial bumper removal may be required depending on vehicle setup).
• Disconnect the washer hose from the old nozzle and remove any retaining clips or fasteners holding the nozzle/cap in place.
• Install the new nozzle with cap and route the hose to the connection — ensure secure clamping and correct orientation of the nozzle.
• Refill washer fluid if needed, bleed air from the line by operating the washer, and verify correct spray pattern and absence of leaks.

Installation Recommendations

• Work On A Cool, Clean Surface: Protect surrounding paintwork and lenses from scratches or solvent damage.
• Use Correct Tools: Small trim tools and hose pliers simplify removal of clips and connectors.
• Check Hose Condition: Replace brittle or cracked hoses and secure all clips to prevent future disconnection.
• Test After Fitment: Verify nozzle alignment and spray coverage; adjust if spray misses the headlamp lens.
• Follow Manufacturer Procedures: When removing bumper panels, follow factory guidelines to avoid breaking clips or tabs.

Most Common Failure Reasons

• Clogging From Debris: Dirt, road salt, or deposits in the washer fluid can block the nozzle or jet, reducing spray effectiveness.
• Freezing And Cracking: Water left in lines or nozzles can freeze in cold climates, causing cracks or splits.
• Impact Damage: Stones and road debris striking the nozzle or cap can break the housing or dislodge the unit.
• Wear And UV Degradation: Plastic caps and hoses harden over time, leading to leaks or poor sealing.
• Poor Hose Connections: Loose or damaged hose fittings lead to loss of pressure and erratic spray.

This replacement nozzle is a practical, cost-effective way to restore headlight cleaning performance and maintain safe night-time visibility. Search using the OEM codes for fastest identification and order processing.

High-quality replacement left headlight washer nozzle designed for Peugeot 308 (T7). This complete unit includes the spray nozzle, painted cover cap and connecting hose, ready to install. Ideal for mechanics and DIY enthusiasts who search by product code—fitment and exact paint match help restore both function and appearance of the front lighting system. Compatible with original-style mounting and washer system, the nozzle ensures correct spray pattern and reliable cleaning of the headlamp lens.

Technical Information

• Manufacturer: Stellantis / Citroen / Peugeot
• Model: Peugeot 308 (T7)
• Product Codes: 6438Y7, 6438Z0
• Other Numbers: 6439H8, 6433C4, KTVD (cover/paint reference KTV)
• Included: Nozzle With Cover And Hose
• Cover Color: Black Perla Nera (Paint Code KTV)

Function And Application

The headlight washer nozzle is part of the windshield/headlamp washing system and is responsible for spraying washer fluid onto the left headlamp to remove dirt, salt and insects. Proper nozzle operation improves night visibility by keeping the lens clear and prevents haloing or streaking on xenon/LED units. The supplied painted cover provides an OEM visual match to the bumper.

Installation Recommendations

• Access: Gain access from behind the bumper or by removing the front bumper panel where necessary to reach the nozzle mounting point.
• Removal: Carefully depress retaining clips and pull the old nozzle out. Disconnect the washer hose by sliding off the quick connector or removing the clamp.
• Fitment: Connect the hose to the new nozzle, ensure a secure push-fit or clamp, then seat the nozzle into the bumper mount until clips engage. Check that the painted cover aligns flush with the bumper surface.
• Testing: After installation, operate the washer system to verify spray pattern, hose seal and that there are no leaks. Adjust nozzle orientation if spray is off-target.
• Tools: Basic hand tools, trim removal tools and a hose clamp plier may be required. Use care to avoid scratching painted surfaces.

Most Common Failure Reasons

• Clogging From Debris: Dirt, wax or mineral deposits inside the nozzle or hose restrict spray flow.
• Freeze Damage: In cold climates, fluid left in the line can freeze and crack the nozzle or hose.
• Impact Or Stone Damage: The cover or nozzle tip can be chipped or broken by road debris.
• Hose Deterioration Or Disconnection: Rubber hoses can harden or split, causing leaks or loss of pressure.
• Painted Cover Wear: Chips or paint damage from road wear affect appearance and may require replacement for visual match.

Replacement Frequency And Maintenance

There Is No Fixed Service Interval. Replace The Nozzle When Malfunctioning (Poor Spray, Leaks, Visible Damage Or Broken Cover). Regularly Flush The Washer System With Clean Fluid To Reduce Clogging. In Winter, Use Antifreeze Washer Fluid To Prevent Freezing Damage.

Notes For Search And Purchase

Search By Product Codes 6438Y7, 6438Z0, 6439H8 Or 6433C4 For Fast Identification. Ensure The Cover Paint Code KTV Matches Your Bumper Finish For Best Visual Fit. This Unit Is Supplied Complete With Hose And Cover For Direct Replacement On Peugeot 308 T7.

Why Choose This Part

Designed To Restore Both Function And Appearance Of The Left Headlight Washer System. A Straightforward Swap For Professional Workshops And Experienced DIYers Looking For A Precise Fit And OEM-Style Finish.