Description
Product Overview
The Cartier glow plug relay is a critical electrical component for diesel PSA vehicles. This unit (part numbers 9663696380 / 598140) controls the high current feed to the glow plugs, ensuring rapid preheating for reliable cold starts. Supplied as a used part with a functional guarantee.
Key Benefits
- Direct fit for vehicles using the listed part numbers, saving time in diagnostics and replacement.
- Restores proper glow plug circuit operation to eliminate hard cold starts and extended cranking.
- Cost-effective solution suitable for professional workshops and experienced DIY mechanics.
When To Replace
Symptoms of a failing glow plug relay include prolonged cranking in cold weather, glow-plug or engine warning light illumination, and inconsistent cold-start performance. Relays commonly fail due to heat cycling, corrosion on contacts, water ingress, or damaged connectors.
Installation Notes
Replacement is straightforward for qualified technicians: disconnect the battery, locate the glow plug relay (typically in the engine bay or relay/fuse box), unplug electrical connectors, remove mounting fasteners, install the replacement relay, reconnect connectors and the battery, and verify correct operation. Follow vehicle-specific manuals for exact location, connector orientation, and torque values. Always observe safe working practices around high-current circuits.
Technical Information
Manufacturer: Cartier
Model: Citroën; Peugeot
Product Codes: 9663696380, 598140
Other Numbers: PSA references commonly use the above codes








