Citroen C4 DS4/DS5 Fuse Box (BSM) - Peugeot 508 - 9665878080

Protect and manage your car’s electrical system with confidence using the DDP AutoParts Battery Protection & Management Unit (OEM 9665878080), tailored for Citroen C4, DS4, DS5, and compatible Peugeot models. This advanced module combines battery protection, distribution, and fuse box functions into one unit to safeguard against overcurrent, voltage surges, and electrical faults. Built to match OEM specifications, it ensures reliable performance, secure power routing, and prevents damage to sensitive electronics. Easy to install and fully tested for durability, this is the premium replacement option to restore factory-level electrical safety and functionality.

OEM Number: 9811475080, 9666817380, 9815189480, 9665878080, 9665878280, 9805119280, 9665878380, 9805119780,

Quantity : 1

Our SKU: TC9665878080_94

All our Battery Protection Management Unit Fuse Box For Citroen C4 Ds4 Ds5 Peugeot 508 are OEM quality and reliable after market car parts. This Battery Protection Management Unit Fuse Box For Citroen C4 Ds4 Ds5 Peugeot 508 is specifically compatible with Citroën: C4, C4 Cactus, DS4, DS5, DS: DS 4 / DS 4 Crossback, DS5, Peugeot: 508, 508 SW, .

Please use our make-model-year tool to check this part's compatibility with your vehicle. However, please note that our tool is for reference only and we recommend that you check the part number on your old unit prior to purchasing.

If you are still not sure about the compatibility of this part to your vehicle, please supply us with the VIN number or Reg number in our live chat or contact form! You can also find details on our purchasing & shipping guide here.

❓ FAQs - DDP AutoParts Battery Protection / Management Unit (9665878080)

Q1: What vehicles is this protection unit compatible with?
This unit fits Citroen C4, DS4, DS5, and select Peugeot models that use the OEM number 9665878080. Always verify your vehicle’s existing part number before ordering.

Q2: What functions does this unit serve?
It handles multiple roles: battery protection (against overcharge or discharge), electrical distribution to circuits, fuse box protection, and fault isolation to protect sensitive electronics.

Q3: How do I know if this unit is faulty or failing?
Symptoms include:

• Electrical faults or warning messages on the dashboard

• Issues with starting the vehicle

• Blown fuses repeatedly

• Electrical accessories failing or intermittent behavior

• Voltage irregularities or system resets

Q4: Is calibration or coding required after installation?
In most cases, no additional coding or programming is required. The vehicle’s system should automatically recognize the new unit when installed correctly.

Q5: Is this an OEM original or aftermarket equivalent?
This is a premium aftermarket unit made to meet or exceed OEM specifications. It offers reliable performance and durability while being a cost-effective alternative to original parts.

Q6: How do I confirm it fits my vehicle?

• Compare your current module’s part number (should be 9665878080)

• Use the vehicle’s VIN or registration to check compatibility

• Contact DDP AutoParts support for fitment verification if unsure

Q7: What warranty does DDP AutoParts offer on this unit?
We back this protection unit with a 12-month warranty, covering manufacturing defects and failures under normal use.

Q8: How complex is installation?
Installation involves working with the vehicle’s primary fuse box and battery circuits, so care is needed with wiring and connector alignment. A professional mechanic is recommended unless you have strong automotive wiring experience.

Q9: What benefits can I expect after replacing a faulty unit?
You can expect restored electrical stability, fewer dashboard fault warnings, consistent power delivery to accessories, and protection of your vehicle’s electronics against overcurrent or voltage issues.

Q10: Why should I choose DDP AutoParts over generic sellers?
DDP prides itself on precise compatibility, strict quality control, reliable warranties, and expert customer support. Our parts are engineered to match OEM standards and tested for real-world durability, giving you confidence in your purchase.