When it comes to securing commercial vehicles like the Ducato, Jumper, and Boxer X250/X290, owners and fleet managers are increasingly seeking robust aftermarket solutions to counteract vulnerabilities in factory-fitted locking systems. The SOLIDfy® Rear Door Lock H1/H2 Roof Burglary Protection module has emerged as a notable contender in this space, specifically designed to address the susceptibility of rear door locks to forced entry attempts. This evaluation delves into its key features, compatibility, and real-world performance, drawing insights from user experiences to provide a comprehensive overview.
Core Design and Compatibility
Engineered for vehicles with sliding rear doors or roof access points, the SOLIDfy® module integrates a hardened steel prong mechanism that obstructs unauthorised manipulation of the door latch. Its primary function is to prevent ‘pricking’ – a method where thieves exploit gaps in the door frame to trigger the internal locking mechanism using rudimentary tools. The device is compatible with Peugeot Boxer, Citroën Jumper, and Fiat Ducato models manufactured between 2006 and 2021 (X250 and X290 platforms), making it a versatile option for owners of older and newer iterations alike. Users have highlighted its precise fitment, with one noting, “The installation aligned perfectly with existing bolt holes, avoiding any need for drilling or modifications to the bodywork.”
Installation and Durability
The product arrives as a pre-assembled unit, simplifying the fitting process for those with intermediate mechanical skills. Installation typically involves removing the interior door panel, securing the module to the door structure using provided hardware, and reassembling components. While some recommend professional fitting to ensure optimal alignment, others praise its straightforward design: “Even with basic tools, it took under two hours to fit. The instructions were clear, though a diagram for wiring the optional alarm feed would’ve been helpful.” Constructed from galvanised steel and coated with anti-corrosion treatment, the SOLIDfy® resists weathering and tampering. Long-term users report minimal wear after 18 months of daily use, with one stating, “The mechanism remains smooth despite exposure to road salt and frequent use in all seasons.”
Security Performance
The module’s standout feature is its ability to physically block access to the door’s internal linkage system. By inserting a reinforced barrier between the exterior handle and latch mechanism, it foils attempts to ‘fish’ the lock using wires or slim tools – a common tactic in urban thefts. Fleet operators have observed a measurable reduction in break-in incidents post-installation, with one logistics manager commenting, “Since fitting these to our Ducato vans, attempted thefts have dropped by over 80%. The visible deterrent alone makes a difference.” Independent testing by automotive security specialists corroborates these claims, showing the device withstands sustained leverage attacks exceeding five minutes – a critical threshold given most thieves abandon efforts after two minutes.
User Considerations
While the SOLIDfy® excels as a mechanical countermeasure, users advise pairing it with electronic security systems for layered protection. A few noted that the module does not interfere with central locking functionality, allowing seamless integration with factory alarms or aftermarket GPS trackers. However, those with roof-mounted storage units should verify clearance, as one user mentioned, “The prong extends slightly higher than the original lock. Check for obstructions if you have custom roof racks.”
Conclusion
For Ducato, Boxer, and Jumper owners prioritising theft prevention without compromising daily usability, the SOLIDfy® Rear Door Lock module presents a pragmatic solution. Its combination of rugged construction, model-specific engineering, and passive deterrence addresses a well-documented vulnerability in these commercial vehicles. As urban vehicle crime evolves, such targeted upgrades remain essential for safeguarding assets. While no system is entirely impervious, user feedback and technical assessments suggest this modification significantly raises the difficulty threshold for would-be thieves – a vital advantage in protecting high-value cargo and equipment.
Stoplock Pro Elite Car Steering Wheel Lock HG 150-00 - Safe Secure Heavy Duty Anti-Theft Bar - Universal Fit - Includes 2 Keys and Carry Bag, Black/Yellow, 1 Unit
Tevlaphee Steering Wheel Lock Twin Bar, Steering Lock, Car Anti-Theft Device, High Visibility, Heavy Duty, Universal Fit, Adjustable Length,3 Keys(Yellow)
20% Off
Milenco HS Yellow Steering Wheel Lock
£71.06 (as of July 13, 2025 18:44 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
WHonor Faraday Pouch for Car Keys, Keyless Entry Signal Blocker, Anti-Theft RFID Blocking Key Fob Protector for Car Security (2 Pack)
27% Off
Disklok Gold Security Edition Car Steering Wheel Full Cover Anti- Angle Grinder Anti-Theft Lock Police Approved (Silver, Small 35cm - 39cm)
£169.99 (as of July 13, 2025 18:44 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
Xtremeauto Heavy Duty Steering Wheel Lock - Universal Car Anti Theft Lock, Elite Car Lock Anti-Theft Device, Van Crook Lock, Car Security Device, Car Lock Steering Wheel Devices with Two Keys
£24.99 (as of July 13, 2025 18:44 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
Car Steering Wheel Lock - Universal Anti-Theft Security Device Adjustable Length SUV Van Wheel Lock Vehicle Protection Suitable for Car Security Device with Two Keys (Yellow)
(as of July 13, 2025 18:44 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
Elsjoy Steering Wheel to Brake Lock with Keys, Anti-Theft Car Locking Device Universal Security Lock for Vehicle, Brake Pedal Lock for Car, Truck, SUV, Van
£21.99 (as of July 13, 2025 18:44 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
Tevlaphee Steering Wheel Lock, Steering Lock, Car Anti-Theft Device, Adjustable, Universal Fit, Heavy Duty Secure, 3 Keys, Emergency Hammer Window Breaker(Black)
20% Off
