Description
The HappiJac 736514 Single 4220 Acme Screw Jack is a durable replacement component designed to restore dependable performance to your truck camper jack system. Engineered for compatibility with HappiJac 4220 systems, this screw jack features a precision Acme-thread design for smooth, reliable operation when raising or lowering your camper. Its zinc-plated and powder-coated outer tubing provides enhanced resistance to corrosion, making it suitable for demanding outdoor conditions. Built for long-term durability and ease of use, this replacement jack leg helps ensure stable, secure camper support whether you’re setting up at the campsite or preparing for travel.
Features
- Direct replacement jack leg for HappiJac 4220 truck camper jack systems
- Precision Acme screw design ensures smooth, reliable lifting and lowering
- Zinc-plated and powder-coated tubing resists corrosion and outdoor wear
- Manual 360° crank operation for convenient use and control
- Durable construction engineered for long-term camper stability






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