Replace the jack leg on your HappiJac truck camper jack system with an exact-match part!
- Replacement jack leg for HappiJac truck camper system
- Available in two models: 4220 or 4820
- Plated and powder-coated outer tube resists corrosion
- Easy-to- access manual override with full 360-degree cranking
- Efficient, precision CAD design sustains quiet operation
- Upgradeable to electric
- Kit does not include the required HappiJac turnbuckles and stabilizing bar
- Please verify compatibility before purchase
The 4220 and 4280 screw jacks features square tubing. These replacement jack legs are designed for HappiJac truck camper jack systems, and include an outer tube that has been zinc-plated and then powder-coated for superior corrosion resistance. It also has a wiper at the bottom of the jack to help prevent debris from getting into the jack leg, and a zinc plated inner leg. All Happijac jacks have an electrical upgrade option.