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- SPECIFIC DESIGN – The L05 standard pin box is specifically configured to replace 1621 pin boxes, and its king pin connects to any 5th wheel trailer hitch
- REPLACE TO RESTORE – This pin box is designed to replace old, worn out or damaged pin 1621 pin boxes. Swap out the old one, replace it, and get right back to enjoying the road
- BOLT-ON INSTALLATION – This Lippert extended pin box easily bolts onto a trailer using existing hardware, and bolts into place along two rows of bolt holes
- BUILT TO LAST – Constructed with steel and a black powder coat finish that protects against rust, this pin box is extremely long-lasting to ensure peaceful towing day after day
- POWERFUL STRENGTH – With a 15,500 lb. weight capacity, the L05 standard pin box has the strength needed to get through every journey, every time
Never miss a beat, even if your pin box becomes worn out, damaged, or simply old and ready to be replaced. The Lippert L05 standard pin box is a direct replacement for your Lippert 1621 pin box on your 5th wheel trailer. It has a gross vehicle weight (GVW) rating of 15,500 lbs. with a king pin that connects to any 5th wheel trailer hitch, so it is ready to help you tackle the adventures that lie ahead. Never worry, Lippert always has you covered.
Sit back, relax, and enjoy the ride knowing that this pin box will get the job done! It easily bolts onto your trailer using existing hardware, and bolts into place along two rows of bolt holes. Constructed with high-strength steel and finished with a black powder coating, the L05 standard pin box is the quick, easy solution for your 1621 pin box replacement.
- Direct replacement for Lippert 1621 5th wheel pin boxes
- King pin connects to any 5th wheel trailer hitch
- Steel construction and black powder coat finish that protects against rust
- 15,500-lb. weight capacity
- Bolt-on installation using existing hardware
- Assembly hardware included
- Made in the USA
- Note: Please consult your original equipment label before purchasing a new Lippert® pin box
| Finish | Black powder coat |
|---|---|
| Material | Steel |
| Width (inches) | 16.5 |
| Height (inches) | 18.5 |
| Length (inches) | 45.5 |
| Physical weight (pounds) | 115 |
| Weight capacity (pounds) | 15500 |
| Dimensional weight (pounds) | 83.67 |
- Is the lippert l05 pin box compatible with my existing 5th wheel trailer hitch? Yes, the Lippert L05 standard pin box has a king pin that connects to any 5th wheel trailer hitch.
- What is the weight capacity of the lippert l05 standard pin box? The Lippert L05 standard pin box has a weight capacity of 15,500 lbs.
- Can i install the lippert l05 pin box myself? Yes, the Lippert L05 pin box features bolt-on installation that uses your trailer's existing hardware, making it easy to install.
- What materials is the lippert l05 pin box made from? The Lippert L05 pin box is constructed with high-strength steel and finished with a black powder coat to protect against rust.
- Is the lippert l05 pin box a direct replacement for lippert 1621 pin boxes? Yes, the Lippert L05 pin box is specifically designed to be a direct replacement for Lippert 1621 pin boxes.
Factory-Fresh OEM Parts — the same brands installed in new RVs straight from Elkhart. Genuine, name-brand components made to order — never generic, never outdated. Sourced directly from the original RV manufacturers for perfect fit and factory-level quality.

