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- SPECIFIC DESIGN – The L05 extended pin box is specifically configured to replace 1621HD 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 1621HD 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 an 18,000 lb. weight capacity, the L05 extended 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 extended pin box is a direct replacement for your Lippert 1621HD pin box on your 5th wheel trailer. It has a gross vehicle weight (GVW) rating of 18,000 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 extended 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 extended pin box is the quick, easy solution for your 1621HD pin box replacement.
- Direct replacement for Lippert 1621HD 5th wheel pin boxes
- King pin connects to any 5th wheel trailer hitch
- Steel construction and black powder coat finish that protects against rust
- 18,000-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) | 13 |
| Height (inches) | 16 |
| Length (inches) | 38 |
| Weight (pounds) | 170 |
| Weight capacity (pounds) | 18000 |
- What vehicles is the lippert l05 extended pin box compatible with? The Lippert L05 Extended Pin Box is designed to replace Lippert 1621HD pin boxes and its king pin connects to any 5th wheel trailer hitch, making it compatible with most 5th wheel trailers.
- What is the weight capacity of the lippert l05 extended pin box? The Lippert L05 Extended Pin Box has a weight capacity of 18,000 lbs, suitable for heavy-duty towing needs.
- How is the lippert l05 extended pin box installed? The Lippert L05 Extended Pin Box features a bolt-on installation that uses existing hardware and bolts into place along two rows of bolt holes for easy replacement.
- Is the lippert l05 extended pin box resistant to rust and weather? Yes, it is constructed with high-strength steel and finished with a black powder coating that protects against rust, ensuring durability in various weather conditions.
- Does the lippert l05 extended pin box come with the necessary hardware for installation? Yes, the Lippert L05 Extended Pin Box includes assembly hardware for straightforward installation.
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.






