1、Fitment: A Replacement gear box for universal mount landing gear on 5th wheel RVs. Directly fit for Stromberg Carlson landing gear (LG‑1, LG‑2, LG‑3, LG‑4, or LG‑183708). Directly fit for Lippert, for Venture, for Atwood and for Pac‑Rim landing gear systems. 2、OE Numbers: Landing gear box is the same size as the original parts LG 179015, 276602 and comes with a reduction box retainer and a bolt. You can directly replace it yourself and finish it in 10 minutes. 3、Excellent Performance and Long Service Life: 5th wheel RV gear box delivers excellent performance and has a long service life. Its aluminum construction not only provides durability but also ensures transmission stability. 4、Perfect Fit: The size and assembly of this landing gear box are designed to fit perfectly. The D shaped hole size and original pin match exactly, ensuring a stable installation and use. 5、OE Replacement: The landing gear box is manufactured in accordance with OE specifications, ensuring it meets or exceeds OEM standards. It can be directly installed, providing a hassle free replacement.