【Applicable Scenario】15in gas strut lift support work for Sungtop Leer ARE truck camper topper cap canopy, RV camper motorhome storage door boat seat engine hatch cover. Please refer to the oem part number and the size of your original 15in gas shock to purchase. 【Compatibility】15in truck camper topper gas strut compatible with the interchange numbers LGP6-150-40, 12182, 1641EN, 3853LU, 515040, 5150-40, 5234RC, 5668BA, 8195587, C1609208, C16-09208, C1611543, C16-11543, C1615065, C16-15065, C1621702, C16-21702, CS150040, CS1500-40, CS1500408, CS1500-40-8, GP51540, GS515040, LGP615040, ML13-40, ML33-40, SL13-40-1, SL33-40-1, SX150P-40, SE150P-40 【Product Basic Information】This listing includes 2 gas shock for Multi Purpose. Extended Length 15.0IN. This gas strut for camper shell is EZ to install. Only a flat head screwdriver is required. 【How to choose】Get the pound rating or OEM interchange number on your old cylinder, then measure the extended length of your old lift support. Compare the pound force, OE number, and measurement to the our 15in gas strut. 【Care from the Euplokeer brand】24 hour email response and 15 month product exchange service. Euploker is much more than that. Please feel free to contact us at any time with any questions. This listing includes 2 gas shock for Multi Purpose.