1、Applicable Model: The trim ram end cap is for Mariner Generation 1 2 3 ram style trim units. Please confirm whether it is consistent with the product you want before buying to avoid unnecessary return. 2、OE Number: The part numbers for reference are 1100‑ 8M0021648, 99638A1, 8M0021648, 878243A1. Please confirm whether it is consistent with the OE you need to avoid wrong buying and other problems. 3、Durable Material: The tilt end cap seal is made of durable and reliable aluminium alloy material, after hard anodized surface treatment, rust and oxidization resistant, having a long service time. 4、Easy to Install: The end cap guide assy has a simple installation, convenient and time saving, don't need too much tools or complicated steps. 5、Ideal Replacement: The itrim cylinder tilt end cap is a perfect replacement for repairing, can directly replace the old and broken accessory, ensuring the normal operation of your boat.