End Cap/Guide Assy Fit for Mercury Mariner Generation 1, 2 & 3 3 Ram Style Trim Units Replaces 1100-8M0021648, 99638A1, 8M0021648, 878243A1 Fitment -- Perfect Suitable for Mercury Mariner Generation 1, 2 & 3 3 Ram Style Trim Units. Replacement -- Alternative to Part # 1100- 8M0021648, 99638A1, 8M0021648, 878243A1 of function and performance. Material -- Made from top quality Aircraft Grade Aluminum and Viton & High Grade Urethane Seals. Hard Anodized for anti-wear, rust resistance, anti-oxidation and the End Cap/Gland is Using A Military Grade Type 3 Hard Coating for professional level reliability and durability. Package Includes -- Tilt Cap/Gland with Seals. 100% Satisfaction Guarantee -- NONY committed to providing customers with a good product experience, if you are not satisfied with our products, simply return it for a full refund in 30 days. We support 12 months Warranty. Notes: Due to long shipping, the item may damage in transit, if the item damage, pls contact us firstly immediately before leave feedback, thanks for your understanding Due to the lighting effects and shooting angles, there is color difference in the product, please understand. Due to manual measurement, there is tolerance in the product size.