This propeller was acquired from a large inventory, this propeller is used & does have some cosmetic blemishes, (See Photos).

Mercury Vengeance 21P Left-Hand Stainless Steel Propeller 48-163194A4 | 15-Spline

Used Condition: This propeller is structurally sound but shows clear signs of real-world marine use. It is being sold exactly as pictured.
• Blades: There are cosmetic blemishes, surface scratches, and scuffs on each of the blades. The blade edges show normal wear from sand/sediment but are free from major cracks or severe structural impacts.
• Finish: There are minor areas of light surface rust/oxidation and water spotting common with used stainless steel marine hardware.

Item Specifics

• Brand: Mercury Marine / Quicksilver
• Series: Vengeance
• Part Number / MPN: 48-163194A4 (Stamping may show 48-16319A4)
• Pitch: 21" (21P)
• Diameter: 13.75"
• Rotation: Left-Hand (LH) / Counter-Rotation
• Number of Blades: 3
• Material: Stainless Steel
• Splines: 15-Spline Hub Configuration
• Condition: Used (Cosmetic blemishes, see description)

Up for sale is a genuine OEM Mercury Vengeance 3-Blade Stainless Steel Propeller. This is a high-performance, 21-pitch left-hand (counter-rotation) propeller designed primarily for dual-engine setups or specific single-engine configurations requiring an LH spin.
Crafted from Mercury’s premium 15-5 stainless steel, the Vengeance series provides superior durability, better top-end speed, and improved fuel efficiency compared to standard aluminum props. This barrel features a standard 15-spline configuration ready to drop onto compatible Mercury/MerCruiser prop shafts.

Please note that while this is a genuine OEM Mercury Vengeance series propeller, it does not have the word "Vengeance" stamped on the outer barrel.