New Arrivals/Restock

SEI Marine Products-Compatible with Mercury Mariner Gear Set 43-859321A3 43-859322A 1 1.75 Ratio 200 225 250 HP 3.0L

flash sale iconLimited Time Sale
Until the end
18
24
56

$294.56 cheaper than the new price!!

Free shipping for purchases over $99 ( Details )
Free cash-on-delivery fees for purchases over $99
Please note that the sales price and tax displayed may differ between online and in-store. Also, the product may be out of stock in-store.
New  $490.93
quantity

Product details

Management number 215450711 Release Date 2026/04/12 List Price $196.37 Model Number 215450711
Category

This gear set replaces OE# 43-859321A3 and 43-859322A 1 and fits standard rotation 3.0L V6 200-250 HP Mercury and Mariner outboard lower units. This is a 1.75 gear ratio non-ratcheting gear set and has a 12/21 tooth count. It includes the forward gear bearing (3.265" OD) assembly.

  • This gear set replaces OE# 43-859321A3 and 43-859322A 1 and fits standard rotation 3.0L V6 200-250 HP Mercury and Mariner outboard lower units. This is a 1.75 gear ratio non-ratcheting gear set and has a 12/21 tooth count. It includes the forward gear bearing (3.265" OD) assembly.
Brand SEI Marine Products
Model 2
Item Weight 5 pounds
Manufacturer SEI MARINE PRODUCTS
OEM Part Number 43-859321A3, 43-859322A1
Manufacturer Part Number 91-216-03AKS

Correction of product information

If you notice any omissions or errors in the product information on this page, please use the correction request form below.

Correction Request Form

Product Review

You must be logged in to post a review