MR21819B
THRU BOLT
Superseded — find replacement
Used in (5 locations)
| Schematic | Engine / Path | Qty |
|---|---|---|
| Lower Unit Assembly (109# - Var/Rev) (MXF397032) | Mercury Marine [Updated: Apr. 10, 2026] / Trolling Motor / MotorGuide Great Whit | 2 |
| Lower Unit Assembly (109# - Variable) (M879329T) | Mercury Marine [Updated: Apr. 10, 2026] / Trolling Motor / MotorGuide Lenco Seri | 2 |
| Lower Unit Assembly (80# - Variable) (M879322T) | Mercury Marine [Updated: Apr. 10, 2026] / Trolling Motor / MotorGuide Lenco Seri | 2 |
| Lower Unit Assembly (109# - Var/Rev) (MXC397032) | Mercury Marine [Updated: Apr. 10, 2026] / Trolling Motor / MotorGuide Salt Water | 2 |
| Lower Unit Assembly (109# - Var/Rev) (MXF397032) | Mercury Marine [Updated: Apr. 10, 2026] / Trolling Motor / MotorGuide Salt Water | 2 |