Alpha Gen 1 Lower Case 3.50″ O.D. Fwd Bearing is a replacement part for Mercruiser Sterndrive Lower Unit.
It replaces OE# 1623-8951A37.
For more mercruiser parts lookup or other outboard motor parts, please use our website search function.
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ARRIVALS
Outboard Lower Unit
HOT DEALS
SE 305 JOHNSON EVINRUDE REPLACEMENT GEARCASE 2.0:1 GEAR RATIO
Evinrude & Johnson Lower Unit, Evinrude & Johnson Lower Unit, Evinrude & Johnson Lower Unit Replacements, Lower Unit, StandardSKU: ST-90-305-AOriginal price was: $1,215.45.$1,095.00Current price is: $1,095.00.SE 306 REPLACES JOHNSON / EVINRUDE V6 W/1.83:1 RATIO
Evinrude & Johnson Lower Unit, Evinrude & Johnson Lower Unit, Evinrude & Johnson Lower Unit Replacements, Lower Unit, StandardSKU: ST-90-306-BOriginal price was: $1,215.45.$1,095.00Current price is: $1,095.00.-9%
Select options This product has multiple variants. The options may be chosen on the product pageYamaha 90 degree 150-200 HP
SKU: ST-90-416Original price was: $1,204.50.$1,095.00Current price is: $1,095.00.-10%
Select options This product has multiple variants. The options may be chosen on the product pageYamaha 76 degree 200-250 HP
SKU: ST-90-421Original price was: $1,215.45.$1,095.00Current price is: $1,095.00.-10%
Select options This product has multiple variants. The options may be chosen on the product pageYamaha 90 degree 150-200 HP Counter Rotation
SKU: ST-90-418$1,295.00-10%
Select options This product has multiple variants. The options may be chosen on the product pageYamaha 76 degree V6 200-250 HP Counter Rotation
SKU: ST-90-428Original price was: $1,437.45.$1,295.00Current price is: $1,295.00.SE 304 REPLACES JOHNSON / EVINRUDE EARLY MODEL V4 WITH 2.0:1
Evinrude & Johnson Lower Unit, Evinrude & Johnson Lower Unit, Evinrude & Johnson Lower Unit Replacements, Lower Unit, StandardSKU: ST-90-304-AOriginal price was: $1,215.45.$1,095.00Current price is: $1,095.00.SE308 JOHNSON EVINRUDE REPLACEMENT COUNTER ROTATION GEARCASE
Evinrude & Johnson Lower Unit, Counter Rotation, Evinrude & Johnson Lower Unit, Evinrude & Johnson Lower Unit Replacements, Lower UnitSKU: ST-90-308-BOriginal price was: $1,437.45.$1,295.00Current price is: $1,295.00.JOHNSON EVINRUDE V4 LARGE CASE 2.25 RATIO
Evinrude & Johnson Lower Unit, Evinrude & Johnson Lower Unit, Evinrude & Johnson Lower Unit Replacements, Lower Unit, StandardSKU: ST-90-306-COriginal price was: $1,215.45.$1,095.00Current price is: $1,095.00.-10%
Select options This product has multiple variants. The options may be chosen on the product pageYamaha 4 Stroke 115-130 HP
SKU: ST-90-405Original price was: $1,215.45.$1,095.00Current price is: $1,095.00.-10%
Select options This product has multiple variants. The options may be chosen on the product pageYamaha 250 HP 4 Stroke Counter Rotation
SKU: ST-90-429Original price was: $1,659.45.$1,495.00Current price is: $1,495.00.-10%
Select options This product has multiple variants. The options may be chosen on the product pageYamaha 250 HP 4 Stroke
SKU: ST-90-422Original price was: $1,437.45.$1,295.00Current price is: $1,295.00.Johnson / Evinrude 318 1.85 Counter Rotation (Replaces Johnson/Evinrude Magnum Units)
Evinrude & Johnson Lower Unit, Counter Rotation, Evinrude & Johnson Lower Unit, Evinrude & Johnson Lower Unit Replacements, Lower UnitSKU: ST-90-318-AOriginal price was: $1,659.45.$1,495.00Current price is: $1,495.00.SE 316 1.85 Replaces Johnson Evinrude Magnum Units
Evinrude & Johnson Lower Unit, Evinrude & Johnson Lower Unit, Evinrude & Johnson Lower Unit Replacements, Lower Unit, Standard RotationSKU: ST-90-316-AOriginal price was: $1,437.45.$1,295.00Current price is: $1,295.00.-10%
Select options This product has multiple variants. The options may be chosen on the product pageYamaha 75-100 HP/ F75/90A 4 Stroke Lower Unit 1999-2017
SKU: OBR-YA-G4-02$2,147.00 – $2,417.00-10%
Select options This product has multiple variants. The options may be chosen on the product pageYamaha VZ 200/225/250/300 HP V6 3.3L HPDI Lower Unit – 2003-2009
SKU: OBR-YA-G6-07B$3,600.00 – $3,800.00-15%
Select options This product has multiple variants. The options may be chosen on the product pageYamaha VF 200/225/250 HP V6 4 Stroke Lower Unit, 2010-2022
SKU: OBR-YA-G6-07$3,660.00 – $4,119.00-10%
Select options This product has multiple variants. The options may be chosen on the product pageYamaha V6 4 Stroke F225-300HP 4.2L 2010-2020
SKU: OBR-YA-G6-30Original price was: $4,780.00.$4,307.00Current price is: $4,307.00.-10%Hot
Select options This product has multiple variants. The options may be chosen on the product pageSE404 (REPLACES SOME YAMAHA 2-STROKE AND 4-STROKE 75-100 HP
SKU: ST-90-404Original price was: $1,215.45.$1,095.00Current price is: $1,095.00.-7%
Select options This product has multiple variants. The options may be chosen on the product pageYamaha 115 HP / 115A 4 CYL 4-STROKE 2014-2023
SKU: OBR-YA-G4-03$2,552.00 – $2,822.00SE 416, 2.0:1, 25″ DRIVESHAFT, FOUR STROKE SHORT SHIFT SHAFT
SKU: ST-90-416-B25FSOriginal price was: $1,215.00.$1,095.00Current price is: $1,095.00.
Yamaha 90 degree 150-200 HP
Original price was: $1,204.50.$1,095.00Current price is: $1,095.00.Add to cart -
Guppy Seascooter
SKU: NT-NAE23005J Class Seascooter
SKU: NT-NAE22750Marine 200 Seascooter
SKU: NT-NAE23200Marine 250 Seascooter
SKU: NT-NAE23250Marine 280 Seascooter
SKU: NT-NAE23280Marine 300 Seascooter
SKU: NT-NAE23300Marlin Seascooter
SKU: NT-NAE23003Navigator Seascooter
SKU: NT-NAE23001 -
Rubex 3 (9.25 x 7″) Solas RH Propeller, 9111-093-07
SKU: DM-910516
Saturn – Mercury (9.25 x 8″) Solas RH Propeller, 1121-093-08
SKU: DM-858211
Rubex NS3 (11.125 x 14″) Solas RH Propeller, 9331-111-14
SKU: DM-916140Rubex Hydro (13.125 x 18″) Solas RH Propeller, 9481-131-18
SKU: DM-917320
Rubex L3 (14.75 x 23″) Solas RH Propeller, 9571-148-23
SKU: DM-919095
Rubex 4 (14 x 21″) Solas RH Propeller, 9513-140-21
SKU: DM-912813
Rubex HR4 (13.25 x 15″) Solas RH Propeller, 9453-133-15
SKU: DM-917027
Rubex L4 (15.25 x 22″) Solas RH Propeller, 9573-153-22
SKU: DM-919778
SE116 COUNTER ROTATING LOWER (Replaces Mercruiser Gen II)
Original price was: $1,415.25.$1,275.00Current price is: $1,275.00.
Pin - Front
Original price was: $35.09.$31.90Current price is: $31.90.
-8%
Mercruiser Alpha One Gen 1 Lower Unit’s Lower Case (3.50″ O.D. Fwd Bearing)
Original price was: $900.00.$825.00Current price is: $825.00.
In stock
Description
Additional information
| Weight | 3.9 lbs |
|---|---|
| Dimensions | 6 × 6 × 6 in |
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