MerCruiser Alpha Gen 1 Outdrive (1973-1991)
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OEM MerCruiser Pinion Nut 11-35921
Mercury Marine / Quicksilver
$7.70 $6.31OEM MerCruiser Pinion Nut 11-35921 Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be accurateAll of our Mercury parts are sold and priced EACH- Part Number:
- 710-11-35921
- Availability:
- In Stock - Ships same or next business day.
- Fitment:
- .625-18
$7.70 $6.31 -
OEM MerCruiser Tapered Roller Bearing Gen 2 31-32575T 1
Mercury Marine / Quicksilver
$34.50 $26.26OEM MerCruiser Tapered Roller Bearing Gen 2 31-32575T 1 Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be accurateAll of our Mercury parts are sold and priced EACH- Part Number:
- 710-31-32575T1
- Availability:
- In Stock - Ships same or next business day.
$34.50 $26.26 -
Sold Out, please call for ETA.
OEM MerCruiser Water Pocket Gasket 27-558101
Mercury Marine / Quicksilver
$3.13OEM MerCruiser Water Pocket Gasket 27-558101 Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be accurateAll of our Mercury parts are sold and priced EACH- Part Number:
- 710-27-558101
- Availability:
- In Stock - Ships same or next business day.
$3.13 -
Sold Out, please call for ETA.
OEM MerCruiser Water Pump Sleeve-O/B 23-29804T
Mercury Marine / Quicksilver
$8.70 $6.96OEM MerCruiser Water Pump Sleeve-O/B 23-29804T Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be accurateAll of our Mercury parts are sold and priced EACH- Part Number:
- 710-23-29804T
- Availability:
- In Stock - Ships same or next business day.
$8.70 $6.96 -
OEM MerCruiser Bearing Carrier Needle Brg 31-30956T
Mercury Marine / Quicksilver
$19.49 $15.99OEM MerCruiser Bearing Carrier Needle Brg 31-30956T Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be accurateAll of our Mercury parts are sold and priced EACH- Part Number:
- 710-31-30956T
- Availability:
- In Stock - Ships same or next business day.
$19.49 $15.99 -
Sold Out, please call for ETA.
OEM MerCruiser Drive Gear Bearing 31-35988A12
Mercury Marine / Quicksilver
$383.99 $329.99OEM MerCruiser Drive Gear Bearing 31-35988A12 Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be accurateAll of our Mercury parts are sold and priced EACH- Part Number:
- 710-31-35988A12
- Availability:
- In Stock - Ships same or next business day.
$383.99 $329.99 -
OEM MerCruiser Lower Driveshaft Bearing-Alp 31-42647A 1
Mercury Marine / Quicksilver
$63.50 $47.31OEM MerCruiser Lower Driveshaft Bearing-Alp 31-42647A 1 Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be accurateAll of our Mercury parts are sold and priced EACH- Part Number:
- 710-31-42647A1
- Availability:
- In Stock - Ships same or next business day.
$63.50 $47.31 -
Sold Out, please call for ETA.
OEM MerCruiser Shift Shaft Bushing Oil Seal 26-89236 1
Mercury Marine / Quicksilver
$12.69OEM MerCruiser Shift Shaft Bushing Oil Seal 26-89236 1 Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be accurateAll of our Mercury parts are sold and priced EACH- Part Number:
- 710-26-892361
- Availability:
- In Stock - Ships same or next business day.
$12.69 -
OEM MerCruiser Water Pump Housing Rubber Ring O/B 25-30271 25-8M0214918
Mercury Marine / Quicksilver
$2.00 $1.99OEM MerCruiser Water Pump Housing Rubber Ring O/B 25-30271 25-8M0214918 Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be accurateAll of our Mercury parts are sold and priced...- Part Number:
- 710-25-8M0214918
- Availability:
- In Stock - Ships same or next business day.
$2.00 $1.99 -
OEM MerCruiser Bearing Carrier Keyed Wash 14-79447
Mercury Marine / Quicksilver
$13.20 $9.50OEM MerCruiser Bearing Carrier Keyed Wash 14-79447 Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be accurateAll of our Mercury parts are sold and priced EACH- Part Number:
- 710-14-79447
- Availability:
- In Stock - Ships same or next business day.
$13.20 $9.50 -
On SaleSpecial Order! See availability for details
OEM MerCruiser Washer 12-29245 12-8M0204649
Mercury Marine / Quicksilver
$1.20 $0.87OEM MerCruiser Washer 12-29245 12-8M0204649 Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be accurateAll of our Mercury parts are sold and priced EACH- Part Number:
- MM-12-8M0204649
- Availability:
- See Special Order Details
- Fitment:
- .281 x .500 x .060
$1.20 $0.87 -
Sold Out, please call for ETA.
OEM MerCruiser Water Inlet Plate Screw 10-76156
Mercury Marine / Quicksilver
$3.45OEM MerCruiser Water Inlet Plate Screw 10-76156 Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be accurateAll of our Mercury parts are sold and priced- Part Number:
- 710-10-76156
- Availability:
- In Stock - Ships same or next business day.
- Fitment:
- #10-32 x 1.88
$3.45 -
OEM MerCruiser Face Plate Gasket-O/B 27-858524
Mercury Marine / Quicksilver
$3.90 $3.84Water pump gasket 858524 For use on MerCruiser 1, R, MR and Alpha One stern drives (s/n 2495186 through 0D469858), Mercury and Mariner 65 hp (4-cylinder) through V-6 outboards with short-vane water pump impellers. Change seals and gaskets when...- Part Number:
- 710-27-858524
- Availability:
- In Stock - Ships same or next business day.
$3.90 $3.84 -
Sold Out, please call for ETA.
OEM MerCruiser Gearcase Seal Kit O/B 26-89238A2
Mercury Marine / Quicksilver
$93.50 $68.52OEM MerCruiser Gearcase Seal Kit O/B 26-89238A 2 Gearcase seal kit 89238A2 is for Mercury and Mariner 135 hp through 150 hp V-6 outboards (serial number 0A904646 and newer) and 175 hp through 200 hp V-6 outboards (serial number 6618751 and newer).- Part Number:
- 710-26-89238A2
- Availability:
- In Stock - Ships same or next business day.
$93.50 $68.52 -
OEM MerCruiser Water Pump Gasket 27-8M0090319
Mercury Marine / Quicksilver
$4.00 $3.90OEM MerCruiser Water Pump Gasket 27-8M0090319. Water pump gasket 8M0090319 Change seals and gaskets when servicing or replacing water pump impellers. See your owner's manual or service manual for more information.- Part Number:
- 710-27-8M0090319
- Availability:
- In Stock - Ships same or next business day.
$4.00 $3.90 -
OEM Quicksilver/Mercury Bearing Car Retaining Nut 8M2011027 8M2000347 8M0168577
Mercury Marine / Quicksilver
$40.92 $34.99OEM Quicksilver/Mercury Bearing Car Retaining Nut 8M2011027 8M2000347 8M0168577 Bearing carrier retainer nut 8M2000347 is for use on MerCruiser Bravo I and Bravo II stern drives to hold the bearing carrier in place inside the lower unit of the...- Part Number:
- 710-8M0168577
- Availability:
- In Stock - Ships same or next business day.
$40.92 $34.99 -
Sold Out, please call for ETA.
OEM Quicksilver/Mercury Gear Housing Insert - Alpha 1 - Port - 934241
Mercury Marine / Quicksilver
$9.00 $7.99OEM Quicksilver/Mercury Gear Housing Insert-Alpha 1 - Port 93424 1 Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be accurateAll of our Mercury parts are sold and priced EACH- Part Number:
- 710-934241
- Availability:
- In Stock - Ships same or next business day.
$9.00 $7.99 -
OEM MerCruiser D/S Housing Gear Chamber Oilseal 26-32511
Mercury Marine / Quicksilver
$23.17 $18.18OEM MerCruiser D/S Housing Gear Chamber Oilseal 26-32511 Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be accurateAll of our Mercury parts are sold and priced EACH- Part Number:
- 710-26-32511
- Availability:
- In Stock - Ships same or next business day.
$23.17 $18.18 -
OEM MerCruiser Driveshaft Oil Seal-O/B 26-16977
Mercury Marine / Quicksilver
$17.99 $14.34OEM MerCruiser Driveshaft Oil Seal-O/B 26-16977 Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be accurateAll of our Mercury parts are sold and priced EACH- Part Number:
- 710-26-16977
- Availability:
- In Stock - Ships same or next business day.
$17.99 $14.34 -
Special Order! See availability for details
OEM MerCruiser Pinion Gear Washer 12-92721
Mercury Marine / Quicksilver
$1.40OEM MerCruiser Pinion Gear Washer 12-92721 Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be accurateAll of our Mercury parts are sold and priced- Part Number:
- MM-12-92721
- Availability:
- See Special Order Details
$1.40
MerCruiser Alpha Gen 1 Outdrive
The Mercruiser Alpha One lives up to its reputation as “the world’s most popular sterndrive” by delivering reliable speed and performance in a value-priced package. Used for single and twin engine applications, the Alpha One Gen 1 outdrive cuts through the water thanks to a super-efficient hydrodynamic profile producing very little drag and increased fuel efficiency. Made to power boats capable of speeds up to 65 mph with up to 300hp gas engines (or 150hp diesel engines). Variety of maintenance-free features such as an integrated water pump and permanently lubricated pivot points help take the stress out of boat ownership. Replaces MerCruiser Gen 1 Alpha outdrives from 1974-1991. Available in the following gear ratios:
- 1.47/1.50 | 20-22 Tooth Count
- 1.62/1.65 | 24-24 Tooth Count
- 1.81/1.84 | 17-19 Tooth Count
- 1.94/1.98/2.00 | 20/24 Tooth Count
Enjoy quick response time and delivery when you purchase your MerCruiser Alpha 1 outdrive and accessories from PowerBoatSupply.com. 1-year OEM factory warranty against defects and workmanship. Propellers sold separately.
Mercury Alpha One features
Strength, versatility, and reliability make this budget-friendly outdrive propulsion system a popular choice year after year. Some highlight features of the Alpha 1 include:
- Slices through the water with minimal drag thanks to hydrodynamic lower unit
- Tri-Paint System (Irridite, EDP & Powder Paint) forms a long-lasting corrosion resistant barrier
- Maximum power with quiet operation thanks to noise-reducing Through-Prop exhaust
- Power Trim XD® system automatically returns the drive to the water so that you can maintain complete control of your boat even in choppy and rough water
- Drive lube monitor sounds the alarm when drive lube is low
- Refill lube without pulling your boat out of the water thanks to easy-inspection engine mounting
- Flexible options for using 3, 4 or 5 blade propellers in stainless steel or aluminum
- 300 HP (221 kW) maximum power capacity with a 15-inch diameter propeller
Mercury Marine Alpha Series
PowerBoatSupply.com is proud to have served boat owners and mechanic shops for over 35 years with high-quality outdrives and parts. Get prompt delivery on your Alpha Gen 1 or Alpha Gen 2 sterndrive, along with any other replacement MerCruiser parts you need to keep your boat in peak operating condition. We’re a Platinum-level Mercury dealer, and our knowledgeable customer service reps are ready to field any questions you may have about these products and which parts and accessories are right for your needs.