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Mercruiser Alpha One lower unit outdrive repair cost

Basic repair cost for Alpha One lower unit

  • Please remove Alpha One upper gear housing before shipping us lower unit for repair.
  • An additional $65.00 labor plus handling charge will be applied for units shipped with upper housing attached.
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$495.95 - Lower unit basic repair cost includes the following:

  • Take apart clean, wire brush, sand
  • Change drive shaft bearing
  • Install water pump kit
  • Install new seal kit
  • Drilling out cover nut to remove bearing carrier if required
  • Pressure test unit
  • Includes the following

 

  1. 87510 Lower unit seal kit 
  2. 12120 Alpha one water pump kit
  3. 11190 Drive shaft nut
  4. 68015 Loctite retainer compound
  5. 30517 Aviation gasket sealant
  6. 21610 Bearing
  7. 11410 Bearing carrier bearing
  8. 21110 Cover nut when required
  9. 11380 or 11381 tab washer when required

 

Click here to see complete list of lower unit parts
*Contact our order desk for information on shipping / sending your outdrive in for repair*

Basic repair cost without parts $395.95

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P/N 21950 For 1970 - 1990 Mercruiser models with serial numbers 3469428-0D46985. $145.95

12120

12120

P/N 12120 Alpha 1 gen 1 outdrive impeller pump kit with housing and gaskets .Compatible with 1984-1990 models. Replaces Sierra 18-3320. $35.95