Inboard Starter Motor, Delco Top Mount, PMGR Hi-Torque CW, 12 Volt, 10057 OE# 50-97499R3


Inboard Starter Motor, Delco Top Mount, PMGR Hi-Torque CW, 12 Volt, 10057 OE# 50-97499R3
SKU: 478001
Mfg# 10057
UNIT: Each
Description: StarterFits Engine Type: Inboard and I/O
Ships from Manufacturer (Typically Ships Out in 1-2 Business Days)


Inboard and I/O Starter 10057 is a Delco Top Mount PMGR High Torque 9-Tooth CW rotation starter used on Mercruiser 470, OMC, Crusader & other makes.

  • High torque Delco style, Gear reduction starter
  • CW Rotation
  • Top mount (Also fits Bottom Mount 470 Mercruiser with older Prestolite Starters)
  • 12 Volt
  • 9-tooth drive
  • Lightweight (9 lbs.)
  • 10059 & 10059Sp TOP Mount Applications
  • OMC #980821, 981289, 982202
  • Crusader #42090, RA122008
  • Mercruiser OE# 50-97499R4 & 50-72550A1, 50-72550A2



Ratings & Reviews

1 review

  • 5 stars
  • 0 reviews
  • 3 stars
  • 0 reviews
  • 2 stars
  • 0 reviews
  • 1 star
  • 0 reviews

So far, so good.


Fit perfectly, so far working fine. Will upgrade to a five if still working in a year.




Sterndrive Engineering offers a one (1) year fault free warranty on rotating electrical parts (Starters, Alternators, Trim Motors) and a one (1) year Limited warranty on all other parts (solenoids, voltage regulators, water pumps, etc.). These warranties do not apply to any repairs, alterations, or work undertaken by third parties not involved in the actual manufacturing of the product.


  • Restocking charge will apply at a minimum of 10% for all product returned.
  • All Returns must be returned within 30 days of receipt of the items.
  • Some products are non-returnable, please contact us for further details.
  • Manufacturer defects reported within 30 days of receipt will be supplied a pre-paid label for return shipping upon approval.
  • Please contact Go2marine for Manufacture Defects, Returns and help with Warranties.