Sierra Boat Piston Ring Kit 18-4125 | 3.187 Bore 35 - 50 HP

Boat part number 1087870 is a new piston kit from Sierra Marine, part number 18-4125 .
made for Custom Applications
$73.95 MSRP: $102.23
GLS Stock #: 1087870-5G575
Only 1 left

Sierra Boat Piston Ring Kit 18-4125 | 3.187 Bore 35 - 50 HP

Boat part number 1087870 is a new piston kit from Sierra Marine, part number 18-4125 .

This piston replaces:
  • BRP OMC Evinrude Johnson
    • 391798
    • 391170
    • 322188
  • GLM
    • 24110
This standard bore size piston fits 1981-1997 35 - 50 HP 2 & 3 Cylinder models. Measures approximately 3" H x 3 1/8" Dia. overall.

Please check with your local Sierra or BRP dealer for boat / brand / model / year cross-referencing compatibilities.

Specifications:
  • Part Manufacturer: Sierra Marine
  • Part Number: 18-4125
  • UPC: 030999542724
  • Overall Dimensions: 3" H x 3 1/8" Dia.
  • Bore Size: Standard 3.187

Sold as seen in pictures. Customers please note every computer shows colors differently. All measurements are approximate.

Instruction / installation manual not included.

Hardware not included.