Koyker Cylinder Rebuild Kits (By Measurements)

All seal kits are IN STOCK. The Koyker Cylinder Rebuild Kit has all the packing for rebuilding one cylinder on a Koyker loader. The kit includes: 1 each - Gland “O” Ring 1 each - Backup Ring 1 each - U-cup Seal 1 each - Rod Wiper 2 each - U-cup Seal 1 each - Rod “O” Ring 1 each - Locknut The part number and sizes of your seal kit may vary from the pictured products.
As low as $40.00
The Koyker Cylinder Seal Kit includes everything you need for rebuilding one Koyker loader cylinder.
Items included in the kit are:
  • Qty 1 - “O” Ring for Aluminum Gland Nut
  • Qty 1 - Backup Ring for Aluminum Gland Nut
  • Qty 1 - U-cup Seal for Aluminum Gland Nut
  • Qty 1 - Rod Wiper for Aluminum Gland Nut
  • Qty 2 - U-cup Seals for Piston (Plunger)
  • Qty 1 - Rod “O” Ring for Piston (Plunger)
  • Qty 1 - Locknut
The part number of the packing kit will vary, depending on the measurements of your cylinder.
Part numbers of Koyker seal kits available:
  • K670084 - 1.5” Barrel ID
  • K663304 - 1.75" Barrel ID
  • K662051 - 2.0" Barrel ID
  • K672933 - 2.25" Barrel ID
  • K662048 - 2.5" Barrel ID
  • K672928 - 2.75" Barrel ID, 1.5" rod OD
  • K675682 - 2.75" Barrel ID, 1.75" rod OD
  • K662049 - 3.0" Barrel ID, 1.5" rod OD
  • K662050 - 3.0" Barrel ID, 1.75" rod OD
  • K675574 - 3.25" Barrel ID
  • K663334 - 3.5" Barrel ID
Barrel ID Barrel OD Shaft OD Seal Kit PN#
1.5" 1.875" 1.0" K670084
1.75" 2.125" 1.0" K663304
2.0" 2.375" 1.25" K662051
2.25" 2.625" 1.25" K672933
2.5" 2.875" 1.5" K662048
2.75" 3.125" 1.5" K672928
2.75" 3.125" 1.75" K675682
3.0" 3.375" 1.5" K662049
3.0" 3.375" 1.75" K662050
3.25" 3.625" 1.75" K675574
3.5" 3.875" 1.75" K663334
   

Koyker Loader Model Cylinder Dimensions

Loader Model 50 Lift Cylinder:
  • 1-7/8" Barrel OD
  • 1-1/2" Barrel ID
  • 1" Rod OD
Loader Model 50 Bucket Cylinder:
  • 1-7/8" Barrel OD
  • 1-1/2" Barrel ID
  • 1" Rod OD
Loader Model 80 Lift Cylinder:
  • 1-7/8" Barrel OD
  • 1-1/2" Barrel ID
  • 1" Rod OD
Loader Model 80 Bucket Cylinder:
  • 1-7/8" Barrel OD
  • 1-1/2" Barrel ID
  • 1" Rod OD
More Information
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