Kohler Piston Ring Set - K321 K582 | 3.500" Bore Style A | 48-108-05-S

Quality piston ring set designed for Kohler K321 and K582 engines with 3.500" bore. These rings are specifically for Old Style (Style "A") pistons and are available in standard and oversizes for rebored cylinders.

Key Features:

• For 3.500" bore (standard)
• Fits Old Style (Style "A") pistons ONLY
• NOT compatible with Mahle-style pistons
• Available in standard, .010", .020", .030", and .040" oversizes
• Quality construction for reliable sealing
• Essential for engine rebuilds and piston replacement

Compatible Kohler Engines:

• K321 (14HP) - 3.500" bore, Old Style pistons
• K582 (23HP twin) - 3.500" bore, Old Style pistons

OEM Part Numbers by Size:

Standard (3.500"):

• 48-108-05-S (primary OEM part number, replaces 236763)

.010" Oversize (3.510"):

• 48-108-06-S (replaces 236764)

.020" Oversize (3.520"):

• 48-108-07-S (replaces 48-105-07-S)

.030" Oversize (3.530"):

• 48-108-08-S (replaces 236766 or 48-105-08-S)

.040" Oversize (3.540"):

Important Notes:

• For 3.500" bore engines
• Rings fit Old Style (Style "A") pistons ONLY - refer to service manual pages 11.3 and 11.8 to verify piston style
• NOT compatible with Mahle-style pistons (use 47-108-05-S for Mahle pistons)
• Please select size from dropdown - Standard size ships if no selection made
• Oil control ring set may differ from picture
• Oversized sets are required if the engine cylinder has been rebored

Critical component for maintaining proper compression and oil control during engine rebuilds. Ensure you have the correct bore size and Old Style (Style "A") pistons before ordering.