Kohler K161 K181 M8 Piston Assembly - Style A 7HP 8HP 2.938" | 41-874-05-S

Complete Style A piston assembly for Kohler K161, K181, and M8 engines with 2.938" bore. This comprehensive kit includes the Style A piston, Style A rings, wrist pin, and clips - everything needed for a complete piston replacement.

Complete Assembly Includes:

• Style A piston (2.938" bore)
• Style A piston rings 
• Wrist pin
• Retaining clips

Key Features:

• Complete assembly - no additional parts needed
• Style A piston and rings design
• For 2.938" bore engines
• Available in standard and oversizes
• Quality construction for reliable performance
• Essential for engine rebuilds

Compatible Kohler Engines:

• K161 (7HP) - 2.938" bore
• K181 (8HP) - 2.938" bore
• M8 (8HP) - 2.938" bore

OEM Part Numbers by Size (Style A):

• Standard (STD): 41-874-05-S
• .010" Oversize: 41-874-07-S
• .020" Oversize: 41-874-08-S
• .030" Oversize: 41-874-09-S

Important Notes:

• Measure your cylinder bore: Blocks interchange between horsepower ratings. K161/K181 standard bore is 2.938". Blocks marked K161 that measure 2.875" are actually K141/K160.
• You can bore a 2.875" cylinder to 2.938"
• Please select size from dropdown - Standard size ships if no selection made
• Oil control ring set may differ from picture
• This is a Style A piston assembly
• Compatible with Style A piston rings sold separately on our site

Complete Style A piston assembly for professional engine rebuilds. Includes all components needed for piston replacement, ensuring proper fit and reliable compression for K161, K181, and M8 engines.