The Story
A genuine Briggs & Stratton flywheel designed for optimal engine performance. This essential engine component stores rotational energy, regulates timing, assists with cooling via built-in fins, and supports smooth engine starts. Perfect for a broad range of vertical-shaft and horizontal applications in lawn and garden equipment.
Features
-
OEM flywheel ensuring perfect fit and reliability
-
Stabilises engine rotation for consistent performance
-
Precision-engineered fins aid in engine cooling and smooth operation
-
Durable metal construction built to withstand typical wear and tear
Model Fitment
Compatible with a wide selection of Briggs & Stratton engine series, including but not limited to:
-
21xxx Series: e.g., 2158xx, 2178xx, 2198xx
-
21Bxxx Series: e.g., 21B807, 21B907, 21B977
-
21R Series: e.g., 21R507 through 21R807, and other variants
-
31A / 31E / 31G / 31R / 33M / 33R / 33S Series: multiple specific model designations
Due to the extensive compatibility list, we recommend confirming fitment using your engine's model and serial number.
Description
A genuine Briggs & Stratton flywheel designed for optimal engine performance. This essential engine component stores rotational energy, regulates timing, assists with cooling via built-in fins, and supports smooth engine starts. Perfect for a broad range of vertical-shaft and horizontal applications in lawn and garden equipment.
Features
-
OEM flywheel ensuring perfect fit and reliability
-
Stabilises engine rotation for consistent performance
-
Precision-engineered fins aid in engine cooling and smooth operation
-
Durable metal construction built to withstand typical wear and tear
Model Fitment
Compatible with a wide selection of Briggs & Stratton engine series, including but not limited to:
-
21xxx Series: e.g., 2158xx, 2178xx, 2198xx
-
21Bxxx Series: e.g., 21B807, 21B907, 21B977
-
21R Series: e.g., 21R507 through 21R807, and other variants
-
31A / 31E / 31G / 31R / 33M / 33R / 33S Series: multiple specific model designations
Due to the extensive compatibility list, we recommend confirming fitment using your engine's model and serial number.

















