Key Features

• Genuine OEM replacement 590740 (also referenced as BS-590740) designed to original equipment specifications for reliable fit and performance on compatible Briggs & Stratton carburettors.
• Precision spring action delivers the correct tension to close and return the choke as intended by the engine manufacturer, ensuring consistent choke behavior.
• Durable construction made from hardened spring steel to resist fatigue and corrosion under normal operating conditions.
• Direct-fit installation for easy replacement on compatible carburettor choke assemblies with minimal effort.
• Practical impact restores smooth choke lever operation, improving cold-start performance and consistent engine running during warm-up.

Product Details

• Part Number: 590740 (BS-590740)
• Component: Choke return spring
• Engine Make: Briggs & Stratton
• Application: Return action for choke linkage and choke plate assembly
• Material: Hardened spring steel
• Replacement rationale: Replaces a weak, stretched, or broken choke return spring to restore correct choke plate movement, improving cold-start performance and overall throttle response during warm-up

Compatibility

• Used on Briggs & Stratton lawn and garden engine models including (but not limited to): 092J0B / 093J02 / 093J05 / 093J0B series; 09P702 / 09P705 / 09P70B / 09P902 series; 103M02 / 103M05 / 103M0B / 104M02 / 104M05 / 104M0B; 115P02 / 115P05; 123M02 / 123M05 / 123M07 / 123M0B / 123M32; 124M02 / 124M05 / 124M0B; 125P02 / 125P05 / 125P07 / 125P0B / 125P42 / 125P47 / 125P4B.
• Important note: Exact compatibility depends on engine type, carburettor assembly, and regional variations — always verify your engine’s Model/Type/Code before ordering.