08300627 – Ariens & Gravely OEM Extension Spring (.170″ × 1.385″ × 6.7″) – Genuine OEM Part STTII-61V-38CH-EFI Part Number: 05501240

Part Number: 05501240

this piston assembly ensures reliable engine operation and helps extend service life in lawn mowers and other outdoor power equipment

the 07350100 idler pulley provides precise fitment

988102–988119

Maintains correct belt speed and drive ratio

08300627 – Ariens & Gravely OEM Extension Spring (.170″ × 1.385″ × 6.7″) – Genuine OEM Part STTII-61V-38CH-EFI Part Number: 0550124008300627 Ariens & Gravely OEM Extension Spring (. 170 1. 385 6. 7) Genuine OEM Part The 08300627 Extension Spring is a genuine OEM replacement part for Ariens and Gravely zero turn and walk behind mowers, designed specifically for deck idler and sheave systems. This spring provides the precise tension required to keep mower deck belts properly aligned and operating smoothly under load. Manufactured to original equipment specifications, this extension