08300627 – Ariens & Gravely OEM Extension Spring (.170″ × 1.385″ × 6.7″) – Genuine OEM Part STTII-61V-38CH-EFI 988102–988119

988102–988119

Part Number: 05501240

Maintains correct belt speed and drive ratio

the 07350100 idler pulley provides precise fitment

matching original connectors and specifications for proper installation and long-term reliability

08300627 – Ariens & Gravely OEM Extension Spring (.170″ × 1.385″ × 6.7″) – Genuine OEM Part STTII-61V-38CH-EFI 988102–98811908300627 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