Atunee 3/8-in 7T Clutch Drum Sprocket Rim Oil Pump Kit for Stihl 044 046 MS341 MS361 MS362 MS380 MS381 MS440 MS441 MS460

Meet the Atunee 3/8-in 7T Clutch Drum Sprocket Rim Oil Pump Kit, a complete upgrade crafted for select Stihl saw models. Rather than a single part, this kit combines essential components to refresh the drive train and support smoother clutch engagement. The result is a practical upgrade possibility for routine maintenance, designed to help maintain consistent operation without promising guaranteed results.

This kit aims to deliver a cohesive, OEM-aligned refresh that can help restore reliable drive action, especially after wear or routine service. It’s built to stand up to the kind of daily use chainsaws experience, with attention to compatibility and straightforward installation for DIY homeowners and professional technicians alike.

What’s included

• 1 x clutch
• 1 x clutch drum
• 1 x needle bearing
• 1 x worm gear
• 1 x e-clip
• 1 x sprocket rim
• 1 x oil pump

Key compatibility and fit

• Designed for 3/8" pitch chains with 7 teeth and a 22 mm bore.
• Fits Stihl models including 044, 046, MS341, MS361, MS362, MS380, MS381, MS440, MS441, MS460, and related variants.
• OEM references cited for cross-checking: 1128 007 1000, 1135 160 2050, 1128 647 2400, 9512 933 2380.

Before ordering, please review your saw’s pitch, tooth count, and bore size to ensure a proper match.

Maintenance and use

Having a complete kit on hand can streamline maintenance days. The included components are selected to work in concert, which may support smoother clutch operation and more consistent oil delivery during use. Real-life usage varies, and results depend on the condition of the saw and other wear items.