deawater 2pc Muffler Stub Spark Arrestor 4229-140-6905 for Stihl BG55 BG56 BG85 BG86 SH55 SH56 SH85 SH86

Overview

Discover the Deawater 2-piece muffler stub spark arrestor set, designed to replace worn components on a range of Stihl blowers. This compact two-pack helps maintain a clean exhaust path and supports consistent operation by restoring a key safety feature without needing a full muffler overhaul. The parts are straightforward to store, easy to swap, and ready to revitalize everyday yard work or seasonal maintenance routines.

Included in the package

• Included: 2x Muffler Stub Spark Arrestor
• Replacement Part Numbers: 4229-140-6905

Fitment and compatibility

The spark arrestors are designed to fit select Stihl models, including BG55, BG56, BG85, BG86, SH55, SH56, SH85, and SH86 blowers. This makes the set a practical maintenance upgrade for owners of older units or equipment with higher usage demands.

Key benefits and real-life use cases

• Preserves exhaust flow and helps minimize debris buildup in the muffler path, supporting smoother operation during mowing seasons or leaf cleanups.
• Two-piece design lets you keep a ready spare on hand for routine maintenance or busy periods, reducing downtime.
• Simple swap can restore proper exhaust behavior without disassembling the entire exhaust system, which can save time on service days.
• Replacement part number 4229-140-6905 helps verify compatibility when shopping for replacements or performing stock checks.

Maintenance notes and tips

These parts are intended as replacement components. For best results, inspect the exhaust area during routine maintenance and replace worn items as needed. Actual performance may vary with usage, maintenance routines, and environmental conditions. For installation, ensure the engine is cool and the blower is powered down, align the arrestor with the outlet, and seat it securely. Refer to your unit’s service manual if you need model-specific guidance.

Why choose a spark arrestor upgrade

• Maintains normal exhaust flow and can help keep the working area safer by managing exhaust particulates effectively.
• Cost-effective option compared to replacing larger exhaust components, with a clear part number for easy sourcing.