Husqvarna 505309601 Cap A – Genuine OEM Replacement Equipment Cap

Part Number: 505309601
Category: Outdoor Power Equipment Fuel System Parts
Type: Cap A – Genuine OEM Replacement Fuel Tank Cap

The Husqvarna 505309601 Cap A is a genuine OEM replacement fuel tank cap designed for select Husqvarna, RedMax, and other Husqvarna-produced outdoor power equipment. Installed on the fuel tank, the cap provides a secure closure that helps contain fuel while protecting the tank opening from dirt, debris, and other contaminants. Parts diagrams confirm 505309601 within the fuel tank assembly on compatible equipment.

Product Specifications

• Part Number: 505309601
• Manufacturer: Husqvarna
• Product Type: Fuel Tank Cap / Cap Assembly
• Description: Cap A
• Function: Closes and Seals the Fuel Tank Opening
• System: Fuel Tank / Fuel System
• Application: Outdoor Power Equipment
• Compatible Brands: Husqvarna & RedMax
• OEM Status: Genuine Husqvarna OEM Part
• Condition: New
• UPC: 705788530168
• Replaces: 506671001, 521732201, 544272301
• Quantity: 1 Cap

Features & Benefits

• Genuine Husqvarna OEM replacement fuel cap
• Designed to securely close the applicable fuel tank
• Helps contain fuel during equipment operation
• Helps prevent dirt and debris from entering the fuel tank
• Suitable for a variety of Husqvarna-produced outdoor power equipment
• Ideal replacement for cracked, damaged, worn, leaking, or missing caps
• Designed for factory-correct fit and configuration
• Compatible with select Husqvarna and RedMax equipment
• Direct replacement for equipment requiring part number 505309601

Applications

• Husqvarna 143AE15 Earth Auger
• Husqvarna 253RJ Brush Cutter
• Husqvarna 370BFS Backpack Blower
• Husqvarna 370BTS Backpack Blower
• Husqvarna 425BVS Blower
• Husqvarna 426EX Trimmer
• Husqvarna 426LST Trimmer / Edger
• Husqvarna 430LS String Trimmer
• Husqvarna 443RB Brush Cutter
• Husqvarna 533RS Brush Cutter
• Husqvarna 553RBX Trimmer
• Husqvarna 553RS Brush Cutter
• RedMax AG4300 Auger
• Select additional compatible Husqvarna and RedMax equipment
• OEM replacement for equipment requiring part number 505309601

Important Notes

• Verify compatibility with your specific equipment model, product number, and production configuration before ordering.
• 505309601 is used as a fuel tank cap on compatible equipment. For example, the Husqvarna 236R parts diagram places 505309601 directly within the fuel tank assembly.
• The part may appear in catalogs under descriptions including Cap A, Cap Assembly, and Fuel Cap.
• 505309601 supersedes several previous OEM numbers, including 506671001, 521732201, and 544272301. Some cross-reference catalogs additionally list 5053096-01 and 5066710-01 as alternate number formats.
• Compatibility spans several equipment categories, including trimmers, brush cutters, blowers, hedge trimmers, pole saws, edgers, and augers. Exact fit varies by model.
• This listing is for one fuel tank cap only unless otherwise specified. Fuel tanks, fuel filters, fuel lines, grommets, fittings, seals, and other fuel-system components are sold separately.
• Inspect the fuel tank opening, sealing surfaces, and surrounding fuel-system components when replacing the cap. Replace damaged or deteriorated components as necessary to maintain a secure fuel system.