796489 590477 Fuel Tank Fits For Briggs & Stratton Lawn Mower Replaces 590949

Key Features

• Direct Mechanical Replacement: Engineered as a precise structural replacement for worn or damaged fuel tanks. Restores fuel system integrity and eliminates vapor leaks.

• Heavy-Duty Construction: Molded from industrial-grade, chemical-resistant high-density polymers to withstand prolonged fuel contact and intense engine vibrations.

• Integrated Fuel Valve Port: Built to match original factory plumbing specifications, featuring the proper built-in fuel valve interface configuration.

CRITICAL FITMENT & SPECIFICATION NOTICE

ATTENTION: To avoid ordering errors, check your engine's manufacturing year, valve configuration, and structural mounting layout against the rules below before purchasing.

1. Part Number & Engine Generation Matrix

This fuel tank replacement follows a multi-generation part layout across various model years:

• 796489 (Early Generation): Fits Briggs & Stratton 850 / 111 / 112 / 114 Series OHV engines manufactured from 2009 to 2014.

• 590477 (Mid-Term Update): Fits Briggs & Stratton 850 / 111 / 112 / 114 Series engines manufactured from 2014 to 2019.

• 590949 (Latest Universal Part): Universally backwards-compatible with all generations and series manufactured from 2009 to 2026.

2. Structural & Engine Requirements

• OHV Engines Only: Fits ONLY single-cylinder OHV (Overhead Valve) engines.

• Mounting Configuration: Requires a dual-bracket layout (left and right mounting feet) with a hollowed-out arched center design to clear the pull starter assembly.

• Strictly Non-Compatible: Will NOT fit older Side Valve (SV) engines, including legacy 500 and 550 series models. It is NOT interchangeable with older flat-bottom, square-style fuel tanks.

Product Specifications

• Part Type: Small Engine Fuel Tank Assembly

• Material Composition: High-Impact Fuel-Resistant Polymer

• Color Finish: Solid Black

• Interchange Part Numbers: 590949, 590477, 796489

• Condition: 100% Brand New

Package Includes

• 1 × Replacement Fuel Tank (Note: Fuel lines, mounting bolts, and fuel valves are not included).

Quick Installation Notes

• Visual Verification: Always compare your old fuel tank's mounting brackets and physical shape against our product images prior to purchase.

• Debris Clearance: Ensure the engine mounting area is completely clean and clear of grass clippings or dirt before bolting down the new tank.

• Hand-Tighten Fasteners: Secure the left and right mounting feet evenly. Do not over-torque the bolts to prevent cracking the plastic composite brackets.