Briggs & Stratton Genuine 5449K Tethered Fuel Cap for 400E-550 EX series
Briggs & Stratton

Briggs & Stratton Genuine 5449K Tethered Fuel Cap for 400E-550 EX series

Key item features

  • Compatibility: For use on 400E-550 EX series lawnmowers from mid-year 2016 to current.
  • Vented Design: Many fuel tanks are designed to use a vented fuel cap to prevent a vacuum from forming in the fuel line.
  • Attached Tether: This cap includes an attached tether to prevent it from being misplaced or lost.
  • Manufacturer Part: Manufacturer part number: BSP5449K.
  • OEM Replacement: Replacement for OEM Part 596250.
  • Critical Functions: Prevents gas tank fumes from leaving the tank and protects the fuel from outside contamination.
  • Pressure Maintenance: Maintains the appropriate pressure in the fuel tank to prevent leaks.
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Current price is $18.20
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Sold and shipped by Outdoor Power Direct
4.622093023255814 stars out of 5, based on 344 seller reviews(4.6)
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3.8 out of 5 stars
stars25 ratings13 reviews
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  2. 4 stars4% (1)
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Showing 1-3 of 13 reviews

Nov 7, 2025
Joshua
Sold and shipped byJamestown Trading Company
5 out of 5 stars review

Verified Purchase

Works Great

It fits my Murray mower perfectly since it has a Briggs and Stratton engine. It's exactly like the one that came off and the process of installation was simple.

Incentivized Review
Helpful?5LCS5BUDERM1935521876
Jul 30, 2025
Jennifer
Top Reviewer
Sold and shipped byShipped Price
5 out of 5 stars review

Verified Purchase

Fit perfectly

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Helpful?5LCS5BUDERM1935521876
Feb 6, 2025
Cheryl
Top Reviewer
5 out of 5 stars review

Verified Purchase

Wrong item ordered

This was item was returned. it did not fit.

Incentivized Review
Helpful?5LCS5BUDERM1935521876