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Reliable Aftermarket Parts

Reliable Aftermarket Parts – New Gas Fuel Cap for Briggs & Stratton 3.5-6 HP Mowers

High-performance patio lawn and garden made for confident daily results

$19.28

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Why customers choose PatioZora Garden

Overview

Discover a brand‑new aftermarket fuel cap designed for Briggs & Stratton vertical engines in the 3.5–6 HP range, including Max, Quantum, and Europa families. This replacement cap is built to match the standard inner diameter (ID) of 1‑3/4 inches, delivering a reliable seal and straightforward installation for compatible mowers and small engines.

Engineered as a direct replacement, this cap offers a practical solution when the original part shows signs of wear or damage. While not an OEM part, it is designed to fit the specified engine families and horsepower range, helping you keep your mower ready for seasonal use without long downtime or complicated adaptations.

Key features

  • One (1) New aftermarket replacement fuel cap
  • Compatible with Briggs & Stratton vertical engines in the 3.5–6 HP range, including Max, Quantum, and Europa
  • Inner diameter measured at 1‑3/4 inches for a snug, controlled seal

Compatibility and reference numbers

Noting a broad set of reference numbers helps with cross‑checking fit. OEM numbers are provided for reference only; please verify your engine model and specifications before ordering.

  • Replaces multiple part numbers such as: 397974S, 397974, 4131, 4149, 4221, 4227, 493017, 5044, 5044H, 33385, LG397974, M143291, PT11028, PT12572

Fit verification and practical use

Before placing an order, measure the cap area on your mower or engine and compare with the 1‑3/4 inch ID guideline. Have your Briggs & Stratton model family in hand to confirm compatibility. This cap is designed to support ongoing maintenance, with an emphasis on sealing capability and ease of replacement.

Usage scenarios and benefits

  • Easy replacement during seasonal maintenance or repairs
  • Potential to minimize fuel leakage and debris entry by restoring a proper seal
  • Lightweight and straightforward install suitable for DIY maintenance

Overall, this new aftermarket fuel cap offers a practical option for keeping compatible Briggs & Stratton engines in service. It presents a balance of compatibility, dimension accuracy, and ease of installation without promising guaranteed performance outcomes.

FAQ

Q: Is this fuel cap compatible with Briggs & Stratton 3.5-6 HP engines?

A: Yes. It is designed for Briggs & Stratton vertical engines in the 3.5–6 HP range; please confirm your exact model before ordering.

Q: Does this part come with OEM reference numbers?

A: It lists OEM reference numbers to help verify compatibility; always double-check your engine model and measurements before purchase.

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