REMEDART Carburetor Replacement Kit for Briggs & Stratton 594601/591736 — Includes Spark Plug & Air Filter

REMEDART 594601 is a complete carburetor replacement kit engineered to fit multiple Briggs & Stratton small-engine lawn mower models and includes a carburetor, gasket, fuel components, spark plug, and an air filter for straightforward installation.

This replacement assembly is written for homeowners and small-engine technicians who need a direct-fit carburetor solution for Briggs & Stratton engines that use part numbers around 594601 and 591736. The kit bundles the core carburetor with fuel lines, clips, a fuel shut-off valve, a fuel filter and pump, a spark plug matched to p/n 691043, and an air filter (p/n 793569) so you receive the parts commonly replaced together when troubleshooting poor running, fuel leaks, or hard starting issues.

Which Briggs & Stratton models and part numbers does this REMEDART carburetor replace?

This carburetor is compatible with a range of B&S models and replacement part numbers commonly listed for lawn mower engines. It replaces 594601 and 591736, and fits model references such as 31Q677, 331707, 331777, 331807, 331877, and 331977.

• Direct replacements: 594601, 591736 series numbers.
• Common fit models: 31Q677, 331707, 331777, 331807, 331877, 331977.
• Also compatible with many related B&S part numbers (see product images for full list).

What parts are included in the REMEDART carburetor kit and how do they help?

The kit bundles the essential components that typically fail or are serviced when replacing a carburetor, allowing for a near-complete rebuild without sourcing extra parts. You receive hardware and consumables that reduce the number of shop trips and speed installation.

• 1 carburetor body and gasket for sealing to the engine manifold.
• Fuel hose, fuel filter, fuel pump and shut-off valve to restore proper fuel delivery.
• Spark plug (for p/n 691043), 4 clips, and a compatible air filter (p/n 793569).

How do I confirm fitment and prepare for installation?

Before ordering, compare the part dimensions and mounting pattern in the product images with your existing carburetor and consult your engine model number. REMEDART recommends verifying the pictured measurements and listed part numbers to ensure compatibility.

• Check engine model and part tags on your mower or consult the owner’s manual.
• Compare bolt pattern, throttle linkage, and fuel inlet location to images.
• Confirm air filter part number (793569) fits your airbox—some compatible engines use different filters.

Will this kit solve common running problems like hard starting or poor throttle response?

Replacing a worn or clogged carburetor and associated fuel components often resolves symptoms such as rough idle, hesitation, and difficulty starting, but diagnosis should confirm the carburetor is the root cause. If other systems (ignition, compression, or fuel tank contamination) are faulty, additional repairs may be required.

• Addresses fuel delivery and air filtration issues when carburetor-related.
• Includes spark plug to eliminate ignition issues caused by fouled plugs.
• Fuel filter and pump reduce chances of debris-related failures after installation.

Who this is for: This REMEDART carburetor kit is intended for DIYers, landscapers, and small engine mechanics who need a comprehensive replacement for Briggs & Stratton engines that list 594601, 591736, or the compatible model numbers above. It’s especially useful when you want a single package that supplies both the carburetor and the common fuel and ignition parts needed for a reliable swap. If you’re unsure about fitment, inspect the photos and dimensions or contact the seller for confirmation before purchase.