491588 Tune Up Kit 491588S 399959 LG491588 271933 491435 499059 792253 497586

Product Overview

This tune up kit contains essential replacement components to restore engine performance in lawn mowers, tractors, and outdoor power equipment. The kit includes a spark plug, air filter, and fuel filter designed to work together for a complete engine service. Using this tune up kit helps maintain reliable starting, smooth idling, and efficient fuel consumption.

Key Features & Performance

• Includes spark plug, air filter, and fuel filter in one convenient package
• Precision-engineered filters capture dirt and debris to protect engine internals
• Spark plug meets OEM heat range and gap specifications for proper ignition
• Easy-to-follow instructions simplify the replacement process
• Replaces multiple OEM part numbers for broad compatibility

Fitment & Compatibility

• Fits many Briggs & Stratton, Craftsman, Murray, and other small engine brands
• Compatible with horizontal and vertical shaft engines in the 10-20 HP range
• Matches OEM part numbers: 491588, 491588S, 399959, LG491588, 271933, 491435, 499059, 792253, 497586

Common Uses

• Routine annual maintenance for push mowers, riding mowers, and zero-turn mowers
• Engine tune-up after winter storage to ensure spring start-up
• Replacing worn filters and spark plug on generators and pressure washers
• Service for lawn tractors, garden tractors, and tillers

Technical Specifications

• Kit Contents: Spark plug, air filter, fuel filter
• Spark Plug Type: Resistor spark plug with pre-gapped electrode
• Air Filter Material: Foam or paper element (varies by batch)
• Fuel Filter Type: In-line or sediment bowl style
• Part Number(s): 491588, 491588S, 399959, LG491588, 271933, 491435, 499059, 792253, 497586

Frequently Asked Questions

Q: Will this tune up kit fit a Briggs & Stratton 17.5 HP engine? A: It is compatible with many Briggs & Stratton engines in the 10-20 HP range; verify your engine model against the listed OEM part numbers.

Q: Does the kit include an oil filter? A: No, this tune up kit contains only a spark plug, air filter, and fuel filter; you may need to purchase an oil filter separately.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.