Finding the right starter options for your lawn mower helps ensure quick starts, reliable operation, and a lush, well-established lawn. This guide highlights five starter-focused products that cover solenoids, sprays, and feeder options designed to optimize starting performance and early lawn growth. Each item is selected for compatibility with common mower systems, durability, and ease of use for American homeowners.
Summary of featured products:
- 725-06153A Starter Solenoid (LordandLand) — compatibility with various riding mowers and Craftsman models.
- Mo Deck Lawn Mower Non-Stick Spray (Generic) — universal spray for metal and plastic surfaces.
- Scotts Turf Builder Starter Food For New Grass Ready-Spray (Scotts) — starter fertilizer for new lawns.
- Exmark 135-6189 Starter Solenoid Z-Spray (Exmark) — genuine factory part for Z-Spray systems.
- Extreme Grass Growth Lawn Booster (Simple Lawn Solutions) — liquid starter fertilizer with humic acid for new lawns and seeding.
725-06153A Starter Solenoid For Mowers

The 725-06153A Starter Solenoid Relay is designed as a replacement part for a wide range of riding lawn mowers and zero-turns. It lists compatibility with MTD, Troy-Bilt, Cub Cadet, Craftsman, Husqvarna, John Deere, and Toro models, among others. The solenoid replaces multiple OEM numbers, offering a flexible option to restore starting reliability. When selecting this part, verify your model number and the stated replacements to ensure exact fit and electrical compatibility with your mower’s starting system.
Mo Deck Non-Stick Lawn Spray 11 Oz

The Mo Deck Lawn Mower Non-Stick Spray is a universal, easy-to-apply spray designed for lawn mower surfaces. It is 100% made in the USA and claims to bond to metal or plastic surfaces, forming a protective, non-stick layer. This can help reduce buildup and make maintenance easier, especially on high-use mower decks. Shake, spray, and wipe or let dry as directed before mowing. It provides a quick, ready-to-use option for quick maintenance between cleanings.
Scotts Turf Builder Starter Food For New Grass

This Scotts starter fertilizer is tailored for newly planted grass and involves a ready-to-spray liquid formulation. It helps provide nutrients to support rapid establishment and thicker growth, especially when seeding, installing sod, or using plugs. The package is designed for use across all grass types and can be applied alongside watering for efficient seeding outcomes. The product emphasizes ease of use, enabling homeowners to feed and water simultaneously for better germination and growth rates.
Exmark 135-6189 Starter Solenoid Z-Spray

The Exmark 135-6189 Starter Solenoid is a genuine factory part designed for Z-Spray systems. This solenoid is intended to provide reliable electrical engagement to the starting motor, ensuring consistent engine startup for compatible Exmark and Toro equipment. When considering this solenoid, confirm that your mower model aligns with the Z-Spray design and that the part number matches the official equipment specification to avoid fit issues.
Extreme Grass Growth Lawn Booster

This concentrated starter fertilizer from Simple Lawn Solutions uses humic acid and a nitrogen-phosphorus mix designed to boost growth in new lawns and during reseeding. The product is scalable via a hose-end sprayer and is marketed for use on new lawns, sod, seeds, or turf repair. It offers a ready-to-use option for homeowners who want a quick application method to support early root formation and vigorous existing growth. Consider compatibility with your lawn type and existing soil nutrients when choosing a booster formula.
Buying Guide: Key Purchase Considerations
- Compatibility: Check model numbers and part replacements for solenoids; verify brand compatibility with your mower’s electrical system and ignition setup.
- Application Type: Solenoids are for starting systems; sprays and fertilizers support growth and maintenance. Choose based on whether you need a starting component or lawn-growth support.
- Ease of Installation: Replacement parts should include clear fit guidance and, ideally, simple wiring or mounting steps. Read product Q&As and manuals for installation tips.
- Surface and Material Compatibility: Non-stick sprays should specify compatibility with mower decks; ensure safe use around moving parts and fuel areas.
- Indoor/Outdoor Storage: Some lawn products are sensitive to temperature; store per label directions to maintain effectiveness.
- Soil Type and Grass Stage: Starter fertilizers generally perform best on new or stressed lawns; match product claims to your current lawn condition (new seed, sod, or repair).
- Safety: Follow all handling instructions for chemicals and electrical components. Use protective gear when applying sprays or fertilizers.
- Budget and Availability: Compare unit price, coverage area, and replacement part availability. Solenoid replacements may be single-use items versus multi-use sprays.
When selecting a starter solution, homeowners should consider whether the primary need is a reliable engine start (solenoid) or a way to boost early lawn growth (fertilizer or growth booster). In some cases, combining a functional starter solenoid with a targeted starter fertilizer yields the best overall results for a newly planted lawn or for mowing systems that require dependable ignition and robust early growth. Always verify model compatibility and follow manufacturer installation instructions for optimal performance.