8 Best Lawn Mower Parts for Replacement in 2025

If your EGO 21-inch dual-blade mower has started vibrating excessively or cutting unevenly, the core issue might not be the blades themselves—but the hardware holding them in place. The Ceoighe Lawn Mower Blade Part Kit steps in as a precision-engineered solution, offering a complete hardware refresh that restores balance and cutting accuracy. With exact-fit components including a part fan, center flange bolt, and pre-torque hex lock nuts, this kit tackles the root cause of performance drops: loose or corroded fasteners. It’s a game-changer for EGO owners who demand clean, consistent cuts without the hassle of sourcing individual parts.

In real-world testing on an LM2150SP, replacing the old, rusted bolts and worn fan with Ceoighe’s kit immediately reduced vibration and improved airflow under the deck. The high-efficiency fan design enhances cooling and prevents grass clumping, which is critical during damp mowing conditions. The precision-machined metal bolts maintain optimal blade tension, ensuring the dual blades spin in perfect sync. While the kit doesn’t include blades, that’s by design—it focuses on the often-overlooked components that affect performance just as much. The only caveat? It’s exclusive to EGO’s 21-inch dual-blade models, so it won’t help with single-blade or other-brand mowers.

When compared to generic hardware kits, the Ceoighe set stands out with its brand-specific engineering and corrosion-resistant coating, offering a level of reliability most universal packs can’t match. It’s the ideal choice for EGO Power+ users who treat their mower as a long-term investment and want OEM-level performance without visiting a service center. For those maintaining multiple mowers, it may not be the most versatile option—but for EGO dual-blade models, it delivers unmatched fit and function. It offers greater durability and system integration than basic bolt-and-nut replacements, making it worth the premium for compatible users.

There’s nothing more frustrating than a frayed or broken recoil starter rope when you’re ready to mow—especially if you’re facing a tall grass weekend. The New Recoil Starter Rope delivers a simple, low-cost fix that gets your engine roaring again in minutes. At just 3.5mm thick and 3 meters long, this nylon pull cord is built to withstand repeated yanks, while the red-and-white color combo ensures high visibility in low-light conditions. It’s a lifesaver for aging gas-powered tools, from lawn mowers to brush cutters, and its universal fit makes it a must-have in any outdoor toolkit.

During testing, the rope held up well when installed on a 6-year-old Stihl trimmer with a stubborn engine. The nylon material resists stretching and fraying, even after dozens of pulls, and the plastic handle feels sturdy in hand. While it’s not a plug-and-play replacement—users must rewind the spring mechanism—it’s one of the most affordable ways to avoid costly repairs or replacements. Just be sure to measure your original cord length and housing size, as the 3-meter length may need trimming to fit certain models. It’s not the flashiest part, but when your mower won’t start, this little cord becomes mission-critical.

Compared to OEM replacement parts, this aftermarket kit offers nearly identical performance at a fraction of the cost. While it lacks the branding and packaging of name-brand versions, it performs just as reliably when installed correctly. It’s perfect for DIYers and budget-conscious homeowners who value functionality over frills and want to keep their equipment running without overspending. For the price, it delivers exceptional value and accessibility, especially when stacked against pricier branded alternatives.

A clogged or degraded air filter is a silent killer of small engines, robbing your mower of power and fuel efficiency. The 4PCS 593260 Air Filter Pack tackles this issue head-on with four high-permeability filters designed to keep your Troy-Bilt, MTD, or Craftsman engine breathing clean. Made with quality filter paper and rubber sealing edges, these oval-shaped cartridges ensure a snug fit and maximum airflow, directly translating to smoother starts and longer engine life. For homeowners who mow weekly, this multi-pack is a maintenance game-changer, eliminating the need to reorder every season.

In field use, replacing an old, dirt-packed filter with one from this set resulted in noticeably quicker engine startup and reduced sputtering on a 675EXI-powered Yard Machines mower. The 4.33-inch oval design fits perfectly into the housing without gaps, preventing unfiltered air from bypassing the system. Installation is a breeze—just pop out the old one and drop in the new. These filters are especially valuable during spring and fall when dust and debris are at their peak. While they’re not washable (intended for replacement, not cleaning), the four-pack provides excellent long-term value.

When stacked against single-filter options, this 4-pack wins on cost-per-unit and convenience, making it ideal for multi-mower households or those who hate running out of spares. It’s a smarter buy than buying one at a time from hardware stores, and the compatibility with major brands like Snapper and Craftsman adds to its appeal. While it doesn’t offer advanced filtration like some premium models, it delivers reliable, no-fuss performance where it matters most. It provides better long-term savings and readiness than single replacements, especially for seasonal users.

When your Husqvarna or Poulan mower’s engine won’t respond to throttle adjustments, the culprit is often a stretched or broken zone control cable—a small part with a big impact. The 532183281 replacement cable delivers a direct-fit solution with a 53.5-inch total length and Z-bend ends that match OEM specifications perfectly. Made to replace aging cables on self-propelled and push mowers, this aftermarket part restores precise engine control, allowing smooth speed transitions and reliable starts. It’s a must-have for Husqvarna and Poulan owners whose mowers are losing responsiveness.

During testing on a 10-year-old Craftsman push mower, the new cable eliminated the “dead zone” in throttle response, bringing back instant engine reaction. The 118 cm conduit ensures proper routing along the handlebar, while the stainless steel inner cable resists stretching over time. Installation was straightforward, though users should take care to align the Z-bends correctly. It’s not the most durable option on the market—heavy-duty commercial use may wear it faster—but for residential mowing, it performs flawlessly. It’s especially valuable for older models where OEM parts are hard to find.

Compared to the XIKOBY Troy-Bilt cable, this one is more specialized but less versatile, focusing solely on Husqvarna and Poulan platforms. While it lacks the universal fit of some alternatives, it wins on exact compatibility and ease of installation for its target models. It’s the go-to choice for Husqvarna users who want a reliable, no-hassle fix without overpaying. It offers better brand-specific reliability than multi-fit cables, making it a smarter pick for compatible mowers.

For Troy-Bilt and MTD owners, a sluggish throttle can turn mowing into a chore—but the XIKOBY 946-04661A control cable brings back crisp, responsive engine control with minimal effort. Engineered to fit 21-inch self-propelled mowers with Briggs & Stratton engines, this 746-04661A replacement features a 51-inch cable and Z-bend ends that ensure a seamless swap. The stainless steel inner wire and rubber housing resist corrosion and stretching, maintaining consistent tension over time. It’s a lifeline for aging mowers that have lost their pep.

In real-world use on a TB230, the new cable eliminated throttle lag and restored full speed range, from idle to max power. The 37.5-inch conduit routes cleanly along the handle, and the included zip ties make securing it a breeze. Installation was tool-free and took under 10 minutes—no adjustments needed. Unlike cheaper cables that fray quickly, this one feels robust and well-constructed, built for regular use. The only downside? It’s not compatible with non-MTD platforms, so Husqvarna or Honda users should look elsewhere.

When compared to the 532183281 Husqvarna cable, the XIKOBY model offers broader compatibility within the MTD family, fitting everything from Craftsman to Yard Machines. It’s a better choice for users with multiple MTD-brand mowers. While it doesn’t have the OEM branding, it delivers equivalent performance at a lower cost. It’s ideal for homeowners who want a durable, easy-to-install fix without brand markup. It provides greater versatility across MTD models than single-brand cables, making it a smarter long-term investment.

Loose or broken handle knobs are more than an annoyance—they can compromise control and safety during mowing. The NQEUEPN 4 Sets Handle Bolts offer a universal, wrench-free solution with triangle-shaped wing nuts that tighten securely by hand. Made from galvanized iron and hard plastic, these bolts resist rust and cracking, even after seasons of outdoor exposure. The 0.3-inch (7.74mm) diameter fits most Honda and generic mowers, making this kit a smart staple for any garage. It’s a small part that delivers big peace of mind.

In practice, replacing worn knobs on a Honda HRR216 with these triangle bolts was fast and secure. The three-point design provides excellent grip, preventing loosening from vibration. Being able to tighten them manually—no wrench needed—makes mid-season adjustments effortless. The 4-set pack ensures you always have spares, avoiding mowing delays. While not all mowers use this exact size, the 7.74mm bolt is widely standardized, covering most residential models. Just double-check your hole size before buying.

Compared to the 2-set budget option, this 4-pack offers double the value and preparedness, making it better for multi-mower households. It’s less flashy than branded parts but performs just as well. Ideal for DIYers who want a reliable, long-lasting fix without overpaying, it’s a quiet hero in lawn mower maintenance. It delivers greater quantity and readiness than smaller kits, especially for frequent users.

A loose or cracked fuel cap might seem minor, but it can lead to vapor leaks, hard starts, and even engine flooding—especially in modern carbureted mowers. The 594061 Fuel Tank Cap solves this with a direct replacement designed for B&S-powered Toro and Craftsman mowers. Featuring a vented design and included O-ring, it ensures airtight sealing while allowing proper pressure release. It’s a critical but often overlooked part that keeps your fuel system functioning smoothly.

Tested on a 675EXI-series mower, the new cap eliminated fuel odor and improved cold starts, confirming a proper seal. The O-ring creates a snug fit, and the cap clicks securely into place. While it’s not compatible with all mowers—only those with B&S 675EXI/725EXI engines—it’s a perfect match when it fits. The build quality feels solid, with no creaking or wobbling. For users dealing with stale fuel issues or evaporation, this cap can be a simple yet transformative fix.

Compared to generic caps, this one offers superior sealing and model-specific engineering, reducing the risk of leaks. While it’s not a universal part, it outperforms one-size-fits-all options in reliability. It’s the best choice for Toro and Craftsman owners with B&S engines who want OEM-level performance. It provides better sealing and compatibility than generic fuel caps, making it worth the slight premium.

When handle knobs fail, mowing becomes unsafe—and the 2 Sets Lawn Mower Handle Bolts offer a budget-smart fix that gets you back on track fast. These triangle-winged bolts, made from reinforced ABS and galvanized iron, deliver a secure, hand-tightened grip without needing tools. At just under $6, it’s the most affordable way to replace broken or stripped knobs on Honda and compatible mowers. The 47mm length and 7.74mm diameter match most standard handles, making this a go-to for quick repairs.

In testing, the bolts installed easily on a Craftsman M230, restoring firm handle tension. The triangular nut design resists loosening from vibration, and the plastic won’t crack like brittle OEM knobs. While the 2-set pack is sufficient for one mower, it’s not as future-proof as the 4-pack option. Still, for occasional users or those fixing a single mower, it’s plenty. Just verify your bolt hole size first—a mismatch could lead to wobble.

Compared to the NQEUEPN 4-set kit, this one offers half the quantity at a lower price, making it ideal for one-time fixes. It’s not the most durable long-term solution, but for light use, it performs reliably. Best for budget-focused homeowners who need a fast, functional fix without extras. It provides similar quality to pricier kits at a fraction of the cost, making it a smart entry-level choice.