FILTERUP Ignition Coil 2‑Pack for Kawasaki FR/FS/FX Engines — Direct Fit, Plug‑and‑Play Replacement (21171-0743/0711/0738)

FILTERUP 2-set ignition coils replace 21171-0743/21171-0711/21171-0738 to restore reliable spark and smoother starts for compatible Kawasaki FR, FS and FX small engines.

These two ignition coils are designed as direct-fit replacements for a range of Kawasaki engine models used in mowers and light-duty equipment. They arrive plug-and-play ready, matching OEM replacement numbers to save installation time and reduce troubleshooting. FILTERUP backs the set with a one-year product quality support commitment and responsive customer service.

Which Kawasaki engines will these coils fit?

The FILTERUP coils are compatible with many FR, FS and FX series Kawasaki engines commonly found on walk-behind mowers and landscaping equipment. Confirm your engine model and part number before ordering to ensure proper fitment.

• FR Series: 541V, 600V, 651V, 691V, 730V
• FS Series: 481V, 541V, 600V, 691V, 730V
• FX Series: 481 through 921V
• Replaces part numbers: 21171-0743, 21171-0711, 21171-0738, 21171-7041, 21171-7042, 21171-7047

How do these replacement coils affect starting and running?

These coils increase ignition energy intensity to help produce a stronger, more consistent spark. That can improve starting reliability and contribute to steadier engine operation under light loads, especially in older or worn ignition systems.

• Higher ignition intensity for improved spark consistency
• Plug-and-play design to simplify installation
• Pair kit (2 coils) to service multi-cylinder or dual-coil engines at once

What should I expect during installation and maintenance?

Installation follows the same mounting and electrical connections as the original coils—no special tools or modifications are required for compatible engines. Always disconnect the battery or power source, and follow OEM torque and routing specifications for hardware and plug wires.

• Direct-fit replacement; follow original mounting points
• Use correct spark plug gap and torque per engine manual
• Inspect boot and wire routing to avoid heat or abrasion damage

What does FILTERUP provide with this product and support options?

The package contains two ignition coils as pictured; spark plugs and additional hardware are not included. FILTERUP offers one year of product quality support and a customer service response within 24 hours for ordering or fitment questions.

• Includes: two ignition coils (no spark plugs)
• Support: 1-year product quality coverage
• Customer response: typically within 24 hours for inquiries

Who is this for: This 2-set ignition coil kit is intended for DIY mechanics, small-engine repair shops and landscaping professionals who need a reliable OEM-style replacement for Kawasaki FR, FS and FX series engines. Choose this kit if you want a straightforward, plug-and-play swap to restore ignition performance and reduce downtime on mowers or light equipment.