TURBOTUNITY Ignition Coil for Honda GCV/GC/GS/GSV 135-190cc - Direct-Fit Replacement, OEM Connector

This ignition coil assembly is made for small-engine applications common to Honda GCV, GC, GS and GSV families (135–190 cc) and for many walk-behind mowers, snowblowers, generators, rototillers and water pumps from Honda and compatible brands. The part offers the same mounting pattern, electrical connector layout and firing characteristics as the original equipment numbers listed so you can swap the unit quickly and get your machine running again.

Which engines and machines will this coil work with?

The coil fits Honda GCV, GC, GS and GSV series engines in the 135–190 cc range, and it is compatible with many OEM machines that use those engines. Cross-reference the part numbers and serial ranges provided to confirm fitment before purchase.

• Fits Honda GCV/GC/GS/GSV 135, 160, 190 engines
• Compatible with Honda HR, HRS, HRR, HRX, HRT mower families listed
• Works with HS520/HS720 snowblowers and EN2000/EN2500 generators
• Also fits FG400/FG500 rototillers and WN20/WN30 AX1 water pumps

How do I confirm this is the correct replacement part?

Verify the part by matching the OEM numbers, connector shape and mounting holes to your existing coil. The product lists multiple compatible OEM numbers—check your engine serial number range and the pictures to ensure exact compatibility.

• Compare listed parts: 30500-ZL8-004, 30500-ZL8-014, 30500-Z0J-003, 30500-Z8B-901
• Match the coil’s connector style and mounting flange to your engine
• Confirm engine model and serial range where provided for accurate fit
• Inspect product photos to check orientation and lead routing

What should I expect during installation and performance?

Installation is a straightforward swap for owners familiar with small-engine wiring: disconnect battery (if fitted), remove flywheel cover, unbolt the old coil, disconnect the high-tension lead and plug, then install the new coil in reverse order. Once installed, it should restore reliable spark and consistent starting when all other ignition components are in good condition.

• Direct-fit mounting for easy bolt-on replacement
• OEM-style high-tension lead and connector for plug compatibility
• Requires basic tools and routine safety precautions
• If symptoms persist, check spark plug, kill switch and wiring

Are there multiple part numbers and why do they matter?

Yes—this offering covers several OEM references and serial ranges to match different production runs and engine revisions. Choosing the correct part number avoids fitment and clearance issues caused by minor variations in coil housings and connector types.

• Included part numbers: 30500-ZL8-004 and 30500-ZL8-014
• Cross-references: 30500-Z0J-003 and 30500-Z8B-901 (serial ranges noted)
• Always confirm your engine’s serial range when listed for exact matching
• Pictures and descriptions help verify connector and mount details

This TURBOTUNITY ignition coil is ideal for DIY owners, small-engine mechanics and fleet managers who need a reliable, OEM-style replacement for Honda-based outdoor power equipment and compatible-brand products. It’s designed for people who want a direct-fit part to minimize downtime and preserve original engine geometry and electrical connections. Remember to double-check the listed part numbers and compare the product images with your existing coil before ordering.