Vertiwell Ignition Coil Pack Set for Briggs & Stratton Intek V‑Twin 18–22HP — 2-Pack Copper‑Wound Replacement for 407000/405000 Se

Vertiwell’s Set of 2 Ignition Coil Packs are direct-fit replacement coils engineered to restore reliable spark and smooth running for Briggs & Stratton Intek V‑Twin 18–22HP engines.

If your mower or small engine is showing signs of misfire, hard starting, or poor throttle response, worn or failing ignition coils are a common cause. This pair of coil packs is built to match the electrical and mounting characteristics of many Briggs & Stratton Intek V‑Twin models (including 407000, 405000 and 401000 series) and directly replaces a long list of factory part numbers so you can get back to cutting without guessing which component is faulty.

How do these coil packs improve engine performance?

Each coil is wound with high‑conductivity copper to deliver consistent high‑voltage pulses to the spark plugs. Consistent spark timing supports more complete combustion, which helps the engine run smoother and with fewer interruptions. While exact benefits depend on engine condition and tune, replacing degraded coils typically reduces backfiring, rough idles and intermittent stalling.

• Copper-wound design for steady spark energy
• Reduces misfires and erratic idling
• Supports improved throttle response and combustion

Will these fit my Briggs & Stratton Intek V‑Twin engine?

These coil packs are manufactured to be compatible with Intek V‑Twin 18HP, 19HP, 20HP, 21HP and 22HP engines and match many OEM numbers. They list direct replacement compatibility with models such as 407000, 405000 and 401000 series and replace several factory part numbers. Always verify fitment against your engine’s model and part numbers before installation.

• Designed for Intek V‑Twin 18–22HP family
• Cross-references include 592846, 799651, 691060 and others
• Verify chassis and mounting alignment before purchase

How difficult is installation and what tools are needed?

Installation is straightforward for anyone comfortable with basic outdoor power equipment maintenance. The coils use standard mounting points and plug-and-play wiring, so you typically need only hand tools and a service manual or schematic to ensure correct spark lead routing. If you’re replacing both coils, it’s a convenient time to inspect spark plugs, wires, and the ignition module.

• Standard sockets or wrenches for mounting bolts
• Electrical connector inspection and secure seating
• Follow engine spark order and torque specs from manual

What should I expect in terms of durability and warranty?

Vertiwell builds these coils with quality materials intended for the demands of lawn and garden equipment. Their construction aims to resist heat and vibration common in V‑Twin applications. Each purchase includes a 12‑month limited warranty to cover manufacturing defects, giving you a window to confirm fit and function without immediate worry.

• Robust housing to withstand engine heat and vibration
• 12‑month warranty from Vertiwell against defects
• Sold as a 2‑coil set for matched performance on both cylinders

Who is this for? This replacement set is intended for homeowners, landscapers and small‑engine technicians who need reliable coil packs for Briggs & Stratton Intek V‑Twin models (18–22HP). It’s a practical upgrade when troubleshooting misfires, poor starting or inconsistent engine behavior, and for anyone performing scheduled ignition maintenance. Before ordering, match your engine’s model and part numbers to the compatibility list to ensure correct fitment.