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Home / NGK 6578 Spark Plug BPR4ES - 2 Pack - For Kawasaki 6578 Toro: 92070-7004 Arien (9873)

NGK 6578 Spark Plug BPR4ES - 2 Pack - For Kawasaki 6578 Toro: 92070-7004 Arien (9873)

$16.77

Free shipping on all orders.

Qty In Stock: 20

The NGK 6578 Spark Plug (BPR4ES) is a high-quality standard plug designed for consistent ignition, efficient combustion, and long service life. With a solid copper core and nickel alloy electrode, it offers excellent heat dissipation, corrosion resistance, and dependable performance—ideal for lawn equipment, marine engines, and automotive applications.

Features & Benefits:

🔧 Copper core ensures strong spark and effective heat transfer
🔧 Nickel alloy electrode resists fouling and corrosion
🔧 Reliable ignition for a wide range of engine types
🔧 Pre-gapped for fast, accurate installation

Specifications:

Brand & Part Number: NGK 6578 (BPR4ES)
Material: Nickel with Copper Core
Thread Size: 14mm
Reach: 19mm (0.75 in)
Hex Size: 13/16 in (20.8mm)
Heat Range: 4
Seat Type: Gasket
Resistor: Yes
Gap: 0.7mm (0.028 in)

Choose NGK BPR4ES for dependable starts, long-lasting performance, and trusted ignition in small engines and vehicles—order now!

Shipping Info

Free shipping on every US order. In-stock parts typically ship within 1 business day from Texas.

Returns

30-day returns on unused parts in original packaging. Wrong or defective items are replaced or refunded. See the return policy.

How do I confirm this part fits?

Match the brand and part number to your vehicle, or use the Parts Finder on the homepage. Contact us before ordering if you are unsure.

Are these parts new?

Yes. TXN Supply Co sells new parts from trusted OEM-quality brands — not remanufactured cores.

How fast will my order ship?

In-stock orders ship within 1 business day. Delivery time depends on your ZIP; most US addresses arrive in 2–5 business days.

What is your return policy?

Unused items can be returned within 30 days in original packaging. Customer-initiated returns may include a restocking fee and return shipping.