Home / 1 Pack NGK 6637 Iridium IX Spark Plug BPR6EIX
1 Pack NGK 6637 Iridium IX Spark Plug BPR6EIX
$21.77
Free shipping on all orders.
Qty In Stock: 20
The NGK 6637 Iridium IX Spark Plug (BPR6EIX) is built for high-performance and long-lasting ignition in small engines, motorcycles, and powersports vehicles. With an ultra-fine iridium center electrode and tapered ground electrode, it ensures superior ignitability, reduced misfires, and exceptional durability under demanding conditions.
Features & Benefits:
🔧 Iridium center electrode delivers long life and stable spark
🔧 Fine-wire design enhances ignition efficiency and throttle response
🔧 Tapered ground electrode reduces quenching for better combustion
🔧 Pre-gapped for easy, OE-style installation
Specifications:
Brand & Part Number: NGK 6637 (BPR6EIX)
Material: Iridium
Thread Size: 14mm
Reach: 19mm (0.75 in)
Hex Size: 13/16 in (20.8mm)
Heat Range: 6
Seat Type: Gasket
Resistor: Yes
Gap: 0.8mm (0.031 in)
Choose NGK BPR6EIX Iridium IX for dependable ignition, improved fuel efficiency, and long service life in your small engine or powersport application—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.
