Home / 4 Pack Bosch 9603 FR7KII33X Double Iridium Spark Plugs
4 Pack Bosch 9603 FR7KII33X Double Iridium Spark Plugs
$57.77
Free shipping on all orders.
Qty In Stock: 20
The Bosch 9603 FR7KII33X Double Iridium Spark Plugs 4 Pack is designed to deliver superior ignition, enhanced engine efficiency, and long-lasting performance for automotive applications. Built with advanced iridium technology, these spark plugs ensure reliable starts, improved fuel economy, and reduced emissions for optimal engine operation.
Features & Benefits:
🔧 Includes 4 Bosch FR7KII33X double iridium spark plugs for convenient replacement
🔧 Iridium center electrode provides superior durability and performance
🔧 Enhanced spark plug design improves fuel efficiency and reduces emissions
🔧 Designed for reliable ignition under various driving conditions
Specifications:
Brand & Part Number: Bosch 9603 (FR7KII33X)
Quantity: 4 Pack
Plug Type: Double Iridium Spark Plug
Thread Size: 14mm
Reach: 26.5mm (1.04 in)
Hex Size: 16mm (5/8 in)
Heat Range: 7
Seat Type: Gasket
Resistor: Yes
Choose Bosch FR7KII33X spark plugs for reliable ignition, enhanced performance, and trusted quality—order this 4 pack today!
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.
