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NGK Iridium IX Spark Plug - NGK (7177)

NGK part # 7177

NGKMPN7177
Description : NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.
Iridium IX Spark Plug
Iridium IX Spark Plug: Single Iridium Fine Wire, UR5IX
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Product Details

Description

NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.
Iridium IX Spark Plug
Iridium IX Spark Plug: Single Iridium Fine Wire, UR5IX

Features & Benefits

  • SINGLE IRIDIUM TIP: Fine wire 0.6 millimeter iridium tip center electrode ensures high durability and a consistently stable spark
  • IRIDIUM ALLOY CENTER ELECTRODE: Iridium's density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
  • TAPERED CUT GROUND ELECTRODE: Reduced quenching design produces outstanding ignitability, improved acceleration, fuel efficiency and durability
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
  • RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs

Part Number (MPN)
7177
Brand
SKU
7177
Condition
New
Brand
NGK Iridium IX
Center Electrode Core Material
Copper
Center Electrode Design
Fine Wire
Center Electrode Tip Material
Iridium
Electrical Terminal Type
Non-Removable Nut
Grade Type
Performance
Ground Configuration
Standard
Ground Electrode Core Material
Nickel
Ground Electrode Quantity
1
Ground Electrode Tip Design
Taper Cut
Ground Electrode Tip Material
Nickel
Hex Size
5/8
Insulator Height
53.00
Manufacturer Heat Range
5
Part Number
UR5IX
Pre-Gap Size
.040
Reach
.46
Resistance
5000.0
Resistor Type
Yes
Seat Type
Tapered
Stock Number
7177
Thread Diameter
14.00
UPC
00087295171776
Washer Included
No

YearMakeModelBody & TrimEngine & Transmission
Vehicle #1
Year
Make
Model
Body & Trim
Engine & Transmission

BrandEquivalent Part Numbers

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0-0 of 0

BrandEquivalent Part Numbers
ACDelco
10, 1, 2
Autolite
XP24, XP25, XP24DP2, XP25DP2
Bosch
4502, HGR9BQI, H8BP, 4448
Champion Spark Plug
V12YC
Denso
7177, ITF20TT, 5330, 4716, IFT16, ITF16, ITF20
Motorcraft
SP501, AF42, ASF32P
NGK
UR5IX

Shipping Policy

At Restauco Parts, we ship to the 48 contiguous U.S. states and Puerto Rico. Every order ships from our supplier's authorized warehouses located in the United States. At this time we do not ship to Alaska, Hawaii, the U.S. Virgin Islands, Guam or other U.S. territories.

When will my order be processed?
Orders are processed Monday through Friday. You will receive a tracking number by email once your order has shipped. Weekend orders will be processed the next business day.

How long will it take to receive my order?
Delivery time depends on the carrier and your location. Oversized shipments may require additional time — you will be contacted prior to shipping for approval.

Which carriers do you use?
We ship via UPS, FedEx, and USPS depending on the size, weight, and destination of your order. The most appropriate carrier will be selected at the time of fulfillment. Carrier substitutions may be made to reduce shipping costs to the customer.

Do you ship internationally?
We do not ship internationally. We ship within the 48 contiguous U.S. states and Puerto Rico.

VIN Requirement
We strive for 100% accuracy on all orders. To help us achieve this goal, we ask that you include your car's VIN when placing your order. This is a courtesy service to help avoid wrong part orders and returns. We are not responsible for 100% guaranteed fitment.

Backordered or Discontinued Parts
In the unlikely event that a part has been placed on backorder or discontinued, we will do our best to find it for you as quickly as possible.

Questions?
If you have any questions about your shipment, please contact us at [email protected]

Check out our Shipping Policy for more details.

Return Policy

We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.

To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You'll also need the receipt or proof of purchase. To start a return, you can contact us at [email protected] Please note that returns can be made to several branches, contact us to provide thhe correct information.

If your return is accepted, the refund will be processed between 3-4 business day once we receive the item. Items sent back to us without first requesting a return will not be accepted. NOTE: We don't make refund for shipping cost. You can always contact us for any return question at [email protected].

Damages and Issues

Please inspect your order upon receipt and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.

Refunds

We will notify you once we've received and inspected your return, and let you know if the refund was approved or not. If approved, you'll be automatically refunded on your original payment method within 10 business days (excluding shipping cost). Please remember it can take some time for your bank or credit card company to process and post the refund too. If more than 15 business days have passed since we’ve approved your return, please contact us at [email protected].


Check out our Return Policy for more details.

NGK

NGK spark plugs deliver superior ignition performance and longevity, making them the go-to choice for engine efficiency and reliability. Shop NGK premium and standard spark plugs at Restauco and maintain optimal combustion performance across all 50 states. Order replacement NGK ignition components engineered with advanced materials for extended service intervals. Buy NGK auto parts online with free nationwide shipping and keep your engine firing efficiently with trusted Japanese engineering.

Browse the Full NGK Parts Catalog

Restauco.com

Restauco Parts is your trusted online source for genuine OEM and premium aftermarket auto parts. We carry top brands including ACDelco, GM Genuine Parts, Motorcraft, Dorman, Akebono, Wagner, and Bilstein. Whether you need brake pads, suspension parts, ignition coils, fuel pumps, or engine components, we offer competitive prices and fast shipping on thousands of parts for all major makes and models. Shop with confidence — every part we sell meets or exceeds OEM quality standards.