1974 Jaguar XJ12 Spark Plug

Part Number: W0133-1915141

Notes: G-Power

Product Remark: BPR6EGP

Features:

• Fine Wire Platinum Tipped Center Electrode Reduces Required Voltage for Better Starts, Superior Acceleration and Increased Fuel Economy
• Trapezoid Cut Ground Electrode Reduces Quenching
• Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing Properties
• Corrugated Ribs Prevent Flashover
• Pure Alumina Silicate Ceramic Insulator, Provides Superior Strength and Better Heat Transfer
• Copper Core Aids in Heat Removal
• Triple Seals Prevent Leakage

Part Number: W0133-1914648

Notes: G-Power

Detailed Notes: G-Power

Product Remark: TR5GP

Features:

• Fine Wire Platinum Tipped Center Electrode Reduces Required Voltage for Better Starts, Superior Acceleration and Increased Fuel Economy
• Trapezoid Cut Ground Electrode Reduces Quenching
• Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing Properties
• Corrugated Ribs Prevent Flashover
• Pure Alumina Silicate Ceramic Insulator, Provides Superior Strength and Better Heat Transfer
• Copper Core Aids in Heat Removal
• Triple Seals Prevent Leakage

Part Number: 15639-05174480

Notes: G-Power Spark Plug -- Gap 0.025"

Features:

• Trivalent metal plating eliminates the need for anti-seize. For better performance consider upgrading to a NGK Iridium IX plug. For even greater performance consider upgrading to a NGK RUTHENIUM HX(TM) plug.

Part Number: 15639-05174462

Notes: Iridium IX Spark Plug -- Gap 0.025"

Features:

• The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloys extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to a NGK RUTHENIUM HX(TM) plug.

Part Number: W0133-1635520

Notes: Iridium-IX

Product Remark: TR5IX NGK

Features:

• Fine Wire Center Electrode Ensures High Durability and a Consistently Stable Spark
• Iridium Alloy has an Extremely High Melting Point, Perfect for Todays High-Tech, High Performance Engines
• Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing Properties
• Corrugated Ribs Prevent Flashover
• Pure Alumina Silicate Ceramic Insulator, Provides Superior Strength and Better Heat Transfer
• Copper Core Aids in Heat Removal
• Triple Seals Prevent Leakage

Part Number: 15639-05174488

Notes: Standard Spark Plug -- Gap 0.025"; OE Equivalent Design

Features:

• The solid Copper Core offers superior heat dissipation, conductivity and broad heat range. For even greater performance consider upgrading to a NGK Iridium IX Spark Plug.

Part Number: W0133-1641785

Notes: V-Power

Product Remark: BR7EF NGK

Features:

• Lowers ignition system voltage requirements
• Greater ignitability and performance over conventional spark plugs
• Corrugated Ribs Prevent Flashover
• Trivalent Metal Plating has superior anti-corrosion and anti-seizing properties
• Pure Alumina Silicate Ceramic Insulator, Provides Superior Strength and Better Heat Transfer
• Increased fuel economy and lower emissions
• Highly durable against electrical and chemical wear
• Triple Seals Prevent Leakage Economical performance a

Part Number: W0133-1641734

Notes: V-Power

Product Remark: TR5 NGK

Features:

• Lowers ignition system voltage requirements
• Greater ignitability and performance over conventional spark plugs
• Corrugated Ribs Prevent Flashover
• Trivalent Metal Plating has superior anti-corrosion and anti-seizing properties
• Pure Alumina Silicate Ceramic Insulator, Provides Superior Strength and Better Heat Transfer
• Increased fuel economy and lower emissions
• Highly durable against electrical and chemical wear
• Triple Seals Prevent Leakage Economical performance a

Part Number: 15639-05174456

Notes: V-Power Spark Plug -- Gap 0.025"

Features:

• NGK V-Power spark plugs are tested to the highest OE standards. Trivalent metal plating eliminates the need for anti-seize. For even greater performance consider upgrading to a NGK Iridium IX Spark Plug.

Part Number: 15639-07972736

Notes: Spark Plug -- Gap: .025; Enhanced Tapered Ground Electrode With Platinum Chip

Features:

• Meets or exceeds OEM specifications
• Rigorous quality control measures
• 12-month SKP limited warranty

Part Number: 15639-05201298

Notes: Double Platinum -- Gap 0.032; Double Platinum Plug - Extra Long Life Double Platinum Plug with Platinum Ground Strap

Part Number: 15639-05169625

Notes: Iridium Power -- Gap 0.044; Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Iridium Alloy (90% Iridium)

Part Number: 15639-05445062

Notes: Iridium TT -- Gap 0.040; Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology

Part Number: 15639-05169536

Notes: Platinum TT -- Gap 0.040; Platinum TT - Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap

Part Number: 15639-05051903

Notes: U-Groove Conventional -- Gap 0.032; O.E. Recommended Resistor Plug with Patented U-Groove Design

Features:

• W20EXR-U
• Increases engine performance and throttle response
• Efficient fuel consumption
• Improved cold-starting
• Stable combustion during idling

Part Number: 15639-05008399

Notes: GM Original Equipment Conventional -- New; Gap .025

Part Number: 15639-07456005

Notes: Professional Double Platinum -- New; Gap 0.025in

Part Number: 15639-09182996

Notes: Copper Resistor Spark Plug -- .025 Gap; OE Style

Features:

• Autolite Copper Core plugs are designed to meet or exceed OES design requirements.

Part Number: 15639-09183076

Notes: Double Platinum Spark Plug -- .025 Gap

Features:

• Autolite Double Platinum plugs feature platinum-to-platinum firing which virtually eliminates gap erosion, reduces misfires and increases durability of the plug.

Part Number: 15639-03651194

Notes: Iridium Spark Plug -- Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .025 Gap

Features:

• Our best spark plug! Autolite Iridium XP spark plugs feature an iridium-enhanced 0.6mm finewire design and patented platinum sidewire technology to provide better overall durability and a more focused ignition.

Part Number: 15639-09183039

Notes: Platinum Spark Plug -- .025 Gap

Features:

• Autolite Platinum plugs provide a center wire platinum firing tip which provides reduced gap erosion, fewer misfires, better performance and increased durability.

Part Number: 15639-05021072

Notes: Nickel -- Gap 0.035 in

Features:

• Heavy-duty yttrium enhanced nickel-copper center electrode ensures superior reliability and durability for up to 50% longer performance life vs. standard copper plugs
• Copper core provides broader heat range to resist pre-ignition and fouling
• Nickel-plated rolled threads provide superior resistance to corrosion and do not require anti-seize - saving time
• Angled, ribbed insulator design prevents misfire due to flash-over
• Metal glass fused resistor maximizes interference suppression

Part Number: 15639-03398994

Notes: SUPER

Part Number: 15639-09023645

Notes: Champion Iridium -- Plug Type RN8WYPB3; Gap 0.025in

Part Number: 15639-09023471

Notes: Copper Plus -- Plug Type N9YC; Non-Resistor Type; Gap 0.025in

Part Number: 15639-09023528

Notes: Copper Plus -- Plug Type RN9YC; Resistor Type; Gap 0.025in

Part Number: 15639-05627886

Notes: Double Platinum Power -- Plug Type RN9PYP; Gap 0.025in

Part Number: 15639-05048445

Notes: Copper Resistor Spark Plug -- OE Style; .025"/0.6mm; Plug Material: Copper

Features:

• Standard Copper Core Spark Plug Tested to Ford specifications for performance and emissions.
• Resistant to oxidation and arc erosion.
• Multi-rib insulator protects against misfire.
• Service interval of up to 60,000 miles.
• Nickel-Alloy Spark Plug Feature electrodes engineered for extended life without platinum enhancements.
• Nickel-plated shell for corrosion resistance.
• Non-Extended-Tip Spark Plug Used in most older-model car engines and some current-model truck engines.
• Commercial and small engine applications.
• Extended-Tip Spark Plug Fits most automotive as well as many specialty applications.
• Used in most modern engines.
• Helps prevent fouling at low speeds.
• Provides self-cleaning action at higher speeds.
• Extra-Extended-Tip Spark Plug Used in certain specially designed engines.
• Projects farther into combustion chamber to achieve optimum spark location.
• Platinum-Tip Spark Plug Used for conventional distributor-equipped and coil-on-plug ignition systems found in many Ford, Lincoln and Mercury vehicles.
• High melting point provides excellent resistance to erosion.
• Provides service intervals from 60,000 to 100,000 miles.
• Available as replacement spark plugs for older model-year vehicles.
• Designated by the letters P or E in the part number suffix on plug body and box.
• Helps realize extended service intervals of 60,000 to 100,000 miles
• Fine-Wire Double-Platinum Spark Plug Enhanced electrode wear vs single platinum.
• 2 to 3 times more platinum vs single platinum reduces the required firing voltage, resulting in diminished erosion of the platinum and increased resistance to fouling.
• Fits most automotive and many specialty applications.
• Designated by the letters F or FE in the part number suffix on plug body and box.
• 0.8 mm fine-wire design.
• Includes a platinum pad on both electrodes.
• Proprietary platinum pad on side wire electrode.
• Service interval of up to 100,000 miles.
• Platinum-Iridium Spark Plug Can be used in any engine regardless of ignition system.
• Iridium-enhanced center electrode.
• interval of up to 100,000 miles.
• High-Strength Steel High Thread Spark Plug 0.8 mm fine-wire design.
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