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1985 Cadillac Commercial Chassis

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6 Cyl 4.3L 8 Cyl 4.1L

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1985 Cadillac Commercial Chassis Spark Plug 8 Cyl 4.1L NGK

NGK G-Power Platinum Spark Plug
Gap 0.060"
G-Power Spark Plug
Product Attributes:
- Center Electrode Design: Fine Wire
- Center Electrode Insulator Tip Projection:
  - 0.16
  - 4.0
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Grade Type: Standard Replacement
- Service Number: Tr55gp
- Ground Electrode Tip Material: Nickel
- Short Style Spark Plug: No
- Skirt: No
- Center Electrode Core Material: Copper
- Part Number: Tr55gp
- Resistor Type: Yes
- Stock Number: 3403
- Ground Electrode Tip Design: Trapezoid
- Pre-Gap Size:
  - .060
  - 1.5
- Ground Electrode Core Material: Nickel
- Material Grade: Platinum
- Center Electrode Projection: Mid Projection
- Seat Type: Tapered
- Ground Electrode Quantity: 1
- Insulator Material: Ceramic
- Hex Size: 5/8" (16mm)
- Reach:
  - 0.689
  - 17.5
- Center Electrode Tip Material: Platinum
- Skirt Length: 0.0
- Manufacturer Heat Range: 5
- Ground Configuration: J-gap
- Resistance: 5000.0
- Insulator Height:
  - 2.07
  - 52.5
- Thread Diameter:
  - 0.551
  - 14.0
Features:
- RECOMMENDED USAGE: Lower cost alternative to double precious metal spark plugs or as an upgrade to OE nickel alloy spark plugs
- SINGLE PLATINUM TIP: Fine wire 0.6 millimeter platinum tip center electrode ensures improved durability and a consistently stable spark
- TRAPEZOIDAL CUT GROUND ELECTRODE: Reduces quenching design produces improved ignitability and performance
- PLATINUM ALLOY: G-Power platinum provides exceptional value with increased performance and longer service intervals than factory nickel plugs
- COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
- SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
NGK G-Power Platinum spark plugs are the best single platinum spark plugs at an economical price. G-Power plugs feature a fine wire platinum center electrode and a trapezoidal cut ground electrode that offers increased durability, improved fuel efficiency, lower emissions, faster starts and quicker acceleration over conventional nickel spark plugs. An excellent upgrade for vehicles which used nickel alloy spark plugs originally. For better performance consider upgrading to a NGK Iridium IX plug. For even greater performance consider upgrading to a NGK RUTHENIUM HX plug.
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
This item must be purchased in quantities of 4

This Part Fits the Following OEM/Substitute Numbers:

12, 14, 3013, 3015, 3015-2, 3401, 3401-2, 3403, 3408, 3408-2, 3983, 3983-2, 41-902, 4511, 6701, 6703, 6706, 6709...VIEW MORE

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1985 - Cadillac Commercial Chassis	V	-	8 Cyl 4.1L	250

68 In Stock

Limited-Time Offer

$10.98 USD

$13.18 USD


Brand	NGK
Part #	N123403
Condition	New
Warehouse	B

1985 Cadillac Commercial Chassis Spark Plug 8 Cyl 4.1L NGK

NGK V-Power Spark Plug
Gap 0.060" OE Equivalent Design 30,000 mi OE Mfr Recommended Service Interval
V-Power Spark Plug
Product Attributes:
- Center Electrode Design: Standard
- Center Electrode Insulator Tip Projection:
  - 0.16
  - 4.0
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Grade Type: Standard Replacement
- Service Number: Tr55
- Ground Electrode Tip Material: Nickel
- Short Style Spark Plug: No
- Skirt: No
- Center Electrode Core Material: Copper
- Part Number: Tr55
- Resistor Type: Yes
- Stock Number: 3951
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
  - .060
  - 1.5
- Ground Electrode Core Material: Nickel
- Material Grade: Nickel/copper
- Center Electrode Projection: Mid Projection
- Seat Type: Tapered
- Ground Electrode Quantity: 1
- Insulator Material: Ceramic
- Hex Size: 5/8" (16mm)
- Reach:
  - 0.689
  - 17.5
- Center Electrode Tip Material: Nickel
- Skirt Length: 0.0
- Manufacturer Heat Range: 5
- Ground Configuration: J-gap
- Resistance: 5000.0
- Insulator Height:
  - 2.07
  - 52.5
- Thread Diameter:
  - 0.551
  - 14.0
Features:
- SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
- NGK's OE CERAMIC TECHNOLOGY: High grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance
- TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
- RECOMMENDED USAGE: Best for vehicles with OE nickel alloy plugs, not recommended on vehicles with factory precious metal plugs
- ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction nickel alloy center electrode with V-groove provides consistent performance
- COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
NGK V-Power spark plugs offer reliable performance and improved ignitability over standard nickel plugs. Engineered specifically for OE applications, the special V-cut nickel alloy center electrode and concave ground electrode of NGK's V-Power spark plug increases ignitability providing quicker starts and smoother idle. NGK's legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties.
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
This item must be purchased in quantities of 4

This Part Fits the Following OEM/Substitute Numbers:

103, 104, 13, 13C2, 13S, 1765268, 1835108T, 1835300T, 1835318T, 1835948T, 1835974T, 241-606, 2R44LTS6, 2R45LTS6, 3951, 4013, 41-600, 41-601...VIEW MORE

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1985 - Cadillac Commercial Chassis	V	-	8 Cyl 4.1L	250

132 In Stock

Limited-Time Offer

$10.85 USD

$13.02 USD


Brand	NGK
Part #	N123951
Condition	New
Warehouse	B

1985 Cadillac Commercial Chassis Spark Plug 8 Cyl 4.1L NGK

NGK Iridium IX Spark Plug
Gap 0.060"
Iridium IX Spark Plug
Product Attributes:
- Center Electrode Design: Fine Wire
- Center Electrode Insulator Tip Projection:
  - 0.16
  - 4.0
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Grade Type: Performance
- Service Number: Tr55ix
- Ground Electrode Tip Material: Nickel
- Short Style Spark Plug: No
- Skirt: No
- Center Electrode Core Material: Copper
- Part Number: Tr55ix
- Resistor Type: Yes
- Stock Number: 7164
- Ground Electrode Tip Design: Taper Cut
- Pre-Gap Size:
  - .060
  - 1.5
- Ground Electrode Core Material: Nickel
- Material Grade: Iridium
- Center Electrode Projection: Mid Projection
- Seat Type: Tapered
- Ground Electrode Quantity: 1
- Insulator Material: Ceramic
- Hex Size: 5/8" (16mm)
- Reach:
  - 0.689
  - 17.5
- Center Electrode Tip Material: Iridium
- Skirt Length: 0.0
- Manufacturer Heat Range: 5
- Ground Configuration: J-gap
- Resistance: 5000.0
- Insulator Height:
  - 2.07
  - 52.5
- Thread Diameter:
  - 0.551
  - 14.0
Features:
- 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
- SINGLE IRIDIUM TIP: Fine wire 0.6 millimeter iridium tip center electrode ensures high durability and a consistently stable spark
- RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
- TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
- IRIDIUM ALLOY CENTER ELECTRODE: Iridium's density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
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.
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
This item must be purchased in quantities of 4

This Part Fits the Following OEM/Substitute Numbers:

12, 12561466, 12563707, 12565753, 14, 15, 16, 1765288, 1835342T, 1835406T, 1835414T, 1835430T, 1835464T, 1835788T, 1835826T, 241-902, 241-908, 241-913...VIEW MORE

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1985 - Cadillac Commercial Chassis	V	-	8 Cyl 4.1L	250

66 In Stock

Limited-Time Offer

$19.39 USD

$23.27 USD


Brand	NGK
Part #	N127164
Condition	New
Warehouse	B

1985 Cadillac Commercial Chassis Spark Plug 8 Cyl 4.1L NGK

NGK Laser Platinum Spark Plug
Gap 0.060"
Laser Platinum Spark Plug
Product Attributes:
- Center Electrode Design: Fine Wire
- Center Electrode Insulator Tip Projection:
  - 0.20
  - 5.0
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Grade Type: Performance
- Service Number: Pztr5a-15
- Ground Electrode Tip Material: Platinum
- Short Style Spark Plug: No
- Skirt: No
- Center Electrode Core Material: Copper
- Part Number: Pztr5a-15
- Resistor Type: Yes
- Stock Number: 7862
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
  - .060
  - 1.5
- Ground Electrode Core Material: Nickel
- Material Grade: Double Platinum
- Center Electrode Projection: Long Projection
- Seat Type: Tapered
- Ground Electrode Quantity: 1
- Insulator Material: Ceramic
- Hex Size: 5/8" (16mm)
- Reach:
  - 0.689
  - 17.5
- Center Electrode Tip Material: Platinum
- Skirt Length: 0.0
- Manufacturer Heat Range: 5
- Ground Configuration: J-gap
- Resistance: 5000.0
- Insulator Height:
  - 2.07
  - 52.5
- Thread Diameter:
  - 0.551
  - 14.0
Features:
- PLATINUM ALLOY CENTER ELECTRODE: Longer wearing and higher temperature resistance compared to traditional nickel spark plugs
- RECOMMENDED USAGE: Best for vehicles with OE fine wire platinum alloy plugs
- TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
- SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
- PLATINUM TIP GROUND ELECTRODE: Unless OE specified, platinum protection at the ground electrode provides excellent ignitability and service life
- ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction fine wire platinum alloy center electrode provides consistent performance
NGK Laser Platinum spark plugs provide high ignitability and longer service life compared to conventional nickel spark plugs. Laser Platinum plugs are tested to the highest standards to ensure quality and durability. Engineered specifically for OE applications. Laser platinum plugs provide stable idling, superior anti-fouling, improved fuel efficiency and lower emissions. High-grade pure alumina ceramic and 98% pure copper core prevents spark plug from overheating and provides reliable starts. Most Laser Platinum spark plugs feature a platinum pad on the ground electrode for even wear in distributorless ignition systems.
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
This item must be purchased in quantities of 4

This Part Fits the Following OEM/Substitute Numbers:

12563707, 12565753, 41-932, 41-952, 41-974, 41-983, 4511, 4713, 5077, 7862, 8117, HGR9LQP0, HR9LPP33X, IT16TT, PT16TT, PTJ16R15

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1985 - Cadillac Commercial Chassis	V	-	8 Cyl 4.1L	250

40 In Stock

Limited-Time Offer

$16.14 USD

$19.37 USD


Brand	NGK
Part #	N127862
Condition	New
Warehouse	B

1985 Cadillac Commercial Chassis Spark Plug 8 Cyl 4.1L NGK

NGK Laser Iridium Spark Plug
Gap 0.060"
Laser Iridium Spark Plug
Product Attributes:
- Center Electrode Design: Fine Wire
- Center Electrode Insulator Tip Projection:
  - 0.14
  - 3.5
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Grade Type: Performance
- Service Number: Itr5h13
- Ground Electrode Tip Material: Platinum
- Short Style Spark Plug: No
- Skirt: No
- Center Electrode Core Material: Copper
- Part Number: Itr5h13
- Resistor Type: Yes
- Stock Number: 97287
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
  - .052
  - 1.3
- Ground Electrode Core Material: Nickel
- Material Grade: Iridium Platinum
- Center Electrode Projection: Mid Projection
- Seat Type: Tapered
- Ground Electrode Quantity: 1
- Insulator Material: Ceramic
- Hex Size: 5/8" (16mm)
- Reach:
  - 0.689
  - 17.5
- Center Electrode Tip Material: Iridium
- Skirt Length: 0.0
- Manufacturer Heat Range: 5
- Ground Configuration: J-gap
- Resistance: 5000.0
- Insulator Height:
  - 2.07
  - 52.5
- Thread Diameter:
  - 0.551
  - 14.0
Features:
- ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction fine wire iridium alloy center electrode provides consistent performance
- RECOMMENDED USAGE: Best for vehicles with OE fine wire iridium alloy plugs
- 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
- IRIDIUM ALLOY CENTER ELECTRODE: Iridium's density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
- PLATINUM TIP GROUND ELECTRODE: Unless OE specified, platinum protection at the ground electrode provides excellent ignitability and service life
NGK Laser Iridium spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium spark plugs are tested to the highest standards to ensure quality and durability. Iridium tipped center electrode provides durability six times harder than platinum. NGKs high grade pure alumina ceramic and 98 percent pure copper core prevents the spark plug from overheating while providing reliable starts. Most Laser Iridium spark plugs feature a platinum pad on the ground electrode for even wear in distributorless ignition systems.
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
This item must be purchased in quantities of 4

This Part Fits the Following OEM/Substitute Numbers:

1L5G-12405-CA, 41-810, 4504, 4511, 4713, 5087, 7304, 7304-2, 7420, 9605, 9606, 9608, 97287, AGSF22FM1, AGSF22WM, AGSF32Y-PC, AGSF32YPC, AGSF32YR...VIEW MORE

Additional Fitment Information: