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1975 Mercury Montego Spark Plug 8 Cyl 6.6L Autolite

Autolite 25 Copper Spark Plug
Gap .044 (in); Auto
Copper Spark Plug
Product Attributes:
- Center Electrode Projection: Mid Projection
- Center Electrode Insulator Tip Projection:
  - 0.133
  - 3.38
- Seat Type: Tapered
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Regular
- Core Nose Length:
  - 0.726
  - 18.44
- Ground Electrode Tip Material: Nickel
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 5/8
- Reach:
  - 0.431
  - 10.95
- Center Electrode Tip Material: Nickel
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
  - 0.044
  - 1.12
- Resistance: 4000
- Insulator Height:
  - 2.374
  - 60.3
Features:
- The copper core center electrode aids in thermal control and improves resistance to fouling.
- Its specially engineered high nickel alloy center and ground electrode provides extended life.
- The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
- Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
Autolite® Copper spark plugs are engineered to deliver quick starts and the power your vehicle or applications needs to meet performance expectations.
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
This item must be purchased in quantities of 4

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1975 - Mercury Montego	V	-	8 Cyl 6.6L	400

134 In Stock

Limited-Time Offer

$8.64 USD

$10.37 USD


Brand	Autolite
Part #	A7725
Condition	New
Warehouse	B

UPC: 009100000255

1975 Mercury Montego Spark Plug 8 Cyl 6.6L Autolite

Autolite 25 Copper Spark Plug
OE Style; Auto
Copper Spark Plug
Product Attributes:
- Center Electrode Projection: Mid Projection
- Center Electrode Insulator Tip Projection:
  - 0.133
  - 3.38
- Seat Type: Tapered
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Regular
- Core Nose Length:
  - 0.726
  - 18.44
- Ground Electrode Tip Material: Nickel
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 5/8
- Reach:
  - 0.431
  - 10.95
- Center Electrode Tip Material: Nickel
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
  - 0.044
  - 1.12
- Resistance: 4000
- Insulator Height:
  - 2.374
  - 60.3
Features:
- The copper core center electrode aids in thermal control and improves resistance to fouling.
- Its specially engineered high nickel alloy center and ground electrode provides extended life.
- The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
- Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
Autolite® Copper spark plugs are engineered to deliver quick starts and the power your vehicle or applications needs to meet performance expectations.
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:

18, 18S, 19157996, 22431, 22531, 2423, 25164640, 32221, 3851859, 3851861, 4339413, 44TS, 5024, 516484800, 5613191, 5613325, 5613673, 5613831...VIEW MORE

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1975 - Mercury Montego	V	-	8 Cyl 6.6L	400

134 In Stock

Limited-Time Offer

$8.64 USD

$10.37 USD


Brand	Autolite
Part #	A7725
Condition	New
Warehouse	B

UPC: 009100000255

1975 Mercury Monarch Spark Plug 8 Cyl 5.8L Autolite

Autolite AP25 Platinum Spark Plug
Gap .044 (in)
Platinum Spark Plug
Product Attributes:
- Center Electrode Projection: Mid Projection
- Center Electrode Insulator Tip Projection:
  - 0.133
  - 3.38
- Seat Type: Tapered
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Performance
- Core Nose Length:
  - 0.726
  - 18.44
- Ground Electrode Tip Material: Nickel
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 5/8
- Reach:
  - 0.431
  - 10.95
- Center Electrode Tip Material: Platinum
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
  - 0.044
  - 1.12
- Resistance: 4000
- Insulator Height:
  - 2.374
  - 60.3
Features:
- Engineered with a platinum firing tip that prevents gap erosion for longer service life.
- Its high alumina ceramic insulator provides thermal conductivity and superior insulation for increased strength.
- The multi-rib insulator prevents flash-over.
- Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended life.
Autolite® Platinum spark plugs are engineered with a platinum center electrode firing tip that provides improved performance and increased durability, making it a reliable choice for all older engine applications and designs. Its platinum design delivers quicker firing, smoother starts, for better acceleration, and improved fuel efficiency.
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:

2, 2423, 3018, 406, 4AF2, 5024, 6113, ARF42, ASF42, ASF42P, CR43TSM, F6TE12405MA, HR9BP+ , HR9BPP30V, HR9BPP30X, HR9BPX+ , PP002E, R43TS...VIEW MORE

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1975 - Mercury Monarch	V	5753	8 Cyl 5.8L	351

50 In Stock

Limited-Time Offer

$10.38 USD

$12.46 USD


Brand	Autolite
Part #	A77AP25
Condition	New
Warehouse	B

UPC: 009100252449

1975 Mercury Capri Spark Plug 6 Cyl 2.8L Autolite

Autolite 65 Copper Spark Plug
OE Style; Auto
Copper Spark Plug
Product Attributes:
- Center Electrode Projection: Mid Projection
- Center Electrode Insulator Tip Projection:
  - 0.133
  - 3.38
- Seat Type: Flat
- Washer Included: Yes
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Regular
- Core Nose Length:
  - 0.61
  - 15.49
- Washer Type: Flat
- Ground Electrode Tip Material: Nickel
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 13/16
- Reach:
  - 0.75
  - 19.05
- Center Electrode Tip Material: Nickel
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
  - 0.035
  - 0.89
- Resistance: 4000
- Insulator Height:
  - 2.223
  - 56.46
Features:
- The copper core center electrode aids in thermal control and improves resistance to fouling.
- Its specially engineered high nickel alloy center and ground electrode provides extended life.
- The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
- Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
Autolite® Copper spark plugs are engineered to deliver quick starts and the power your vehicle or applications needs to meet performance expectations.
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:

05613870, 05613932, 116, 14 R-9 DU, 14-8 LUR, 19301656, 20-7000836, 2128, 3021, 32721, 38, 44NS, 44XL0, 44XLS, 45770-3, 4609081, 496, 513625800...VIEW MORE

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1975 - Mercury Capri	V	-	6 Cyl 2.8L	171

90 In Stock

Limited-Time Offer

$8.64 USD

$10.37 USD


Brand	Autolite
Part #	A7765
Condition	New
Warehouse	B

UPC: 009100000651

1975 Mercury Capri Spark Plug 6 Cyl 2.8L Autolite

Autolite 65 Copper Spark Plug
Gap .035 (in); Auto
Copper Spark Plug
Product Attributes:
- Center Electrode Projection: Mid Projection
- Center Electrode Insulator Tip Projection:
  - 0.133
  - 3.38
- Seat Type: Flat
- Washer Included: Yes
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Regular
- Core Nose Length:
  - 0.61
  - 15.49
- Washer Type: Flat
- Ground Electrode Tip Material: Nickel
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 13/16
- Reach:
  - 0.75
  - 19.05
- Center Electrode Tip Material: Nickel
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
  - 0.035
  - 0.89
- Resistance: 4000
- Insulator Height:
  - 2.223
  - 56.46
Features:
- The copper core center electrode aids in thermal control and improves resistance to fouling.
- Its specially engineered high nickel alloy center and ground electrode provides extended life.
- The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
- Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
Autolite® Copper spark plugs are engineered to deliver quick starts and the power your vehicle or applications needs to meet performance expectations.
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
This item must be purchased in quantities of 4

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1975 - Mercury Capri	V	-	6 Cyl 2.8L	171

90 In Stock

Limited-Time Offer

$8.64 USD

$10.37 USD


Brand	Autolite
Part #	A7765
Condition	New
Warehouse	B

UPC: 009100000651

1975 Mercury Monarch Spark Plug 6 Cyl 3.3L Autolite

Autolite 46 Copper Spark Plug
Gap .044 (in); Auto
Copper Spark Plug
Product Attributes:
- Center Electrode Projection: Long Projection
- Center Electrode Insulator Tip Projection:
  - 0.178
  - 4.52
- Seat Type: Tapered
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Regular
- Core Nose Length:
  - 0.77
  - 19.56
- Ground Electrode Tip Material: Nickel
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 13/16
- Reach:
  - 0.438
  - 11.13
- Center Electrode Tip Material: Nickel
- Ground Electrode Tip Design: Standard
- Manufacturer Heat Range: 7
- Pre-Gap Size:
  - 0.044
  - 1.12
- Resistance: 4000
- Insulator Height:
  - 2.383
  - 60.53
Features:
- The copper core center electrode aids in thermal control and improves resistance to fouling.
- Its specially engineered high nickel alloy center and ground electrode provides extended life.
- The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
- Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
Autolite® Copper spark plugs are engineered to deliver quick starts and the power your vehicle or applications needs to meet performance expectations.
Suggested Purchase Quantity: 6
- Most jobs typically require 6 of this item.
This item must be purchased in quantities of 4

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1975 - Mercury Monarch	L	-	6 Cyl 3.3L	200

58 In Stock

Limited-Time Offer

$8.64 USD

$10.37 USD


Brand	Autolite
Part #	A7746
Condition	New
Warehouse	B

UPC: 009100000460

1975 Mercury Comet Spark Plug 6 Cyl 3.3L Autolite

Autolite 46 Copper Spark Plug
OE Style; Auto
Copper Spark Plug
Product Attributes:
- Center Electrode Projection: Long Projection
- Center Electrode Insulator Tip Projection:
  - 0.178
  - 4.52
- Seat Type: Tapered
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Regular
- Core Nose Length:
  - 0.77
  - 19.56
- Ground Electrode Tip Material: Nickel
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 13/16
- Reach:
  - 0.438
  - 11.13
- Center Electrode Tip Material: Nickel
- Ground Electrode Tip Design: Standard
- Manufacturer Heat Range: 7
- Pre-Gap Size:
  - 0.044
  - 1.12
- Resistance: 4000
- Insulator Height:
  - 2.383
  - 60.53
Features:
- The copper core center electrode aids in thermal control and improves resistance to fouling.
- Its specially engineered high nickel alloy center and ground electrode provides extended life.
- The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
- Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
Autolite® Copper spark plugs are engineered to deliver quick starts and the power your vehicle or applications needs to meet performance expectations.
Suggested Purchase Quantity: 6
- Most jobs typically require 6 of this item.
This item must be purchased in quantities of 4

This Part Fits the Following OEM/Substitute Numbers:

05613886, 11, 19310641, 2021, 4011, 5005, 5569964, 5612142, 5612592, 5613807, 5613860, 5613886, 80038, 8129821, 8129825, 8129847, 834241-MI, 85T...VIEW MORE

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1975 - Mercury Comet	L	-	6 Cyl 3.3L	200

58 In Stock

Limited-Time Offer

$8.64 USD

$10.37 USD


Brand	Autolite
Part #	A7746
Condition	New
Warehouse	B

UPC: 009100000460

1975 Mercury Marquis Spark Plug 8 Cyl 7.5L Autolite

Autolite APP26 Double Platinum Spark Plug
Gap .044 (in)
Double Platinum Spark Plug
Product Attributes:
- Center Electrode Projection: Mid Projection
- Center Electrode Insulator Tip Projection:
  - 0.133
  - 3.38
- Seat Type: Tapered
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Performance
- Core Nose Length:
  - 0.822
  - 20.88
- Ground Electrode Tip Material: Platinum
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 5/8
- Reach:
  - 0.431
  - 10.95
- Center Electrode Tip Material: Platinum
- Ground Electrode Tip Design: Standard
- Manufacturer Heat Range: 7
- Pre-Gap Size:
  - 0.035
  - 0.89
- Resistance: 4000
- Insulator Height:
  - 2.47
  - 62.74
Features:
- Engineered with a platinum-to-platinum design that prevents gap erosion, extending the life of the spark plug.
- The yttrium-Enhanced Ground Electrode delivers superior heat transfer that delivers more durability under high temps and pressure for greater life.
- Its high alumina ceramic insulator provides optimum thermal conductivity and dielectric strength.
- The multi-rib insulator prevents flash-over.
Autolite® Double Platinum spark plugs have a platinum-to-platinum design that decreases gap erosion, reduces misfires, and provides improved durability*, leading to longer service life. It provides superior performance over copper and platinum plugs primarily used in distributorless ignition system (DIS) engines.
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:

19158031, 41-905, 88901029, CR45TS, R45TS

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1975 - Mercury Marquis	V	-	8 Cyl 7.5L	460

6 In Stock

Limited-Time Offer

$9.65 USD

$11.58 USD


Brand	Autolite
Part #	A77APP26
Condition	New
Warehouse	B

UPC: 009100260062

1975 Mercury Montego Spark Plug 8 Cyl 7.5L Autolite

Autolite XP26 Iridium XP Spark Plug
Gap .044 (in)
Iridium XP Spark Plug
Product Attributes:
- Center Electrode Projection: Mid Projection
- Center Electrode Design: Fine Wire
- Center Electrode Insulator Tip Projection:
  - 0.133
  - 3.38
- Seat Type: Tapered
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Performance
- Core Nose Length:
  - 0.822
  - 20.88
- Ground Electrode Tip Material: Platinum
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 5/8
- Reach:
  - 0.431
  - 10.95
- Center Electrode Tip Material: Iridium
- Ground Electrode Tip Design: Taper Cut
- Manufacturer Heat Range: 7
- Pre-Gap Size:
  - 0.035
  - 0.89
- Resistance: 4000
- Insulator Height:
  - 2.47
  - 62.74
Features:
- Engineered with an Iridium-enhanced center electrode and fine-wire design that increases ignitability and provides a more focused ignition for improved engine performance.
- Its proprietary platinum ground electrode provides increased durability* and resistance to wear, extending the life of the plug.
- The tapered ground wire improves engine ignitability.
- Its high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength while preventing flash-over.
- Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
- Includes a lifetime limited warranty that guarantees optimum performance equal to OE designed plugs.
Autolite® Iridium XP spark plugs are engineered with an iridium-enhanced fine-wire and a proprietary, platinum ground electrode, to increase durability*, while its tapered ground wire maximizes engine efficiency, delivering improved engine performance, fuel efficiency, acceleration, and ignitability.
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:

12582002, 2025, 5330, FGR9DPQ, ITF16

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1975 - Mercury Montego	V	-	8 Cyl 7.5L	460

50 In Stock

Limited-Time Offer

$11.42 USD

$13.70 USD


Brand	Autolite
Part #	A77XP26
Condition	New
Warehouse	B

UPC: 009100044327

1975 Mercury Monarch Spark Plug 8 Cyl 5.8L Autolite

Autolite XP25 Iridium XP Spark Plug
Gap .044 (in)
Iridium XP Spark Plug
Product Attributes:
- Center Electrode Projection: Mid Projection
- Center Electrode Design: Fine Wire
- Center Electrode Insulator Tip Projection:
  - 0.133
  - 3.38
- Seat Type: Tapered
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Performance
- Core Nose Length:
  - 0.726
  - 18.44
- Ground Electrode Tip Material: Platinum
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 5/8
- Reach:
  - 0.431
  - 10.95
- Center Electrode Tip Material: Iridium
- Ground Electrode Tip Design: Taper Cut
- Pre-Gap Size:
  - 0.044
  - 1.12
- Resistance: 4000
- Insulator Height:
  - 2.374
  - 60.3
Features:
- Engineered with an Iridium-enhanced center electrode and fine-wire design that increases ignitability and provides a more focused ignition for improved engine performance.
- Its proprietary platinum ground electrode provides increased durability* and resistance to wear, extending the life of the plug.
- The tapered ground wire improves engine ignitability.
- Its high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength while preventing flash-over.
- Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
- Includes a lifetime limited warranty that guarantees optimum performance equal to OE designed plugs.
Autolite® Iridium XP spark plugs are engineered with an iridium-enhanced fine-wire and a proprietary, platinum ground electrode, to increase durability*, while its tapered ground wire maximizes engine efficiency, delivering improved engine performance, fuel efficiency, acceleration, and ignitability.
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
This item must be purchased in quantities of 4