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Commercial Chassis DeVille Eldorado Fleetwood Seville

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1981 Cadillac Fleetwood Spark Plug 8 Cyl 6.0L Autolite

Autolite APP646 Double Platinum Spark Plug
Gap .060 (in)
Double Platinum 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: Performance
- Core Nose Length:
  - 0.934
  - 23.72
- Washer Type: Crush
- Ground Electrode Tip Material: Platinum
- 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: Platinum
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
  - 0.05
  - 1.27
- Resistance: 4000
- Insulator Height:
  - 2.224
  - 56.49
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: 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:

31, 41-819, 4727114, RN14PMP5, RN14PYP, SPRN14PMP5

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1981 - Cadillac Fleetwood	V	-	8 Cyl 6.0L	368

4 In Stock

Limited-Time Offer

$9.65 USD

$11.58 USD


Brand	Autolite
Part #	A77APP646
Condition	New
Warehouse	B

UPC: 009100005397

1981 Cadillac Seville Spark Plug 8 Cyl 6.0L Autolite

Autolite 646 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:
  - 0.934
  - 23.72
- 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:
  - 0.05
  - 1.27
- Resistance: 4000
- Insulator Height:
  - 2.224
  - 56.49
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:

117, 25312033, 3015, 31, 32721, 4012, 41-618, 4686083, 5613932, 5613946, 5614128, 7522, 7922, AGR52-6, AGS52C-6, AGS52C6, BP5ES-13, C95R6...VIEW MORE

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1981 - Cadillac Seville	V	-	8 Cyl 6.0L	368

50 In Stock

Limited-Time Offer

$5.85 USD

$7.02 USD


Brand	Autolite
Part #	A77646
Condition	New
Warehouse	B

UPC: 009100006462

1981 Cadillac Fleetwood Spark Plug 8 Cyl 6.0L Autolite

Autolite 646 Copper Spark Plug
Gap .060 (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:
  - 0.934
  - 23.72
- 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:
  - 0.05
  - 1.27
- Resistance: 4000
- Insulator Height:
  - 2.224
  - 56.49
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
1981 - Cadillac Fleetwood	V	-	8 Cyl 6.0L	368

50 In Stock

Limited-Time Offer

$5.85 USD

$7.02 USD


Brand	Autolite
Part #	A77646
Condition	New
Warehouse	B

UPC: 009100006462

1981 Cadillac Seville Spark Plug 8 Cyl 6.0L Autolite

Autolite AP646 Platinum Spark Plug
Gap .060 (in)
Platinum 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: Performance
- Core Nose Length:
  - 0.934
  - 23.72
- Washer Type: Crush
- 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: Platinum
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
  - 0.05
  - 1.27
- Resistance: 4000
- Insulator Height:
  - 2.224
  - 56.49
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: 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:

105, 3142, 6729, AGR52-6, AGS52C-6, AGS52C6, GR45GP, PP064F, RN14PMC5, W14EXR-U15, WR8LPP30V

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1981 - Cadillac Seville	V	-	8 Cyl 6.0L	368

32 In Stock

Limited-Time Offer

$8.43 USD

$10.12 USD


Brand	Autolite
Part #	A77AP646
Condition	New
Warehouse	B

UPC: 009100252531

1981 Cadillac Seville Spark Plug 6 Cyl 4.1L Autolite

Autolite AP666 Platinum Spark Plug
Gap .080 (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:
  - 0.822
  - 20.88
- 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
- Manufacturer Heat Range: 7
- Pre-Gap Size:
  - 0.06
  - 1.52
- Resistance: 4000
- Insulator Height:
  - 2.47
  - 62.74
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: 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:

2248, 37, 5021, ARF32-6, ARF32C6, ARF42-6, ARF52-6, ARF52-8, ARF62-6, ASF32C-6, ASF32C6, ASF42-6, ASF42C-7, ASF42C7, ASF52-6, ASF52C-7, ASF52C7, HR9BPY ...VIEW MORE

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1981 - Cadillac Seville	V	-	6 Cyl 4.1L	252

32 In Stock

Limited-Time Offer

$8.43 USD

$10.12 USD


Brand	Autolite
Part #	A77AP666
Condition	New
Warehouse	B

UPC: 009100252562

1981 Cadillac Seville Spark Plug 6 Cyl 4.1L Autolite

Autolite 666 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
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Regular
- Core Nose Length:
  - 0.822
  - 20.88
- 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
- Manufacturer Heat Range: 7
- Pre-Gap Size:
  - 0.06
  - 1.52
- Resistance: 4000
- Insulator Height:
  - 2.47
  - 62.74
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:

17, 19157991, 19157993, 19157997, 2096, 222316, 222516, 32221, 5021, 5613794, 5613833, 5613841, 5613844, 5613848, 5613851, 5613858, 5613877, 5613883...VIEW MORE

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1981 - Cadillac Seville	V	-	6 Cyl 4.1L	252

50 In Stock

Limited-Time Offer

$5.85 USD

$7.02 USD


Brand	Autolite
Part #	A77666
Condition	New
Warehouse	B

UPC: 009100006660

1981 Cadillac Eldorado Spark Plug 6 Cyl 4.1L Autolite

Autolite 666 Copper Spark Plug
Gap .080 (in); Auto
Copper 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: Regular
- Core Nose Length:
  - 0.822
  - 20.88
- 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
- Manufacturer Heat Range: 7
- Pre-Gap Size:
  - 0.06
  - 1.52
- Resistance: 4000
- Insulator Height:
  - 2.47
  - 62.74
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