1981 Cadillac Autolite Parts
Choose a Model for your 1981 Cadillac
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- Autolite 646 Copper Resistor Spark Plug
- OE Style; .060"/1.5mm
- Copper Resistor Spark Plug
- Product Attributes:
- Center Electrode Design: Standard / Regular
- Seat Type: Flat
- Electrical Terminal Type: Stud
- Ground Electrode Tip Material: Nickel
- Center Electrode Core Material: Copper
- Resistor Type: Yes
- Insulator Material: Ceramic
- Hex Size:
- 13/16"
- 21
- Reach:
- 0.750
- 19.5
- Center Electrode Tip Material: Nickel
- Ground Electrode Tip Design: Tapered
- Insulator Type: Mid Projection
- Pre-Gap Size:
- 0.050
- 1.30
- Ground Electrode Core Material: Nickel
- Autolite® Copper Spark Plugs are manufactured to deliver quick starts, improved fuel economy and smooth acceleration. Autolite® spark plugs are the best alternative to OE spark plugs, offering OE form, fit and function for all makes and models, both foreign and domestic, at a value price. Autolite provides the automotive aftermarket and Original Equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs.
-
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:
3015, 31, 4012, 41-618, AGR52-6, W10EC
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1981 - Cadillac Fleetwood | V | - | 8 Cyl 6.0L | 368 |
- Autolite APP646 Double Platinum Spark Plug
- .060"/1.5mm
- Double Platinum Spark Plug
- Product Attributes:
- Center Electrode Design: Standard / Regular
- Seat Type: Flat
- Electrical Terminal Type: Stud
- Ground Electrode Tip Material: Platinum
- Center Electrode Core Material: Platinum
- Resistor Type: Yes
- Insulator Material: Ceramic
- Hex Size:
- 13/16"
- 21
- Reach:
- 0.750
- 19.5
- Center Electrode Tip Material: Platinum
- Ground Electrode Tip Design: Tapered
- Insulator Type: Mid Projection
- Pre-Gap Size:
- 0.050
- 1.30
- Ground Electrode Core Material: Nickel
- Autolite® Double Platinum Spark Plugs are a premium plug providing superior performance and platinum-to-platinum firing for a longer lasting spark plug. Autolite® Double Platinum Spark Plugs are engineered to provide easier starts, quicker acceleration and improved fuel efficiency. Autolite® spark plugs are the best alternative to OE spark plugs, offering OE form, fit and function for all makes and models, both foreign and domestic, at a value price. Autolite provides the automotive aftermarket and original equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs.
-
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
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1981 - Cadillac Fleetwood | V | - | 8 Cyl 6.0L | 368 |
- Autolite AP646 Platinum Spark Plug
- .060"/1.5mm
- Platinum Spark Plug
- Product Attributes:
- Center Electrode Design: Standard / Regular
- Seat Type: Flat
- Electrical Terminal Type: Stud
- Ground Electrode Tip Material: Nickel
- Center Electrode Core Material: Platinum
- Resistor Type: Yes
- Insulator Material: Ceramic
- Hex Size:
- 13/16"
- 21
- Reach:
- 0.750
- 19.5
- Center Electrode Tip Material: Platinum
- Ground Electrode Tip Design: Tapered
- Insulator Type: Mid Projection
- Pre-Gap Size:
- 0.050
- 1.30
- Ground Electrode Core Material: Nickel
- Autolite® Platinum Spark Plugs are manufactured to deliver greater durability compared to standard copper plugs. Autolite® Platinum Spark Plugs provide easier starts, quicker acceleration, and improved fuel economy. Autolite® spark plugs are the best alternative to OE spark plugs, offering OE form, fit and function for all makes and models, both foreign and domestic, at a value price. Autolite provides the automotive aftermarket and original equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs.
-
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, AGR52-6, W14EXR-U15
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1981 - Cadillac Eldorado | V | - | 8 Cyl 6.0L | 368 |
- Autolite AP666 Platinum Spark Plug
- Replaces AP664 .080"/2.0mm
- Platinum Spark Plug
- Product Attributes:
- Center Electrode Design: Standard / Regular
- Seat Type: Tapered
- Electrical Terminal Type: Stud
- Ground Electrode Tip Material: Nickel
- Center Electrode Core Material: Platinum
- Resistor Type: Yes
- Insulator Material: Ceramic
- Hex Size: 5/8"
- Reach:
- 0.433
- 11.0
- Center Electrode Tip Material: Platinum
- Ground Electrode Tip Design: Tapered
- Insulator Type: Mid Projection
- Pre-Gap Size:
- 0.060
- 1.50
- Resistance: 4000
- Ground Electrode Core Material: Nickel
- Autolite® Platinum Spark Plugs are manufactured to deliver greater durability compared to standard copper plugs. Autolite® Platinum Spark Plugs provide easier starts, quicker acceleration, and improved fuel economy. Autolite® spark plugs are the best alternative to OE spark plugs, offering OE form, fit and function for all makes and models, both foreign and domestic, at a value price. Autolite provides the automotive aftermarket and original equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs.
-
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, R43CTS6
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1981 - Cadillac Seville | V | - | 6 Cyl 4.1L | 252 |
- Autolite 666 Copper Resistor Spark Plug
- OE Style; Replaces 664 and 665 .080"/2.0mm
- Copper Resistor Spark Plug
- Product Attributes:
- Center Electrode Design: Standard / Regular
- Seat Type: Tapered
- Electrical Terminal Type: Stud
- Ground Electrode Tip Material: Nickel
- Center Electrode Core Material: Copper
- Resistor Type: Yes
- Insulator Material: Ceramic
- Hex Size: 5/8"
- Reach:
- 0.433
- 11.0
- Center Electrode Tip Material: Nickel
- Ground Electrode Tip Design: Tapered
- Insulator Type: Mid Projection
- Pre-Gap Size:
- 0.060
- 1.50
- Resistance: 4000
- Ground Electrode Core Material: Nickel
- Autolite® Copper Spark Plugs are manufactured to deliver quick starts, improved fuel economy and smooth acceleration. Autolite® spark plugs are the best alternative to OE spark plugs, offering OE form, fit and function for all makes and models, both foreign and domestic, at a value price. Autolite provides the automotive aftermarket and Original Equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs.
-
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, 2096, 5021, ARF32-6, HS5E, R43CTS6
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1981 - Cadillac DeVille | V | - | 6 Cyl 4.1L | 252 |
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1981 - Cadillac Eldorado | V | - | 8 Cyl 5.7L | 350 |
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