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- Autolite 3924 Copper Spark Plug
- Gap .040 (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:
- 0.526
- 13.36
- 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: 5/8
- Reach:
- 0.75
- 19.05
- Center Electrode Tip Material: Nickel
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
- 0.044
- 1.12
- Resistance: 4000
- Insulator Height:
- 2.007
- 50.98
-
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: 4
- Most jobs typically require 4 of this item.
- This item must be purchased in quantities of 4
This Part Fits the Following OEM/Substitute Numbers:
1148, 14 F-8 DU, 14 F-8 DU4, 14 F-9 DUO, 14 FGH-8 DTUR, 14 FGH-8 DTURXO, 14 FGR-7 KQU, 14 FGR-8 KQU, 14 FR-7 DU2, 14 FR-7 LDU, 14 FR-8 DU, 14 FR-8 KU, 14FR-7DPUX, 18814-11051, 23521, 27410-25000, 3006, 41-602...VIEW MORE
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1999 - Land Rover Range Rover | V | 3950 | 8 Cyl 4.0L | - |
- Autolite AP3924 Platinum Spark Plug
- Gap .040 (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:
- 0.526
- 13.36
- 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: 5/8
- Reach:
- 0.75
- 19.05
- Center Electrode Tip Material: Platinum
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
- 0.044
- 1.12
- Resistance: 4000
- Insulator Height:
- 2.007
- 50.98
-
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: 4
- Most jobs typically require 4 of this item.
- This item must be purchased in quantities of 4
This Part Fits the Following OEM/Substitute Numbers:
1148, 14 FGH-8 DPURX2, 14 FR-7 KPUV, 1W4312405AB, 2U7E12405BA, 3005, 3071, 3071S, 413F, 413FSM, 4202, 6111, 71, 8001, 8007, 9, AGSP32C, AGSP32F...VIEW MORE
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1999 - Land Rover Range Rover | V | 4554 | 8 Cyl 4.6L | 278 |
- Autolite APP3924 Double Platinum Spark Plug
- Gap .040 (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:
- 0.526
- 13.36
- 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: 5/8
- Reach:
- 0.75
- 19.05
- Center Electrode Tip Material: Platinum
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
- 0.044
- 1.12
- Resistance: 4000
- Insulator Height:
- 2.007
- 50.98
-
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: 4
- Most jobs typically require 4 of this item.
- This item must be purchased in quantities of 4
This Part Fits the Following OEM/Substitute Numbers:
101 000 035 AH, 101 905 611 G, 101 905 615 A, 101 905 616, 101 905 631 A, 12 12 0 030 548, 12 12 0 037 607, 12 12 0 141 871, 12 12 1 435 955, 12 12 9 071 003, 1290, 14F-7DPURX2, 176-5295, 176-5300, 18817-11051, 18818-11051, 22401-AA650, 22401-AA65A...VIEW MORE
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1999 - Land Rover Range Rover | V | 3950 | 8 Cyl 4.0L | - |
- Autolite APP3924 Double Platinum Spark Plug
- OE Style
- 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:
- 0.526
- 13.36
- 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: 5/8
- Reach:
- 0.75
- 19.05
- Center Electrode Tip Material: Platinum
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
- 0.044
- 1.12
- Resistance: 4000
- Insulator Height:
- 2.007
- 50.98
-
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: 4
- Most jobs typically require 4 of this item.
- This item must be purchased in quantities of 4
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1999 - Land Rover Range Rover | V | 3950 | 8 Cyl 4.0L | - |
- Autolite AR3924 Racing Spark Plug
- Gap .040 (in); Auto
- Racing 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:
- 0.526
- 13.36
- 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: 5/8
- Reach:
- 0.75
- 19.05
- Center Electrode Tip Material: Nickel
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
- 0.04
- 1.02
- Resistance: 4000
- Insulator Height:
- 2.007
- 50.98
-
Features:
- Engineered with a cut-back ground electrode that delivers optimal ignitability of the flame kernel and better heat transfer, leading to quicker starts.
- The yttrium-enhanced alloy enables up to 8% reduction in ground wire temperature for colder heat ranges designed to enable performance modifications and handle intense conditions.
- Designed with an anti-corrosive nickel-plating prevents rusting better than black oxide, allowing the plug to maintain its durability and efficiency.
- Its high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength while preventing flash-over.
- Autolite® Racing spark plugs are engineered with a cut-back ground electrode, anti-corrosive nickel plating, and large ground electrode that deliver better heat transfer, ensuring maximum engine performance on the track.
-
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:
71, 7373, FR5, RC12YC
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1999 - Land Rover Range Rover | V | 3950 | 8 Cyl 4.0L | - |
- Autolite XP3924 Iridium XP Spark Plug
- Gap .040 (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: Flat
- Washer Included: Yes
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Performance
- Core Nose Length:
- 0.526
- 13.36
- 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: 5/8
- Reach:
- 0.75
- 19.05
- Center Electrode Tip Material: Iridium
- Ground Electrode Tip Design: Taper Cut
- Pre-Gap Size:
- 0.044
- 1.12
- Resistance: 4000
- Insulator Height:
- 2.007
- 50.98
-
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: 4
- Most jobs typically require 4 of this item.
- This item must be purchased in quantities of 4
This Part Fits the Following OEM/Substitute Numbers:
09482-00549, 101 905 611 G, 12590701, 1311, 14 F-8 LDUSR, 1822A068, 2071, 27410 25000, 27410-23700, 30731383, 3303, 4550157, 613FP, 90080-91184, 9013, 90919-01217, 90919-01219, 90919-01240...VIEW MORE
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1999 - Land Rover Range Rover | V | 3950 | 8 Cyl 4.0L | - |
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