How to inspect a spark plug for issues such as bridged gaps, deposit buildup, oil fouling, carbon fouling, normal burning, pre-ignition, overheating, and fused deposits on Ford Explorer?

Check the spark plug, look for bridged gaps and deposition of oil or carbon foulings. Clean if necessary. Spots of oil fouling (wet, black deposits) and carbon fouling (black, dry deposits). Check normal burning (light tan deposits), overheating or damage, and change a spark plug as required.

How to service and repair spark plugs on Ford Explorer?

To maintain the spark plugs, firstly, pull the wires and plugs out, with compressed air to remove debris. Install original plugs in same cylinder; may install new ones in any. Check and adjust the gap accordingly, and revert the process of removing to installation.

OEM Ford Explorer Spark Plug

Ignition Spark Plug

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11 Spark Plugs found

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Ford Explorer Spark Plug Part Number: PZK-1F
$10.25 MSRP: $20.73
You Save: $10.48 (51%)
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Product Specifications
- Replaced by: PZK-1F-X
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2008 Ford Explorer | Eddie Bauer, Limited, XLT | 8 Cyl 4.6 L GAS
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Ford Explorer Spark Plug Part Number: CYFS-12Y-T6
$5.39 MSRP: $8.35
You Save: $2.96 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: CYFS-12Y-T5, CYFS-12F-5X, SP-586, BR3Z-12405-A, CYFS-O92-FT, CYFS-12F-5, SP-520, SP-520-X
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2023 Ford Explorer | Base, Limited, Limited Hybrid, Platinum Hybrid, XLT | 6 Cyl 3.3 L FULL HYBRID EV-GAS (FHEV), 6 Cyl 3.5 L GAS
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Ford Explorer Spark Plug Part Number: AGSF-44F-MX
$5.11 MSRP: $8.29
You Save: $3.18 (39%)
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Product Specifications
- Replaces: AGSF-44F-M
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1995-1996 Ford Explorer | Eddie Bauer, Expedition, Limited, Sport, XL, XLT | 6 Cyl 4.0 L GAS
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Ford Explorer Spark Plug Part Number: HJFS-24FP-X
$9.73 MSRP: $15.06
You Save: $5.33 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: SP-509, HJFS-24FP
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008-2010 Ford Explorer | Eddie Bauer, Limited, XLT | 8 Cyl 4.6 L GAS
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Ford Explorer Spark Plug Part Number: CYFS-12-YT4X
$11.64 MSRP: $18.02
You Save: $6.38 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: CYFS-12-YT3, CYFS-12F-3, SP-580, CYFS-12-Y3, CYFS-12-YT4, SP-528, SP-512-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2013-2019 Ford Explorer | Platinum, Sport | 6 Cyl 3.5 L GAS
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Ford Explorer Spark Plug Part Number: CYFS-12Y-PCTX
$11.48 MSRP: $17.76
You Save: $6.28 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: CYFS-12Y-PC, CYFS-12Y-PCT, SP-527, SP-550, CYFS-12Y-2
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2012-2019 Ford Explorer | Base, Limited, XLT | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS
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Ford Explorer Spark Plug Part Number: AGSF-32P-MX
$6.04 MSRP: $9.35
You Save: $3.31 (36%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaces: AGSF-32P-M, AGSF-32P-MF4, SP-493
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2005 Ford Explorer | Eddie Bauer, Limited, NBX, XLT, XLT Sport | 8 Cyl 4.6 L GAS
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Ford Explorer Spark Plug Part Number: AGSF-32F-MX
$5.41 MSRP: $8.36
You Save: $2.95 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: AGSF-32F-SM, AGSF-32F-M, SP-470-X, SP-470, SP-432, AGSF-32F-SMX, AWSF-32F-
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1996-2001 Ford Explorer | Eddie Bauer, Limited, XLS, XLT | 8 Cyl 5.0 L GAS
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Ford Explorer Spark Plug Part Number: AGSF-24N-X
$4.22 MSRP: $6.53
You Save: $2.31 (36%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaces: SP-412, AGSF-24N
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2010 Ford Explorer | Eddie Bauer, Limited, XLS, XLT | 6 Cyl 4.0 L GAS
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Ford Explorer Spark Plug Part Number: AGSF-22F-MX
$5.52 MSRP: $8.76
You Save: $3.24 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaces: SP-500, AGSF-22F-M
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-2005 Ford Explorer | Eddie Bauer, Limited, NBX, Postal, Sport, XL, XL Fleet, XLS, XLS Sport, XLT, XLT Sport | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS
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Ford Explorer Spark Plug Part Number: CYFS-12Y-RT3
$11.20 MSRP: $18.18
You Save: $6.98 (39%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaces: CYFS-12Y-PT, CYFS-92-YPT, CYFS-092-YPT
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2020-2023 Ford Explorer | Base, King Ranch, Limited, Platinum, ST, ST-Line, Timberline, XLT | 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS

Ford Explorer Spark Plug

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Ford Explorer Spark Plug Parts and Q&A

Spark Plug
AGSF-22F-MX
Q: How to inspect a spark plug for issues such as bridged gaps, deposit buildup, oil fouling, carbon fouling, normal burning, pre-ignition, overheating, and fused deposits on Ford Explorer?
A: Check the spark plug, look for bridged gaps and deposition of oil or carbon foulings. Clean if necessary. Spots of oil fouling (wet, black deposits) and carbon fouling (black, dry deposits). Check normal burning (light tan deposits), overheating or damage, and change a spark plug as required.
Spark Plug
AGSF-32P-MX
Q: How to service and repair spark plugs on Ford Explorer?
A: To maintain the spark plugs, firstly, pull the wires and plugs out, with compressed air to remove debris. Install original plugs in same cylinder; may install new ones in any. Check and adjust the gap accordingly, and revert the process of removing to installation.