How to inspect a spark plug for issues such as bridged gaps, fouling, and overheating on Ford F-150?

A bridge on the spark plug and the accumulated deposit of oil or carbon. Clean if necessary. See oil fouling (wet, black deposits), carbon fouling (black, dry deposits). Seek normal burning (light tan deposits) and overheating / fused deposits, and replace the spark plug when necessary.

OEM Ford F-150 Spark Plug

Ignition Spark Plug

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17 Spark Plugs found

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Ford F-150 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:
- 2004-2008 Ford F-150 | FX2, FX4, Harley-Davidson Edition, King Ranch, Lariat, Limited, THE 60TH ANNIVERSARY EDITION, XL, XLT | 8 Cyl 5.4 L FLEX, 8 Cyl 5.4 L GAS
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Ford F-150 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 F-150 | King Ranch, Lariat, Platinum, SSV, STX, XL, XLT | 6 Cyl 3.3 L FLEX, 6 Cyl 3.5 L FLEX, 6 Cyl 3.7 L CNG, 6 Cyl 3.7 L FLEX, 6 Cyl 3.7 L LPG, 8 Cyl 5.0 L FLEX
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Ford F-150 Spark Plug Part Number: AGSF-22W-MX
$5.08 MSRP: $8.25
You Save: $3.17 (39%)
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Product Specifications
- Replaces: AGSF-22W-M, SP-479, AGSF-22W-
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1998-2003 Ford F-150 | Base, Harley-Davidson Edition, King Ranch, Lariat, Lightning, XL, XLT | 8 Cyl 5.4 L BI-FUEL, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L GAS
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Ford F-150 Spark Plug Part Number: AGSF-12F-MX
$5.14 MSRP: $8.35
You Save: $3.21 (39%)
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Product Specifications
- Replaces: AGSF-12F-M, AGSF-12F-M1X, AGSF-12E-, SP-495, AGSF-12F-M1, AGSF-12F-M1F4
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2003 Ford F-150 | Base, Harley-Davidson Edition, King Ranch, Lariat, Lightning, XL, XLT | 8 Cyl 5.4 L BI-FUEL, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L GAS
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Ford F-150 Spark Plug Part Number: HYFS-12Y-PT
$10.92 MSRP: $16.89
You Save: $5.97 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2021-2023 Ford F-150 | King Ranch, Lariat, Platinum, SSV, Tremor, XL, XLT | 8 Cyl 5.0 L FLEX
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Ford F-150 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:
- 2009-2010 Ford F-150 | FX2, FX4, Harley-Davidson Edition, King Ranch, Lariat, Platinum, STX, SVT Raptor, XL, XLT | 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L FLEX
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Ford F-150 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:
- 2011-2016 Ford F-150 | FX2, FX4, King Ranch, Lariat, Limited, Platinum, SSV, XL, XLT | 6 Cyl 3.5 L GAS
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Ford F-150 Spark Plug Part Number: CYFS-12-FPX
$8.74 MSRP: $13.53
You Save: $4.79 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: SP-513, CYFS-092FP, CYFS-12-FP, SP-526
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2010-2014 Ford F-150 | FX2, FX4, Harley-Davidson Edition, Lariat, Lariat Limited, Platinum, SVT Raptor, XLT | 8 Cyl 6.2 L GAS
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Ford F-150 Spark Plug Part Number: CYFS-12F-1X
$6.70 MSRP: $10.37
You Save: $3.67 (36%)
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Product Specifications
- Replaces: CYFS-12F-1, SP-519, CYFS-12Y, SP-548
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2017 Ford F-150 | FX2, FX4, King Ranch, Lariat, Platinum, SSV, STX, XL, XLT | 8 Cyl 5.0 L FLEX
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Ford F-150 Spark Plug Part Number: CYFS-092-YPT4X
$11.75 MSRP: $18.18
You Save: $6.43 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: SP-581, CYFS-092-YFC, CYFS-092-YPT4
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2023 Ford F-150 | Raptor R | 8 Cyl 5.2 L GAS
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Ford F-150 Spark Plug Part Number: AGSF-42F-MX
$5.40 MSRP: $8.58
You Save: $3.18 (38%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: AGSF-42F-M, SP-486
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997 Ford F-150 | Base, XL, XLT | 6 Cyl 4.2 L GAS
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Ford F-150 Spark Plug Part Number: AGSF-34F-MX
$5.16 MSRP: $8.20
You Save: $3.04 (38%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: AGSF-34F-M, SP-504
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2008, 1998-2003 Ford F-150 | Base, STX, XL, XLT | 6 Cyl 4.2 L GAS
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Ford F-150 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:
- 2004-2008 Ford F-150 | FX2, STX, THE 60TH ANNIVERSARY EDITION, XL, XLT | 8 Cyl 4.6 L GAS
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Ford F-150 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:
- 1997-2000 Ford F-150 | Base, Lariat, XL, XLT | 8 Cyl 4.6 L GAS
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Ford F-150 Spark Plug Part Number: DYFS-12Y-PT
$12.81 MSRP: $19.82
You Save: $7.01 (36%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2021-2023 Ford F-150 | King Ranch, Lariat, Limited, Platinum, Police Responder, Raptor, SSV, Tremor, XL, XLT | 6 Cyl 3.5 L FULL HYBRID EV-GAS (FHEV), 6 Cyl 3.5 L GAS
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Ford F-150 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:
- 2015-2023 Ford F-150 | King Ranch, Lariat, Limited, Platinum, Police Responder, Raptor, SSV, Tremor, XL, XLT | 6 Cyl 2.7 L GAS, 6 Cyl 3.5 L FULL HYBRID EV-GAS (FHEV), 6 Cyl 3.5 L GAS
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Ford F-150 Spark Plug Part Number: CYFS-12Y-PCTX
$11.48 MSRP: $17.76
You Save: $6.28 (36%)
Ships in 1-3 Business Days
ADD TO CART
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:
- 2017-2020 Ford F-150 | King Ranch, Lariat, Limited, Platinum, Police Responder, SSV, XL, XLT | 6 Cyl 3.5 L GAS

Ford F-150 Spark Plug

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Ford F-150 Spark Plug Parts and Q&A

Spark Plug
PZK-1F
Q: How to inspect a spark plug for issues such as bridged gaps, fouling, and overheating on Ford F-150?
A: A bridge on the spark plug and the accumulated deposit of oil or carbon. Clean if necessary. See oil fouling (wet, black deposits), carbon fouling (black, dry deposits). Seek normal burning (light tan deposits) and overheating / fused deposits, and replace the spark plug when necessary.