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

Examine the spark plug and check if a small gap between the electrodes has closed due to deposit build-up that occurs from oil or carbon contaminants. If required you should clean the spark plug. A spark plug replacement requires resolving any oil leak issues before installation if you notice the black wet deposits on electrodes from excessive oil entering the combustion chamber. Possible causes include worn rings and pistons and excessive valve-to-guide clearance or worn or loose bearings. Black dry fluffy carbon buildup signals carbon fouling on insulator tips and electrode and shell surface areas; inspect these parts whenever you see such deposits because incorrect spark plug heat range, dirty air filters, or excessive fuel richness or idling could cause it. Clean the spark plug if fouling is present. The inspection of normal burning requires you to check for light tan or gray residue on the firing tip. The condition of pre-ignition appears through melted electrodes and possible insulator breakdown along with engine damage signs stemming from improper ignition point settings or incorrect fuel selection or unauthorized installation of hell-coil devices will necessitate a replacement of the spark plug. Overheating spots appearing as white or light gray together with electrodes showing a bluish-burnt appearance may indicate engine overheating and improper fuel choice and spark plug looseness, incorrect heat range selection and low fuel pressure or incorrect timing. Replace the spark plug as needed. To complete the inspection check for fused deposits that take the form of melted or spotty bubbles which occur during abrupt accelerated driving. Proper cleaning of the spark plug should follow.

How to service spark plugs to ensure proper engine performance on Ford Ranger?

The correct attachment of spark plug wires according to the Coil Terminal-to-Cylinder Relationship will help maintain proper engine performance. The spark plug wire requires removal by twisting slightly before pulling the wire upward. Compressed air should be used to extract foreign contaminants before removing the spark plug. The correct torque for tightening the new spark plug should be 12 Nm (106 lb-in). The spark plug examination should include gap measurement followed by proper adjustment before you reverse the removal steps for installation.

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50 Spark Plugs found

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Ford Spark Plug Part Number: CYFS-12Y-T6
$5.18 MSRP: $8.36
You Save: $3.18 (39%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: BR3Z-12405-A, CYFS-12F-5, CYFS-12Y-T5, CYFS-12F-5X, CYFS-O92-FT, SP-586, SP-520, SP-520-X
Fits the following Ford Models:
- E-350 Super Duty | 2021-2025 | Base | 8 Cyl 7.3 L GAS
- Edge | 2011-2019 | Base, Limited, Lincoln, LX, Premium, SE, SEL, SEL Plus (Limited), Series 20, Series 40, Series 55, SERIES 60, Sport, ST, Titanium, Titanium Plus | 3.5L V6, 3.7L V6, 4 Cyl 2.0 L GAS, 6 Cyl 3.5 L GAS, 6 Cyl 3.7 L GAS
- Explorer | 2011-2023 | Base, DX, Limited, Limited Hybrid, Platinum Hybrid, Police, Sport, XLT | 3.5L V6, 3.7L V6, 6 Cyl 3.3 L FLEX, 6 Cyl 3.3 L FULL HYBRID EV-GAS (FHEV), 6 Cyl 3.5 L GAS
- F-150 | 2011-2023 | FX4 Off Road, King Ranch, Lariat, Limited, Lincoln, Phantom, Platinum, Premium, SSV, STX, XL, XLT | 3.3L V6, 3.5L V6, 3.7L V6, 5.0L V8, 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
- F-250 Super Duty | 2020-2025 | King Ranch, Lariat, Platinum, XL, XLT | 8 Cyl 6.8 L FLEX, 8 Cyl 6.8 L GAS, 8 Cyl 7.3 L GAS
- F-350 Super Duty | 2020-2025 | King Ranch, Lariat, Platinum, XL, XLT | 8 Cyl 6.8 L GAS, 8 Cyl 7.3 L GAS
- Flex | 2013-2019 | Base, Executive, Limited, SE, SEL | 3.5L V6, 6 Cyl 3.5 L GAS
- Mustang | 2011-2025 | 50th Anniversary Edition, Base, Bullitt, Dark Horse, Dark Horse Premium, EcoBoost, EcoBoost Premium, GT, GT Premium, Mach 1, Shelby GT350, Shelby GT350R, Shelby GT500, Shelby Version, Sub C, V6 | 3.7L V6, 4 Cyl 2.3 L GAS, 5.0L V8, 6 Cyl 3.7 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.2 L GAS
- Police Interceptor Sedan | 2014-2018 | Base | 6 Cyl 3.7 L FLEX, 6 Cyl 3.7 L GAS
- Police Interceptor Utility | 2013-2025 | Base | 6 Cyl 3.3 L FLEX, 6 Cyl 3.3 L FULL HYBRID EV-GAS (FHEV), 6 Cyl 3.7 L FLEX, 6 Cyl 3.7 L GAS
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Ford Spark Plug Part Number: AGSF-22F-M1
$5.23 MSRP: $8.31
You Save: $3.08 (38%)
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Product Specifications
- Other Name: High Ignitability Spark Plug; Spark Plug Double Platinum; Spark Plug Iridium Power
- Replaced by: AGSF-22F-M1X
Fits the following Ford Models:
- E-150 | 2009-2014 | Base, XL, XLT | 8 Cyl 4.6 L FLEX
- E-250 | 2009-2014 | Base | 8 Cyl 4.6 L FLEX
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Ford Spark Plug Part Number: AGSF-22F1
$5.50 MSRP: $8.73
You Save: $3.23 (37%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: High Ignitability Spark Plug; Spark Plug Double Platinum; Spark Plug Iridium Power
- Replaced by: AGSF-22F1-X
Fits the following Ford Models:
- E-150 | 2009-2014 | Base, XL, XLT | 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L FLEX, 8 Cyl 5.4 L LPG
- E-250 | 2009-2014 | Base | 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L FLEX, 8 Cyl 5.4 L LPG
- E-350 Super Duty | 2009-2014 | Base, XL, XLT | 10 Cyl 6.8 L CNG, 10 Cyl 6.8 L GAS, 10 Cyl 6.8 L LPG, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L FLEX, 8 Cyl 5.4 L LPG
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Ford Spark Plug Part Number: AGSF-32P-M
$6.49 MSRP: $10.31
You Save: $3.82 (38%)
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Product Specifications
- Other Name: High Ignitability Spark Plug; Spark Plug Double Platinum; Spark Plug Iridium Power
- Replaced by: AGSF-32P-MX
Fits the following Ford Models:
- E-150 | 2008 | Base, XL, XLT | 8 Cyl 4.6 L GAS
- E-250 | 2008 | Base | 8 Cyl 4.6 L GAS
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Ford Spark Plug Part Number: CYFS-12-Y1X
$11.68 MSRP: $18.55
You Save: $6.87 (38%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: CYFS-12-Y1, SP-535
Fits the following Ford Models:
- EcoSport | 2018-2022 | S, SE, SES, Titanium, Titanium Plus, Trend EU | 2.0L L4, 4 Cyl 2.0 L GAS
- Focus | 2012-2018 | Electric, S, SE, SEL, ST, Titamium, Titanium | 2.0L L4, 4 Cyl 2.0 L FLEX, 4 Cyl 2.0 L GAS
- Transit Connect | 2018-2023 | Series 128V, Series 400V, Series 410V, Series 420V, Series 500V, Series 510V, Titanium, XL, XLT | 2.0L L4, 4 Cyl 2.0 L FLEX, 4 Cyl 2.0 L GAS
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Ford Spark Plug Part Number: AYFS-32Y-RX
$12.14 MSRP: $19.27
You Save: $7.13 (37%)
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Product Specifications
- Replaces: AYFS-32Y-R, AYSF-32Y-PC, SP-490, SP-530
Fits the following Ford Models:
- C-Max | 2013-2018 | Energi SE, Energi SEL, Energi Titanium, Hybrid SE, Hybrid SEL, Hybrid Titanium, Premium, SE, SEL, Titamium, Titanium Econetic | 2.0L L4, 4 Cyl 2.0 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.0 L PLUG-IN HYBRID EV-GAS (PHEV)
- Escape | 2009-2025 | Ford Hybrid, Hybrid, Limited, Limited Hybrid, Mercury Convenience, Mercury Hybrid, Mercury Luxury, Mercury Premier, Platinum Hybrid, Plug-In Hybrid, S, SE, SE Hybrid, SE Plug-In Hybrid, SE Sport Hybrid, SEL Hybrid, SEL Plug-In Hybrid, ST-Line Elite Hybrid, ST-Line Hybrid, ST-Line Select Hybrid, Titanium Hybrid, Titanium Plug-In Hybrid, XLS, XLT | 2.5L L4, 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L GAS, 4 Cyl 2.5 L PLUG-IN HYBRID EV-GAS (PHEV)
- Fusion | 2006-2020 | Base, Energi Platinum, Energi SE, Energi Titanium, Hev Taxi Version, High Version - Car, Hybrid, Low Version - Car, Mid Version - Car, Performance, Platinum Hybrid, Plug-In Hybrid, Police, S, S Hybrid, SE, SE Hybrid, SEL, SEL Hybrid, Series 10, Series 15, Series 20, Series 25, Series 40, Series 5, Series 50, Series 55, Sport, Titanium Hybrid | 2.0L L4, 2.3L L4, 2.5L L4, 4 Cyl 2.0 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.0 L PLUG-IN HYBRID EV-GAS (PHEV), 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L FLEX, 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L GAS
- Maverick | 2022-2025 | Lariat, XL, XLT | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV)
- Police Responder Hybrid | 2019-2020 | Base | 4 Cyl 2.0 L FULL HYBRID EV-GAS (FHEV)
- SSV Plug-In Hybrid | 2019-2020 | Base | 4 Cyl 2.0 L PLUG-IN HYBRID EV-GAS (PHEV)
- Transit Connect | 2014-2022 | Series 128V, Series 400V, Series 410V, Series 420V, Series 500V, Series 510V, Titanium, XL, XLT | 2.5L L4, 4 Cyl 2.5 L CNG, 4 Cyl 2.5 L GAS, 4 Cyl 2.5 L LPG
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Ford Spark Plug Part Number: CYFS-12Y-RT3
$12.05 MSRP: $19.45
You Save: $7.40 (39%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: CYFS-092-YPT, CYFS-12Y-PT, CYFS-92-YPT
Fits the following Ford Models:
- Bronco | 2021-2025 | Badlands, Base, Big Bend, Black Diamond, Everglades, First Edition, Heritage Edition, Heritage Limited Edition, Outer Banks, Raptor, Wildtrak | 4 Cyl 2.3 L GAS, 6 Cyl 2.7 L GAS, 6 Cyl 3.0 L GAS
- Edge | 2015-2024 | LX, SE, SEL, Series 20, Series 40, Series 55, SERIES 60, Sport, ST, ST-Line, Titanium, Titanium Plus | 2.7L V6, 4 Cyl 2.0 L GAS, 6 Cyl 2.7 L GAS
- Escape | 2020-2022 | SEL, Titanium | 4 Cyl 2.0 L GAS
- Expedition | 2018-2021 | King Ranch, Limited, Max King Ranch, Max Limited, Max Platinum, Max SSV, Max XL, Max XLT, Platinum, SSV, XL, XLT | 6 Cyl 3.5 L GAS
- Explorer | 2020-2025 | Base, King Ranch, Limited, Platinum, ST, ST-Line, Timberline, XLT | 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS
- F-150 | 2015-2025 | King Ranch, Lariat, Limited, Phantom, Platinum, Police Responder, Premium, Raptor, SSV, STX, Tremor, XL, XLT | 2.7L V6, 6 Cyl 2.7 L GAS, 6 Cyl 3.5 L FULL HYBRID EV-GAS (FHEV), 6 Cyl 3.5 L GAS
- Fusion | 2017-2019 | Hev Taxi Version, Hybrid, Performance, Plug-In Hybrid, Police, Series 10, Series 15, Series 20, Series 25, Series 40, Series 5, Series 50, Series 55, Sport | 2.7L V6, 6 Cyl 2.7 L GAS
- GT | 2017-2019 | 3.5L V6
- Maverick | 2022-2024 | Lariat, XL, XLT | 4 Cyl 2.0 L GAS
- Police Interceptor Utility | 2020-2025 | Base | 6 Cyl 3.0 L GAS
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Ford Spark Plug Part Number: HYFS-093-YECX
$5.28 MSRP: $8.38
You Save: $3.10 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: HYFS-093-YEC, HYFS-93-YEC, SP-538-A
Fits the following Ford Models:
- EcoSport | 2018-2021 | S, SE, SES, Titanium, Titanium Plus, Trend EU | 1.0L L3, 3 Cyl 1.0 L GAS
- Fiesta | 2014-2019 | High Version - Car, I 4-Door Version, Low Version - Car, Mid Version - Car, SE, ST | 1.0L L3, 3 Cyl 1.0 L GAS
- Focus | 2015-2018 | Electric, S, SE, SEL, ST, Titamium | 1.0L L3, 3 Cyl 1.0 L GAS
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Ford Spark Plug Part Number: HYFS-094-YECX
$14.08 MSRP: $22.36
You Save: $8.28 (38%)
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Product Specifications
- Replaces: HYFS-94-YEC, HYFS-094-YEC, SP-539
Fits the following Ford Models:
- Escape | 2017-2019 | SE, SEL, Titanium | 1.5L L4, 4 Cyl 1.5 L GAS
- Fusion | 2014-2020 | Hev Taxi Version, Hybrid, Performance, Plug-In Hybrid, Police, SE, SEL, Series 10, Series 15, Series 20, Series 25, Series 40, Series 5, Series 50, Series 55 | 1.5L L4, 4 Cyl 1.5 L GAS
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Ford Spark Plug Part Number: CYFS-12Y-PCTX
$12.62 MSRP: $20.36
You Save: $7.74 (39%)
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Product Specifications
- Replaces: CYFS-12Y-PC, CYFS-12Y-2, CYFS-12Y-PCT, SP-527, SP-550
Fits the following Ford Models:
- Bronco Sport | 2021-2025 | Badlands, Base, Big Bend, First Edition, Free Wheeling, Heritage Edition, Heritage Limited Edition, Outer Banks | 3 Cyl 1.5 L GAS, 4 Cyl 2.0 L GAS
- Edge | 2012-2019 | Base, Limited, Lincoln, LX, Premium, SE, SEL, SEL Plus (Limited), Series 20, Series 40, Series 55, SERIES 60, Sport, ST, Titanium, Titanium Plus | 2.0L L4, 4 Cyl 2.0 L GAS
- Escape | 2013-2022 | S, SE, SEL, Titanium | 2.0L L4, 3 Cyl 1.5 L GAS, 4 Cyl 2.0 L GAS
- Expedition | 2018-2019 | Limited, Premium, XL, XLT | 3.5L V6
- Explorer | 2012-2019 | Base, DX, Limited, Police, Sport, XLT | 2.0L L4, 2.3L L4, 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS
- F-150 | 2017-2020 | King Ranch, Lariat, Limited, Phantom, Platinum, Police Responder, Premium, SSV, XL, XLT | 3.5L V6, 6 Cyl 3.5 L GAS
- Focus | 2013-2018 | Electric, RS, RS Version, S, SE, SEL, Series 20, SERIES 32, Series 40, Series 70, Series 75, Series 80, ST, ST-Line, Titamium, Titanium Econetic, Trend Econetic, ZTW | 2.0L L4, 2.3L L4, 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS
- Fusion | 2013-2020 | Hev Taxi Version, Hybrid, Performance, Platinum, Plug-In Hybrid, Police, SE, SEL, Series 10, Series 15, Series 20, Series 25, Series 40, Series 5, Series 50, Series 55, Titanium | 2.0L L4, 4 Cyl 2.0 L GAS
- Mustang | 2015-2023 | 50th Anniversary Edition, Base, EcoBoost, EcoBoost Premium, GT, Shelby Version, Sub C | 2.3L L4, 4 Cyl 2.3 L GAS
- Ranger | 2019 | Lariat, XL, XLT | 2.3L L4
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Ford Spark Plug Part Number: CGSF-22N-A1X
$4.44 MSRP: $7.05
You Save: $2.61 (38%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: CGSF-22N-A1, CGSF-22F, CGSF-22N, SP-518-A, SP-518
Fits the following Ford Models:
- Escape | 2009-2012 | Ford Hybrid, Limited, Mercury Convenience, Mercury Hybrid, Mercury Luxury, Mercury Premier, XLS, XLT | 3.0L V6, 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
- Fusion | 2010-2012 | Base, High Version - Car, Hybrid, Low Version - Car, Mid Version - Car, SE, SEL, Sport | 3.0L V6, 6 Cyl 3.0 L FLEX
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Ford Spark Plug Part Number: AZFS-32F-EX
$7.29 MSRP: $11.58
You Save: $4.29 (38%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: AZFS-32F-E, AZFS-32F-EF4
Fits the following Ford Models:
- Contour | 1998-2000 | 2.0L L4
- Escape | 2001-2004 | DX, Limited, LX, Mercury Luxury, XL, XLS, XLT | 2.0L L4, 4 Cyl 2.0 L GAS
- Escort | 1998-2003 | ZX2, ZX2 Cool Coupe, ZX2 Hot Coupe, ZX2 S/R | 2.0L L4, 4 Cyl 2.0 L GAS
- Focus | 2000-2007 | LX, S, SE, SE Wagon, SEL, Series 25, SES, Sony Limited Edition, ST, SVT, SVT 3 Door, SVT 5 Door, ZTS, ZTW, ZX3, ZX4, ZX4 ST, ZX5, ZXW | 2.0L L4, 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS
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Ford Spark Plug Part Number: AGSP-32F-SMX
$5.97 MSRP: $9.69
You Save: $3.72 (39%)
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Product Specifications
- Replaces: AGSP-32F-SMF4, AGSP-32F-SM
Fits the following Ford Models:
- Thunderbird | 2002-2005 | 50th Anniversary Edition, Base, James Bond Edition, Neiman Marcus, Pacific Coast Roadster, South Beach Edition | 3.9L V8, 8 Cyl 3.9 L GAS
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Ford Spark Plug Part Number: AGSF-22F-1MX
$5.79 MSRP: $9.40
You Save: $3.61 (39%)
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Product Specifications
- Replaces: AGSF-22F-1M, AGSF-22F-CM
Fits the following Ford Models:
- Escape | 2007-2008 | Ford Hybrid, Limited, Mercury Convenience, Mercury Hybrid, Mercury Luxury, Mercury Premier, XLS, XLT | 3.0L V6, 6 Cyl 3.0 L GAS
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Ford Spark Plug Part Number: CYFS-12F-1X
$6.22 MSRP: $10.04
You Save: $3.82 (39%)
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Product Specifications
- Replaces: CYFS-12F-1, CYFS-12Y, SP-519, SP-548
Fits the following Ford Models:
- F-150 | 2011-2017 | FX2, FX4, FX4 Off Road, King Ranch, Lariat, Limited, Lincoln, Phantom, Platinum, Premium, SSV, STX, XL, XLT | 5.0L V8, 8 Cyl 5.0 L FLEX
- Mustang | 2011-2020 | 50th Anniversary Edition, Base, GT, GT 50 Years Limited Edition, GT Premium, Shelby GT350, Shelby GT350R, Shelby Version, Sub C | 5.0L V8, 5.2L V8, 8 Cyl 5.0 L GAS, 8 Cyl 5.2 L GAS
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Ford Spark Plug Part Number: AGSF-32F-ECAX
$8.20 MSRP: $13.31
You Save: $5.11 (39%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: AGSF-32F-ECA, AGSF-32F-PC, AGSF-32F-ECF4, AGSF-32F-EC, SP-439
Fits the following Ford Models:
- Ranger | 2001-2010 | Edge, SE, Sport, STX, SX, XL, XLT | 2.3L L4, 4 Cyl 2.3 L GAS
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Ford Spark Plug Part Number: PZK-1F-X
$12.85 MSRP: $20.73
You Save: $7.88 (39%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: [SPARK PLUG]
- Replaces: PZH-1F, PZT-1F, PZK-1F, SP-514, SP-462, SP-547
Fits the following Ford Models:
- Expedition | 2007 | EL Eddie Bauer, EL Limited, EL XLT, Eddie Bauer, Limited, XLT | 8 Cyl 5.4 L GAS
- Explorer | 2006-2008 | Base, Eddie Bauer, Elite, Limited, Mercury Luxury, Mercury Premier, Mountaineer Version, XLS, XLT | 4.6L V8, 8 Cyl 4.6 L GAS
- Explorer Sport Trac | 2007-2008 | Limited, XLT | 4.6L V8, 8 Cyl 4.6 L GAS
- F-150 | 2004-2008 | 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
- F-250 Super Duty | 2005-2007 | Harley-Davidson Edition, King Ranch, Lariat, XL, XLT | 10 Cyl 6.8 L GAS, 8 Cyl 5.4 L GAS
- F-350 Super Duty | 2005-2007 | Harley-Davidson Edition, King Ranch, Lariat, XL, XLT | 10 Cyl 6.8 L GAS, 8 Cyl 5.4 L GAS
- Mustang | 2005-2008 | Base, Bullitt, GT, Shelby GT, Shelby Version | 4.6L V8, 5.8L V8, 8 Cyl 4.6 L GAS
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Ford Spark Plug Part Number: AGSF-22F-M1X
$5.23 MSRP: $8.31
You Save: $3.08 (38%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: AGSF-22F-M1, AWSF-22F-M, AWSF-22F-M1, SP-405
Fits the following Ford Models:
- Crown Victoria | 2007-2011, 1996-2002 | Base, LWB, LX, Police Interceptor, S | 4.6L V8, 8 Cyl 4.6 L CNG, 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
- E-150 | 2009-2014 | Base, XL, XLT | 8 Cyl 4.6 L FLEX
- E-250 | 2009-2014, 1997-1999 | Base | 5.4L V8, 8 Cyl 4.6 L FLEX
- E-350/E-350 Super Duty | 1997-1999 | 5.4L V8
- F-250 | 1997-1999 | 5.4L V8
- Mustang | 2007-2012 | Shelby GT500, Shelby GT500KR | 8 Cyl 5.4 L GAS
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Ford Spark Plug Part Number: JYSP-12Y-PTX
$17.98 MSRP: $28.55
You Save: $10.57 (38%)
Ships in 1-2 Business Days
ADD TO CART
Fits the following Ford Models:
- Escape | 2023-2025 | Active, Base, ST-Line | 3 Cyl 1.5 L GAS
- Maverick | 2025 | Lariat, Lobo, Tremor, XL, XLT | 4 Cyl 2.0 L GAS
- Mustang | 2024-2025 | EcoBoost, EcoBoost Premium | 4 Cyl 2.3 L GAS
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Ford Spark Plug Part Number: AGSF-22W-M
$5.60 MSRP: $8.67
You Save: $3.07 (36%)
Product Specifications
- Other Name: High Ignitability Spark Plug; Spark Plug Iridium Power
- Manufacturer Note: Service plug may differ from original
- Replaced by: AGSF-22W-MX
Fits the following Ford Models:
- E-150 | 2008 | Base, XL, XLT | 8 Cyl 5.4 L GAS
- E-250 | 2008 | Base | 8 Cyl 5.4 L GAS
- E-350 Super Duty | 2008 | Base, XL, XLT | 10 Cyl 6.8 L GAS, 8 Cyl 5.4 L GAS
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Ford Spark Plug

If you own Ford and want to keep it in top shape, choosing OEM Spark Plug is a smart move. They are precisely engineered and follow strict factory standards. They are made in advanced facilities that use cutting edge technology. Each part goes through thorough testing to confirm strength and safety, so you can trust it. FordPartsDeal.com gives you genuine Ford Spark Plug at some of the affordable online prices without cutting quality. Every OEM Ford part includes the manufacturer's warranty, easy returns, and super-fast delivery. So why wait? Shop now and get your vehicle back to peak condition.

Ford Spark Plug fires are single spark ignition fires that are very clean and fast and kick off the combustion every time. Ford was established in 1903 and was known to have established its legacy on the moving assembly line, which helped to crowd out reliable cars that ordinary families could actually afford and reinvent modern manufacturing. Ford is matching turbocharged EcoBoost power with tight-fisted fuel consumption today so we know that muscle and thrift can be on the same block. The car listens, drivers speak and all because Ford bakes SYNC voice control into dashboards and makes the playlist and routes change without touching the hands on the wheel. Autopilot braking, roadside warnings and an ever-increasing lineup of electric pickups demonstrate that Ford takes safety and clean energy as a necessity and not an optional feature. Within any gasoline engine, the Spark Plug directs thousands of volts, via a ceramic-insulated electrode, through a gap of a few millimeters, and ignites the swirl of air-fuel mixture in a few milliseconds, cranking pistons in motion and power flowing down the crank. A new Spark Plug is important indeed. An iridium or platinum tip burns more and a copper core Spark Plug conducts heat quickly but wears out more quickly, and some burn deposits off. Change the Spark Plug at the suggested time and misfires, slow starts, and wasted gas are eliminated before they become pocket-draining drama.

Ford Spark Plug Parts and Q&A

Spark Plug
PZK-1F
Q: How to inspect a spark plug for issues such as bridged gaps, deposit build-up, oil fouling, carbon fouling, normal burning, pre-ignition, overheating, and fused deposits on Ford Mustang?
A:
Examine the spark plug and check if a small gap between the electrodes has closed due to deposit build-up that occurs from oil or carbon contaminants. If required you should clean the spark plug. A spark plug replacement requires resolving any oil leak issues before installation if you notice the black wet deposits on electrodes from excessive oil entering the combustion chamber. Possible causes include worn rings and pistons and excessive valve-to-guide clearance or worn or loose bearings. Black dry fluffy carbon buildup signals carbon fouling on insulator tips and electrode and shell surface areas; inspect these parts whenever you see such deposits because incorrect spark plug heat range, dirty air filters, or excessive fuel richness or idling could cause it. Clean the spark plug if fouling is present. The inspection of normal burning requires you to check for light tan or gray residue on the firing tip. The condition of pre-ignition appears through melted electrodes and possible insulator breakdown along with engine damage signs stemming from improper ignition point settings or incorrect fuel selection or unauthorized installation of hell-coil devices will necessitate a replacement of the spark plug. Overheating spots appearing as white or light gray together with electrodes showing a bluish-burnt appearance may indicate engine overheating and improper fuel choice and spark plug looseness, incorrect heat range selection and low fuel pressure or incorrect timing. Replace the spark plug as needed. To complete the inspection check for fused deposits that take the form of melted or spotty bubbles which occur during abrupt accelerated driving. Proper cleaning of the spark plug should follow.
Spark Plug
AGSF-24N-X
Q: How to service spark plugs to ensure proper engine performance on Ford Ranger?
A:
The correct attachment of spark plug wires according to the Coil Terminal-to-Cylinder Relationship will help maintain proper engine performance. The spark plug wire requires removal by twisting slightly before pulling the wire upward. Compressed air should be used to extract foreign contaminants before removing the spark plug. The correct torque for tightening the new spark plug should be 12 Nm (106 lb-in). The spark plug examination should include gap measurement followed by proper adjustment before you reverse the removal steps for installation.