How to service spark plugs on Lincoln Town Car?

Service of the spark plugs begins by taking out the ignition coil-on-plugs. The first step before removing spark plugs should involve blowing compressed air into the spark plug well to remove foreign matter. A thorough inspection of spark plugs should take place after their removal from the vehicle. The installation of new spark plugs should be done by following the reverse order of removal and requires setting the spark plug gap according to specifications.

How to service and repair a spark plug on Lincoln Navigator?

The service process starts with igniting coil removal followed by spark plug extraction where compressed air should be used to clear dirt from spark plug wells. The inspection of spark plugs should evaluate their electrode gap and analyze excessive deposits that could obstruct the electrode passage to determine if cleaning is needed. Check for oil fouling by examining the insulator shell bore electrodes for black wet deposits since this indicates oil intrusion into the combustion chamber caused by ring and piston wear or valve-to-guide clearance issues or worn or loose bearings. Resolve all oil leak conditions before installing a new spark plug. To evaluate carbon fouling examine black dry fluffy carbon accumulations on insulator tips and exposed shell surfaces and electrodes because this condition develops from improper heat range selection or polluted air filters or fuel mixtures or prolonged engine idling; cleaning the spark plug should follow if needed. Normal spark plug functioning can be checked by examining the firing tip for light tan or gray residue while pre-ignition diagnosis should include analyses of melted electrodes and possible insulator harm that might result from incorrect timing, improper fuel choice, or using a heli-coil thread replacement instead of the original plug requiring plug replacement. The combination of engine overheating with wrong fuel type or loose spark plugs or incorrect heat range spark plugs or low fuel pump pressure or improper ignition timing will show as white or light gray-brown spots and a bluish-burnt appearance of the electrodes that require the replacement of the spark plug. All fused deposits should be inspected for bubble or blister forms caused by fast acceleration; cleaning the spark plug might be necessary. End the plug installation by first checking then adjusting the spark plug gap before proceeding with the reverse removal steps.

OEM Lincoln Spark Plug

Ignition Spark Plug

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19 Spark Plugs found

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Lincoln 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
Fits the following Lincoln Models:
- Mark LT | 2006-2008 | Base | 8 Cyl 5.4 L GAS
- Navigator | 2007-2008 | Base, L, L Luxury, L Ultimate, Luxury, Ultimate | 8 Cyl 5.4 L GAS
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Lincoln Spark Plug Part Number: CYFS-12Y-T6
$5.12 MSRP: $7.93
You Save: $2.81 (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
Fits the following Lincoln Models:
- Continental | 2017-2020 | Base, Livery, Premiere, Select | 6 Cyl 3.7 L GAS
- MKS | 2013-2016 | Base | 6 Cyl 3.7 L GAS
- MKT | 2013-2018 | Base, Premiere | 6 Cyl 3.7 L GAS
- MKX | 2011-2018 | Base, Black Label, Premiere, Reserve, Select | 6 Cyl 3.7 L GAS
- MKZ | 2013-2016 | Base, Black Label | 6 Cyl 3.7 L GAS
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Lincoln Spark Plug Part Number: AGSP-32F-SMX
$5.08 MSRP: $8.25
You Save: $3.17 (39%)
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Product Specifications
- Replaces: AGSP-32F-SM, AGSP-32F-SMF4
Fits the following Lincoln Models:
- LS | 2003-2006 | Base, LSE, Sport, Ultimate | 8 Cyl 3.9 L GAS
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Lincoln Spark Plug Part Number: AGSP-32F-MX
$4.63 MSRP: $7.51
You Save: $2.88 (39%)
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Product Specifications
- Replaces: AGSP-32F-M, SP-497, SP-467, AGSP-32F
Fits the following Lincoln Models:
- LS | 2000-2002 | Base, LSE | 8 Cyl 3.9 L GAS
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Lincoln Spark Plug Part Number: AGSF-22F-SMX
$4.88 MSRP: $7.93
You Save: $3.05 (39%)
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Product Specifications
- Replaces: AGSF-22F-SM
Fits the following Lincoln Models:
- LS | 2003-2006 | Appearance, Base, LSE, Luxury, Premium, Sport, Ultimate | 6 Cyl 3.0 L GAS, 8 Cyl 3.9 L GAS
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Lincoln Spark Plug Part Number: HJFS-24FP-X
$9.73 MSRP: $15.05
You Save: $5.32 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: SP-509, HJFS-24FP
Fits the following Lincoln Models:
- Navigator | 2008-2014 | Base, L | 8 Cyl 5.4 L FLEX, 8 Cyl 5.4 L GAS
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Lincoln Spark Plug Part Number: DYFS-12Y-PT
$12.81 MSRP: $19.82
You Save: $7.01 (36%)
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Fits the following Lincoln Models:
- Navigator | 2022-2024 | Base, Black Label, L Base, L Black Label, L Livery, L Reserve, Reserve | 6 Cyl 3.5 L GAS
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Lincoln 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
Fits the following Lincoln Models:
- MKS | 2010-2016 | EcoBoost | 6 Cyl 3.5 L GAS
- MKT | 2010-2019 | Base, EcoBoost, Livery, Premiere, Reserve | 6 Cyl 3.5 L GAS, 6 Cyl 3.7 L GAS
- Navigator | 2015-2017 | Base, L, L Reserve, L Select, Reserve, Select | 6 Cyl 3.5 L GAS
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Lincoln Spark Plug Part Number: CYFS-12Y-RX
$10.96 MSRP: $17.40
You Save: $6.44 (38%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: CYFS-12Y-PC5, SP-531, SP-545, CYFS-12Y-R
Fits the following Lincoln Models:
- Corsair | 2021-2023 | Grand Touring | 4 Cyl 2.5 L PLUG-IN HYBRID EV-GAS (PHEV)
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Lincoln Spark Plug Part Number: AYFS-32Y-RX
$11.41 MSRP: $17.65
You Save: $6.24 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: AYFS-32Y-R, SP-490, SP-530, AYSF-32Y-PC
Fits the following Lincoln Models:
- MKZ | 2011-2020 | Black Label Hybrid, Hybrid, Premiere Hybrid, Reserve Hybrid, Reserve I Hybrid, Reserve II Hybrid, Select Hybrid | 4 Cyl 2.0 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV)
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Lincoln Spark Plug Part Number: AYFS-22F-MX
$5.26 MSRP: $8.15
You Save: $2.89 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: AYFS-22F-M, SP-411
Fits the following Lincoln Models:
- MKS | 2009-2012 | Base | 6 Cyl 3.7 L GAS
- MKT | 2010-2012 | Base | 6 Cyl 3.7 L GAS
- MKX | 2007-2010 | Base | 6 Cyl 3.5 L GAS
- MKZ | 2007-2012 | Base | 6 Cyl 3.5 L GAS
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Lincoln Spark Plug Part Number: AGSF-32W-MX
$5.59 MSRP: $8.87
You Save: $3.28 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: AGSF-32W-, AGSF-32W-M, AGSF-32W-MF4, SP-433
Fits the following Lincoln Models:
- Zephyr | 2006 | Base | 6 Cyl 3.0 L GAS
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Lincoln Spark Plug Part Number: AGSF-32P-MX
$6.04 MSRP: $9.35
You Save: $3.31 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: AGSF-32P-M, AGSF-32P-MF4, SP-493
Fits the following Lincoln Models:
- Navigator | 2001-2006 | Base, Luxury, Ultimate | 8 Cyl 5.4 L GAS
- Town Car | 1998-2005 | Cartier, Cartier L, Executive, Executive L, Executive Protection Series, Protection Series, Signature, Signature L, Signature Limited, Ultimate, Ultimate L | 8 Cyl 4.6 L GAS
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Lincoln Spark Plug Part Number: AGSF-32N-X
$4.84 MSRP: $7.49
You Save: $2.65 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: SP-413, AGSF-32N
Fits the following Lincoln Models:
- Town Car | 2006-2011 | Designer Series, Executive, Executive L, Protection Series, Signature, Signature L, Signature Limited | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
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Lincoln Spark Plug Part Number: AGSF-32F-MX
$5.41 MSRP: $8.36
You Save: $2.95 (36%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaces: AGSF-32F-SM, AGSF-32F-M, SP-470-X, SP-470, SP-432, AGSF-32F-SMX, AWSF-32F-
Fits the following Lincoln Models:
- LS | 2000-2002 | Base, LSE | 6 Cyl 3.0 L GAS
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Lincoln Spark Plug Part Number: AGSF-22F-M1X
$5.23 MSRP: $8.09
You Save: $2.86 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: AWSF-22F-M, AWSF-22F-M1, AGSF-22F-M1, SP-405
Fits the following Lincoln Models:
- Town Car | 2004-2011 | Designer Series, Executive, Executive L, Protection Series, Signature, Signature L, Signature Limited, Ultimate, Ultimate L | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
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Lincoln Spark Plug Part Number: CYFS-12Y-RT3
$11.75 MSRP: $18.18
You Save: $6.43 (36%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaces: CYFS-12Y-PT, CYFS-92-YPT, CYFS-092-YPT
Fits the following Lincoln Models:
- Aviator | 2020-2023 | Base, Black Label, Black Label Grand Touring, Grand Touring, Livery, Reserve | 6 Cyl 3.0 L GAS, 6 Cyl 3.0 L PLUG-IN HYBRID EV-GAS (PHEV)
- Continental | 2017-2020 | 80th Anniversary Coach Door Edition, Black Label, Coach Door Edition, Reserve, Select | 6 Cyl 2.7 L GAS, 6 Cyl 3.0 L GAS
- Corsair | 2020-2023 | Base, Reserve | 4 Cyl 2.0 L GAS
- MKX | 2016-2018 | Black Label, Premiere, Reserve, Select | 6 Cyl 2.7 L GAS
- MKZ | 2017-2020 | Black Label, Reserve, Reserve II, Select | 6 Cyl 3.0 L GAS
- Nautilus | 2019-2023 | Base, Black Label, Reserve, Select | 4 Cyl 2.0 L GAS, 6 Cyl 2.7 L GAS
- Navigator | 2018-2021 | Base, Black Label, L Black Label, L Livery, L Reserve, L Select, Premiere, Reserve, Select | 6 Cyl 3.5 L GAS
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Lincoln 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
Fits the following Lincoln Models:
- Corsair | 2020-2022 | Base, Reserve | 4 Cyl 2.3 L GAS
- MKC | 2015-2019 | Base, Black Label, Premiere, Reserve, Select | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS
- MKZ | 2013-2020 | Base, Black Label, Premiere, Reserve, Reserve I, Reserve II, Select | 4 Cyl 2.0 L GAS
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Lincoln Spark Plug Part Number: AGSF-22W-MX
$5.33 MSRP: $8.25
You Save: $2.92 (36%)
Product Specifications
- Replaces: AGSF-22W-M, SP-479, AGSF-22W-
Fits the following Lincoln Models:
- Navigator | 1998-2000 | Base | 8 Cyl 5.4 L GAS

Lincoln Spark Plug

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Lincoln Spark Plug Parts and Q&A

Spark Plug
AGSF-22F-M1X
Q: How to service spark plugs on Lincoln Town Car?
A:
Service of the spark plugs begins by taking out the ignition coil-on-plugs. The first step before removing spark plugs should involve blowing compressed air into the spark plug well to remove foreign matter. A thorough inspection of spark plugs should take place after their removal from the vehicle. The installation of new spark plugs should be done by following the reverse order of removal and requires setting the spark plug gap according to specifications.
Spark Plug
AGSF-32P-MX
Q: How to service and repair a spark plug on Lincoln Navigator?
A:
The service process starts with igniting coil removal followed by spark plug extraction where compressed air should be used to clear dirt from spark plug wells. The inspection of spark plugs should evaluate their electrode gap and analyze excessive deposits that could obstruct the electrode passage to determine if cleaning is needed. Check for oil fouling by examining the insulator shell bore electrodes for black wet deposits since this indicates oil intrusion into the combustion chamber caused by ring and piston wear or valve-to-guide clearance issues or worn or loose bearings. Resolve all oil leak conditions before installing a new spark plug. To evaluate carbon fouling examine black dry fluffy carbon accumulations on insulator tips and exposed shell surfaces and electrodes because this condition develops from improper heat range selection or polluted air filters or fuel mixtures or prolonged engine idling; cleaning the spark plug should follow if needed. Normal spark plug functioning can be checked by examining the firing tip for light tan or gray residue while pre-ignition diagnosis should include analyses of melted electrodes and possible insulator harm that might result from incorrect timing, improper fuel choice, or using a heli-coil thread replacement instead of the original plug requiring plug replacement. The combination of engine overheating with wrong fuel type or loose spark plugs or incorrect heat range spark plugs or low fuel pump pressure or improper ignition timing will show as white or light gray-brown spots and a bluish-burnt appearance of the electrodes that require the replacement of the spark plug. All fused deposits should be inspected for bubble or blister forms caused by fast acceleration; cleaning the spark plug might be necessary. End the plug installation by first checking then adjusting the spark plug gap before proceeding with the reverse removal steps.