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

To perform service on the spark plug, remove the ignition coil and spark plugs wiping them off with compressed air. Check normal burning, clean where necessary and inspect for fouling. Search in case of overheating and fused deposits. You can adjust the spacing and reinstallation, reverse the removal process.

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 Lincoln Town Car?

Check the spark plug to see whether there are bridged gaps and deposits of oil or carbon build-up. Clean if necessary. Oil fouling (wet, black deposits) and carbon fouling (black, dry deposits). Check normal burning (light tan deposits), and evidence of overheating or fusion, and replace the spark plug when necessary.

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
$5.39 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
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-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-
Fits the following Lincoln Models:
- Navigator | 1998-2000 | Base | 8 Cyl 5.4 L GAS
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Lincoln Spark Plug Part Number: AGSF-22F-SMX
$5.08 MSRP: $8.25
You Save: $3.17 (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: $15.06
You Save: $5.33 (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%)
Ships in 1-3 Business Days
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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
$5.13 MSRP: $8.15
You Save: $3.02 (38%)
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
$5.73 MSRP: $8.87
You Save: $3.14 (36%)
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
$4.61 MSRP: $7.13
You Save: $2.52 (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
$4.98 MSRP: $8.09
You Save: $3.11 (39%)
Ships in 1-3 Business Days
ADD TO CART
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
$11.20 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
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
ADD TO CART
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 Parts and Q&A

Spark Plug
AGSF-32P-MX
Q: How to service and repair a spark plug on Lincoln Navigator?
A: To perform service on the spark plug, remove the ignition coil and spark plugs wiping them off with compressed air. Check normal burning, clean where necessary and inspect for fouling. Search in case of overheating and fused deposits. You can adjust the spacing and reinstallation, reverse the removal process.
Spark Plug
AGSF-22F-M1X
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 Lincoln Town Car?
A: Check the spark plug to see whether there are bridged gaps and deposits of oil or carbon build-up. Clean if necessary. Oil fouling (wet, black deposits) and carbon fouling (black, dry deposits). Check normal burning (light tan deposits), and evidence of overheating or fusion, and replace the spark plug when necessary.