How should the Spark Plug be installed in a 2.7L engine to avoid damage and ensure proper performance on Chrysler 300?

Exercise caution while installation of the spark plug for the 2.7L engine so as not to drop it or force it into the wells as this can damage or the electrodes or the porcelain body. Begin by using your hands to start the spark plug as this prevents cross thread into the cylinder head. After that tighten to a torque of 17.5 Nm (13 ft. lbs). This prevents damage to the cylinder head or plug which causes poor engine performance. Once the spark plug is secured in its position, next, align the coil with the top of the spark plug. Next, twist down the coil assembly on the spark plug and install and tighten the mounting bolt to 7.5 Nm (65 in. lbs.). After that, attach the electrical connector to the ignition coil. Finally, install the upper intake manifold. Finally, connect the negative battery cable, tightening the nut to 5 Nm (45 in. lbs.).

How to service a Spark Plug on Chrysler 300?

To service your spark plug, disconnect the negative battery cable and take off the intake manifold. Prior to removal of ignition coils, compressed air must be sprayed on and around the coils and spark plug to dislodge particles from the spark plug tube. For the 3.5L engines, holding the engine in the air, screw the screws backward and for a turnaround and don't lose the spacers under the coil. After that, you will need to take out the ignition coil before removing the spark plug with a quality socket (preferably one with a rubber or foam insert) and checking the spark plug condition. When installing a spark plug, first start it by hand so as not to cross thread it in the cylinder head, then tighten to 17 N.m (12.5 ft. lbs.). Install the ignition coil assembly on the spark plug, tighten the coil screws by hand, and torque the screws to 6.7 N.m (60 in. lbs.). Incorporate and lock electrical connection, replace intake manifold, and reconnect negative battery cable.

OEM Chrysler 300 Spark Plug

Ignition Spark Plug

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12 Spark Plugs found

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Chrysler 300 Spark Plug Part Number: SP149212AC
$13.17 MSRP: $19.20
You Save: $6.03 (32%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Spark Plug Iridium Power; Spark Plug Quantity Of 8 Per Cylinder Head. 16 Total Per Engine.
- Replaces: 5149212AC
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2023, 2012-2014 Chrysler 300 | C, SRT8, SRT8 Core | 8 Cyl 6.4 L GAS
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Chrysler 300 Spark Plug Part Number: SPLZFR5C11
$9.12 MSRP: $13.35
You Save: $4.23 (32%)
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Product Specifications
- Other Name: High Ignitability Spark Plug; Iridium Long-Life; Platinum TT; Iridium Power; Iridium TT.
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2009-2013 Chrysler 300 | C, C Luxury, S | 8 Cyl 5.7 L GAS
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Chrysler 300 Spark Plug Part Number: SZFR5LP13G
$10.26 MSRP: $15.00
You Save: $4.74 (32%)
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Product Specifications
- Other Name: Spark Plug Standard
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2005-2009 Chrysler 300 | Limited, Signature Series, Touring | 6 Cyl 3.5 L GAS
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Chrysler 300 Spark Plug Part Number: 68303913AA
$11.40 MSRP: $16.70
You Save: $5.30 (32%)
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Product Specifications
- Other Name: Plug; Spark Plug Iridium Power; Spark Plug Iridium TT
- Replaces: SP303913AA, SPRE14MCC4, 56028374AB
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2005-2008 Chrysler 300 | C, C SRT8 | 5.7L V8, 8 Cyl 5.7 L GAS, 8 Cyl 6.1 L GAS
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Chrysler 300 Spark Plug Part Number: SP143877AB
$20.52 MSRP: $30.00
You Save: $9.48 (32%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: High Ignitability Spark Plug; Iridium Long-Life; Iridium Power; Iridium TT.
- Replaces: SP143877AA, 68143877AB
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2014-2023 Chrysler 300 | C, C Luxury, C Platinum, S | 5.7L V8, 8 Cyl 5.7 L GAS
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Chrysler 300 Spark Plug Part Number: SPLZTR5A13
$11.60 MSRP: $16.70
You Save: $5.10 (31%)
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Product Specifications
- Other Name: Spark Plug Iridium Power; Spark Plug Iridium TT
- Replaces: SPLCTR5A13, SPLZ0050AA, 5037404AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2008-2010 Chrysler 300 | C SRT8 | 8 Cyl 6.1 L GAS
- 2005-2006 Chrysler 300 | 6.1L V8
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Chrysler 300 Spark Plug Part Number: 68304015AA
$11.60 MSRP: $16.70
You Save: $5.10 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Plug
- Replaces: SVRE10PMC5, SPRE10PMC5
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2005 Chrysler 300 | Base | 6 Cyl 2.7 L GAS
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Chrysler 300 Spark Plug Part Number: SP149125AF
$24.61 MSRP: $31.25
You Save: $6.64 (22%)
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Product Specifications
- Replaces: SP149125AE, 5149125AD, 5149125AE, SP149125AD
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2011-2023 Chrysler 300 | Base, C, C Luxury, C Platinum, Limited, S, Touring, Touring L | 3.6L V6, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Chrysler 300 Spark Plug Part Number: 68303929AA
$9.74 MSRP: $14.20
You Save: $4.46 (32%)
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Product Specifications
- Replaces: SP0RE10PM5
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2005-2007 Chrysler 300 | Base | 2.7L V6, 6 Cyl 2.7 L GAS
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Chrysler 300 Spark Plug Part Number: 68304018AA
$11.60 MSRP: $16.70
You Save: $5.10 (31%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Replaces: SPTE10PMC5
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2009-2010 Chrysler 300 | Touring | 2.7L V6, 6 Cyl 2.7 L GAS
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Chrysler 300 Spark Plug Part Number: 68303923AA
$14.57 MSRP: $16.70
You Save: $2.13 (13%)
ADD TO CART
Product Specifications
- Replaces: SPRE14PMC5
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2008-2009 Chrysler 300 | LX | 2.7L V6, 6 Cyl 2.7 L GAS
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Chrysler 300 Spark Plug Part Number: SZFR5000AA
Product Specifications
- Other Name: Spark Plug Standard
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2010 Chrysler 300 | Limited, S, Touring | 6 Cyl 3.5 L GAS

Chrysler 300 Spark Plug

Choose OEM Spark Plug that meet Chrysler factory standards. Chrysler designs and tests every component for precision and durability. Each Spark Plug follows strict manufacturing steps to lock in quality and fit. If your Chrysler 300 matters to you, OEM parts make the smart choice. You'll get the exact look, feel, and performance you expect. Shop genuine 300 parts at the highly competitive prices online. Enjoy a manufacturer's warranty, a hassle-free return policy, and rapid delivery. No more guesswork with off brands. Get genuine parts with exact fit and true factory performance. Shop with confidence today at JeepPartsDeal.com.

Chrysler 300 Spark Plug Parts and Q&A

Spark Plug
SZFR5LP13G
Q:
How should the Spark Plug be installed in a 2.7L engine to avoid damage and ensure proper performance on Chrysler 300?
A:
Exercise caution while installation of the spark plug for the 2.7L engine so as not to drop it or force it into the wells as this can damage or the electrodes or the porcelain body. Begin by using your hands to start the spark plug as this prevents cross thread into the cylinder head. After that tighten to a torque of 17.5 Nm (13 ft. lbs). This prevents damage to the cylinder head or plug which causes poor engine performance. Once the spark plug is secured in its position, next, align the coil with the top of the spark plug. Next, twist down the coil assembly on the spark plug and install and tighten the mounting bolt to 7.5 Nm (65 in. lbs.). After that, attach the electrical connector to the ignition coil. Finally, install the upper intake manifold. Finally, connect the negative battery cable, tightening the nut to 5 Nm (45 in. lbs.).
Spark Plug
68303913AA
Q:
How to service a Spark Plug on Chrysler 300?
A:
To service your spark plug, disconnect the negative battery cable and take off the intake manifold. Prior to removal of ignition coils, compressed air must be sprayed on and around the coils and spark plug to dislodge particles from the spark plug tube. For the 3.5L engines, holding the engine in the air, screw the screws backward and for a turnaround and don't lose the spacers under the coil. After that, you will need to take out the ignition coil before removing the spark plug with a quality socket (preferably one with a rubber or foam insert) and checking the spark plug condition. When installing a spark plug, first start it by hand so as not to cross thread it in the cylinder head, then tighten to 17 N.m (12.5 ft. lbs.). Install the ignition coil assembly on the spark plug, tighten the coil screws by hand, and torque the screws to 6.7 N.m (60 in. lbs.). Incorporate and lock electrical connection, replace intake manifold, and reconnect negative battery cable.