[solidaxel]

2003 LS 5.3 in our GMC pick up is in need of new spark plugs.
There are many choices out there so where to start

Stock replacements, or is there something better for mileage and or performance?

Add to ListCompare Item
2003 GMC Truck Sierra 1500 2WD 5.3L MFI OHV 8cyl Autolite XP Iridium Spark Plug, Part Number: XP5245 Fits Your Vehicle
Autolite XP Iridium Spark Plug
Price: $6.99
Mail-in Rebate - View Now
Part Number: XP5245
Notes:

In Stock

Ship To Home
In Stock
ADD TO CART
Add to ListCompare Item
2003 GMC Truck Sierra 1500 2WD 5.3L MFI OHV 8cyl Bosch Iridium Spark Plug, Part Number: 9602 Fits Your Vehicle
Bosch Iridium Spark Plug
Price: $6.99
Part Number: 9602
Notes: Gap is pre-set. Do not gap.

In Stock

Ship To Home
In Stock
ADD TO CART
Add to ListCompare Item
2003 GMC Truck Sierra 1500 2WD 5.3L MFI OHV 8cyl NGK IX Iridium Spark Plug, Part Number: 7397 Fits Your Vehicle
NGK IX Iridium Spark Plug
Price: $7.99
Mail-in Rebate - View Now
Part Number: 7397
Notes:
(See Reviews)

In Stock

Ship To Home
In Stock
ADD TO CART
Add to ListCompare Item
2003 GMC Truck Sierra 1500 2WD 5.3L MFI OHV 8cyl NGK Laser Iridium Spark Plug, Part Number: 1465 Fits Your Vehicle
NGK Laser Iridium Spark Plug
Price: $9.99
Mail-in Rebate - View Now
Part Number: 1465
Notes:
(See Reviews)

In Stock

Ship To Home
In Stock
ADD TO CART
Add to ListCompare Item
2003 GMC Truck Sierra 1500 2WD 5.3L MFI OHV 8cyl Denso Iridium Spark Plug, Part Number: 5090 Fits Your Vehicle
Denso Iridium Spark Plug
Price: Not Available
Part Number: 5090
Notes: Long life

Not Available

Ship To Home
Not Available
ADD TO CART
Add to ListCompare Item
2003 GMC Truck Sierra 1500 2WD 5.3L MFI OHV 8cyl Denso Iridium TT Spark Plug, Part Number: 4713 Fits Your Vehicle
Denso Iridium TT Spark Plug
Price: $7.99
Part Number: 4713
Notes:

Order in Store

Ship To Home
In Stock
ADD TO CART
Add to ListCompare Item
2003 GMC Truck Sierra 1500 2WD 5.3L MFI OHV 8cyl Autolite Double Plat Spark Plug, Part Number: APP5245 Fits Your Vehicle
Autolite Double Plat Spark Plug
Price: $4.79
Part Number: APP5245
Notes:

In Stock

Ship To Home
In Stock
ADD TO CART
Add to ListCompare Item
2003 GMC Truck Sierra 1500 2WD 5.3L MFI OHV 8cyl Bosch Dbl Platinum Spark Plug, Part Number: 8104 Fits Your Vehicle
Bosch Dbl Platinum Spark Plug
Price: $5.19
Part Number: 8104
Notes: Gap is pre-set. Do not gap.

In Stock

Ship To Home
In Stock
ADD TO CART
Add to ListCompare Item
2003 GMC Truck Sierra 1500 2WD 5.3L MFI OHV 8cyl ACDelco Double Plat Spark Plug, Part Number: 41-962 Fits Your Vehicle
ACDelco Double Plat Spark Plug
Price: $7.29
Mail-in Rebate - View Now
Part Number: 41-962
Notes:
(See Reviews)

In Stock

Ship To Home
In Stock
ADD TO CART
Add to ListCompare Item
2003 GMC Truck Sierra 1500 2WD 5.3L MFI OHV 8cyl NGK Laser Dbl Plat Spark Plug, Part Number: 3784 Fits Your Vehicle
NGK Laser Dbl Plat Spark Plug
Price: $8.19
Mail-in Rebate - View Now
Part Number: 3784
Notes:

Order in Store

Ship To Home
In Stock
ADD TO CART
Add to ListCompare Item
2003 GMC Truck Sierra 1500 2WD 5.3L MFI OHV 8cyl Autolite Platinum Spark Plug, Part Number: AP5245 Fits Your Vehicle
Autolite Platinum Spark Plug
Price: $3.09
Part Number: AP5245
Notes:
(See Reviews)

In Stock

Ship To Home
In Stock
ADD TO CART
Add to ListCompare Item
2003 GMC Truck Sierra 1500 2WD 5.3L MFI OHV 8cyl Bosch Platinum Spark Plug, Part Number: 6704 Fits Your Vehicle
Bosch Platinum Spark Plug
Price: $3.29
Part Number: 6704
Notes: Gap is pre-set. Do not gap.

In Stock

Ship To Home
In Stock
ADD TO CART
Add to ListCompare Item
2003 GMC Truck Sierra 1500 2WD 5.3L MFI OHV 8cyl ACDelco RpdFire Plat Spark Plug, Part Number: 6 Fits Your Vehicle
ACDelco RpdFire Plat Spark Plug
Price: $5.19
Mail-in Rebate - View Now
Part Number: 6
Notes:

In Stock

Ship To Home
In Stock
ADD TO CART
Add to ListCompare Item
2003 GMC Truck Sierra 1500 2WD 5.3L MFI OHV 8cyl NGK GP Platinum Spark Plug, Part Number: 3186 Fits Your Vehicle
NGK GP Platinum Spark Plug
Price: $3.49
Part Number: 3186
Notes:
(See Reviews)

In Stock

Ship To Home
In Stock
ADD TO CART
Add to ListCompare Item
2003 GMC Truck Sierra 1500 2WD 5.3L MFI OHV 8cyl Denso Platinum TT Spark Plug, Part Number: 4511 Fits Your Vehicle
Denso Platinum TT Spark Plug
Price: $3.69
Part Number: 4511
Notes:

Order in Store

Ship To Home
In Stock
ADD TO CART
Add to ListCompare Item
2003 GMC Truck Sierra 1500 2WD 5.3L MFI OHV 8cyl Autolite Copper Spark Plug, Part Number: 5245 Fits Your Vehicle
Autolite Copper Spark Plug
Price: $2.09
Part Number: 5245
Notes:

In Stock

Ship To Home
In Stock
ADD TO CART
Add to ListCompare Item
2003 GMC Truck Sierra 1500 2WD 5.3L MFI OHV 8cyl ACDelco Copper Spark Plug, Part Number: R44LTSM Fits Your Vehicle
ACDelco Copper Spark Plug
Price: $2.49
Mail-in Rebate - View Now
Part Number: R44LTSM
Notes:

In Stock

Ship To Home
In Stock
ADD TO CART
Add to ListCompare Item
2003 GMC Truck Sierra 1500 2WD 5.3L MFI OHV 8cyl NGK V Power Copper Spark Plug, Part Number: 2238 Fits Your Vehicle
NGK V Power Copper Spark Plug
Price: $2.49
Part Number: 2238
Notes:

In Stock

Ship To Home
In Stock
ADD TO CART
Add to ListCompare Item
2003 GMC Truck Sierra 1500 2WD 5.3L MFI OHV 8cyl Champion Copper Spark Plug, Part Number: 401 Fits Your Vehicle
Champion Copper Spark Plug
Price: $2.99
Part Number: 401
Notes:
(See Reviews)

In Stock

Ship To Home
In Stock
ADD TO CART
Add to ListCompare Item
2003 GMC Truck Sierra 1500 2WD 5.3L MFI OHV 8cyl E3 Spark Plug, Part Number: E3.54 Fits Your Vehicle
E3 Spark Plug
Price: $6.09
Part Number: E3.54
Notes:

Order in Store

Add to ListCompare Item
2003 GMC Truck Sierra 1500 2WD 5.3L MFI OHV 8cyl Pulstar Spark Plug, Part Number: AD1H10