1968 Mercury Marquis Spark Plugs
Save up to 40% on original replacement 1968 Mercury Marquis Spark Plugs. Navigate our online catalogue to find Spark Plugs and other parts designed specifically to fit a 1968 Mercury Marquis.
Spark Plug
$4.51
$4.95
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
Engine Base: 6.4L 6391cc 390ci V8 (4.05x3.78; 101.6x96.0);
Engine Base: 6.4L 6391cc 390ci V8 (4.05x3.78; 101.6x96.0);
Vehicle Fitment Notes:
Gap 0.035 O.E. Recommended Resistor Plug with Patented U-Groove Design
Gap 0.035 O.E. Recommended Resistor Plug with Patented U-Groove Design
Spark Plug
$4.51
$4.95
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
Engine Base: 7.0L 7014cc 428ci V8 (4.13x3.98; 104.9x101.2); Engine VIN: Q;
Engine Base: 7.0L 7014cc 428ci V8 (4.13x3.98; 104.9x101.2); Engine VIN: Q;
Vehicle Fitment Notes:
Gap 0.035 O.E. Recommended Resistor Plug with Patented U-Groove Design
Gap 0.035 O.E. Recommended Resistor Plug with Patented U-Groove Design
Spark Plug
$4.64
$4.26
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Available for 8:30am Monday Sep. 22nd
Pick-Up: Available for 8:30am Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
Engine Base: 6.4L 390ci V8;
Engine Base: 6.4L 390ci V8;
Vehicle Fitment Notes:
Gap 0.034in Part # WR5 OE Equivalent Design
Gap 0.034in Part # WR5 OE Equivalent Design
Spark Plug
$4.64
$4.26
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Available for 8:30am Monday Sep. 22nd
Pick-Up: Available for 8:30am Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
Engine Base: 6.4L 390ci V8;
Engine Base: 6.4L 390ci V8;
Vehicle Fitment Notes:
Gap 0.034in Stock# 2438 OE Equivalent Design
Gap 0.034in Stock# 2438 OE Equivalent Design
Spark Plug
$4.64
$4.26
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Available for 8:30am Monday Sep. 22nd
Pick-Up: Available for 8:30am Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
Engine Base: 6.4L 6391cc 390ci V8 (4.05x3.78; 101.6x96.0);
Engine Base: 6.4L 6391cc 390ci V8 (4.05x3.78; 101.6x96.0);
Vehicle Fitment Notes:
Gap 0.034in Part # WR5 OE Equivalent Design
Gap 0.034in Part # WR5 OE Equivalent Design
Spark Plug
$4.64
$4.26
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Available for 8:30am Monday Sep. 22nd
Pick-Up: Available for 8:30am Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
Engine Base: 6.4L 6391cc 390ci V8 (4.05x3.78; 101.6x96.0);
Engine Base: 6.4L 6391cc 390ci V8 (4.05x3.78; 101.6x96.0);
Vehicle Fitment Notes:
Gap 0.034in Stock# 2438 OE Equivalent Design
Gap 0.034in Stock# 2438 OE Equivalent Design
Spark Plug
$4.64
$4.26
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Available for 8:30am Monday Sep. 22nd
Pick-Up: Available for 8:30am Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
Engine Base: 7.0L 428ci V8;
Engine Base: 7.0L 428ci V8;
Vehicle Fitment Notes:
Gap 0.034in Part # WR5 OE Equivalent Design
Gap 0.034in Part # WR5 OE Equivalent Design
Spark Plug
$4.64
$4.26
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Available for 8:30am Monday Sep. 22nd
Pick-Up: Available for 8:30am Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
Engine Base: 7.0L 428ci V8;
Engine Base: 7.0L 428ci V8;
Vehicle Fitment Notes:
Gap 0.034in Stock# 2438 OE Equivalent Design
Gap 0.034in Stock# 2438 OE Equivalent Design
Spark Plug
$4.64
$4.26
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Available for 8:30am Monday Sep. 22nd
Pick-Up: Available for 8:30am Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
Engine Base: 7.0L 7014cc 428ci V8 (4.13x3.98; 104.9x101.2);
Engine Base: 7.0L 7014cc 428ci V8 (4.13x3.98; 104.9x101.2);
Vehicle Fitment Notes:
Gap 0.034in Part # WR5 OE Equivalent Design
Gap 0.034in Part # WR5 OE Equivalent Design
Spark Plug
$4.64
$4.26
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Available for 8:30am Monday Sep. 22nd
Pick-Up: Available for 8:30am Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
Engine Base: 7.0L 7014cc 428ci V8 (4.13x3.98; 104.9x101.2);
Engine Base: 7.0L 7014cc 428ci V8 (4.13x3.98; 104.9x101.2);
Vehicle Fitment Notes:
Gap 0.034in Stock# 2438 OE Equivalent Design
Gap 0.034in Stock# 2438 OE Equivalent Design
Spark Plug
$15.98
$13.81
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
Engine Base: 6.4L 390ci V8;
Engine Base: 6.4L 390ci V8;
Vehicle Fitment Notes:
Gap 0.034in Part # WR5IX
Gap 0.034in Part # WR5IX
Spark Plug
$15.98
$13.81
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
Engine Base: 6.4L 390ci V8;
Engine Base: 6.4L 390ci V8;
Vehicle Fitment Notes:
Gap 0.034in Stock# 7510
Gap 0.034in Stock# 7510
Spark Plug
$15.98
$13.81
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
Engine Base: 6.4L 6391cc 390ci V8 (4.05x3.78; 101.6x96.0);
Engine Base: 6.4L 6391cc 390ci V8 (4.05x3.78; 101.6x96.0);
Vehicle Fitment Notes:
Gap 0.034in Part # WR5IX
Gap 0.034in Part # WR5IX
Spark Plug
$15.98
$13.81
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
Engine Base: 6.4L 6391cc 390ci V8 (4.05x3.78; 101.6x96.0);
Engine Base: 6.4L 6391cc 390ci V8 (4.05x3.78; 101.6x96.0);
Vehicle Fitment Notes:
Gap 0.034in Stock# 7510
Gap 0.034in Stock# 7510
Spark Plug
$15.98
$13.81
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
Engine Base: 7.0L 428ci V8;
Engine Base: 7.0L 428ci V8;
Vehicle Fitment Notes:
Gap 0.034in Part # WR5IX
Gap 0.034in Part # WR5IX
Spark Plug
$15.98
$13.81
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
Engine Base: 7.0L 428ci V8;
Engine Base: 7.0L 428ci V8;
Vehicle Fitment Notes:
Gap 0.034in Stock# 7510
Gap 0.034in Stock# 7510
Spark Plug
$15.98
$13.81
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
Engine Base: 7.0L 7014cc 428ci V8 (4.13x3.98; 104.9x101.2);
Engine Base: 7.0L 7014cc 428ci V8 (4.13x3.98; 104.9x101.2);
Vehicle Fitment Notes:
Gap 0.034in Part # WR5IX
Gap 0.034in Part # WR5IX
Spark Plug
$15.98
$13.81
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
Engine Base: 7.0L 7014cc 428ci V8 (4.13x3.98; 104.9x101.2);
Engine Base: 7.0L 7014cc 428ci V8 (4.13x3.98; 104.9x101.2);
Vehicle Fitment Notes:
Gap 0.034in Stock# 7510
Gap 0.034in Stock# 7510
Spark Plug
$3.11
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Vehicle fitment:
Engine Base: 6.4L 390ci V8;
Engine Base: 6.4L 390ci V8;
Vehicle Fitment Notes:
OE Style .035 Gap
OE Style .035 Gap
Spark Plug
$3.11
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Vehicle fitment:
Engine Base: 6.4L 6391cc 390ci V8 (4.05x3.78; 101.6x96.0);
Engine Base: 6.4L 6391cc 390ci V8 (4.05x3.78; 101.6x96.0);
Vehicle Fitment Notes:
OE Style .035 Gap
OE Style .035 Gap
Spark Plug
$3.11
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Vehicle fitment:
Engine Base: 7.0L 428ci V8;
Engine Base: 7.0L 428ci V8;
Vehicle Fitment Notes:
OE Style .035 Gap
OE Style .035 Gap
Spark Plug
$3.11
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Vehicle fitment:
Engine Base: 7.0L 7014cc 428ci V8 (4.13x3.98; 104.9x101.2);
Engine Base: 7.0L 7014cc 428ci V8 (4.13x3.98; 104.9x101.2);
Vehicle Fitment Notes:
OE Style .035 Gap
OE Style .035 Gap
Spark Plug
$5.07
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Vehicle fitment:
Engine Base: 6.4L 390ci V8;
Engine Base: 6.4L 390ci V8;
Vehicle Fitment Notes:
.035 Gap
.035 Gap
Spark Plug
$5.07
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Vehicle fitment:
Engine Base: 6.4L 6391cc 390ci V8 (4.05x3.78; 101.6x96.0);
Engine Base: 6.4L 6391cc 390ci V8 (4.05x3.78; 101.6x96.0);
Vehicle Fitment Notes:
.035 Gap
.035 Gap
Spark Plug
$5.07
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Vehicle fitment:
Engine Base: 7.0L 428ci V8;
Engine Base: 7.0L 428ci V8;
Vehicle Fitment Notes:
.035 Gap
.035 Gap
Spark Plug
$5.07
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Vehicle fitment:
Engine Base: 7.0L 7014cc 428ci V8 (4.13x3.98; 104.9x101.2);
Engine Base: 7.0L 7014cc 428ci V8 (4.13x3.98; 104.9x101.2);
Vehicle Fitment Notes:
.035 Gap
.035 Gap
Spark Plug
$8.47
In Stock
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Vehicle fitment:
Engine Base: 6.4L 390ci V8;
Engine Base: 6.4L 390ci V8;
Vehicle Fitment Notes:
.035 Gap
.035 Gap
Spark Plug
$8.47
In Stock
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Vehicle fitment:
Engine Base: 6.4L 6391cc 390ci V8 (4.05x3.78; 101.6x96.0);
Engine Base: 6.4L 6391cc 390ci V8 (4.05x3.78; 101.6x96.0);
Vehicle Fitment Notes:
.035 Gap
.035 Gap
Spark Plug
$8.47
In Stock
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Vehicle fitment:
Engine Base: 7.0L 428ci V8;
Engine Base: 7.0L 428ci V8;
Vehicle Fitment Notes:
.035 Gap
.035 Gap
Spark Plug
$8.47
In Stock
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Vehicle fitment:
Engine Base: 7.0L 7014cc 428ci V8 (4.13x3.98; 104.9x101.2);
Engine Base: 7.0L 7014cc 428ci V8 (4.13x3.98; 104.9x101.2);
Vehicle Fitment Notes:
.035 Gap
.035 Gap
Spark Plug
$3.10
Out of Stock
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Vehicle fitment:
Engine Base: 6.4L 390ci V8;
Engine Base: 6.4L 390ci V8;
Vehicle Fitment Notes:
.035 Gap
.035 Gap
Spark Plug
$3.10
Out of Stock
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Vehicle fitment:
Engine Base: 6.4L 6391cc 390ci V8 (4.05x3.78; 101.6x96.0);
Engine Base: 6.4L 6391cc 390ci V8 (4.05x3.78; 101.6x96.0);
Vehicle Fitment Notes:
.035 Gap
.035 Gap
Spark Plug
$3.10
Out of Stock
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Vehicle fitment:
Engine Base: 7.0L 428ci V8;
Engine Base: 7.0L 428ci V8;
Vehicle Fitment Notes:
.035 Gap
.035 Gap
Spark Plug
$3.10
Out of Stock
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Vehicle fitment:
Engine Base: 7.0L 7014cc 428ci V8 (4.13x3.98; 104.9x101.2);
Engine Base: 7.0L 7014cc 428ci V8 (4.13x3.98; 104.9x101.2);
Vehicle Fitment Notes:
.035 Gap
.035 Gap