1976 Mercury Marquis Spark Plugs
Save up to 40% on original replacement 1976 Mercury Marquis Spark Plugs. Navigate our online catalogue to find Spark Plugs and other parts designed specifically to fit a 1976 Mercury Marquis.
Spark Plug
$7.64
$7.34
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: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Engine Base: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Vehicle Fitment Notes:
Gap 0.040 Platinum TT - Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap
Gap 0.040 Platinum TT - Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap
Spark Plug
$7.64
$7.34
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: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8);
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8);
Vehicle Fitment Notes:
Gap 0.040 Platinum TT - Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap
Gap 0.040 Platinum TT - Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap
Spark Plug
$18.03
$14.61
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: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Engine Base: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Vehicle Fitment Notes:
Gap 0.040 Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology
Gap 0.040 Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology
Spark Plug
$18.03
$14.61
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: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8);
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8);
Vehicle Fitment Notes:
Gap 0.040 Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology
Gap 0.040 Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology
Spark Plug
$4.51
$4.28
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: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Engine Base: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Vehicle Fitment Notes:
Gap 0.044 O.E. Recommended Resistor Plug with Patented U-Groove Design
Gap 0.044 O.E. Recommended Resistor Plug with Patented U-Groove Design
Spark Plug
$4.51
$4.28
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: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8);
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8);
Vehicle Fitment Notes:
Gap 0.044 O.E. Recommended Resistor Plug with Patented U-Groove Design
Gap 0.044 O.E. Recommended Resistor Plug with Patented U-Groove Design
Spark Plug
$15.80
$13.20
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: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Engine Base: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Vehicle Fitment Notes:
Gap 0.044 Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Gap 0.044 Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Spark Plug
$15.80
$13.20
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: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8);
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8);
Vehicle Fitment Notes:
Gap 0.044 Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Gap 0.044 Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Spark Plug
$8.80
$6.75
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: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Engine Base: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Vehicle Fitment Notes:
Gap 0.044in Part # UR4GP
Gap 0.044in Part # UR4GP
Spark Plug
$8.80
$6.75
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: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Engine Base: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Vehicle Fitment Notes:
Gap 0.044in Stock# 2869
Gap 0.044in Stock# 2869
Spark Plug
$8.80
$6.75
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: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8);
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8);
Vehicle Fitment Notes:
Gap 0.044in Part # UR4GP
Gap 0.044in Part # UR4GP
Spark Plug
$8.80
$6.75
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: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8);
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8);
Vehicle Fitment Notes:
Gap 0.044in Stock# 2869
Gap 0.044in Stock# 2869
Spark Plug
$4.64
$4.37
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: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Engine Base: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Vehicle Fitment Notes:
Gap 0.044in Part # UR4 OE Equivalent Design
Gap 0.044in Part # UR4 OE Equivalent Design
Spark Plug
$4.64
$4.37
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: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Engine Base: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Vehicle Fitment Notes:
Gap 0.044in Stock# 6630 OE Equivalent Design
Gap 0.044in Stock# 6630 OE Equivalent Design
Spark Plug
$4.64
$4.37
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: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8);
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8);
Vehicle Fitment Notes:
Gap 0.044in Part # UR4 OE Equivalent Design
Gap 0.044in Part # UR4 OE Equivalent Design
Spark Plug
$4.64
$4.37
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: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8);
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8);
Vehicle Fitment Notes:
Gap 0.044in Stock# 6630 OE Equivalent Design
Gap 0.044in Stock# 6630 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: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Engine Base: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Vehicle Fitment Notes:
Gap 0.044in Part # UR4IX
Gap 0.044in Part # UR4IX
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: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Engine Base: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Vehicle Fitment Notes:
Gap 0.044in Stock# 7401
Gap 0.044in Stock# 7401
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: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8);
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8);
Vehicle Fitment Notes:
Gap 0.044in Part # UR4IX
Gap 0.044in Part # UR4IX
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: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8);
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8);
Vehicle Fitment Notes:
Gap 0.044in Stock# 7401
Gap 0.044in Stock# 7401
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: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Engine Base: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Vehicle Fitment Notes:
OE Style .044 Gap
OE Style .044 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: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8);
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8);
Vehicle Fitment Notes:
OE Style .044 Gap
OE Style .044 Gap
Spark Plug
$5.63
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Vehicle fitment:
Engine Base: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Engine Base: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Vehicle Fitment Notes:
.044 Gap
.044 Gap
Spark Plug
$5.63
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Vehicle fitment:
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8);
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8);
Vehicle Fitment Notes:
.044 Gap
.044 Gap
Spark Plug
$10.20
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: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Engine Base: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Vehicle Fitment Notes:
Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design. .044 Gap
Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design. .044 Gap
Spark Plug
$10.20
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: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8);
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8);
Vehicle Fitment Notes:
Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design. .044 Gap
Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design. .044 Gap
Spark Plug
$8.47
Out of Stock
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Vehicle fitment:
Engine Base: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Engine Base: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Vehicle Fitment Notes:
.044 Gap
.044 Gap
Spark Plug
$8.47
Out of Stock
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Vehicle fitment:
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8);
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8);
Vehicle Fitment Notes:
.044 Gap
.044 Gap
Spark Plug
$3.10
Out of Stock
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Vehicle fitment:
Engine Base: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Engine Base: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Vehicle Fitment Notes:
OE Style .044 Gap
OE Style .044 Gap
Spark Plug
$3.10
Out of Stock
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Vehicle fitment:
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8);
Engine Base: 7.5L 460ci V8 (4.36x3.85; 110.7x97.8);
Vehicle Fitment Notes:
OE Style .044 Gap
OE Style .044 Gap