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1978 Mercury Cougar Spark Plug Wire Sets

Save up to 40% on original replacement 1978 Mercury Cougar Spark Plug Wire Sets. Navigate our online catalogue to find Spark Plug Wire Sets and other parts designed specifically to fit a 1978 Mercury Cougar.

 
 
 
1978 Mercury Cougar Spark Plug Wire Set NGK 52347 image 1 of 2
1978 Mercury Cougar Spark Plug Wire Set NGK 52347 image 2 of 2
1978 Mercury Cougar Spark Plug Wire Set NGK 52347 image 1 of 2The Wrench Monkey Recommend Product
The Wrench Monkey Recommend Product
1978 Mercury Cougar Spark Plug Wire Set NGK 52347 image 1 of 2
1978 Mercury Cougar Spark Plug Wire Set NGK 52347 image 2 of 2
Spark Plug Wire Set
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$83.08
$56.04
In Stock
Ships: Today, Sep. 23rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9); Engine Version: Modified;
Vehicle Fitment Notes:
Part # RC-FDZ008
1978 Mercury Cougar Spark Plug Wire Set NGK 52347 image 1 of 2
1978 Mercury Cougar Spark Plug Wire Set NGK 52347 image 2 of 2
1978 Mercury Cougar Spark Plug Wire Set NGK 52347 image 1 of 2The Wrench Monkey Recommend Product
The Wrench Monkey Recommend Product
1978 Mercury Cougar Spark Plug Wire Set NGK 52347 image 1 of 2
1978 Mercury Cougar Spark Plug Wire Set NGK 52347 image 2 of 2
Spark Plug Wire Set
rating star iconrating star iconrating star iconrating star iconrating star icon
$83.08
$56.04
In Stock
Ships: Today, Sep. 23rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Vehicle Fitment Notes:
Part # RC-FDZ008
1978 Mercury Cougar Spark Plug Wire Set NGK 52370 image 1 of 2
1978 Mercury Cougar Spark Plug Wire Set NGK 52370 image 2 of 2
1978 Mercury Cougar Spark Plug Wire Set NGK 52370 image 1 of 2The Wrench Monkey Recommend Product
The Wrench Monkey Recommend Product
1978 Mercury Cougar Spark Plug Wire Set NGK 52370 image 1 of 2
1978 Mercury Cougar Spark Plug Wire Set NGK 52370 image 2 of 2
Spark Plug Wire Set
rating star iconrating star iconrating star iconrating star iconrating star icon
$83.00
$63.07
In Stock
Ships: Today, Sep. 23rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.0L 302ci V8 (4.00x3.00; 101.6x76.2);
Vehicle Fitment Notes:
Part # RC-FDZ007
1978 Mercury Cougar Spark Plug Wire Set NGK 52370 image 1 of 2
1978 Mercury Cougar Spark Plug Wire Set NGK 52370 image 2 of 2
1978 Mercury Cougar Spark Plug Wire Set NGK 52370 image 1 of 2The Wrench Monkey Recommend Product
The Wrench Monkey Recommend Product
1978 Mercury Cougar Spark Plug Wire Set NGK 52370 image 1 of 2
1978 Mercury Cougar Spark Plug Wire Set NGK 52370 image 2 of 2
Spark Plug Wire Set
rating star iconrating star iconrating star iconrating star iconrating star icon
$83.00
$63.07
In Stock
Ships: Today, Sep. 23rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9); Engine Version: Windsor;
Vehicle Fitment Notes:
Part # RC-FDZ007
no image available The Wrench Monkey Recommend Product
no image available The Wrench Monkey Recommend Product
Spark Plug Wire Set
rating star iconrating star iconrating star iconrating star iconrating star icon
$48.80
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9); Engine Version: Modified;
no image available The Wrench Monkey Recommend Product
no image available The Wrench Monkey Recommend Product
Spark Plug Wire Set
rating star iconrating star iconrating star iconrating star iconrating star icon
$48.80
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
no image available The Wrench Monkey Recommend Product
no image available The Wrench Monkey Recommend Product
Spark Plug Wire Set
rating star iconrating star iconrating star iconrating star iconrating star icon
$51.42
Limited Stock
Ships: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.0L 302ci V8 (4.00x3.00; 101.6x76.2);
no image available The Wrench Monkey Recommend Product
no image available The Wrench Monkey Recommend Product
Spark Plug Wire Set
rating star iconrating star iconrating star iconrating star iconrating star icon
$51.42
Limited Stock
Ships: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9); Engine Version: Windsor;
Vehicle Fitment Notes:
Alternate Number
no image available The Wrench Monkey Recommend Product
no image available The Wrench Monkey Recommend Product
Spark Plug Wire Set
rating star iconrating star iconrating star iconrating star iconrating star icon
$65.80
Limited Stock
Ships: Next Business Day
Pick-Up: Next Business Day
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9); Engine Version: Modified;
no image available The Wrench Monkey Recommend Product
no image available The Wrench Monkey Recommend Product
Spark Plug Wire Set
rating star iconrating star iconrating star iconrating star iconrating star icon
$65.80
Limited Stock
Ships: Next Business Day
Pick-Up: Next Business Day
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
no image available The Wrench Monkey Recommend Product
no image available The Wrench Monkey Recommend Product
Spark Plug Wire Set
rating star iconrating star iconrating star iconrating star iconrating star icon
$93.43
In Stock
Ships: Today, Sep. 23rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.0L 302ci V8 (4.00x3.00; 101.6x76.2);
no image available The Wrench Monkey Recommend Product
no image available The Wrench Monkey Recommend Product
Spark Plug Wire Set
rating star iconrating star iconrating star iconrating star iconrating star icon
$93.43
In Stock
Ships: Today, Sep. 23rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9); Engine Version: Windsor;
1978 Mercury Cougar Spark Plug Wire Set Bosch 09620 image 1 of 1The Wrench Monkey Recommend Product
The Wrench Monkey Recommend Product
1978 Mercury Cougar Spark Plug Wire Set Bosch 09620 image 1 of 1
Spark Plug Wire Set
$102.58
$60.29
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9);
Vehicle Fitment Notes:
With Modified Engine
1978 Mercury Cougar Spark Plug Wire Set Bosch 09620 image 1 of 1The Wrench Monkey Recommend Product
The Wrench Monkey Recommend Product
1978 Mercury Cougar Spark Plug Wire Set Bosch 09620 image 1 of 1
Spark Plug Wire Set
$102.58
$60.29
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
1978 Mercury Cougar Spark Plug Wire Set Bosch 09771 image 1 of 1The Wrench Monkey Recommend Product
The Wrench Monkey Recommend Product
1978 Mercury Cougar Spark Plug Wire Set Bosch 09771 image 1 of 1
Spark Plug Wire Set
$102.92
$60.48
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.0L 302ci V8 (4.00x3.00; 101.6x76.2);
1978 Mercury Cougar Spark Plug Wire Set Bosch 09771 image 1 of 1The Wrench Monkey Recommend Product
The Wrench Monkey Recommend Product
1978 Mercury Cougar Spark Plug Wire Set Bosch 09771 image 1 of 1
Spark Plug Wire Set
$102.92
$60.48
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9);
Vehicle Fitment Notes:
Windsor Engine
1978 Mercury Cougar Spark Plug Wire Set BWD 69404 image 1 of 1The Wrench Monkey Recommend Product
The Wrench Monkey Recommend Product
1978 Mercury Cougar Spark Plug Wire Set BWD 69404 image 1 of 1
Spark Plug Wire Set
rating star iconrating star iconrating star iconrating star iconrating star icon
$171.18
Out of Stock
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9);
Vehicle Fitment Notes:
w/o EEC Heavy Duty
1978 Mercury Cougar Spark Plug Wire Set BWD 69404 image 1 of 1The Wrench Monkey Recommend Product
The Wrench Monkey Recommend Product
1978 Mercury Cougar Spark Plug Wire Set BWD 69404 image 1 of 1
Spark Plug Wire Set
rating star iconrating star iconrating star iconrating star iconrating star icon
$171.18
Out of Stock
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Vehicle Fitment Notes:
Heavy Duty
1978 Mercury Cougar Spark Plug Wire Set BWD CH857 image 1 of 2
1978 Mercury Cougar Spark Plug Wire Set BWD CH857 image 2 of 2
1978 Mercury Cougar Spark Plug Wire Set BWD CH857 image 1 of 2The Wrench Monkey Recommend Product
The Wrench Monkey Recommend Product
1978 Mercury Cougar Spark Plug Wire Set BWD CH857 image 1 of 2
1978 Mercury Cougar Spark Plug Wire Set BWD CH857 image 2 of 2
Spark Plug Wire Set
rating star iconrating star iconrating star iconrating star iconrating star icon
$43.99
Out of Stock
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9); Engine Version: Windsor;
Vehicle Fitment Notes:
Exhaust stock and reorder BWD Select Premium Quality
1978 Mercury Cougar Spark Plug Wire Set BWD CH858 image 1 of 2
1978 Mercury Cougar Spark Plug Wire Set BWD CH858 image 2 of 2
1978 Mercury Cougar Spark Plug Wire Set BWD CH858 image 1 of 2The Wrench Monkey Recommend Product
The Wrench Monkey Recommend Product
1978 Mercury Cougar Spark Plug Wire Set BWD CH858 image 1 of 2
1978 Mercury Cougar Spark Plug Wire Set BWD CH858 image 2 of 2
Spark Plug Wire Set
rating star iconrating star iconrating star iconrating star iconrating star icon
$46.66
Out of Stock
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9); Engine Version: Modified;
Vehicle Fitment Notes:
BWD Select Premium Quality
1978 Mercury Cougar Spark Plug Wire Set BWD CH858 image 1 of 2
1978 Mercury Cougar Spark Plug Wire Set BWD CH858 image 2 of 2
1978 Mercury Cougar Spark Plug Wire Set BWD CH858 image 1 of 2The Wrench Monkey Recommend Product
The Wrench Monkey Recommend Product
1978 Mercury Cougar Spark Plug Wire Set BWD CH858 image 1 of 2
1978 Mercury Cougar Spark Plug Wire Set BWD CH858 image 2 of 2
Spark Plug Wire Set
rating star iconrating star iconrating star iconrating star iconrating star icon
$46.66
Out of Stock
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Vehicle Fitment Notes:
BWD Select Premium Quality
1978 Mercury Cougar Spark Plug Wire Set BWD CH859 image 1 of 2
1978 Mercury Cougar Spark Plug Wire Set BWD CH859 image 2 of 2
1978 Mercury Cougar Spark Plug Wire Set BWD CH859 image 1 of 2The Wrench Monkey Recommend Product
The Wrench Monkey Recommend Product
1978 Mercury Cougar Spark Plug Wire Set BWD CH859 image 1 of 2
1978 Mercury Cougar Spark Plug Wire Set BWD CH859 image 2 of 2
Spark Plug Wire Set
rating star iconrating star iconrating star iconrating star iconrating star icon
$46.93
Out of Stock
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.0L 302ci V8 (4.00x3.00; 101.6x76.2);
Vehicle Fitment Notes:
BWD Select Premium Quality
1978 Mercury Cougar Spark Plug Wire Set BWD CH859 image 1 of 2
1978 Mercury Cougar Spark Plug Wire Set BWD CH859 image 2 of 2
1978 Mercury Cougar Spark Plug Wire Set BWD CH859 image 1 of 2The Wrench Monkey Recommend Product
The Wrench Monkey Recommend Product
1978 Mercury Cougar Spark Plug Wire Set BWD CH859 image 1 of 2
1978 Mercury Cougar Spark Plug Wire Set BWD CH859 image 2 of 2
Spark Plug Wire Set
rating star iconrating star iconrating star iconrating star iconrating star icon
$46.93
Out of Stock
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9); Engine Version: Windsor;
Vehicle Fitment Notes:
Alternate Number BWD Select Premium Quality
no image available The Wrench Monkey Recommend Product
no image available The Wrench Monkey Recommend Product
Spark Plug Wire Set
rating star iconrating star iconrating star iconrating star iconrating star icon
$39.12
Out of Stock
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9); Engine Version: Windsor;
Vehicle Fitment Notes:
Exhaust stock and reorder
1978 Mercury Cougar Spark Plug Wire Set Denso 6718074 image 1 of 1
1978 Mercury Cougar Spark Plug Wire Set Denso 6718074 image 1 of 1
Spark Plug Wire Set
rating star iconrating star iconrating star iconrating star iconrating star icon
$83.17
$67.27
Out of Stock
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.0L 302ci V8 (4.00x3.00; 101.6x76.2);
Vehicle Fitment Notes:
Original Equipment Replacement Part / Complete Ignition Wire Set - 8mm
1978 Mercury Cougar Spark Plug Wire Set Denso 6718088 image 1 of 1
1978 Mercury Cougar Spark Plug Wire Set Denso 6718088 image 1 of 1
Spark Plug Wire Set
rating star iconrating star iconrating star iconrating star iconrating star icon
$79.68
$41.29
Out of Stock
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9); Engine Version: Windsor;
Vehicle Fitment Notes:
Windsor Engine Original Equipment Replacement Part / Complete Ignition Wire Set - 8mm
1978 Mercury Cougar Spark Plug Wire Set Denso 6718094 image 1 of 1
1978 Mercury Cougar Spark Plug Wire Set Denso 6718094 image 1 of 1
Spark Plug Wire Set
rating star iconrating star iconrating star iconrating star iconrating star icon
$82.44
$64.85
Out of Stock
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.8L 5753cc 351ci V8 (4.00x3.50; 101.6x88.9); Engine Version: Modified;
Vehicle Fitment Notes:
Modified Engine Original Equipment Replacement Part / Complete Ignition Wire Set - 8mm
1978 Mercury Cougar Spark Plug Wire Set Denso 6718094 image 1 of 1
1978 Mercury Cougar Spark Plug Wire Set Denso 6718094 image 1 of 1
Spark Plug Wire Set
rating star iconrating star iconrating star iconrating star iconrating star icon
$82.44
$64.85
Out of Stock
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.6L 400ci V8 (4.00x4.00; 101.6x101.6);
Vehicle Fitment Notes:
Original Equipment Replacement Part / Complete Ignition Wire Set - 8mm