1978 Mercury Cougar Engine Parts

5,987 products fit your

1978 Mercury Cougar

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5,987 products

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1978 Mercury Cougar

Department

Street

Application

Muscle Car

Products

Speedway Oval Red Washable Filter Element, 11.5 Inch x 4 Inch

Speedway Motors |

#91602126

Speedway Oval Red Washable Filter Element, 11.5 Inch x 4 Inch

(2)

Air Filter Style:

Oval

Color:

Red

$56.99

/each

Stainless T-Bolt Clamp, 1-13/16 Inch Minimum Clamping Diameter

Speedway Motors |

#910553322

Stainless T-Bolt Clamp, 1-13/16 Inch Minimum Clamping Diameter

(2)

Style:

T-Bolt

Material Type:

Stainless Steel

Color:

Natural

$6.19

/each

-42%

Fragola |

#61770131

Fragola 495103-BL AN to O-Ring Fitting, -8 AN Flare to -8 AN Port

(5)

Fitting End A:

-8 AN Male

Fitting End B:

-8 AN Male o-ring

Angle:

Straight

$13.99

/each

$24.21

Holley |

#425262

Holley 26-2 Heli-Coil Kit for Fuel Body Screws

(1)

Thread Pitch:

#12-24

GTIN Code:

090127043943

$149.95

/each

Lokar |

#4915009

Lokar ED-5009 Flexible Engine Dipstick, Ramjet/SBC GM Vortec

(3)

Dipstick Location:

Passenger Side

Sold in Quantity:

Each

$102.95

/each

Stewart Warner |

#665280EE

Stewart Warner 280EE-F Electric Oil Temperature Gauge Sender

(6)

Thread Pitch:

1/8" NPT Male

Sold in Quantity:

Each

$33.99

/each

-7%

Mr Gasket |

#5509868

Tri-Bar Air Cleaner Wing Nut

(6)

Thread Pitch:

1/4"-20

Sold in Quantity:

Each

$12.93

/each

$13.98

HDPE Sealing Washers for Bulkhead Fittings

Speedway Motors |

#6171097

HDPE Sealing Washers for Bulkhead Fittings

(4)

Gasket Material:

High Density Polyethylene

Sold in Quantity:

Pair

$3.49

/pair

Stromberg 2-5/8 Inch Air Cleaner 3-Tiered-Look Spacer Kit

Speedway Motors |

#9109009

Stromberg 2-5/8 Inch Air Cleaner 3-Tiered-Look Spacer Kit

(2)

Material Type:

Aluminum

Sold in Quantity:

Kit

$67.99

/kit

Edelbrock |

#3251205

Edelbrock 1205 Crankcase Breather Filter Connection Kit, Aluminum

(2)

Inlet Size:

0.750 in.

Material Type:

Cast Aluminum

Finish:

Natural

$18.95

/each

Quick Fuel 25-45QFT Power Valve Assembly, 4.5 Inch

Quick Fuel Technology |

#4242545QFT

Quick Fuel 25-45QFT Power Valve Assembly, 4.5 Inch

GTIN Code:

849804011580

Primary Stage Opening Vacuum:

4.5"

$14.89

/each

-23%

Royal Purple |

#29636520

Royal Purple HPS 5W20 High Performance Engine Oil, 6 Quart Case

(2)

Oil Weight:

5W20

Oil Type:

Synthetic

ZDDP Enhanced:

Yes

$77.94

/box

$101.94

Driven Racing Oil |

#910021071

Driven Racing Oil 02106 HR1 Conventional 15W50 Motor Oil, 1 Quart

(7)

Oil Weight:

15W50

Oil Type:

Conventional

ZDDP Enhanced:

Yes

$11.99

/quart

-7%

Classic Instruments |

#2751026

Classic Instruments SN57F Oil Pressure Sender Adapter Kit

(2)

Material Type:

Brass

Thread Pitch:

1/4" NPT male to 1/4" NPT female

Finish:

Natural

$27.88

/each

$30.16

Lucas Oil |

#48410847

Lucas Oil 10847 Synthetic 2-Cycle Snowmobile Oil, Gallon, Case/4

Oil Type:

Synthetic

ZDDP Enhanced:

Liquid Measurement:

4 gallons

$153.99

/box

Holley |

#427347

Holley 34-7 Adjustable Needle and Seat Hardware Kit

(2)

GTIN Code:

090127055892

Sold in Quantity:

Each

$12.16

/each

-16%

Maradyne |

#359113

Maradyne MFA113 9" Pigtail Connector for Maradyne Fans

(7)

Temp. Range:

-40 to 221 Degrees F

Material Type:

Plastic

$6.24

/each

$7.48

Spectre 42533 Carburetor Mounting Studs, 2-1/2 Inch Length, Set of 4

Spectre Performance |

#46542533

Spectre 42533 Carburetor Mounting Studs, 2-1/2 Inch Length, Set of 4

(4)

Overall Length:

2.50"

Thread Pitch:

5/16"-18

Material Type:

Steel

$9.99

/each

Holley |

#42512704

Holley 12-704 Big Port Adjustable Fuel Pressure Regulator, 4.5-9 PSI

(3)

Inlet Quantity:

Sold in Quantity:

Each

$181.95

/each

Vintage Air |

#72515126SCA

Vintage Air 15126-SCA Side Mount A/C Compressor Bracket, RH

(1)

Fits A/C Compressor Style:

Sanden SD

Water Pump Style:

Short

Mounting Side:

Passenger Side

$136.99

/each

-9%

Aeromotive |

#91013304

Aeromotive 13304 X1 Carburetor Bypass Regulator, 3-15 PSI

Sold in Quantity:

Each

Material Type:

Aluminum

$312.93

/each

$344.22

-7%

Earls |

#425AT915106ERL

Earls AT915106ERL Straight -6 AN Female Swivel Coupling, Aluminum

(5)

Fitting End A:

-6 AN Female

Fitting End B:

-6 AN Female

Angle:

Straight

$14.88

/each

$16.10

-7%

MSD 8194 Connector Kit for MSD GM HEI Distributor Caps 8365/8362

MSD |

#5478194

MSD 8194 Connector Kit for MSD GM HEI Distributor Caps 8365/8362

(1)

Sold in Quantity:

Each

GTIN Code:

085132081943

$22.44

/kit

$24.28

Spectre 5776 Carburetor Spacer, 1 Inch, Open 4-Barrel Square Bore,Each

Spectre Performance |

#4655776

Spectre 5776 Carburetor Spacer, 1 Inch, Open 4-Barrel Square Bore,Each

(2)

Carburetor Flange Type:

4-Barrel Square Bore

Carburetor Spacer Style:

Open

GTIN Code:

089601577609

$58.99

/each

-7%

Earls |

#425LS0039ERL

Earls LS0039ERL GM LS Valve Cover PCV Fitting -10 AN Male

(1)

Inlet Size:

3/4 in.

Material Type:

Aluminum

Angle:

Straight

$16.24

/each

$17.57

MSD Distributor Cap & Rotor for 8570, 8545 and 8546

MSD |

#9101587

MSD Distributor Cap & Rotor for 8570, 8545 and 8546

Color:

Red

Spark Plug Wires Included:

Sold in Quantity:

Kit

$88.43

/kit

Stainless Steel 90 Degree AN3 Bulkhead Fitting

Speedway Motors |

#6178520

Stainless Steel 90 Degree AN3 Bulkhead Fitting

(3)

AN Size:

-3 AN

Angle:

90 degree

Fitting End A:

-3 AN Male

$16.99

/each

K&N E-1650 Lifetime Performance Air Filter

K&N |

#465E1650

K&N E-1650 Lifetime Performance Air Filter

Air Filter Style:

Round

Filter Material:

Red cotton gauze

Overall Diameter:

14"

$83.99

/each

Male Steel 37 Degree AN Flare Weld Bung Fitting, -6 AN

Speedway Motors |

#6177106

Male Steel 37 Degree AN Flare Weld Bung Fitting, -6 AN

(4)

AN Size:

-6 AN

Thread Type:

RH Male

Fitting Attachment 1:

Male Threads

$6.99

/each

Speedway Full Flow Swivel Hose End Fitting, Straight, Nickel, -6 AN

Speedway Motors |

#62010020

Speedway Full Flow Swivel Hose End Fitting, Straight, Nickel, -6 AN

(3)

Fitting Hose Size:

-6 AN

Fitting End A:

-6 AN Female

Fitting End B:

-6 AN Hose

$15.99

/each

14 Inch Round Finned Air Cleaner Top Lid, Polished Aluminum

Speedway Motors |

#9116801

14 Inch Round Finned Air Cleaner Top Lid, Polished Aluminum

(6)

Shape:

Round

Housing Material:

Aluminum

Housing Finish:

Polished

$68.99

/each

-7%

Earls |

#425700109ERL

Earls 700109ERL Straight -8 AN Female to 1/2 Inch Barb Adapter

(2)

Fitting Hose Size:

-8 AN

Fitting End A:

-8 AN Female

Fitting End B:

-8 AN Hose

$10.60

/each

$11.46

Speedway Motors |

#91015049

3.5 Inch Hose Clamps-2pk

(4)

Style:

Worm Gear

Material Type:

Stainless Steel

Color:

Natural

$3.49

/bag

Driven Racing Oil |

#910193061

Driven Racing Oil 19306 GP-1 Synthetic Blend 10W30 Oil, 1 Quart

(1)

Oil Weight:

10W30

Oil Type:

Synthetic

ZDDP Enhanced:

Yes

$10.97

/each

Edelbrock |

#3251219

Edelbrock 1219 Air Cleaner Element Air Filter, Round, 2in. X 6in.

(2)

Air Filter Style:

Round

Filter Material:

Paper

$23.95

/each

Speedway Full Flow Swivel Hose End Fitting, 90 Degree, Red/Blue, -8 AN

Speedway Motors |

#6201017

Speedway Full Flow Swivel Hose End Fitting, 90 Degree, Red/Blue, -8 AN

(5)

Fitting Hose Size:

-8 AN

Fitting End A:

-8 AN Female

Fitting End B:

-8 AN Hose

$24.99

/each

Showing 1 - 648 of 5,987 results

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1978 Mercury Cougar Engine Parts

Subcategory

Part

Brand

Transmission Family

Availability

Engine Family

Discounts

Price

Customer Rating

Products

Speedway Oval Red Washable Filter Element, 11.5 Inch x 4 Inch

Stainless T-Bolt Clamp, 1-13/16 Inch Minimum Clamping Diameter

Fragola 495103-BL AN to O-Ring Fitting, -8 AN Flare to -8 AN Port

Holley 26-2 Heli-Coil Kit for Fuel Body Screws

Lokar ED-5009 Flexible Engine Dipstick, Ramjet/SBC GM Vortec

Stewart Warner 280EE-F Electric Oil Temperature Gauge Sender

Tri-Bar Air Cleaner Wing Nut

HDPE Sealing Washers for Bulkhead Fittings

Stromberg 2-5/8 Inch Air Cleaner 3-Tiered-Look Spacer Kit

Edelbrock 1205 Crankcase Breather Filter Connection Kit, Aluminum

Quick Fuel 25-45QFT Power Valve Assembly, 4.5 Inch

Royal Purple HPS 5W20 High Performance Engine Oil, 6 Quart Case

Driven Racing Oil 02106 HR1 Conventional 15W50 Motor Oil, 1 Quart

Classic Instruments SN57F Oil Pressure Sender Adapter Kit

Lucas Oil 10847 Synthetic 2-Cycle Snowmobile Oil, Gallon, Case/4

Holley 34-7 Adjustable Needle and Seat Hardware Kit

Maradyne MFA113 9" Pigtail Connector for Maradyne Fans

Spectre 42533 Carburetor Mounting Studs, 2-1/2 Inch Length, Set of 4

Holley 12-704 Big Port Adjustable Fuel Pressure Regulator, 4.5-9 PSI

Vintage Air 15126-SCA Side Mount A/C Compressor Bracket, RH

Aeromotive 13304 X1 Carburetor Bypass Regulator, 3-15 PSI

Earls AT915106ERL Straight -6 AN Female Swivel Coupling, Aluminum

MSD 8194 Connector Kit for MSD GM HEI Distributor Caps 8365/8362

Spectre 5776 Carburetor Spacer, 1 Inch, Open 4-Barrel Square Bore,Each

Earls LS0039ERL GM LS Valve Cover PCV Fitting -10 AN Male

MSD Distributor Cap & Rotor for 8570, 8545 and 8546

Stainless Steel 90 Degree AN3 Bulkhead Fitting

K&N E-1650 Lifetime Performance Air Filter

Male Steel 37 Degree AN Flare Weld Bung Fitting, -6 AN

Speedway Full Flow Swivel Hose End Fitting, Straight, Nickel, -6 AN

14 Inch Round Finned Air Cleaner Top Lid, Polished Aluminum

Earls 700109ERL Straight -8 AN Female to 1/2 Inch Barb Adapter

3.5 Inch Hose Clamps-2pk

Driven Racing Oil 19306 GP-1 Synthetic Blend 10W30 Oil, 1 Quart

Edelbrock 1219 Air Cleaner Element Air Filter, Round, 2in. X 6in.

Speedway Full Flow Swivel Hose End Fitting, 90 Degree, Red/Blue, -8 AN