1981 Mercury Cougar Engine Parts

3,074 products fit your

1981 Mercury Cougar

Add Engine

Show Direct Fit Parts

3,074 products

Sort By:

Clear All

Fitment

1981 Mercury Cougar

Department

Street

Application

Modern Muscle

Products

Holley |

#425557201

Holley 557-201 EFI High Flow Dual Solenoid Boost Control Kit

GTIN Code:

090127047088

$239.95

/each

-9%

Doug's Headers |

#447SKOP100

Doug's Headers SKOP100 Oil Pan Kit, LS Engine Swap, Aluminum

GTIN Code:

694342555108

Sold in Quantity:

Each

$439.20

/each

$483.12

FiTech |

#521383015

FiTech 38301-5 Ultra Ram External ECU, Engine Management System

GTIN Code:

812061032056

$308.00

/each

FiTech |

#52170031

FiTech 70031 LS 1000HP EFI, Short Cathedral Intake, Trans Control

Injection Style:

Multi-port

Injector Size:

80 lbs./hr.

Max Horsepower Rating:

1000

$2,689.00

/kit

-7%

Earls |

#425AT9892086ERL

Earls AT9892086ERL Female -8 AN to Male -6 AN Aluminum Flare Reducer

Angle:

Straight

Fitting End A:

-8 AN Female

Fitting End B:

-6 AN Male

$22.40

/each

$24.23

Lisle |

#21233500

Lisle Corporation 33500 Piston Ring Installer, 3/64 In - 1/4 In

(1)

Sold in Quantity:

Each

GTIN Code:

083045335009

$11.49

/each

45 Degree Flare Adaptor, AN6 to 1/4 Inch NPT

Speedway Motors |

#6176095

45 Degree Flare Adaptor, AN6 to 1/4 Inch NPT

(1)

Fitting End A:

-6 AN Male

Fitting End B:

1/4" NPT Male

Angle:

45 degree

$13.99

/each

Black 90 Degree -4 AN Flare to 1/4 Inch NPT Pipe Adapter Fitting

Speedway Motors |

#61760811

Black 90 Degree -4 AN Flare to 1/4 Inch NPT Pipe Adapter Fitting

Fitting End A:

-4 AN Male

Fitting End B:

1/4" NPT Male

Angle:

90 degree

$14.99

/each

Hex Head -6 AN ORB Plug O-Ring Seal Port Fitting, Blue

Speedway Motors |

#6176027

Hex Head -6 AN ORB Plug O-Ring Seal Port Fitting, Blue

(1)

Fitting End A:

-6 AN O-ring

Fitting Attachment 1:

Male AN

Material Type:

Aluminum

$9.89

/each

-7%

Earls |

#425968804ERL

Earls 968804ERL Oil Pressure Adapter 4AN to 1/8 Inch NPT

Fitting End A:

-4 AN Male

Fitting End B:

1/8" NPT Male

Angle:

Straight

$20.89

/each

$22.60

Speedway Motors |

#91740079

Speedway Motors Single Fan Male Pigtail Connector

(2)

Sold in Quantity:

Each

$7.19

/each

-7%

Earls |

#425AT920508ERL

Earls AT920508ERL 90 Degree, -8 AN Male to -8 AN Female Swivel

(1)

Fitting End A:

-8 AN Male

Fitting End B:

-8 AN Female

Angle:

90 degree

$33.24

/each

$35.96

Anodized Aluminum -6 AN Flare Plug Fitting, Black

Speedway Motors |

#61760191

Anodized Aluminum -6 AN Flare Plug Fitting, Black

Fitting End A:

-6 AN

Fitting Attachment 1:

Male AN

Material Type:

Aluminum

$5.99

/each

Speedway 90 Degree Bulkhead Fitting Kit, -8 AN, Blue

Speedway Motors |

#9108365

Speedway 90 Degree Bulkhead Fitting Kit, -8 AN, Blue

(2)

AN Size:

-8 AN

Angle:

90 degree

Fitting End A:

-8 AN Male

$30.99

/kit

14 Inch Washable Air Cleaner And Outerwear Kit

Speedway Motors |

#91606243

14 Inch Washable Air Cleaner And Outerwear Kit

Shape:

Round

Overall Diameter:

14"

Filter Material:

Reusable Cotton Gauze

$169.99

/kit

-5%

Dakota Digital |

#365BIM032

Dakota Digital BIM-03-2 Pressure Module

Sold in Quantity:

Each

GTIN Code:

670219089648

$90.25

/each

$95.00

Aluminum Tee Flare Adapter Fitting, Black, -12 AN

Speedway Motors |

#61761051

Aluminum Tee Flare Adapter Fitting, Black, -12 AN

Fitting End A:

-12 AN Male

Fitting End B:

-12 AN Male

Fitting End C:

-12 AN Male

$26.99

/each

-7%

Earls |

#425AT100200ERL

Earls AT100200ERL Fuel Pressure Gauge Adapter -8 Male to -8 Female

(1)

Fitting End A:

-8 AN Female

Fitting End B:

-8 AN Male

Fitting End C:

1/8" NPT Female

$33.24

/each

$35.96

-23%

Royal Purple |

#29606020

Royal Purple SAE 0W20 High Performance Engine Oil, 6 Quart Case

Oil Weight:

0W20

Oil Type:

Synthetic

ZDDP Enhanced:

Yes

$59.94

/box

$77.94

-7%

Earls |

#425AT981668ERL

Earls AT981668ERL -6 AN Male to 1/2 Inch NPT Straight Adapter

(1)

Fitting End A:

-6 AN Male

Fitting End B:

1/2" NPT Male

Angle:

Straight

$19.43

/each

$21.02

-7%

Earls |

#425AT925106ERL

Earls AT925106ERL -6 AN Tee, Female Swivel on Branch, Aluminum

Fitting End A:

-6 AN Female

Fitting End B:

-6 AN Male

Fitting End C:

-6 AN Male

$39.90

/each

$43.17

Speedway Full Flow Swivel Hose End Fitting, 45 Degree, Nickel, -10 AN

Speedway Motors |

#62010110

Speedway Full Flow Swivel Hose End Fitting, 45 Degree, Nickel, -10 AN

Fitting Hose Size:

-10 AN

Fitting End A:

-10 AN Female

Fitting End B:

-10 AN Hose

$28.99

/each

Fragola |

#6179522

Fragola 495022 Pressure Gauge Fitting, 1/8 Female to -3 AN Male 90

(1)

Fitting End A:

-3 AN Male

Fitting End B:

1/8" NPT Female

Angle:

90 degree

$10.99

/each

Straight Aluminum Bulkhead Flare Fitting, Black, -8 AN

Speedway Motors |

#61761191

Straight Aluminum Bulkhead Flare Fitting, Black, -8 AN

(1)

AN Size:

-8 AN

Angle:

Straight

Fitting End A:

-8 AN Male

$10.99

/each

Edelbrock |

#3251426

Edelbrock 1426 Performer Series Carburetor Metering Jet, 0.095 Inch

Material Type:

Brass

Sold in Quantity:

Pair

$14.95

/pair

Edelbrock |

#3254201

Edelbrock 4201 Elite Side Mount Breather

Attachment Style:

Bolt-on

Shape:

Square

Material Type:

Aluminum

$45.95

/each

FiTech |

#52179111

FiTech 79111 LS Kit W/ 70011, Inline Fuel Pump And LED Coil Pack

Injection Style:

Multi-port

Injector Size:

36 lbs./hr.

Max Horsepower Rating:

500

$2,433.99

/kit

AutoMeter |

#1824421BP

AutoMeter 2 5/8 Oil Pressure Gauge, 0-100 PSI Mechanical

Gauge Diameter:

2-5/8"

Shape:

Round

Gauge Series:

Analog

$89.99

/each

Straight Aluminum Bulkhead Flare Fitting and Jam Nut, Blue, -8AN

Speedway Motors |

#9108964

Straight Aluminum Bulkhead Flare Fitting and Jam Nut, Blue, -8AN

AN Size:

-8 AN

Angle:

Straight

Fitting End A:

-8 AN Male

$15.99

/kit

Hex Head -10 AN ORB Plug O-Ring Seal Port Fitting, Black

Speedway Motors |

#61760291

Hex Head -10 AN ORB Plug O-Ring Seal Port Fitting, Black

(1)

Fitting End A:

-10 AN O-ring

Fitting Attachment 1:

Male AN

Material Type:

Aluminum

$14.99

/each

-7%

Earls |

#425AT983306ERL

Earls AT983306ERL 90 Degree -6 AN Bulkhead Fitting, Anodized Aluminum

(3)

AN Size:

-6 AN

Angle:

90 degree

Fitting End A:

-6 AN Male

$20.87

/each

$22.58

-7%

Earls |

#425502403ERL

Earls 502403ERL Bulkhead Nut, -3 AN, Zinc Plated, Steel Construction

(1)

AN Size:

-3 AN

Material Type:

Steel

Finish:

Zinc

$14.89

/pair

$16.11

ICT BILLET |

#82655124

ICT BILLET WPCMP30 3-Wire CMP Camshaft Position Sensor, 1999+ LS

GTIN Code:

657814751842

$23.00

/each

Aluminum Flare Reducer Adapter, Black, -6 AN to -10 AN

Speedway Motors |

#61761781

Aluminum Flare Reducer Adapter, Black, -6 AN to -10 AN

Angle:

Straight

Fitting End A:

-6 AN Male

Fitting End B:

-10 AN Male

$12.99

/each

-71%

Aeroquip |

#61710111

Aeroquip FBM4424 Black Hose End Coupler Fitting 45 Degree Angle -10 AN

Fitting Hose Size:

-10 AN

Fitting End A:

-10 AN Female

Fitting End B:

-10 AN Hose

$36.99

/each

$128.06

-5%

Powermaster |

#255622

Powermaster 622 Starter Pinion, Fits GM/Ford XS Torque Starters

Gear Material:

Steel

Sold in Quantity:

Each

$70.99

/each

$75.00

Showing 1 - 1656 of 3,074 results

Shop Feedback:

Did you find what you are looking for?

1981 Mercury Cougar Engine Parts

Subcategory

Part

Brand

Transmission Family

Availability

Engine Family

Discounts

Price

Customer Rating

Products

Holley 557-201 EFI High Flow Dual Solenoid Boost Control Kit

Doug's Headers SKOP100 Oil Pan Kit, LS Engine Swap, Aluminum

FiTech 38301-5 Ultra Ram External ECU, Engine Management System

FiTech 70031 LS 1000HP EFI, Short Cathedral Intake, Trans Control

Earls AT9892086ERL Female -8 AN to Male -6 AN Aluminum Flare Reducer

Lisle Corporation 33500 Piston Ring Installer, 3/64 In - 1/4 In

45 Degree Flare Adaptor, AN6 to 1/4 Inch NPT

Black 90 Degree -4 AN Flare to 1/4 Inch NPT Pipe Adapter Fitting

Hex Head -6 AN ORB Plug O-Ring Seal Port Fitting, Blue

Earls 968804ERL Oil Pressure Adapter 4AN to 1/8 Inch NPT

Speedway Motors Single Fan Male Pigtail Connector

Earls AT920508ERL 90 Degree, -8 AN Male to -8 AN Female Swivel

Anodized Aluminum -6 AN Flare Plug Fitting, Black

Speedway 90 Degree Bulkhead Fitting Kit, -8 AN, Blue

14 Inch Washable Air Cleaner And Outerwear Kit

Dakota Digital BIM-03-2 Pressure Module

Aluminum Tee Flare Adapter Fitting, Black, -12 AN

Earls AT100200ERL Fuel Pressure Gauge Adapter -8 Male to -8 Female

Royal Purple SAE 0W20 High Performance Engine Oil, 6 Quart Case

Earls AT981668ERL -6 AN Male to 1/2 Inch NPT Straight Adapter

Earls AT925106ERL -6 AN Tee, Female Swivel on Branch, Aluminum

Speedway Full Flow Swivel Hose End Fitting, 45 Degree, Nickel, -10 AN

Fragola 495022 Pressure Gauge Fitting, 1/8 Female to -3 AN Male 90

Straight Aluminum Bulkhead Flare Fitting, Black, -8 AN

Edelbrock 1426 Performer Series Carburetor Metering Jet, 0.095 Inch

Edelbrock 4201 Elite Side Mount Breather

FiTech 79111 LS Kit W/ 70011, Inline Fuel Pump And LED Coil Pack

AutoMeter 2 5/8 Oil Pressure Gauge, 0-100 PSI Mechanical

Straight Aluminum Bulkhead Flare Fitting and Jam Nut, Blue, -8AN

Hex Head -10 AN ORB Plug O-Ring Seal Port Fitting, Black

Earls AT983306ERL 90 Degree -6 AN Bulkhead Fitting, Anodized Aluminum

Earls 502403ERL Bulkhead Nut, -3 AN, Zinc Plated, Steel Construction

ICT BILLET WPCMP30 3-Wire CMP Camshaft Position Sensor, 1999+ LS

Aluminum Flare Reducer Adapter, Black, -6 AN to -10 AN

Aeroquip FBM4424 Black Hose End Coupler Fitting 45 Degree Angle -10 AN

Powermaster 622 Starter Pinion, Fits GM/Ford XS Torque Starters