1981 GMC K2500 Engine Parts

5,390 products fit your

1981 GMC K2500

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1981 GMC K2500

Products

-43%

Aluminum Flare Bulkhead Fitting, 45 Degree, -6 AN

Speedway Motors |

#324983706

Aluminum Flare Bulkhead Fitting, 45 Degree, -6 AN

AN Size:

-6 AN

Angle:

45 degree

Fitting End A:

-6 AN Male

$7.99

/each

$14.26

Speedway Motors |

#472700198BB

-8 Male to 3/8" male NPT With 1/8" NPT

Fitting End A:

-8 AN Male

Fitting End B:

3/8" NPT Male

Fitting End C:

1/8" NPT Female

$13.49

/each

Speedway Replacement Nitrile O-Rings for -4 AN Fittings, Pack/10

Speedway Motors |

#6173473

Speedway Replacement Nitrile O-Rings for -4 AN Fittings, Pack/10

AN Size:

-4 AN

Material Type:

Nitrile Rubber Composite

Fitting Size 1:

-4 AN 0.351

$4.49

/bag

Aluminum -16 AN Flare Fitting Cap, Blue Anodized

Speedway Motors |

#6176200

Aluminum -16 AN Flare Fitting Cap, Blue Anodized

Material Type:

Aluminum

Color:

Blue

$13.99

/each

Speedway Motors |

#6176192

Aluminum Bulkhead Jam Nut, Blue, -12 AN

(2)

AN Size:

-12 AN

Material Type:

Aluminum

Finish:

Anodized

$5.99

/each

Stainless T-Bolt Clamp, 3-7/16 Inch Minimum Clamping Diameter

Speedway Motors |

#910553358

Stainless T-Bolt Clamp, 3-7/16 Inch Minimum Clamping Diameter

(1)

Style:

T-Bolt

Material Type:

Stainless Steel

Color:

Natural

$6.59

/each

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

Anodized Aluminum -4 AN Flare Plug Fitting, Set of 4

Speedway Motors |

#54523800

Anodized Aluminum -4 AN Flare Plug Fitting, Set of 4

Fitting End A:

-4 AN

Fitting Attachment 1:

Male AN

Material Type:

Aluminum

$5.49

/set

Air Intake Tube, Reducer Coupler & Aluminum Weld Bung

Speedway Motors |

#9101582

Air Intake Tube, Reducer Coupler & Aluminum Weld Bung

Finish:

Polished

Overall Length:

6.00"

Material Type:

Aluminum

$50.99

/kit

Storage -12 AN Flare Fitting Cap, Pack of 4

Speedway Motors |

#54523809

Storage -12 AN Flare Fitting Cap, Pack of 4

Sold in Quantity:

Set

AN Size:

-12 AN

$7.09

/set

90 Degree Socketless Push-On Hose End Fitting, Nickel, -8 AN

Speedway Motors |

#6201533

90 Degree Socketless Push-On Hose End Fitting, Nickel, -8 AN

Fitting Hose Size:

-8 AN

Fitting End A:

-8 AN Female

Fitting End B:

-8 AN Hose

$25.99

/each

Speedway Dry Media Air Filter Elements, 14 inch

Speedway Motors |

#91014000

Speedway Dry Media Air Filter Elements, 14 inch

(3)

Air Filter Style:

Round

Filter Material:

Paper

Overall Diameter:

14"

$58.99

/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

Speedway Motors |

#6176037

Flare Union Adapter Fittings, -10 AN

Fitting End A:

-10 AN Male

Fitting End B:

-10 AN Male

Angle:

Straight

$10.99

/each

Male Steel and Aluminum 37 Degree AN Flare Weld Bung Master Kit

Speedway Motors |

#91508517

Male Steel and Aluminum 37 Degree AN Flare Weld Bung Master Kit

Thread Type:

RH Male

Fitting Attachment 1:

Male Threads

Material Type:

Polyethylene

$98.99

/kit

Anodized Aluminum -8 AN Flare Plug Fitting

Speedway Motors |

#54523804

Anodized Aluminum -8 AN Flare Plug Fitting

(1)

Fitting End A:

-8 AN

Fitting Attachment 1:

Male AN

Material Type:

Aluminum

$5.49

/set

Storage -4 AN Flare Fitting Cap, Pack of 4

Speedway Motors |

#54523801

Storage -4 AN Flare Fitting Cap, Pack of 4

Sold in Quantity:

Set

AN Size:

-4 AN

$5.69

/set

FiTech |

#52176203

FiTech 76203 LS Master Kit 70003 W/ 50015 Go Fuel In-Tank Module

Injection Style:

Multi-port

Injector Size:

55 lbs./hr.

Max Horsepower Rating:

750

$2,375.99

/kit

FiTech |

#52176204

FiTech 76204 LS Master Kit 70004 W/ 50015 Go Fuel In-Tank Module

Injection Style:

Multi-port

Injector Size:

55 lbs./hr.

Max Horsepower Rating:

750

$2,663.99

/kit

FiTech |

#52176206

FiTech 76206 LS Master Kit 70006 W/ 50015 Go Fuel In-Tank Module

Injection Style:

Multi-port

Injector Size:

36 lbs./hr.

Max Horsepower Rating:

500

$2,175.99

/kit

FiTech |

#52176208

FiTech 76208 LS Master Kit 70008 W/ 50015 Go Fuel In-Tank Module

Injection Style:

Multi-port

Injector Size:

55 lbs./hr.

Max Horsepower Rating:

750

$2,375.99

/kit

FiTech |

#52176209

FiTech 76209 LS Master Kit 70009 W/ 50015 Go Fuel In-Tank Module

Injection Style:

Multi-port

Injector Size:

55 lbs./hr.

Max Horsepower Rating:

750

$2,663.99

/kit

FiTech |

#52176211

FiTech 76211 LS Master Kit 70011 W/ 50015 Go Fuel In-Tank Module

Injection Style:

Multi-port

Injector Size:

36 lbs./hr.

Max Horsepower Rating:

500

$2,175.99

/kit

FiTech |

#52135465

FiTech 35465 Go EFI 2X4 1200HP W/ Dual Pump Force Fuel, Bright

Injection Style:

Throttle Body

Injector Size:

80 lbs./hr.

Max Horsepower Rating:

1200

$2,643.99

/kit

FiTech |

#52176212

FiTech 76212 LS Master Kit 70012 W/ 50015 Go Fuel In-Tank Module

Injection Style:

Multi-port

Injector Size:

36 lbs./hr.

Max Horsepower Rating:

500

$2,375.99

/kit

-9%

Aeromotive |

#10915671

Aeromotive 15671 Y-Block Fitting, -6 AN to -4 AN x 2

Fitting End A:

-6 AN Male

Fitting End B:

-4 AN Male

Fitting End C:

-4 AN Male

$69.71

/each

$76.68

-9%

Aeromotive |

#10915673

Aeromotive 15673 Y-Block Fitting, -8 AN to -6 AN x 2

Fitting End A:

-8 AN Male

Fitting End B:

-6 AN Male

Fitting End C:

-6 AN Male

$69.71

/each

$76.68

-9%

Aeromotive |

#10915645

Aeromotive 15645 -8 AN Bulkhead Fitting

AN Size:

-8 AN

Angle:

Straight

Fitting End A:

-8 AN Male

$34.57

/each

$38.03

-9%

Aeromotive |

#10915646

Aeromotive 15646 -10 AN Bulkhead Fitting

AN Size:

-10 AN

Angle:

Straight

Fitting End A:

-10 AN Male

$34.57

/each

$38.03

-9%

Aeromotive |

#10915647

Aeromotive 15647 -12 AN Bulkhead Fitting

GTIN Code:

684980001358

$47.20

/each

$51.92

-9%

Aeromotive |

#10915649

Aeromotive 15649 -6 AN ORB to -8 AN Reducer Fitting

(1)

Fitting End A:

-8 AN Male

Fitting End B:

-6 AN Male o-ring

Angle:

Straight

$21.37

/each

$23.51

-9%

Aeromotive |

#10915650

Aeromotive 15650 -6 AN Straight Hose End Fitting

Fitting Hose Size:

-6 AN

Fitting End A:

-6 AN Female

Fitting End B:

-6 AN Hose

$23.60

/each

$25.96

-9%

Aeromotive |

#10915653

Aeromotive 15653 -8 AN Straight Swivel Hose End Fitting

Fitting Hose Size:

-8 AN

Fitting End A:

-8 AN Female

Fitting End B:

-8 AN Hose

$29.08

/each

$31.99

-9%

Aeromotive |

#10915654

Aeromotive 15654 -8 AN 45-Degree Swivel Hose End Fitting

Fitting Hose Size:

-8 AN

Fitting End A:

-8 AN Female

Fitting End B:

-8 AN Hose

$64.22

/each

$70.64

FiTech |

#52179112

FiTech 79112 LS Kit W/ 70012, Inline Fuel Pump And LED Coil Pack

Injection Style:

Multi-port

Injector Size:

36 lbs./hr.

Max Horsepower Rating:

500

$2,633.99

/kit

FiTech |

#52130012

FiTech 30012 Go EFI 8 Power Adder Plus 1200 HP Fuel Injection

(3)

Injection Style:

Throttle Body

Max Horsepower Rating:

1200

ECM Included:

Yes

$1,597.00

/each

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1981 GMC K2500 Engine Parts

Subcategory

Part

Brand

Transmission Family

Availability

Engine Family

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Price

Customer Rating

Products

Aluminum Flare Bulkhead Fitting, 45 Degree, -6 AN

-8 Male to 3/8" male NPT With 1/8" NPT

Speedway Replacement Nitrile O-Rings for -4 AN Fittings, Pack/10

Aluminum -16 AN Flare Fitting Cap, Blue Anodized

Aluminum Bulkhead Jam Nut, Blue, -12 AN

Stainless T-Bolt Clamp, 3-7/16 Inch Minimum Clamping Diameter

Aluminum Tee Flare Adapter Fitting, Black, -12 AN

Anodized Aluminum -4 AN Flare Plug Fitting, Set of 4

Air Intake Tube, Reducer Coupler & Aluminum Weld Bung

Storage -12 AN Flare Fitting Cap, Pack of 4

90 Degree Socketless Push-On Hose End Fitting, Nickel, -8 AN

Speedway Dry Media Air Filter Elements, 14 inch

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

Flare Union Adapter Fittings, -10 AN

Male Steel and Aluminum 37 Degree AN Flare Weld Bung Master Kit

Anodized Aluminum -8 AN Flare Plug Fitting

Storage -4 AN Flare Fitting Cap, Pack of 4

FiTech 76203 LS Master Kit 70003 W/ 50015 Go Fuel In-Tank Module

FiTech 76204 LS Master Kit 70004 W/ 50015 Go Fuel In-Tank Module

FiTech 76206 LS Master Kit 70006 W/ 50015 Go Fuel In-Tank Module

FiTech 76208 LS Master Kit 70008 W/ 50015 Go Fuel In-Tank Module

FiTech 76209 LS Master Kit 70009 W/ 50015 Go Fuel In-Tank Module

FiTech 76211 LS Master Kit 70011 W/ 50015 Go Fuel In-Tank Module

FiTech 35465 Go EFI 2X4 1200HP W/ Dual Pump Force Fuel, Bright

FiTech 76212 LS Master Kit 70012 W/ 50015 Go Fuel In-Tank Module

Aeromotive 15671 Y-Block Fitting, -6 AN to -4 AN x 2

Aeromotive 15673 Y-Block Fitting, -8 AN to -6 AN x 2

Aeromotive 15645 -8 AN Bulkhead Fitting

Aeromotive 15646 -10 AN Bulkhead Fitting

Aeromotive 15647 -12 AN Bulkhead Fitting

Aeromotive 15649 -6 AN ORB to -8 AN Reducer Fitting

Aeromotive 15650 -6 AN Straight Hose End Fitting

Aeromotive 15653 -8 AN Straight Swivel Hose End Fitting

Aeromotive 15654 -8 AN 45-Degree Swivel Hose End Fitting

FiTech 79112 LS Kit W/ 70012, Inline Fuel Pump And LED Coil Pack

FiTech 30012 Go EFI 8 Power Adder Plus 1200 HP Fuel Injection