1978 GMC G25 Engine Parts

5,715 products fit your

1978 GMC G25

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1978 GMC G25

Products

-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 |

#10915358

Aeromotive 15358 -10AN 90-Degree PTFE Hose Fitting,Black Anodized

Fitting Hose Size:

-10 AN

Fitting End A:

-10 AN Female

Fitting End B:

-10 AN Hose

$64.22

/each

$70.64

-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

Chris Ryan's 1978 Pontiac Trans Am

Chris Ryan's '78 Firebird is a loving tribute to that famous Trans Am from _Smokey & the Bandit_, but with style and performance that would have been nearly impossible when the Bandit was busy with Sheriff Justice.

Engine Cylinder Numbers

Assembly and Engine Start | 1968 C10 Build Episode 8

It's alive! Our 1968 C10 truck project is one step closer to our first drive. In this episode, our old truck finally comes to life with a cammed junkyard LS.

GM 10-Bolt Identification and Upgrades | 7.625, 7.5, 8.2, 8.5, 8.6

GM’s 10-bolt rear axle has been around since the 1960s, here’s how to determine if your junkyard find is worth taking home

Byron's 1975 Chevy Vega

It's not every day that you see a wild, IMSA inspired, 550 horsepower Vega. Byron Burnham went way outside the box with this one, and we love it.

Progress Update | 1968 C10 Build

We've come a long way on our '68 C10 project, but we still have a long way to go. Watch as Kevin and Joe discuss where we're at and where we're going.

Replacing a G-Body 7.5" Bolt Rear End

Learn about the power behind the G-body platform and the steps to upgrade a 7.5" bolt rear end to a 8.5" to withstand high horsepower. See how to change the differential fluid and install new gaskets.

-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

-9%

Aeromotive |

#10915603

Aeromotive 15603 -8 AN to -8 AN Male Flare Union Fitting

Fitting End A:

-8 AN Male

Fitting End B:

-8 AN Male

Angle:

Straight

$16.97

/each

$18.67

-9%

Aeromotive |

#10915612

Aeromotive 15612 -12 AN ORB to -12 AN Male AdapterFitting

Fitting End A:

-12 AN Male

Fitting End B:

-12 AN Male O-ring

Angle:

Straight

$40.62

/each

$44.68

-9%

Aeromotive |

#10913222

Aeromotive 13222 Low Pressure Carbureted 2-Port Regulator

Fuel Pressure Rating (psi):

1-5.5

GTIN Code:

684980007657

$278.36

/each

$306.20

-9%

Aeromotive |

#10915617

Aeromotive 15617 -10 AN ORB Plug O-Ring Seal Port Fitting

Fitting End A:

-10 AN O-ring

Fitting Attachment 1:

Male AN

Material Type:

Aluminum

$18.11

/each

$19.92

-9%

Aeromotive |

#10915618

Aeromotive 15618 Slim Line -8 AN ORB Plug O-Ring Seal Fitting

Fitting End A:

-8 AN O-ring

Fitting Attachment 1:

Male AN

Material Type:

Aluminum

$18.11

/each

$19.92

-9%

Aeromotive |

#10913224

Aeromotive 13224 A1000 4-Port Carb Bypass Regulator, -6AN/-10AN

Fuel Pressure Rating (psi):

3-15

GTIN Code:

684980003291

$312.93

/each

$344.22

-9%

Aeromotive |

#10911217

Aeromotive 11217 A3000 Line-Pressure Regulator Only

Fuel Pressure Rating (psi):

14-24

$213.00

/each

$234.30

-9%

Aeromotive |

#10915619

Aeromotive 15619 1/16 NPT to -4AN Male Flare Vacuum/Boost Fitting

Fitting End A:

-4 AN Male

Fitting End B:

1/16" NPT

Angle:

Straight

$34.57

/each

$38.03

-9%

Aeromotive |

#10915620

Aeromotive 15620 High Flow Y-Block Manifold Fitting,-10AN to -8AN

Fitting End A:

-10 AN Female O-Ring

Fitting End B:

-8 AN Female O-ring

Fitting End C:

-8 AN Female O-ring

$150.44

/each

$165.48

-9%

Aeromotive |

#10913305

Aeromotive 13305 X1 Series EFI Pro Bypass Adj. Regulator, -8 AN

Fuel Pressure Rating (psi):

35-75

GTIN Code:

684980006551

$312.93

/each

$344.22

-9%

Aeromotive |

#10915621

Aeromotive 15621 -6 AN Fuel Resistant Nitrile O-Rings, Set of 10

AN Size:

-6 AN

Material Type:

Nitrile Rubber Composite

Fitting Size 1:

-6 AN

$14.59

/box

$16.05

-9%

Aeromotive |

#10915622

Aeromotive 15622 -8 AN Fuel Resistant Nitrile O-Rings, Set of 10

AN Size:

-8 AN

Material Type:

Nitrile Rubber Composite

Fitting Size 1:

-8 AN

$14.59

/box

$16.05

-9%

Aeromotive |

#10915630

Aeromotive 15630 1/16 NPT 5/32 Hose Barb SS Vacuum/Boost Fitting

Fitting End A:

1/16" NPT Male

Fitting End B:

5/32" Hose barb

Angle:

Straight

$14.59

/each

$16.05

-9%

Aeromotive |

#10915637

Aeromotive 15637 -8 AN ORB O-Ring Seal Fitting, 1/8 Inch NPT Port

Fitting End A:

-8 AN O-ring

Fitting Attachment 1:

Male AN

Material Type:

Aluminum

$23.60

/each

$25.96

-9%

Aeromotive |

#10915639

Aeromotive 15639 -10 AN to -6 AN ORB Port Swivel Union Fitting

Fitting End A:

-10 AN Male o-ring

Fitting End B:

-10 AN Female O-Ring

Fitting End C:

-6 AN Female O-Ring

$47.20

/each

$51.92

-9%

Aeromotive |

#10915657

Aeromotive 15657 -10 AN 45-Degree Swivel Hose End Fitting

Fitting Hose Size:

-10 AN

Fitting End A:

-10 AN Female

Fitting End B:

-10 AN Hose

$75.19

/each

$82.71

-9%

Aeromotive |

#10915660

Aeromotive 15660 -12 AN 45-Degree Swivel Hose End Fitting

Fitting Hose Size:

-12 AN

Fitting End A:

-12 AN Female

Fitting End B:

-12 AN Hose

$81.77

/each

$89.95

-9%

Aeromotive |

#10915661

Aeromotive 15661 -12 AN 90-Degree Swivel Hose End Fitting

Fitting Hose Size:

-12 AN

Fitting End A:

-12 AN Female

Fitting End B:

-12 AN Hose

$81.77

/each

$89.95

-9%

Aeromotive |

#10915664

Aeromotive 15664 -6 AN to -8 AN Hose End Fitting

Fitting Hose Size:

-8 AN

Fitting End A:

-6 AN Female

Fitting End B:

-8 AN Hose

$18.11

/each

$19.92

-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

-10%

Turbosmart |

#37503041003

Turbosmart TS-0304-1003 BOV Controller And Hardware Kit

GTIN Code:

9329677010596

$283.49

/each

$314.99

-10%

Turbosmart |

#37505051010

Turbosmart TS-0505-1010 Gen4 Turbocharger Wastegate, 14PSI, Black

Wastegate Base Material:

Cast Stainless Steel

Sold in Quantity:

Each

$359.99

/each

$399.99

-10%

Turbosmart |

#37504041022

Turbosmart TS-0404-1022 Black Fuel Pressure Regulator

Sold in Quantity:

Each

GTIN Code:

9329677024517

$218.69

/each

$242.99

-10%

Turbosmart |

#37505061002

Turbosmart TS-0506-1002 Gen4 HyperGate45 Wastegate, 7PSI, Black

Wastegate Base Material:

Cast Stainless Steel

Sold in Quantity:

Each

$468.89

/each

$520.99

-10%

Turbosmart |

#37505511012

Turbosmart TS-0551-1012 GenV UltraGate38 Wastegate, 14PSI, Black

Wastegate Base Material:

Cast Stainless Steel

Sold in Quantity:

Each

$387.89

/each

$430.99

-5%

Turbosmart |

#37503011002

Turbosmart TS-0301-1002 E-Boost2 60MM Boost Controller, Blck/Silv

Sold in Quantity:

Each

Adjustable:

Yes

$660.95

/each

$699.94

-5%

Turbosmart |

#37503011003

Turbosmart TS-0301-1003 E-Boost2 60MM Boost Controller, Black

(1)

Sold in Quantity:

Each

Adjustable:

Yes

$660.95

/each

$699.94

-5%

Turbosmart |

#37503011011

Turbosmart TS-0301-1011 E-Boost2 66MM Boost Controller, Black

Sold in Quantity:

Each

Adjustable:

Yes

$660.95

/each

$699.94

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1978 GMC G25 Engine Parts

Subcategory

Part

Brand

Transmission Family

Availability

Engine Family

Discounts

Price

Customer Rating

Products

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

Aeromotive 15358 -10AN 90-Degree PTFE Hose Fitting,Black Anodized

Aeromotive 15645 -8 AN Bulkhead Fitting

Aeromotive 15646 -10 AN Bulkhead Fitting

Aeromotive 15647 -12 AN Bulkhead Fitting

Related Articles

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

Aeromotive 15603 -8 AN to -8 AN Male Flare Union Fitting

Aeromotive 15612 -12 AN ORB to -12 AN Male AdapterFitting

Aeromotive 13222 Low Pressure Carbureted 2-Port Regulator

Aeromotive 15617 -10 AN ORB Plug O-Ring Seal Port Fitting

Aeromotive 15618 Slim Line -8 AN ORB Plug O-Ring Seal Fitting

Aeromotive 13224 A1000 4-Port Carb Bypass Regulator, -6AN/-10AN

Aeromotive 11217 A3000 Line-Pressure Regulator Only

Aeromotive 15619 1/16 NPT to -4AN Male Flare Vacuum/Boost Fitting

Aeromotive 15620 High Flow Y-Block Manifold Fitting,-10AN to -8AN

Aeromotive 13305 X1 Series EFI Pro Bypass Adj. Regulator, -8 AN

Aeromotive 15621 -6 AN Fuel Resistant Nitrile O-Rings, Set of 10

Aeromotive 15622 -8 AN Fuel Resistant Nitrile O-Rings, Set of 10

Aeromotive 15630 1/16 NPT 5/32 Hose Barb SS Vacuum/Boost Fitting

Aeromotive 15637 -8 AN ORB O-Ring Seal Fitting, 1/8 Inch NPT Port

Aeromotive 15639 -10 AN to -6 AN ORB Port Swivel Union Fitting

Aeromotive 15657 -10 AN 45-Degree Swivel Hose End Fitting

Aeromotive 15660 -12 AN 45-Degree Swivel Hose End Fitting

Aeromotive 15661 -12 AN 90-Degree Swivel Hose End Fitting

Aeromotive 15664 -6 AN to -8 AN Hose End Fitting

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

Turbosmart TS-0304-1003 BOV Controller And Hardware Kit

Turbosmart TS-0505-1010 Gen4 Turbocharger Wastegate, 14PSI, Black

Turbosmart TS-0404-1022 Black Fuel Pressure Regulator

Turbosmart TS-0506-1002 Gen4 HyperGate45 Wastegate, 7PSI, Black

Turbosmart TS-0551-1012 GenV UltraGate38 Wastegate, 14PSI, Black

Turbosmart TS-0301-1002 E-Boost2 60MM Boost Controller, Blck/Silv

Turbosmart TS-0301-1003 E-Boost2 60MM Boost Controller, Black

Turbosmart TS-0301-1011 E-Boost2 66MM Boost Controller, Black