1978 GMC K25 Transmission Parts

2,725 products fit your

1978 GMC K25

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1978 GMC K25

Products

-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 |

#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

New Vintage USA |

#2760219501

New Vintage USA 02195-01 Performance ll 2 1/16 Trans Temp Black

Gauge Type:

Analog

Gauge Face Color:

Black

Bezel Finish:

Titanium

$131.99

/each

New Vintage USA |

#2760219503

New Vintage USA 02195-03 Performance ll 2 1/16 Trans Temp White

Gauge Type:

Analog

Gauge Face Color:

White

Bezel Finish:

Titanium

$131.99

/each

-16%

Speedhut |

#140A372

Speedhut A-372 Mechanical Drive Converter, Universal Thread Cable

GTIN Code:

843386135320

Sold in Quantity:

Each

$437.61

/each

$525.14

T-5 Transmission

Check out these tips on T-5 transmissions!

Transmission Replacement on a 55 Chevy

Learn how Zach replaces a transmission and breakaway converter in his 55 Chevy, with some helpful tips along the way.

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.

-16%

Speedhut |

#140A375

Speedhut A-375 Mechanical Drive Converter w/ Thread-on Cable

GTIN Code:

843386135351

Sold in Quantity:

Each

$437.61

/each

$525.14

-16%

Speedhut |

#140A371

Speedhut A-371 Mechanical Drive Converter w/ Chrysler Clip-on

GTIN Code:

843386135313

Sold in Quantity:

Each

$437.61

/each

$525.14

-16%

Speedhut |

#140A157

Speedhut A-157 SST Shift Light, Yellow LEDs with Silver Aluminum

Includes Mounting Bracket(s):

Yes

Sold in Quantity:

Each

$113.87

/each

$136.65

-16%

Speedhut |

#140A264

Speedhut A-264 SST-MAX OBDII Shift Light Blue LEDs- Black Tube

Includes Mounting Bracket(s):

Yes

Sold in Quantity:

Each

$160.94

/each

$193.13

-16%

Speedhut |

#140A265

Speedhut A-265 SST-MAX OBDII Shift Light Blue LEDs- Silver Tube

Includes Mounting Bracket(s):

Yes

Sold in Quantity:

Each

$160.94

/each

$193.13

-16%

Speedhut |

#140A266

Speedhut A-266 SST-MAX OBDII Shift Light Red LEDs, Black Tube

Includes Mounting Bracket(s):

Yes

Sold in Quantity:

Each

$160.94

/each

$193.13

-16%

Speedhut |

#140A146

Speedhut A-146 SST Shift Light, Blue LEDs Black Aluminum Tube

Includes Mounting Bracket(s):

Yes

Sold in Quantity:

Each

$113.87

/each

$136.65

-16%

Speedhut |

#140A147

Speedhut A-147 SST Shift Light, Blue LEDs Silver Aluminum Tube

Includes Mounting Bracket(s):

Yes

Sold in Quantity:

Each

$113.87

/each

$136.65

-16%

Speedhut |

#140A155

Speedhut A-155 SST Shift Light, Red LEDs Silver Aluminum Tube

Includes Mounting Bracket(s):

Yes

Sold in Quantity:

Each

$113.87

/each

$136.65

Lokar |

#491SK6839

Lokar SK-6839 Midnight Series 3-Speed Auto Mushroom Black Shifter Knob

(3)

Transmission Speeds:

3-Speed

Material Type:

Aluminum

Diameter:

$56.95

/each

New Vintage USA |

#2769090700

New Vintage USA 90907-00 Indicator Panel 7 Lamp Front Mount Pol

GTIN Code:

689860957053

$131.95

/each

New Vintage USA |

#2769090701

New Vintage USA 90907-01 Indicator Panel 7 Lamp Front Mount Blk

GTIN Code:

689860957060

$131.95

/each

-7%

Earls |

#425AT985068ERL

Earls AT985068ERL -6 AN Male to 3/4-16 Inch O-Ring Port Adapter

(1)

Fitting End A:

-6 AN Male

Fitting End B:

3/4" - 16 Male O-ring (-8 AN)

Angle:

Straight

$22.99

/each

$24.87

-7%

Earls |

#425AT985081ERL

Earls AT985081ERL -8 AN Male to 7/8-14 Inch O-Ring Port Adapter

Fitting End A:

-8 AN Male

Fitting End B:

7/8" - 14 Male O-ring (-10 AN)

Angle:

Straight

$24.36

/each

$26.35

-7%

Earls |

#425581533ERL

Earls 581533ERL Brake Adapter, 3/8 Inch-24, -3 AN

(4)

Fitting End A:

-3 AN Male

Fitting End B:

3/8"-24 I.F. Male (long)

Material Type:

Steel

$16.43

/each

$17.78

-7%

Earls |

#425812006ERL

Earls 812006ERL 120 Degree -6 AN Female to -6 AN Hose Adapter

Fitting Hose Size:

-6 AN

Fitting End A:

-6 AN Female

Fitting End B:

-6 AN Hose

$44.35

/each

$47.97

-7%

Earls |

#425812008ERL

Earls 812008ERL 120 Degree -8 AN Female to -8 AN Hose Adapter

Fitting Hose Size:

-8 AN

Fitting End A:

-8 AN Female

Fitting End B:

-8 AN Hose

$51.95

/each

$56.19

-7%

Earls |

#425803110ERL

Earls 803110ERL 30 Degree -10 AN Female to -10 AN Hose Adapter

Fitting Hose Size:

-10 AN

Fitting End A:

-10 AN Female

Fitting End B:

-10 AN Hose

$59.89

/each

$64.95

-7%

Earls |

#425920508ERL

Earls 920508ERL 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

$34.82

/each

$37.67

-7%

Earls |

#425804606ERL

Earls 804606ERL 45 Degree -6 AN Female to -6 AN Hose Adapter

Fitting Hose Size:

-6 AN

Fitting End A:

-6 AN Female

Fitting End B:

-6 AN Hose

$39.90

/each

$43.17

-7%

Earls |

#425804608ERL

Earls 804608ERL 45 Degree -8 AN Female to -8 AN Hose Adapter

Fitting Hose Size:

-8 AN

Fitting End A:

-8 AN Female

Fitting End B:

-8 AN Hose

$46.57

/each

$50.38

-7%

Earls |

#425806106ERL

Earls 806106ERL 60 Degree -6 AN Female to -6 AN Hose Adapter

Fitting Hose Size:

-6 AN

Fitting End A:

-6 AN Female

Fitting End B:

-6 AN Hose

$39.90

/each

$43.17

-8%

Earls |

#425609093ERL

Earls 609093ERL Speed-Seal Hose End, -3 AN, 90 Degree, Adjustable

Fitting Hose Size:

-3 AN

Fitting End A:

-3 AN Female

Fitting End B:

-3 AN Hose

$87.95

/each

$95.95

-8%

Earls |

#425609236ERL

Earls 609236ERL 90 Deg -6 AN Aluminum Adjustable Speed-Seal Hose End

Fitting Hose Size:

-6 AN

Fitting End A:

-6 AN Female

Fitting End B:

-6 AN Hose

$73.25

/each

$79.95

-11%

Lakewood |

#425LK4000

Lakewood LK4000 Chevy Cast Alumi. Bellhousing, Muncie/Saginaw/TKO

Depth:

6.45"

Material Type:

Cast Aluminum

Finish:

Natural

$460.95

/each

$518.95

-7%

Fitting End A:

-10 AN Male

Fitting End B:

-10 AN Male

Angle:

Straight

$16.39

/each

$17.73

Showing 1 - 468 of 2,725 results

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1978 GMC K25 Transmission Parts

Subcategory

Part

Brand

Transmission Family

Availability

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Discounts

Price

Customer Rating

Products

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

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

New Vintage USA 02195-01 Performance ll 2 1/16 Trans Temp Black

New Vintage USA 02195-03 Performance ll 2 1/16 Trans Temp White

Speedhut A-372 Mechanical Drive Converter, Universal Thread Cable

Related Articles

Speedhut A-375 Mechanical Drive Converter w/ Thread-on Cable

Speedhut A-371 Mechanical Drive Converter w/ Chrysler Clip-on

Speedhut A-157 SST Shift Light, Yellow LEDs with Silver Aluminum

Speedhut A-264 SST-MAX OBDII Shift Light Blue LEDs- Black Tube

Speedhut A-265 SST-MAX OBDII Shift Light Blue LEDs- Silver Tube

Speedhut A-266 SST-MAX OBDII Shift Light Red LEDs, Black Tube

Speedhut A-146 SST Shift Light, Blue LEDs Black Aluminum Tube

Speedhut A-147 SST Shift Light, Blue LEDs Silver Aluminum Tube

Speedhut A-155 SST Shift Light, Red LEDs Silver Aluminum Tube

Lokar SK-6839 Midnight Series 3-Speed Auto Mushroom Black Shifter Knob

New Vintage USA 90907-00 Indicator Panel 7 Lamp Front Mount Pol

New Vintage USA 90907-01 Indicator Panel 7 Lamp Front Mount Blk

Earls AT985068ERL -6 AN Male to 3/4-16 Inch O-Ring Port Adapter

Earls AT985081ERL -8 AN Male to 7/8-14 Inch O-Ring Port Adapter

Earls 581533ERL Brake Adapter, 3/8 Inch-24, -3 AN

Earls 812006ERL 120 Degree -6 AN Female to -6 AN Hose Adapter

Earls 812008ERL 120 Degree -8 AN Female to -8 AN Hose Adapter

Earls 803110ERL 30 Degree -10 AN Female to -10 AN Hose Adapter

Earls 920508ERL 90 Degree, -8 AN Male to -8 AN Female Swivel

Earls 804606ERL 45 Degree -6 AN Female to -6 AN Hose Adapter

Earls 804608ERL 45 Degree -8 AN Female to -8 AN Hose Adapter

Earls 806106ERL 60 Degree -6 AN Female to -6 AN Hose Adapter

Earls 609093ERL Speed-Seal Hose End, -3 AN, 90 Degree, Adjustable

Earls 609236ERL 90 Deg -6 AN Aluminum Adjustable Speed-Seal Hose End

Lakewood LK4000 Chevy Cast Alumi. Bellhousing, Muncie/Saginaw/TKO

Earls LS641001ERL Clutch Adapter Fitting, Early, -4 AN

Lakewood LK8000 Bellhousing, Small Block Ford To T5 Transmission

Lakewood LK8000K Bellhousing Kit, Small Block Ford To T5 Trans

Lakewood LK9000 Bellhousing, Small Block Ford To TKO 500/600

Lakewood LK9000K Bellhousing Kit, Small Block Ford To TKO 500/600

Earls AT981510ERL -10 AN Male Straight Union, Anodized Aluminum