1978 GMC K25 Transmission Parts

2,888 products fit your

1978 GMC K25

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1978 GMC K25

Products

-7%

Earls |

#425949096ERL

Earls 949096ERL Blue 90 Degree -6 AN Male to 5/8-18 Inch Swivel

(3)

Fitting End A:

-6 AN Male

Fitting End B:

5/8 in.-18 inverted flare

Angle:

90 degree

$39.90

/each

$43.17

-7%

Earls |

#425AT100194ERL

Earls AT100194ERL Fuel Pressure Gauge Adapter -6 Male to 3/8 Inch NPT

(1)

Fitting End A:

-6 AN Male

Fitting End B:

3/8" NPT Male

Fitting End C:

1/8" NPT Female

$26.87

/each

$29.07

-7%

Earls |

#425961603ERL

Earls 961603ERL Straight -3 AN Male to 1/8 Inch NPT, Zinc Plated Steel

(1)

Fitting End A:

-3 AN Male

Fitting End B:

1/8" NPT Male

Angle:

Straight

$9.44

/each

$10.22

-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

-7%

Earls |

#425604503ERL

Earls 604503ERL Speed-Seal Hose End, -3 AN, 45 Degree, Adjustable

Fitting Hose Size:

-3 AN

Fitting End A:

-3 AN Female

Fitting End B:

-3 AN Hose

$46.57

/each

$50.38

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.

-7%

Earls |

#425609004ERL

Earls 609004ERL Speed-Seal Hose End, -4 AN, 90 Degree, Adjustable

Fitting Hose Size:

-4 AN

Fitting End A:

-4 AN Female

Fitting End B:

-4 AN Hose

$46.55

/each

$50.36

-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

-7%

Earls |

#425781656ERL

Earls 781656ERL Vapor Guard Straight 3/8 Inch NPT to 5/16 Inch

(1)

Fitting End A:

5/16" Hose barb

Fitting End B:

3/8" NPT Male

Angle:

Straight

$12.93

/each

$13.98

-7%

Earls |

#425782252ERL

Earls 782252ERL Vapor Guard 90 Deg 1/8 Inch NPT to 5/16 Inch

(3)

Fitting End A:

5/16" Hose barb

Fitting End B:

1/8" NPT Male

Angle:

90 degree

$12.96

/each

$14.02

-7%

Earls |

#425591932ERL

Earls 591932ERL Brake Adapter, 7/16 Inch-24, -3 AN, Zinc Plated Steel

(3)

Fitting End A:

-3 AN Male

Fitting End B:

7/16"-24 I.F. Male

Material Type:

Steel

$22.40

/each

$24.23

-7%

Earls |

#425781606ERL

Earls 781606ERL Vapor Guard Straight 1/4 Inch NPT to 3/8 Inch

Fitting End A:

3/8" Hose barb

Fitting End B:

1/4" NPT Male

Angle:

Straight

$11.92

/each

$12.89

-8%

Earls |

#425AT803112ERL

Earls AT803112ERL 30 Degree -12 AN Ano-Tuff Swivel Seal Hose End

Fitting Hose Size:

-12 AN

Fitting End A:

-12 AN Female

Fitting End B:

-12 AN Hose

$76.09

/each

$82.95

-8%

Earls |

#425AT804616ERL

Earls AT804616ERL 45 Degree -16 AN Female to -16 AN Swivel Seal Hose

Fitting Hose Size:

-16 AN

Fitting End A:

-16 AN Female

Fitting End B:

-16 AN Hose

$87.95

/each

$95.95

-7%

Earls |

#425AT809006ERL

Earls AT809006ERL 90 Degree -6 AN Female to -6 AN Swivel Low Profile

Fitting Hose Size:

-6 AN

Fitting End A:

-6 AN Female

Fitting End B:

-6 AN Hose

$51.95

/each

$56.19

-7%

Earls |

#425652504ERL

Earls 652504ERL Clutch Adapter Fitting, Late, -4 AN

(2)

GTIN Code:

090127055014

$25.73

/each

$27.83

-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 |

#425AT985010ERL

Earls AT985010ERL -10 AN Male to7/8-14 Inch O-Ring Port Adapter

(1)

Fitting End A:

-10 AN Male

Fitting End B:

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

Angle:

Straight

$24.36

/each

$26.35

-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 |

#425AT985086ERL

Earls AT985086ERL -8 AN Male to -6AN O-Ring Port Adapter

Fitting End A:

-8 AN Male

Fitting End B:

-6 AN Male o-ring

Angle:

Straight

$25.36

/each

$27.43

-7%

Earls |

#425AT981688ERL

Earls AT981688ERL -8 AN Male to 1/2 Inch NPT Straight Adapter

(1)

Fitting End A:

-8 AN Male

Fitting End B:

1/2" NPT Male

Angle:

Straight

$13.41

/each

$14.50

Longacre |

#47545243

Longacre® 52-45243 Caliper Fitting - 1/8 NPT x -3 AN Straight

Fitting End A:

-3 AN Male

Fitting End B:

1/8" NPT Male

Angle:

Straight

$9.19

/each

Longacre |

#47545250

Longacre® 52-45250 Caliper Fitting - 7/16-20 x -4 AN 90 Deg.

Fitting End A:

-4 AN Male

Fitting End B:

-4 AN Male O-ring

Angle:

90 degree

$9.99

/each

Lokar |

#491ATS6AODCM

Lokar CMAODCM Auto Trans Shifter, Ford AOD, 12 In, Mushroom Knob

Position:

Floor Shifter

Transmission Type:

Automatic

Shifter Mount Style:

Case Mount

$486.95

/each

Lokar |

#491CIND1721

Lokar CIND-1721 Horiz. Alum. LED Dash Shift Indicator Kit, Ford C4/C6

Sold in Quantity:

Each

Neutral Safety Switch Included:

Yes

$353.95

/each

Lokar |

#491CINS1799

Lokar CINS-1799 Cable Operated Shift Indicator Sensor Kit, Ford C4/C6

GTIN Code:

847087004930

$277.95

/each

Lokar |

#491635

Lokar GM TH350 Floor Mount Auto Shifter

(13)

Position:

Floor Shifter

Transmission Type:

Automatic

Shifter Mount Style:

Floor Mount

as low as

$425.95

/each

Lokar |

#49163508

Lokar CM350EM TH350 Hi-Tech Transmission Shifter, 8 Inch

(2)

Position:

Floor Shifter

Transmission Type:

Automatic

Shifter Mount Style:

Case Mount

$465.95

/each

Lokar |

#4916700AN

Lokar CO700ANMB Nostalgia Cable Operated Shifter, GM 700R4

(5)

Position:

Floor Shifter

Transmission Type:

Automatic

Shifter Mount Style:

Floor Mount

$621.95

/each

Lokar |

#491640

Lokar GM TH400 Floor Mount Auto Shifter

(6)

Position:

Floor Shifter

Transmission Type:

Automatic

Shifter Mount Style:

Floor Mount

$425.95

/each

Lucas 10441 Automatic Transmission Fluid Conditioner, Case of 12

Lucas Oil |

#48410441

Lucas 10441 Automatic Transmission Fluid Conditioner, Case of 12

(2)

Sold in Quantity:

Box

GTIN Code:

049807104412

Die Stock Included:

$129.99

/box

Longacre |

#47545286

Longacre® 52-45286 #3 Brake Line Frame Fitting w/ Tab & Nut

Fitting End A:

-3 AN Male

Fitting End B:

3/8"-24 I.F. Female

Material Type:

Aluminum

$15.99

/each

Lokar |

#491604

Lokar Ford C4 Floor Mount Transmission Shifter

(9)

Position:

Floor Shifter

Transmission Type:

Automatic

Shifter Mount Style:

Floor Mount

as low as

$425.95

/each

Lokar |

#491ATS64L60EANM

Lokar CM4L60EANM Auto Trans Shifter, GM 4L60E, 23 In., Mush Knob

(1)

Position:

Floor Shifter

Transmission Type:

Automatic

Shifter Mount Style:

Case Mount

$541.95

/each

Lokar |

#491604B

Lokar CMC4BM Ford C4 and C5 Hi-Tech Shifter, 16 Inch

(12)

Position:

Floor Shifter

Transmission Type:

Automatic

Shifter Mount Style:

Case Mount

$490.95

/each

Lokar |

#491ATS60C4ANM

Lokar CMC4ANM Auto Trans Shifter, Ford C-4, 23 In, Brush Mushroom

Position:

Floor Shifter

Transmission Type:

Automatic

Shifter Mount Style:

Case Mount

$541.95

/each

Lokar |

#49120603

Lokar KD-20PGHT Powerglide Hi-Tech Kickdown Cable Kit

(2)

GTIN Code:

815470006441

Sold in Quantity:

Each

$129.95

/each

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1978 GMC K25 Transmission Parts

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Products

Earls 949096ERL Blue 90 Degree -6 AN Male to 5/8-18 Inch Swivel

Earls AT100194ERL Fuel Pressure Gauge Adapter -6 Male to 3/8 Inch NPT

Earls 961603ERL Straight -3 AN Male to 1/8 Inch NPT, Zinc Plated Steel

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

Earls 604503ERL Speed-Seal Hose End, -3 AN, 45 Degree, Adjustable

Related Articles

Earls 609004ERL Speed-Seal Hose End, -4 AN, 90 Degree, Adjustable

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

Earls 781656ERL Vapor Guard Straight 3/8 Inch NPT to 5/16 Inch

Earls 782252ERL Vapor Guard 90 Deg 1/8 Inch NPT to 5/16 Inch

Earls 591932ERL Brake Adapter, 7/16 Inch-24, -3 AN, Zinc Plated Steel

Earls 781606ERL Vapor Guard Straight 1/4 Inch NPT to 3/8 Inch

Earls AT803112ERL 30 Degree -12 AN Ano-Tuff Swivel Seal Hose End

Earls AT804616ERL 45 Degree -16 AN Female to -16 AN Swivel Seal Hose

Earls AT809006ERL 90 Degree -6 AN Female to -6 AN Swivel Low Profile

Earls 652504ERL Clutch Adapter Fitting, Late, -4 AN

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

Earls AT985010ERL -10 AN Male to7/8-14 Inch O-Ring Port Adapter

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

Earls AT985086ERL -8 AN Male to -6AN O-Ring Port Adapter

Earls AT981688ERL -8 AN Male to 1/2 Inch NPT Straight Adapter

Longacre® 52-45243 Caliper Fitting - 1/8 NPT x -3 AN Straight

Longacre® 52-45250 Caliper Fitting - 7/16-20 x -4 AN 90 Deg.

Lokar CMAODCM Auto Trans Shifter, Ford AOD, 12 In, Mushroom Knob

Lokar CIND-1721 Horiz. Alum. LED Dash Shift Indicator Kit, Ford C4/C6

Lokar CINS-1799 Cable Operated Shift Indicator Sensor Kit, Ford C4/C6

Lokar GM TH350 Floor Mount Auto Shifter

Lokar CM350EM TH350 Hi-Tech Transmission Shifter, 8 Inch

Lokar CO700ANMB Nostalgia Cable Operated Shifter, GM 700R4

Lokar GM TH400 Floor Mount Auto Shifter

Lucas 10441 Automatic Transmission Fluid Conditioner, Case of 12

Longacre® 52-45286 #3 Brake Line Frame Fitting w/ Tab & Nut

Lokar Ford C4 Floor Mount Transmission Shifter

Lokar CM4L60EANM Auto Trans Shifter, GM 4L60E, 23 In., Mush Knob

Lokar CMC4BM Ford C4 and C5 Hi-Tech Shifter, 16 Inch

Lokar CMC4ANM Auto Trans Shifter, Ford C-4, 23 In, Brush Mushroom

Lokar KD-20PGHT Powerglide Hi-Tech Kickdown Cable Kit