ATP Automatic Transmission Band (Front), JX-58

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$29.99

ATP Transmission Components are exact fit, no compromise replacement parts

Edelbrock Throttle & Auto Trans Kickdown Bracket, 8030

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$83.99

Edelbrock part No: 8030 Throttle, Cruise Control & Trans. Kick-Down Mounting Bracket is designed for Small-block Chevy (1995 & earlier – non-Vortec) with Chrome Plated Finish.

from

$7.29

This clutch pilot bushing is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

ATP Automatic Transmission Front Pump Bushing, CB-4

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$11.79

ATP Transmission Components are exact fit, no compromise replacement parts

Hooker BlackHeart Transmission Cross member, BHS548

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$299.99

These new cross members have been redesigned and are less expensive than the previous cross member & work with engine mounting brackets BHS540 for both the GM LS & Gen-V LT engines. Choose the cross member based on the transmissions that you want to run in your 1973-1987 C10:

Hooker BlackHeart Transmission Cross member, BHS549

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$311.99

The Hooker BlackHeart BHS549 is a heavy-duty transmission cross member engineered for GM LS and Gen V LT engine swaps into classic GM trucks and SUVs (1973-1987 C10/C20, 1973-1982 Blazer/Jimmy). It’s specifically designed to support 4L80E and 4L85E transmissions, offering bolt-in installation, optimal driveline angles, and maximum exhaust clearance.

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$118.99

ATP AT CONTR SOLENOID, SE-1. DRIVELINE – TRANSMISSION PARTS>TRANSMISSION PARTS>SOLENOIDS>SOLENOIDS from ATP

B & M Kickdown Switch Kit For Th400 Transmission, 20297

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$103.99

When swapping the TH400 transmission into any vehicle, this kit makes installation of the transmission’s kickdown feature a snap. This switch mounts to either a TH700R4, TH200, TH200-R4 or TH350 throttle cable bracket.

Hooker BlackHeart Transmission Cross member, BHS550

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$318.99

The Hooker BlackHeart BHS550 is a purpose-built transmission cross member designed for GM LS and Gen V LT engine swaps into classic GM trucks and SUVs. It’s engineered to support 700R4, 4L60, 4L60E, and 4L65E transmissions, offering a bolt-in solution with excellent exhaust clearance and proper driveline geometry.

Hooker BlackHeart Polyurethane Transmission Mount - Red, 71223030HKR

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$49.99

Hooker continues to set the standard of performance with the BlackHeart line of drivetrain components. These BlackHeart transmission mounts are constructed of durable polyurethane to handle the stress and vibration of high horsepower applications while still lasting longer than rubber mounts. Our 3-hole design allows multiple mounting options for factory chassis or custom hot rod applications and features a unique built-in safety lock to keep from separating under high torque loads. Fits 1 or 2-bolt GM and Jeep applications.

Hooker BlackHeart Polyurethane Transmission Mount - Black, 71223029HKR

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$46.09

Hooker continues to set the standard of performance with the BlackHeart line of drivetrain components. These BlackHeart transmission mounts are constructed of durable polyurethane to handle the stress and vibration of high horsepower applications while still lasting longer than rubber mounts. Our 3-hole design allows multiple mounting options for factory chassis or custom hot rod applications and feature a unique built-in safety lock to keep from separating under high torque loads. Fits 1 or 2 bolt GM and Jeep applications.

ATP Automatic Transmission Clutch Plate, JC-57

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$13.79

ATP Transmission Components are exact fit, no compromise replacement parts

ATP Automatic Transmission Detent Cable, Y-100

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$25.99

Detent cables connect the throttle mechanism to the transmission. Old cables can bind, break, or just become sluggish. The best repair is to replace the old cable with a new one. ATP Detent cables are designed to fit And function just like the original part to ensure durability And long life.

ATP Automatic Transmission Detent Cable Seal, SO-36

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$4.19

ATP Transmission Seals and Gaskets are exact fit, no compromise replacement parts

ATP Automatic Transmission Detent Cable, Y-103

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$35.99

Detent cables connect the throttle mechanism to the transmission. Old cables can bind, break, or just become sluggish. The best repair is to replace the old cable with a new one. Pioneer detent cables are designed to fit and function just like the original part to ensure durability and long life.

ATP Automatic Transmission Universal Detent Cable 28 To 48 Inches, Y-754

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$54.99

Detent cables connect the throttle mechanism to the transmission. Old cables can bind, break, or just become sluggish. The best repair is to replace the old cable with a new one. Pioneer detent cables are designed to fit and function just like the original part to ensure durability and long life.

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$51.99

The B&M vacuum modulator is fully adjustable and allows you to fine-tune your shift points and shift feel. This is done by turning the adjustment screw inside of the vacuum line connection for more or less diaphragm preload, thus raising or lowering part throttle shift points and line pressures. For GM TH350 and TH400 automatic transmissions.

Pro-King Automatic Transmission Vacuum Modulator, MD-28

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$33.99

Fully adjustable vacuum modulator to maintain accurate shift points.

Carquest Automatic Transmission Modulator Valve, VMC1051

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$66.99

The transmission modulator valve is a vacuum operated mechanical device located on the transmission case. This valve will have a actuator rod extended into the transmission valve body inside the transmission which will control the flow of transmission fluid within the transmission to place the transmission in the most optimal forward gear selection.

Pro-King Automatic Transmission Vacuum Modulator, MD-48

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$21.99

Fully adjustable vacuum modulator to maintain accurate shift points.

B & M Aluminum Braided Dip Stick, Fits Th-400 Transmission, 22166

from

$132.99

Dress up your street rod with this stainless steel braided dipstick featuring a billet aluminum knob with an o-ring for a leak proof seal. The dipstick fits GM TH400 automatic transmissions and mounts to the Bell housing. The handle has the B&M logo laser etched on the top showing everyone you appreciate quality.

"Mr. Gasket Chrome Automatic Transmission Dipstick & Tube - 27"" Length, 9764"

from

$36.99

Includes dipstick with chromed steel handle and chromed steel dipstick tube with mounting tab. 27 inch long.

GMC C25 Automatic Transmission Parts

Your One-Stop Shop For Trusted GMC C25 Automatic Transmission Parts

Essential GMC C25 Automatic Transmission Parts

ATP – ATP Automatic Transmission Band (Front), JX-58 (Part No.JX-58)

Edelbrock – Edelbrock Throttle & Auto Trans Kickdown Bracket, 8030 (Part No.8030)

Dorman – Dorman Clutch Pilot Bushing, 690-014.1 (Part No.690-014.1)

ATP – ATP Automatic Transmission Front Pump Bushing, CB-4 (Part No.CB-4)

Hooker BlackHeart – Hooker BlackHeart Transmission Cross member, BHS548 (Part No.BHS548)

Hooker BlackHeart – Hooker BlackHeart Transmission Cross member, BHS549 (Part No.BHS549)

ATP – ATP AT CONTR SOLENOID, SE-1 (Part No.SE-1)

B & M – B & M Kickdown Switch Kit For Th400 Transmission, 20297 (Part No.20297)

Hooker BlackHeart – Hooker BlackHeart Transmission Cross member, BHS550 (Part No.BHS550)

Hooker BlackHeart – Hooker BlackHeart Polyurethane Transmission Mount – Red, 71223030HKR (Part No.71223030HKR)

Hooker BlackHeart – Hooker BlackHeart Polyurethane Transmission Mount – Black, 71223029HKR (Part No.71223029HKR)

ATP – ATP Automatic Transmission Clutch Plate, JC-57 (Part No.JC-57)

ATP – ATP Automatic Transmission Detent Cable, Y-100 (Part No.Y-100)

ATP – ATP Automatic Transmission Detent Cable Seal, SO-36 (Part No.SO-36)

ATP – ATP Automatic Transmission Detent Cable, Y-103 (Part No.Y-103)

ATP – ATP Automatic Transmission Universal Detent Cable 28 To 48 Inches, Y-754 (Part No.Y-754)

B & M – B & M Modulator, 20234 (Part No.20234)

Pro-King – Pro-King Automatic Transmission Vacuum Modulator, MD-28 (Part No.MD-28)

Carquest Premium – Carquest Automatic Transmission Modulator Valve, VMC1051 (Part No.VMC1051)

Pro-King – Pro-King Automatic Transmission Vacuum Modulator, MD-48 (Part No.MD-48)

B & M – B & M Aluminum Braided Dip Stick, Fits Th-400 Transmission, 22166 (Part No.22166)

Mr. Gasket – "Mr. Gasket Chrome Automatic Transmission Dipstick & Tube – 27"" Length, 9764" (Part No.9764)

GMC C25 Automatic Transmission Parts List

Automatic Transmission Parts Brands You Can Trust For Your GMC C25

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Most Purchased GMC C25 Automatic Transmission Parts from Pro-King

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