1978 Cadillac Fleetwood Transmission Parts

Essential 1978 Cadillac Fleetwood Transmission Parts

B & M – Automatic Shifter, Magnum Grip Pro Stick with Cover (Part No.81040)

Automatic Shifter, Magnum Grip Pro Stick with Cover

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$512.99
The Magnum Grip Pro Stick shifter delivers rock-solid performance, mixed with clean design cues and compact size. This is why you see so many Pro Stick shifters at the race track. We start off with a heavy duty steel base with a hardened steel gate plate

Product Features:
  • All One-Handed
  • NHRA/IHRA Reverse Lockout Meets Requirements
  • Mount Directly To Floor/Chassis/Or w/Quick Release
  • Ultimate For Powerglide Applications
  • Lightweight Brushed Alum. Cover
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Imperial – High Performance Transmission Oil Cooler (Part No.240512)

High Performance Transmission Oil Cooler

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$67.99
Product Features:
  • Imperial high-performance transmission cooler
  • Size: 3/4″ x 7-1/2″ x 12-1/2″
  • SAE 45-degree fittings for maximum reliability
  • Electrostatic powder-coated to prevent corrosion
  • SAE 45 degree fittings for maximum reliability
  • Electrostatically powder coated to prevent corrosion
  • All aluminum lightweight construction
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National – Bearings (Part No.A-3)

Bearings

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$14.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Crowned raceways and rollers to ensure even load distribution for maximum life
  • Industry leading coverage
  • Professional technicians know they can depend on National
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Pro-King – Automatic Transmission Basic Rebuild Kit (Part No.KB-828)

Automatic Transmission Basic Rebuild Kit

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$84.99
This Basic Rebuild Kit contains a complete gasket Kit and friction set. Each Rebuild Kit contains only the highest quality parts that meet or exceed OE specifications.

Product Features:
  • Does not include steels or filter
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Driveworks – Oil Seal (Part No.S-3543)

Oil Seal

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$4.99
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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National – Multi Purpose Seal (Part No.8792S)

Multi Purpose Seal

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$6.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
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National – Multi Purpose Seal (Part No.2043)

Multi Purpose Seal

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$12.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
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ATP – AUTO TRANS BAND (Part No.CX-32)

AUTO TRANS BAND

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$27.99
AUTO TRANS BAND

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

Automatic Transmission Vacuum Modulator

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$33.49
Fully adjustable vacuum modulator to maintain accurate shift points.

Product Features:
  • Meets or exceeds OE fit, form and function
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National – Multi Purpose Seal (Part No.9449)

Multi Purpose Seal

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$9.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
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Imperial – Transmission Oil Cooler Reinstallation Kit (Part No.248002)

Transmission Oil Cooler Reinstallation Kit

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$20.79
Provides all necessary components for the proper reinstallation of an Imperial transmission oil cooler.

Product Features:
  • Transmission cooler reinstallation kit
  • Contains part numbers 248001, 226201, 240250 and 4 hose clamps
  • Provides all hardware for reinstallation of Imperial transmission coolers
  • Contains nylon mounting rods, foam pads, locking buttons, hose and fitting
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Dorman – Transmission Line Connector (Part No.800-754)

Transmission Line Connector

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$8.99
Made of quality materials, this automatic transmission oil cooler line connector matches the fit and function of a damaged original equipment connector to restore leak-free performance between the transmission and the oil cooler.

Product Features:
  • Quality replacement – this transmission cooler connector matches the fit and function of the original equipment connector
  • Durable construction – this oil cooler line connector is made of quality materials for a precise fit and leak-free durability
  • Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
  • Ideal shop supply – this connector is recommended to have on hand any time service is being performed on the transmission oil cooler line
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ATP – AT CLUTCH PLATE (Part No.JC-50)

AT CLUTCH PLATE

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$8.99
AT CLUTCH PLATE

ATP – AT FRT PUMP BUSHING (Part No.CB-30)

AT FRT PUMP BUSHING

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$11.99
AT FRT PUMP BUSHING

Edelbrock – Automatic Trans Cable Adapter #8026 for GM 2004R, 700R4, 4L60 Transmissions (Part No.8026)

Automatic Trans Cable Adapter #8026 for GM 2004R, 700R4, 4L60 Transmissions

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$18.99
Product Features:
  • Edelbrock Part # 8026 GM Transmission adapter is for use with 2004R, 700R4, 4L60 transmissions.
  • This kit relocates the pin position on an Edelbrock Carburetor when hooking up to a throttle valve style transmission (700R4, 2004R, 4L60).
  • The pin location is critical as the TV controls line pressure, shift points, shift firmness, and part throttle downshifts.
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ATP – AT OVERHAUL KIT (Part No.SGS-28)

AT OVERHAUL KIT

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$96.99
AT OVERHAUL KIT

ATP – AT DPSTK TUBE SEAL (Part No.SO-35)

AT DPSTK TUBE SEAL

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$5.99
AT DPSTK TUBE SEAL

National – Multi Purpose Seal (Part No.5208)

Multi Purpose Seal

from

$18.29
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
See More

Driveworks – Oil Seal (Part No.S-9613S)

Oil Seal

from

$4.79
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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National – Cylindrical Bearing (Part No.5707)

Cylindrical Bearing

from

$22.99
Manufactured with premium-grade steel, National® cylindrical bearings are designed and engineered to meet OE specifications.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Controlled heat treating process for lasting performance and extended bearing life
  • Industry leading coverage
  • Professional technicians know they can depend on National
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Driveworks – Oil Seal (Part No.S-4072N)

Oil Seal

from

$5.99
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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National – Bearings (Part No.M802048)

Bearings

from

$23.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Crowned raceways and rollers to ensure even load distribution for maximum life
  • Industry leading coverage
  • Professional technicians know they can depend on National
See More

B & M – Torque Converter, Holeshot 2000 (Part No.70417)

Torque Converter, Holeshot 2000

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$502.99
The Holeshot Converter is a very good choice for the typical street machine that is looking for better launch capability and more strength. With a furnace brazed turbine, new turbine hub and dual pattern drive lugs on some GM Holeshots.

Product Features:
  • Furnace Brazed Impeller
  • Steel Alloy Pump Drive Tube
  • Heavy Duty Needle Bearing
  • Between Stator and Turbine
  • Furnace Brazed Turbine
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ATP – AT OIL PUMP ORING (Part No.SO-21)

AT OIL PUMP ORING

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$8.99
AT OIL PUMP ORING

ATP – AT OIL PUMP SEAL (Part No.CO-37)

AT OIL PUMP SEAL

from

$19.99
AT OIL PUMP SEAL

Felpro – AUTOMATIC TRANSMISSION OIL PAN GASKET (Part No.TOS 18697)

AUTOMATIC TRANSMISSION OIL PAN GASKET

from

$10.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Unsurpassed quality you can trust
  • Validated for fit, form and function
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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Spectre – Aluminum Trans Pan TH350 (Part No.5460)

Aluminum Trans Pan TH350

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$159.99
The Spectre Transmission Pan Turbo 350 was designed to fit General Motors TH350 transmissions. This stock capacity transmission pan features polished aluminum construction, fins for added cooling, and includes a drain plug. This product is easy to install with no special tools or skills required.

Product Features:
  • Manufactured from polished aluminum
  • Designed for GM TH350 transmissions
  • Stock capacity
  • Easy to install with no special tools or skills required
  • Features fins for added cooling
  • Includes drain plug
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Mr. Gasket – Automatic Transmission Oil Pan (Part No.9762)

Automatic Transmission Oil Pan

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$61.99
Stock depth chrome plated automatic transmission pans are complete with drain plug, washer and gasket. Matching dipsticks with tubes sold separately.

Product Features:
  • Stock depth and capacity
  • Chrome plated
  • Includes drain plug/washer/gasket
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1978 Cadillac Fleetwood Transmission Parts

You count on your 1978 Cadillac Fleetwood to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Transmission Parts. With 80 Transmission Parts ranging in price from $1.99 to $850.99, you’re sure to find everything you need for your 1978 Cadillac Fleetwood.

Brands matter. If you want to shop a specific Transmission Parts brand, we stock 16 different brands like National, Imperial, and Permatex. 1978 Cadillac Fleetwood Transmission Parts start as low as $1.99!

One of the best ways to find top quality OEM or aftermarket Transmission Parts is by asking professionals. Short of that, you can shop with confidence thanks to our 2,035 extensive product reviews on 1978 Cadillac Fleetwood Transmission Parts. Some of the top-rated Transmission Parts products we carry are Multi Purpose Seal with 4.4 stars and Econo-Kool® Transmission Oil Cooler with 4.7 stars.

Did we mention you can order your Transmission Parts from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Transmission Parts inventory for your 1978 Cadillac Fleetwood below to get started!

Top-Rated Transmission Parts Brands For Your 1978 Cadillac Fleetwood

Trusted Transmission Parts OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 1978 Cadillac Fleetwood running right for years to come. In our inventory you’ll find brands like National, Imperial, Permatex, and even more.

Popular Dorman Transmission Parts

You’ll find popular Dorman brand products across Transmission Connectors. All are waiting to get your 1978 Cadillac Fleetwood back on the road. Some of the top-rated Dorman products in these categories are:
Transmission Line Connector
from $11.49
(1)
Transmission Line Connector
Automatic Transmission Line Connectors

FAQs for 1978 Cadillac Fleetwood Transmission Parts

What are the most purchased Transmission Parts for the 1978 Cadillac Fleetwood?

Out of 80 Transmission Parts for the 1978 Cadillac Fleetwood, the most popular in our inventory are:
Ultra Grey RTV Silicone Gasket Maker, 3 OZ
from $11.49
(95)
Ultra Grey RTV Silicone Gasket Maker, 3 OZ
Transmission Pan Gaskets
Bearings
from $14.99
(21)
Bearings
Manual Transmission Output Shaft Bearings
Cylindrical Bearing
from $22.99
(20)
Cylindrical Bearing
Axle Output Shaft Bearings

What are the top-rated 1978 Cadillac Fleetwood Transmission Parts?

Top-rated Transmission Parts for your 1978 Cadillac Fleetwood based on customer reviews/ratings are:
Multi Purpose Seal
from $6.99
(20)
Multi Purpose Seal
“Would have been fine most likely – if correct seal was in the box. For redoing a Front Crank Seal on a 4 cylinder 89 Ranger.”
Econo-Kool® Transmission Oil Cooler
from $65.99
(11)
Econo-Kool® Transmission Oil Cooler
“In the instructions, a fitting kit #252 was required for my particular truck. It was wrong…#395 was the correct kit. Folks at Imperial advised me of”
Automatic Shifter, Z-Gate
from $272.99
(11)
Automatic Shifter, Z-Gate
“Good Product, Great For The Price”