1973 Cadillac DeVille Transmission Parts

Below you will find various in-demand Cadillac Transmission Parts, components and accessories for your 1973 DeVille. Advance Auto Parts has popular DeVille parts like Transmission Cooler and Parts, Transmission Seals, Transmission Bearings and more. You’ll also find aftermarket and OEM Transmission Parts for other DeVille model years including 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 and more. Select a category of 1973 Cadillac DeVille Transmission Parts below and start saving instantly.

Popular 1973 Cadillac DeVille Transmission Parts Categories

Gear Shift Levers

Transmission Torque Converters

OE Transmission Coolers

Transmission Oil Cooler Lines

Transmission Shift Cables

Automatic Transmission Governors

Manual Transmission Output Shaft Bearings

Transmission Pan Gaskets

Transmission Mounts

Transmission Master Repair Kits

Transmission Rebuild Kits

Transmission Oil Pan Gaskets

Transmission Dipsticks

Automatic Transmission Differential Bearings

Transmission Bushings

Transmission Modulator Valves

Pinion Seals

Miscellaneous Shift Shaft Seals

Transmission Seals and O-rings

Automatic Transmission Kickdown Cable Brackets

Torque Converter Seals

Extension Housing Seals

Manual Transmission Output Shaft Seals

Transmission Shift Kits

Automatic Transmission Selector Shaft Seals

Miscellaneous Transmission Bearings

Automatic Transmission Fluid Filler Tube Seals

Automatic Transmission Oil Pump O-Rings

Automatic Transmission Shifter Cable Brackets

Automatic Transmission Friction Discs

Manual Transmission Output Shaft Seal Kits

Transmission Kick-Down Switch

Essential Transmission Parts for 1973 Cadillac DeVilles

from

$10.99

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$472.99

The Original 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, a reverse lockout feature that only requires one hand to operate, and complies with NHRA/IHRA safety rules. Then add the billet aluminum shift handle with classic white shift knob, lightweight aluminum trigger and finish it off with a brushed aluminum cover with quick release pins, and you end up with one good looking bullet-proof race shifter. Optional Forward and Reverse shift pattern gate plates are available for most popular 2, 3 and 4-speed transmissions. This model Pro Stick comes out of the box ready for action for most popular 3-speed transmissions, includes a 5-foot Super Duty shift cable, brackets, levers, hardware and detailed instructions for an easy installation. Be sure to check out all the optional Magnum Grip side grip plates including the one and two button 12-volt momentary switches or any of the other accessories we offer for the Pro Stick in the Shifter Accessories section. Notes: AOD requires installation kit #40496, AODE & 4R70W requires installation kit #40504, E40D & 4R100 requires installation kit #40505, 2004R & 700R4 require gate plate #80712, 4L60E – 4L85E equipped with PRNDL switch requires cable bracket kit #70499 and gate plate #80712. Overall Dimensions – 8.25L x 2.92W x 9.25H

Product Features:

All One-Handed
Reverse Lockout Meets NHRA And IHRA Requirements
Mount Directly To Floor/Chassis/Or w/Quick Release
Ultimate For Powerglide Applications
Lightweight Brushed Alum. Cover
Cover Removed Quickly and Easily
Includes 5 Ft. Super Duty Race Cable
Quick Change Plate Design

from

$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:

Design type: spring loaded; multi-lip
Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
Good low temperature capability
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$11.99

AT FRT PUMP BUSHING

from

$124.99

What better way to check you oil level by using one of B&M’s transmission fluid dipsticks? The cap screws into the tube and is O-ring sealed, while the base of the tube has a sealing grommet where it goes into the transmission.

Product Features:

Automatic Transmission Dip Stick

from

$55.99

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:

Imperial Econo-Kool tube and fin transmission cooler
Size: 3/4″ x 5″ x 15-7/8″
Compact and mid-size cars
GVWR up to 16,000 lbs.; towing up to 2,500 lbs.
Compatible with OEM cooler systems
Ultrasonically soldered for reliability
100% pressure testing to 150 PSI for quality assurance
High efficiency turbulators
Compatible with OEM cooler systems
Ultrasonically soldered for reliability
100% pressure testing to 150 PSI for quality assurance
High efficiency turbulators

from

$3.99

AT SOLENOID SEAL

from

$18.99

The purpose of the mount is to support the engine and transmission on the chassis and dampen vibration and noise from reverberating to the rest of the vehicle. Engine and Transmission Mounts are engineered and manufactured to meet or exceed OEM specifications using the latest CAD/CAM engineering process to ensure superior quality, form, fit and function. Only premium quality materials are used in the manufacturing process to guarantee precise performance and maximum durability. Applicable to BUIC 85-91; CADI 88-90; OLDS 85-91; PONT 87-91;. Please verify your application.

Product Features:

MAXIMUM LIFE & PERFORMANCE: Both natural and SBR (Styrene Butadiene) rubber provide good abrasion resistance and aging stability to ensure maximum life and performance.
MEETS OR EXCEEDS DUROMETER MEASUREMENTS: All rubber material is manufactured to specific Durometer (hardness) measurements based on the vehicle’s application requirements.
HARDENED STEEL FASTENERS: All fasteners are made of hardened steel with heat treated Grade #5 bolts.
SUPERIOR BOND: A special Chemlock® bonding agent is used to ensure a superior rubber-to-metal bond.
HYDRAULIC MOUNT DESIGN: Hydraulic Mounts (applicable where OE) are designed for most front wheel drive vehicles because transverse drive train mounting.
For Years: 1985-1991
Weight approx: 4 Lbs
HYDRAULIC

from

$14.99

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

Product Features:

CONSISTENT PERFORMANCE — Matched cup and cone components ensure consistent performance
PREMIUM MATERIALS — Precision manufactured using premium-grade steel for outstanding durability and performance
SMOOTH ROTATION — Crowned raceways and rollers for even load distribution
OE-STYLE DESIGN — Engineered to meet OE specifications
COMPREHENSIVE COVERAGE — Industry-leading coverage for domestic and import applications
RIGOROUS TESTING — Comprehensive testing throughout design and development processes by National engineers for quality you can count on

from

$19.99

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.

from

$24.99

AT CLUTCH PLATE

from

$48.99

AT MODULATOR VALVE

from

$8.99

AT OIL PUMP ORING

from

$499.99

A B&M transmission in a box! Transform your automatic transmission into a full-tilt B&M performer! This is our ultimate transmission kit – it comes complete with full instructions on how to assemble your transmission to B&M specifications.

Product Features:

High Perf. Friction Materials
Complete Overhaul Gasket Set
Modification Components
Replacement Valves
Replacement Springs
Drain Plug Kit Included

from

$8.99

AT SEL SHAFT SEAL

from

$16.99

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:

Design type: spring loaded; multi-lip
Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
Good low temperature capability
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$20.49

Design type: spring loaded; multi-lip
Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
Good low temperature capability
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$599.99

Nitrous Holeshot Converters are Built with the same features as the other B&M Holeshots, with the addition of anti-balloon plates. The anti-balloon plates will allow these converters to stand up to the instant horsepower nitrous delivers. Due to torque converter core availability, the actual converter size may vary but performance functionality will be as advertised.

Product Features:

2300-2500 RPM
Small And Big Blocks
Mild To Serious Performance
Furnace Brazed
Fully Balanced

from

$64.99

REUSABLE AT PAN GSKT

from

$48.99

This automatic transmission oil cooler hose assembly is designed to match the fit and function of an original assembly. It is engineered from durable components as a reliable replacement for leaking or damaged lines on specified vehicles.

Product Features:

Direct replacement – this automatic transmission oil cooler hose assembly is designed to match the fit and function of the original equipment assembly on specified vehicle makes, models and years
Ideal solution – engineered to help ensure proper transmission cooling when the original assembly is leaking or has failed from corrosion, collision, vibration, or fitting damage
Durable construction – made of quality materials for reliable performance and long service life
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

from

$11.99

Design type: spring loaded; multi-lip
Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
Good low temperature capability
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$7.49

Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.

Product Features:

High-precision and High-quality components used in all KITs
Coverage of classic and new high-tech solutions for the best system coverage

from

$85.99

Transhift cables connect the transmission selector lever/shifter to the transmission linkage. Old cables can bind, break, or just become sluggish. The best repair is to replace the old cable with a new one. ATP Transhift cables are designed to fit and function just like the original part to ensure durability and long life.

Product Features:

Includes brackets, grommets, etc to match original
Installs just like the original part

from

$125.99

This kit allows you to adjust the shift points of your transmission after it is installed in your vehicle. The Governor Recalibration Kit is very useful if you have a vehicle that is very light; has a low rear-end gear ratio.

Product Features:

Adjust Shift Points Of Transmission
Useful For Light Vehicles
For Low Rear End Gear Ratio
Or Useful If It Is Conversion

from

$7.99

Product Features:

Brand may vary by location

from

$33.99

Cable Bracket, GM APPLICATION: For TH400, 350, 250, 200, 700R4, 2004R transmissions.

Product Features:

Shifter Service Parts

from

$54.99

This replacement transmission oil pan is a direct replacement for a damaged original equipment transmission pan. Made of quality materials, it’s designed for reliable, leak-free service.

Product Features:

Ideal replacement – this transmission oil pan matches the fit and function of the original pan for a trouble-free replacement
Durable construction – this transmission oil pan is made of quality materials for durability and leak-free performance
Cost-effective solution – offers original equipment performance at competitive price
Quality tested – this part has undergone try-on testing to ensure a quality fit

from

$12.29

AT EXT HOUSING SEAL

Upgrade your 1973 Cadillac DeVille with Top-Quality Transmission Parts

When it comes to maintaining or upgrading your 1973 Cadillac DeVille, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Cadillac or enhancing its overall performance, Transmission Parts are key to keeping your DeVille functioning at its best. At Advance Auto Parts, we offer a wide selection of 79 Transmission Parts for the 1973 Cadillac DeVille, designed to meet your needs without breaking the bank. From Transmission Cooler and Part replacements to Transmission Seals upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Transmission Parts for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Transmission Parts for your 1973 Cadillac DeVille at great prices. Our Transmission Parts inventory for this model ranges from just $3.99 to $1,299.99, with an average price of $210.19. Our 79 Transmission Parts in stock come from 12 trusted brands, so you’re sure to find the right part for your 1973 Cadillac DeVille without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 1973 Cadillac DeVille, we stock popular OEM and aftermarket Transmission Parts from top names like National, B & M, Imperial, and more. National Transmission Parts start at just $9.99 and boast an impressive 4.3 stars average rating from customers. B & M and Imperial also bring quality to the table, with Transmission Parts available starting at $47.99, and at an average 4.1 stars rating. With 217 customer reviews and counting, our 1973 Cadillac DeVille Transmission Parts have a strong track record of reliability, ensuring you can trust your purchase.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Transmission Part upgrades. Explore related part types like Batteries and Chargers, Fluids and Chemicals and more to make sure your 1973 Cadillac DeVille is always ready to roll. We’re committed to providing you with everything you need to keep your DeVille in top shape, all in one place. Start shopping confidently below for your 1973 Cadillac DeVille!

Best-Selling Transmission Cooler and Parts for 1973 Cadillac DeVilles

Enhance the driving experience in your Cadillac with 10 quality Transmission Cooler and Part components, starting at $25.99.

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from

$85.99

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:

Imperial high-performance transmission cooler
Size: 3/4″ x 10″ x 15-7/8″
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
SAE 45 degree fittings for maximum reliability
Electrostatically powder coated to prevent corrosion
All aluminum lightweight construction

from

$73.99

Product Features:

Imperial Maxi-Cool« plate and fin transmission cooler
Size: 3/4″ x 11″ x 7-1/2″
Mid-size and full-size cars, pickups
GVWR up to 20,000 lbs.; towing up to 2,500 lbs.
Compatible with OEM cooler systems
Made with the highest quality materials
100% pressure testing to 150 PSI for quality assurance
33% more efficient than a comparable tube and fin design

from

$85.99

The Imperial Maxi-Cool XL’s plate and fin design offer excellent cooling efficiency in a compact, space-efficient design.

Product Features:

Class “A” motor homes, large travel trailers, 5th-wheel trailers
GVWR up to 30,000 lbs.; towing up to 10,000 lbs.
Compatible with OEM cooler systems
33% more efficient than a comparable tube and fin design

from

$65.99

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:

Imperial Econo-Kool tube and fin transmission cooler
Size: 3/4″ x 10″ x 15-7/8″
Class “A” motor homes, large travel trailers, 5th-wheel trailers
GVWR up to 26,000 lbs.; towing up to 10,000 lbs.
Compatible with OEM cooler systems
Ultrasonically soldered for reliability
100% pressure testing to 150 PSI for quality assurance
High efficiency turbulators
Compatible with OEM cooler systems
Ultrasonically soldered for reliability
100% pressure testing to 150 PSI for quality assurance
High efficiency turbulators

from

$80.99

The Imperial Maxi-Cool XL’s plate and fin design offer excellent cooling efficiency in a compact, space-efficient design.

Product Features:

Imperial Rapid-Cool plate and fin transmission cooler
Size: 3/4″ x 11″ x 9-1/2″
Pickup trucks and vans, class “C” motor homes, travel trailers to 24′
GVWR up to 24,000 lbs.; towing up to 5,000 lbs.
33% more efficient than a comparable tube and fin design
Compatible with OEM cooler systems
Made with the highest quality materials
100% pressure testing to 150 PSI for quality assurance
33% more efficient than a comparable tube and fin design

from

$52.99

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:

Mid-size and full-size cars, pickups
GVWR up to 18,000 lbs.; towing up to 3,500 lbs
Compatible with OEM cooler systems
Ultrasonically soldered for reliability
100% pressure testing to 150 PSI for quality assurance
High efficiency turbulators
Compatible with OEM cooler systems
Ultrasonically soldered for reliability
100% pressure testing to 150 PSI for quality assurance
High efficiency turbulators

from

$83.99

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:

Imperial high-performance transmission cooler
Size: 3/4″ x 7-1/2″ x 15-7/8″
SAE 45-degree fittings for maximum reliability
Electrostatic powder-coated to prevent corrosion
Up to Class C motorhomes, towing up to 5,000 pounds
SAE 45 degree fittings for maximum reliability
Electrostatically powder coated to prevent corrosion
All aluminum lightweight construction

from

$25.99

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

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
Made of high grade nylon for easy installation
Removable buttons for cooler/fan relocation
Made for both transmission coolers and electric fan installation
Comes with Quick Connect coupler

from

$67.99

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

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
SAE 45 degree fittings for maximum reliability
Electrostatically powder coated to prevent corrosion
All aluminum lightweight construction

from

$65.99

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:

Imperial Econo-Kool tube and fin transmission cooler
Size: 3/4″ x 7-1/2″ x 15-7/8″
Pickup trucks and vans, class “C” motor homes, travel trailers to 24′
GVWR up to 22,000 lbs.; towing up to 5,000 lbs.
Compatible with OEM cooler systems
Ultrasonically soldered for reliability
100% pressure testing to 150 PSI for quality assurance
High efficiency turbulators
Compatible with OEM cooler systems
Ultrasonically soldered for reliability
100% pressure testing to 150 PSI for quality assurance
High efficiency turbulators

Top Picks for 1973 Cadillac DeVille Transmission Bearings

Upgrade Cadillac DeVilles with top-quality Transmission Bearings parts, including 4 OEM and aftermarket selections for your 1973 model.

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from

$14.99

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

Product Features:

CONSISTENT PERFORMANCE — Matched cup and cone components ensure consistent performance
PREMIUM MATERIALS — Precision manufactured using premium-grade steel for outstanding durability and performance
SMOOTH ROTATION — Crowned raceways and rollers for even load distribution
OE-STYLE DESIGN — Engineered to meet OE specifications
COMPREHENSIVE COVERAGE — Industry-leading coverage for domestic and import applications
RIGOROUS TESTING — Comprehensive testing throughout design and development processes by National engineers for quality you can count on

from

$7.99

Product Features:

Brand may vary by location

from

$44.99

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

Product Features:

BUILT TO LAST — Advanced heat treatment process for strength
PREMIUM MATERIALS — Precision manufactured using premium-grade steel for lasting performance and extended bearing life
RELIABLE PERFORMANCE — Element size and quantity are engineered to meet or exceed the load rating of OE bearings
COMPREHENSIVE COVERAGE — Industry-leading coverage for domestic and import applications
RIGOROUS TESTING — Comprehensive testing throughout design and development processes by National engineers for quality you can count on

from

$15.79

With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

Product Features:

High-precision and High-quality components used in all KITs
Coverage of classic and new high-tech solutions for the best system coverage

In-Demand Automatic Transmission Parts for 1973 Cadillac DeVilles

Select from 13 premium Automatic Transmission Parts parts for your 1973 Cadillac DeVille, with prices ranging from $3.99 to $125.99.

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from

$3.99

AT SOLENOID SEAL

from

$33.99

Cable Bracket, GM APPLICATION: For TH400, 350, 250, 200, 700R4, 2004R transmissions.

Product Features:

Shifter Service Parts

from

$34.49

Fully adjustable vacuum modulator to maintain accurate shift points.

Product Features:

Meets or exceeds OE fit, form and function

from

$33.99

Fully adjustable vacuum modulator to maintain accurate shift points.

Product Features:

Meets or exceeds OE fit, form and function

from

$48.99

B&M’s vacuum modulator is fully adjustable, this allows you to tailor your shift points to within a range of 2-4 mph. Comes preadjusted for normal shift points. For TH350 and TH400.

Product Features:

Fully Adjustable
Allows You To Tailor Shift Points
Comes Supplied Pre-Adjusted

from

$19.99

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.

from

$8.99

AT OIL PUMP ORING

from

$48.99

AT MODULATOR VALVE

from

$17.99

AT MODULATOR VALVE

from

$10.99

AT FRT PUMP BUSHING

from

$125.99

Adjust Shift Points Of Transmission
Useful For Light Vehicles
For Low Rear End Gear Ratio
Or Useful If It Is Conversion

from

$124.99

Automatic Transmission Dip Stick

from

$12.99

AT CLUTCH PLATE

Most Sold 1973 Cadillac DeVille Transmission Mounts

Explore our best-selling Cadillac parts for the 1973 DeVille among 1 OEM and aftermarket options starting from $11.99.

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from

$11.99

The purpose of the mount is to support the engine and transmission on the chassis and dampen vibration and noise from reverberating to the rest of the vehicle. Engine and Transmission Mounts are engineered and manufactured to meet or exceed OEM specifications using the latest CAD/CAM engineering process to ensure superior quality, form, fit and function. Only premium quality materials are used in the manufacturing process to guarantee precise performance and maximum durability. Applicable to CADI 68-76;. Please verify your application.

Product Features:

MAXIMUM LIFE & PERFORMANCE: Both natural and SBR (Styrene Butadiene) rubber provide good abrasion resistance and aging stability to ensure maximum life and performance.
MEETS OR EXCEEDS DUROMETER MEASUREMENTS: All rubber material is manufactured to specific Durometer (hardness) measurements based on the vehicle’s application requirements.
HARDENED STEEL FASTENERS: All fasteners are made of hardened steel with heat treated Grade #5 bolts.
SUPERIOR BOND: A special Chemlock® bonding agent is used to ensure a superior rubber-to-metal bond.
HYDRAULIC MOUNT DESIGN: Hydraulic Mounts (applicable where OE) are designed for most front wheel drive vehicles because transverse drive train mounting.
For Years: 1968-1976
Weight approx: 2 Lbs
OUTER CENTERLINE BOLT HOLES: 7.03 INCH / 178.56 MM
OUTER BOLT THREAD: 3/8-16
INNER CENTERLINE BOLT HOLES: 1.81 INCH / 45.97 MM

Top-Rated Transmission Parts Brands For Your 1973 Cadillac DeVille

Shop for the best-rated brands offering Transmission Parts and other products for your 1973 Cadillac DeVilles. Below you’ll find some of our best rated Transmission Parts from National, B & M, and Imperial, and more. Transmission Parts from these brands that fit a 1973 DeVille start at just $9.99 and are rated as high as 4.3 stars. OEM and aftermarket Transmission Parts don’t get more top quality, durable, and affordable than from the brands below.

Popular National 1973 Cadillac DeVille Transmission Parts

When it comes to maintaining or upgrading your 1973 Cadillac DeVille, using quality Transmission Parts is essential to ensure durability and a perfect fit. National ticks all of those boxes. We offer a wide selection of National Transmission Parts, specifically designed for the 1973 Cadillac DeVille. With over 3 National brand Transmission Parts in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $9.99, with an average price of just $21.99. Plus, with over 8 customer reviews and an average rating of 4.3 stars, you can trust that our National Transmission Parts will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.

from $9.99

(4)

Multi-Purpose Seal

“it worked”

from $43.99

(2)

Shaft Repair Sleeve

“As a mechanic I dont have time or money to waste on inferior products, which this is not. Great product,great price”

from $11.99

(2)

Multi-Purpose Seal

“Sealed tbe trams leak perfectly”

Popular B & M 1973 Cadillac DeVille Transmission Parts

B & M auto parts is one of the highest quality Transmission Part brands in the market. Any 1973 Cadillac DeVille owner should feel confident when installing genuine B & M parts in their vehicle. To ensure the best fit and performance for your 1973 DeVille, Advance Auto Parts carries a full inventory of 3 B & M Transmission Parts. Plus you will be keeping your Cadillac in peak condition while saving money because prices on these B & M Transmission Parts range from $47.99 to $549.99, plus, with more than 3 customer reviews and an impressive 4.1 stars average rating, you can be confident the Fram Transmission Parts below will deliver on both quality and value.

from $362.99

(1)

Automatic Shifter, Sport Shifter

“This is a sweetly made product with that hotrod look and feel.This shifter was easy to install and a knock out to drive.No down falls as far as I’m aw”

from $47.99

(1)

Shifter Accessories, Bracket and Lever Kit Fits TH400/TH350/TH250/200-4R/700R4

“Cable not perfectly straight. It is hard to believe as long as B&M and th400s have been around, that they do not line up better”

from $549.99

(1)

Tork Master 3000

“good parts and very strong”

FAQs for 1973 Cadillac DeVille Transmission Parts

Which Transmission Parts are best-sellers for 1973 Cadillac DeVilles?

Out of 79 Transmission Parts that fit 1973 Cadillac DeVilles, the following parts are the top sellers:

Multi-Purpose Bearing (3275833) – $14.99
Automatic Transmission Vacuum Modulator (5152976) – $34.49
Differential Pinion Seal (3267229) – $15.99

What’s the price range for 1973 Cadillac DeVille Transmission Parts?

Transmission Part prices for the 1973 Cadillac DeVille start at $3.99 and go up to $1,299.99 for the most premium parts.

What’s the average price of a Transmission Part for a 1973 Cadillac DeVille?

The average price for Transmission Parts for the 1973 Cadillac DeVille is $210.19. Keep in mind the variety of part types within our Transmission Part category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Transmission Parts for other Cadillac DeVille model years?

Yes, we currently carry Transmission Parts for 51 model years of Cadillac DeVilles between 1953 and 2005. Transmission Parts are bought most frequently for the following model years: 2005, 2004, 2003, 2002, 2001, 2000, 1999, 1998, and 1997.

What are the cheapest Transmission Parts for my 1973 Cadillac DeVille?

The cheapest 1973 Cadillac DeVille Transmission Parts we carry in stock are:

AT SOLENOID SEAL (11239035) – $3.99
Multi Purpose Seal (3271471) – $6.99
Shaft Seal (50206180) – $7.49
Tapered Roller Bearing (10659441) – $7.99
AT SEL SHAFT SEAL (11236282) – $8.99

What are the top-rated Transmission Parts that fit the 1973 Cadillac DeVille?

Out of 217 reviews by customers, our 1973 Cadillac DeVille Transmission Parts have an average customer rating of . These are some of the highest-rated Transmission Part types for the 1973 Cadillac DeVille and their top-rated products:

Transmission Cooler and Parts
- Maxi-Kool® XL Transmission Oil Cooler (12031443) – $73.99
- High Performance Transmission Oil Cooler (15230020) – $85.99
- Econo-Kool® Transmission Oil Cooler (20230020) – $52.99
Automatic Transmission Pan and Gaskets
- Maxi-Kool® XL Transmission Oil Cooler (12031443) – $73.99
- High Performance Transmission Oil Cooler (15230020) – $85.99
- Econo-Kool® Transmission Oil Cooler (20230020) – $52.99

What types of Transmission Parts do you sell for my 1973 Cadillac DeVille?

As of 11/2/25, these are some of the most in-demand types of Transmission Parts for a 1973 Cadillac DeVille:

Can I get help with 1973 Cadillac DeVille Transmission Part orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Cadillac Transmission Parts and more.

What is your return policy for Cadillac DeVille Transmission Parts?

Advance Auto Parts keeps returns simple. For new Cadillac DeVille Transmission Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

1973 Cadillac DeVille Transmission Parts

Driveworks – Taper Bearing Set (Part No.S-A-6)

B & M – Automatic Shifter, Pro Stick Shift with CVR (Part No.80706)

National – Multi-Purpose Seal (Part No.470059)

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

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

Imperial – Econo-Kool Transmission Oil Cooler (Part No.242010)

ATP – AT SOLENOID SEAL (Part No.JO-15)

Anchor – Transmission Mount: Rear Right, 1 Piece (Part No.2556)

National – Multi-Purpose Bearing (Part No.A-3)

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

ATP – AT CLUTCH PLATE (Part No.CC-22)

ATP – AT MODULATOR VALVE (Part No.JX-76)

ATP – AT OIL PUMP ORING (Part No.SO-21)

B & M – Transkit For 65-87 TH400 Transmission (Part No.20229)

ATP – AT SEL SHAFT SEAL (Part No.SO-19)

National – Multi-Purpose Seal (Part No.3896)

National – Multi-Purpose Seal (Part No.5208)

B & M – Torque Converter, Nitrous Holeshot 2400 (Part No.20480)

ATP – REUSABLE AT PAN GSKT (Part No.JG-137)

Dorman – Transmission Oil Cooler Line: Exact Fit, Metal/Rubber (Part No.624-034)

National – Multi-Purpose Seal (Part No.9449)

FAG US – Shaft Seal (Part No.SS2114)

ATP – Automatic Transmission Shifter Cable (Part No.Y-767)

B & M – Governor Recalibration Kit For TH-700R4, TH-400 and TH-350 Transmission (Part No.20248)

Driveworks – Tapered Roller Bearing (Part No.S-LM-603012)

B & M – Cable Bracket (Part No.30499)

Dorman – Transmission Oil Pan: Direct Fit, Steel, 12 Quart (Part No.265-808)

ATP – AT EXT HOUSING SEAL (Part No.HO-9)

Imperial – High Performance Transmission Oil Cooler (Part No.240516)

Imperial – Maxi-Kool® XL Transmission Oil Cooler (Part No.243007)

Imperial – Maxi-Kool XL Transmission Oil Cooler (Part No.243012)

Imperial – Econo-Kool Transmission Oil Cooler (Part No.241018)

Imperial – Plate and Fin Style Transmission Cooler, Heavy Duty, 3/4" x 9-1/2" x 11" (Part No.243008)

Imperial – Econo-Kool® Transmission Oil Cooler (Part No.242012)

Imperial – High Performance Transmission Oil Cooler (Part No.240514)

Imperial – Transmission Oil Cooler Reinstallation Kit (Part No.248002)

Imperial – High Performance Transmission Oil Cooler (Part No.240512)

Imperial – Econo-Kool Transmission Oil Cooler (Part No.242016)

National – Multi-Purpose Seal (Part No.9449)

ATP – AT SEL SHAFT SEAL (Part No.SO-19)

National – Multi Purpose Seal (Part No.8792S)

National – Differential Pinion Seal (Part No.2043)

National – Multi-Purpose Seal (Part No.5208)

ATP – AT EXT HOUSING SEAL (Part No.HO-9)

ATP – AT EXT HOUSING SEAL (Part No.HO-8)

ATP – AT EXT HOUSING SEAL (Part No.JO-57)

FAG US – Shaft Seal (Part No.SS2114)

National – Multi-Purpose Bearing (Part No.A-3)

Driveworks – Tapered Roller Bearing (Part No.S-LM-603012)

National – Multi-Purpose Bearing (Part No.305-DD)

FAG US – Cone (Part No.KM12649)

ATP – AT SOLENOID SEAL (Part No.JO-15)

B & M – Cable Bracket (Part No.30499)

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

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

B & M – Modulator (Part No.20234)

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

ATP – AT OIL PUMP ORING (Part No.SO-21)

ATP – AT MODULATOR VALVE (Part No.JX-76)

ATP – AT MODULATOR VALVE (Part No.JX-66)

ATP – AT FRT PUMP BUSHING (Part No.CB-4)

B & M – Governor Recalibration Kit For TH-700R4, TH-400 and TH-350 Transmission (Part No.20248)

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

ATP – AT CLUTCH PLATE (Part No.JC-57)

Anchor – Transmission Mount: Rear, 1 Piece (Part No.2320)