1999 Cadillac DeVille Transmission Parts

Essential Transmission Parts for 1999 Cadillac DeVilles

GM Genuine Parts – Multi-Purpose Pigtail Kit (Part No.PT3786)

Multi-Purpose Pigtail Kit

from

$25.99
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
See More

Dorman – Transmission Oil Cooler Line: Exact Fit, Metal/Rubber (Part No.624-136)

Transmission Oil Cooler Line: Exact Fit, Metal/Rubber

from

$50.99
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
See More

ATP – AT PRESS SW MANIFOLD (Part No.JE-9)

AT PRESS SW MANIFOLD

from

$79.99
AT PRESS SW MANIFOLD

Anchor – Transmission Mount: Rear, Left, Right, 1 Piece (Part No.2374)

Transmission Mount: Rear, Left, Right, 1 Piece

from

$12.99
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 73-76; CADI 77-96; OLDS 71-76; PONT 71-80;. 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: 1971-1996
  • Weight approx: 2 Lbs
See More

GM Genuine Parts – Multi-Purpose Pigtail (Part No.PT1031)

Multi-Purpose Pigtail

from

$104.99
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
See More

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

AT FRT PUMP BUSHING

from

$10.99
AT FRT PUMP BUSHING

Carquest Premium – Automatic Transmission Speed Sensor (Part No.SBA3951)

Automatic Transmission Speed Sensor

from

$83.99
Carquest Premium vehicle speed sensors are designed to perform in harsh environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium vehicle speed sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Each vehicle speed sensor undergoes extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium speed sensors are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • O-rings or seals are included (where applicable)
  • Magnet size and strength optimized for precise signal output.
  • Weather-tight connectors prevent leaks and corrosion for longer life
  • Extensive design validation testing and 100% end-of-line tested
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
See More

Pro-King – Automatic Transmission Basic Rebuild Kit (Part No.KB-828)

Automatic Transmission Basic Rebuild Kit

from

$93.99
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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Dorman – Transmission Connector M18x1.5 (Part No.800-721)

Transmission Connector M18x1.5

from

$21.99
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
See More

Carquest Premium – Repair Harness (Part No.PTC1522)

Repair Harness

from

$109.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More

GM Genuine Parts – Multi-Purpose Pigtail (Part No.PT1626)

Multi-Purpose Pigtail

from

$65.99
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
See More

National – Multi-Purpose Seal (Part No.714679)

Multi-Purpose Seal

from

$14.99
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; single-lip
  • Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
  • Resistance to EP lubricants
  • Low swell in hydrocarbon fluids
  • Delivers quality and reliable performance for every type of repair
See More

Carquest Premium – Multi-Use Connector (Part No.PTA1078)

Multi-Use Connector

from

$31.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More

ATP – AT CONTR SOLENOID (Part No.JE-8)

AT CONTR SOLENOID

from

$66.99
AT CONTR SOLENOID

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

Econo-Kool Transmission Oil Cooler

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
See More

Carquest Premium – Multi-Use Connector (Part No.PTA1142)

Multi-Use Connector

from

$45.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More

ATP – AT OIL PAN GASKET (Part No.SG-30)

AT OIL PAN GASKET

from

$13.99
AT OIL PAN GASKET

Dorman – EZ Drain Engine Oil Drain Plug: M12-1.75 Thread, 21 mm Head, 1 Pack (Part No.092-018)

EZ Drain Engine Oil Drain Plug: M12-1.75 Thread, 21 mm Head, 1 Pack

from

$17.49
Ditch the wrenches and rags and get this Dorman Twist Drain oil drain plug. It’s specially designed to simplify changing your oil by replacing your factory plug with a tool-free, clean and easy solution. Just push, twist and drain. It also features a custom tapered O-ring that ensures a leak-proof seal, and is finished with electrophoresis and anodization for rust resistance.

Product Features:
  • Simplifies service – this trademark Dorman Twist Drain plug replaces the original equipment oil drain plug and allows for cleaner and easier oil changes
  • Tool-free solution – eliminates need for wrench to drain oil pan; simply push, twist and drain
  • Leak resistant – proprietary inner seal handles high pressure and temperature to prevent leaks
  • Corrosion resistant – specially coated to avoid rust for a long service life
See More

Felpro – Automatic Transmission Side Cover Gasket (Part No.TOS 18669)

Automatic Transmission Side Cover Gasket

from

$23.49
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
See More

FAG US – Shaft Seal (Part No.SS2114)

Shaft Seal

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
See More

Carquest Premium – Automatic Transmission Speed Sensor (Part No.SBA3728)

Automatic Transmission Speed Sensor

from

$75.99
Carquest Premium vehicle speed sensors are designed to perform in harsh environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium vehicle speed sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Each vehicle speed sensor undergoes extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium speed sensors are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • O-rings or seals are included (where applicable)
  • Magnet size and strength optimized for precise signal output.
  • Weather-tight connectors prevent leaks and corrosion for longer life
  • Extensive design validation testing and 100% end-of-line tested
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
See More

Carquest Premium – Vehicle Speed Sensor (Part No.SBA3709)

Vehicle Speed Sensor

from

$30.99
Carquest Premium vehicle speed sensors are designed to perform in harsh environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium vehicle speed sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Each vehicle speed sensor undergoes extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium speed sensors are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • O-rings or seals are included (where applicable)
  • Magnet size and strength optimized for precise signal output.
  • Weather-tight connectors prevent leaks and corrosion for longer life
  • Extensive design validation testing and 100% end-of-line tested
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
See More

Felpro – Transmission Oil Pan Gasket 11 Bolt Hole One Piece Gasket (Part No.TOS 18648)

Transmission Oil Pan Gasket 11 Bolt Hole One Piece Gasket

from

$8.99
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
See More

Mr. Gasket – Automatic Transmission Oil Pan Gasket (Part No.8690)

Automatic Transmission Oil Pan Gasket

from

$26.99
Made from cork/neoprene gasket material which features excellent compressibility and high recovery to create a positive seal.

Product Features:
  • High density cork-nitrile rubber blend
  • Excellent compressibility and high recovery to create a positive seal
  • Excellent Compressibility
See More

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

Transmission Oil Cooler Reinstallation Kit

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
See More

Dorman – Transmission Oil Cooler Line: Exact Fit, Metal (Part No.624-027)

Transmission Oil Cooler Line: Exact Fit, Metal

from

$15.49
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
See More

Driveworks – Oil Seal (Part No.S-710096)

Oil Seal

from

$10.49
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

National – Multi-Purpose Seal (Part No.3543)

Multi-Purpose Seal

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: -80 Deg. F to 350 Deg. F / -62 Deg. C to 176 Deg. C
  • Good dry heat resistance
  • Excellent low temperature capability
  • Delivers quality and reliable performance for every type of repair
See More

Upgrade your 1999 Cadillac DeVille with Top-Quality Transmission Parts

When it comes to maintaining or upgrading your 1999 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 49 Transmission Parts for the 1999 Cadillac DeVille, designed to meet your needs without breaking the bank. From Transmission Mount 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 1999 Cadillac DeVille at great prices. Our Transmission Parts inventory for this model ranges from just $4.49 to $1,049.99, with an average price of $73.55. Our 49 Transmission Parts in stock come from 11 trusted brands, so you’re sure to find the right part for your 1999 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 1999 Cadillac DeVille, we stock popular OEM and aftermarket Transmission Parts from top names like National, Dorman, Imperial, and more. National Transmission Parts start at just $6.99 and boast an impressive 4.3 stars average rating from customers. Dorman and Imperial also bring quality to the table, with Transmission Parts available starting at $7.99, and at an average 4.2 stars rating. With 156 customer reviews and counting, our 1999 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, Oil and Lubricants and more to make sure your 1999 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 1999 Cadillac DeVille!

Best-Selling Transmission Mounts for 1999 Cadillac DeVilles

Enhance the driving experience in your Cadillac with 2 quality Transmission Mount components, starting at $36.49.

Anchor – Transmission Mount: Right, 1 Piece (Part No.2837)

Transmission Mount: Right, 1 Piece

from

$36.49
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 93-02;. 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: 1993-2002
  • Weight approx: 4 Lbs
  • HYDRAULIC
See More

Anchor – Transmission Mount: Left, 1 Piece (Part No.2932)

Transmission Mount: Left, 1 Piece

from

$84.99
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 97-02;. 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: 1997-2002
  • Weight approx: 2 Lbs
  • HYDRAULIC
See More

Most Popular 1999 Cadillac DeVille Transmission Seals

Customize your Cadillac with 5 Transmission Seals products like Transmission Seals and O-rings, Automatic Transmission Output Shaft Seals, and Miscellaneous Shift Shaft Seals, all priced under $14.99.

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

Multi Purpose Seal

from

$6.99
Product Features:
  • Design type: springless; single-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
See More

National – Multi-Purpose Seal (Part No.714679)

Multi-Purpose Seal

from

$14.99
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; single-lip
  • Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
  • Resistance to EP lubricants
  • Low swell in hydrocarbon fluids
  • Delivers quality and reliable performance for every type of repair
See More

Driveworks – Auto Transmission Output Shaft Seal (Part No.S-4674-N)

Auto Transmission Output Shaft Seal

from

$4.49
Product Features:
  • Brand may vary by location
See More

Driveworks – Auto Transmission Output Shaft Seal (Part No.S-714679)

Auto Transmission Output Shaft Seal

from

$8.99
Product Features:
  • Brand may vary by location
See More

FAG US – Shaft Seal (Part No.SS2114)

Shaft Seal

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
See More

Top Picks for 1999 Cadillac DeVille Transmission Cooler and Parts

Upgrade Cadillac DeVilles with top-quality Transmission Cooler and Parts parts, including 11 OEM and aftermarket selections for your 1999 model.

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

High Performance Transmission Oil Cooler

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
See More

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

Maxi-Kool® XL Transmission Oil Cooler

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
See More

Imperial – Plate and Fin Style Transmission Cooler, Light Duty, 3/4" x 5-7/8" x 11" (Part No.243006)

Plate and Fin Style Transmission Cooler, Light Duty, 3/4" x 5-7/8" x 11"

from

$61.99
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 6″
  • Sub-compact to compact cars
  • GVWR up to 18,000 lbs.
  • Compatible with OEM cooler systems
  • Compatible with OEM cooler systems
  • Ultrasonically soldered for reliability
  • 100% pressure testing to 150 PSI for quality assurance
  • High efficiency turbulators
See More

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

Econo-Kool Transmission Oil Cooler

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
See More

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

Plate and Fin Style Transmission Cooler, Heavy Duty, 3/4" x 9-1/2" x 11"

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

Econo-Kool® Transmission Oil Cooler

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

High Performance Transmission Oil Cooler

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

Transmission Oil Cooler Reinstallation Kit

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

High Performance Transmission Oil Cooler

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
See More

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

Econo-Kool Transmission Oil Cooler

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
See More

Dorman – Transmission Oil Cooler Line: Exact Fit, Metal/Rubber (Part No.624-456)

Transmission Oil Cooler Line: Exact Fit, Metal/Rubber

from

$39.99
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
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In-Demand Automatic Transmission Parts for 1999 Cadillac DeVilles

Select from 5 premium Automatic Transmission Parts parts for your 1999 Cadillac DeVille, with prices ranging from $10.99 to $93.99.

Dorman – Help – Brake and Clutch Bushings (Part No.74016)

Brake and Clutch Bushings

from

$10.99
This brake pedal 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.

Product Features:
  • Direct replacement – this brake pedal bushing matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this bushing is a reliable replacement for an original part that has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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ATP – AT CONTR SOLENOID (Part No.JE-8)

AT CONTR SOLENOID

from

$66.99
AT CONTR SOLENOID

ATP – AT CONTR SOLENOID (Part No.JE-14)

AT CONTR SOLENOID

from

$93.99
AT CONTR SOLENOID

Dorman – Transmission Oil Cooler Line: Exact Fit, Metal/Rubber (Part No.624-136)

Transmission Oil Cooler Line: Exact Fit, Metal/Rubber

from

$50.99
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
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Carquest Premium – Automatic Transmission Control Solenoid (Part No.SBA4952)

Automatic Transmission Control Solenoid

from

$38.99
An automatic transmission is a hydraulic multi-speed device that does not require any input from the vehicle operator other than selecting vehicle direction. Hydraulic pressure is controlled by a series of electronic shift solenoids that are commanded by the transmission control module. Planetary gear sets and hydraulically controlled shift plates and brake bands apply power to the main shaft in the transmission and out to the vehicles drive wheels.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Precision-wound coated copper windings increase product durability and life cycle.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure product reliability, every time.
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Most Sold 1999 Cadillac DeVille Automatic Transmission Pan and Gaskets

Explore our best-selling Cadillac parts for the 1999 DeVille among 4 OEM and aftermarket options starting from $14.99.

Dorman – EZ Drain Engine Oil Drain Plug: M12-1.75 Thread, 21 mm Head, 1 Pack (Part No.092-018)

EZ Drain Engine Oil Drain Plug: M12-1.75 Thread, 21 mm Head, 1 Pack

from

$17.49
Ditch the wrenches and rags and get this Dorman Twist Drain oil drain plug. It’s specially designed to simplify changing your oil by replacing your factory plug with a tool-free, clean and easy solution. Just push, twist and drain. It also features a custom tapered O-ring that ensures a leak-proof seal, and is finished with electrophoresis and anodization for rust resistance.

Product Features:
  • Simplifies service – this trademark Dorman Twist Drain plug replaces the original equipment oil drain plug and allows for cleaner and easier oil changes
  • Tool-free solution – eliminates need for wrench to drain oil pan; simply push, twist and drain
  • Leak resistant – proprietary inner seal handles high pressure and temperature to prevent leaks
  • Corrosion resistant – specially coated to avoid rust for a long service life
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Felpro – Transmission Oil Pan Gasket 16 Bolt Hole One Piece Gasket (Part No.TOS 18722)

Transmission Oil Pan Gasket 16 Bolt Hole One Piece Gasket

from

$29.99
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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ATP – REUSABLE AT PAN GSKT (Part No.JG-137)

REUSABLE AT PAN GSKT

from

$64.99
REUSABLE AT PAN GSKT

Felpro – Automatic Transmission Side Cover Gasket (Part No.TOS 18725)

Automatic Transmission Side Cover Gasket

from

$14.99
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
See More

Top-Rated Transmission Parts Brands For Your 1999 Cadillac DeVille

Shop for the best-rated brands offering Transmission Parts and other products for your 1999 Cadillac DeVilles. Below you’ll find some of our best rated Transmission Parts from National, Dorman, and Imperial, and more. Transmission Parts from these brands that fit a 1999 DeVille start at just $6.99 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 1999 Cadillac DeVille Transmission Parts

When it comes to maintaining or upgrading your 1999 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 1999 Cadillac DeVille. With over 2 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 $6.99, with an average price of just $10.99. Plus, with over 23 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.
Multi-Purpose Seal
from $14.99
(3)
Multi-Purpose Seal
“Output shaft seal / my car is a 2001 Eldorado when I pulled out the old seal,it was the identical part!…the seal lasted 16 years and 150,000miles..”
Multi Purpose Seal
from $6.99
(20)
Multi Purpose Seal
“Happy”

Popular Dorman 1999 Cadillac DeVille Transmission Parts

Dorman auto parts is one of the highest quality Transmission Part brands in the market. Any 1999 Cadillac DeVille owner should feel confident when installing genuine Dorman parts in their vehicle. To ensure the best fit and performance for your 1999 DeVille, Advance Auto Parts carries a full inventory of 1 Dorman Transmission Parts. Plus you will be keeping your Cadillac in peak condition while saving money because prices on these Dorman Transmission Parts range up to $7.99, plus, with more than 16 customer reviews and an impressive 4.2 stars average rating, you can be confident the Fram Transmission Parts below will deliver on both quality and value.
Transmission Line Connector with 3/8 Tube X 5/8-18 In. Thread
from $7.99
(16)
Transmission Line Connector with 3/8 Tube X 5/8-18 In. Thread
“Great product with great value”

FAQs for 1999 Cadillac DeVille Transmission Parts

Which Transmission Parts are best-sellers for 1999 Cadillac DeVilles?

Out of 49 Transmission Parts that fit 1999 Cadillac DeVilles, the following parts are the top sellers:

What’s the price range for 1999 Cadillac DeVille Transmission Parts?

Transmission Part prices for the 1999 Cadillac DeVille start at $4.49 and go up to $1,049.99 for the most premium parts.

What’s the average price of a Transmission Part for a 1999 Cadillac DeVille?

The average price for Transmission Parts for the 1999 Cadillac DeVille is $73.55. 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, 1998, 1997, and 1996.

What are the cheapest Transmission Parts for my 1999 Cadillac DeVille?

The cheapest 1999 Cadillac DeVille Transmission Parts we carry in stock are:

What are the top-rated Transmission Parts that fit the 1999 Cadillac DeVille?

Out of 156 reviews by customers, our 1999 Cadillac DeVille Transmission Parts have an average customer rating of . These are some of the highest-rated Transmission Part types for the 1999 Cadillac DeVille and their top-rated products:

What types of Transmission Parts do you sell for my 1999 Cadillac DeVille?

As of 11/2/25, these are some of the most in-demand types of Transmission Parts for a 1999 Cadillac DeVille:

Can I get help with 1999 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.