Cadillac STS Transmission Parts

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Essential Cadillac STS Transmission Parts

National – Multi-Purpose Bearing (Part No.A-16)

Multi-Purpose Bearing

from

$11.99
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
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Felpro – Transmission Oil Pan Gasket 22 Bolt Hole One Piece Gasket (Part No.TOS 18768)

Transmission Oil Pan Gasket 22 Bolt Hole One Piece Gasket

from

$28.49
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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Carquest Premium – Multi-Use Connector (Part No.PTA1089)

Multi-Use Connector

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$38.99
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
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Imperial – Mounting Kit System (Part No.226201)

Mounting Kit System

from

$11.99
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 mounting kit system
  • For installation of transmission coolers and electric fans
  • Provides quick, effective installation of Imperial products
  • Contains nylon mounting rods, foam pads and locking buttons
  • Aftermarket electric fan and cooler mounting rods
  • Made with the highest quality materials
  • Quality machined for durability
  • Removable buttons for relocation
  • Aftermarket electric fan and cooler mounting rods
  • Made with the highest quality materials
  • Quality machined for durability
  • Removable buttons for relocation
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Carquest Premium – Neutral Safety Switch (Part No.CSC1705)

Neutral Safety Switch

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$77.99
Carquest Premium Vehicle Solutions provides high-quality solutions for a wide range of applications. The Neutral Safety Switch prevents the engine from starting unless the transmission is in neutral or park, enhancing safety by reducing the risk of accidental movement while starting the vehicle. Engineered for maximum performance and durability, our products are built to excel in even the most demanding conditions, ensuring reliable operation and long-lasting value.

Product Features:
  • Durable Construction: Designed with high-quality materials to withstand harsh environmental conditions, ensuring long-lasting performance in extreme temperatures, vibrations, and moisture exposure.
  • Precision Engineering: Accurate sensing and switching capabilities provide reliable performance, reducing the risk of malfunctions and improving vehicle safety and efficiency.
  • Easy Installation & Maintenance: Designed for quick installation and minimal upkeep, reducing downtime and repair costs for both manufacturers and consumers.
  • Fit/Form/Function: Each vehicle electronic component is engineered to meet or surpass OEM standards, ensuring precise fit, optimal functionality, and reliable performance.
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Carquest Premium – Automatic Transmission Speed Sensor (Part No.SNA1197)

Automatic Transmission Speed Sensor

from

$46.99
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
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Dorman – Shift Linkage Repair Kit (OE Fix) (Part No.924-600)

Shift Linkage Repair Kit (OE Fix)

from

$39.99
When a shift linkage fails on certain vehicles, the dealership makes you buy an entire new shifter assembly. This Dorman OE FIX solution allows you to just repair the failed rod, saving money.

Product Features:
  • Direct replacement – this shift linkage repair kit allows you to directly fix the failed original components
  • Cost-effective solution – fixes a failed rod without buying a whole new shifter assembly
  • Restores shifting – solves common issue of deteriorated bushings causing difficulty shifting
  • Quality engineering – designed and tested in the United States
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Carquest – A/C Auto Temperature Control Relay (Part No.R3107)

A/C Auto Temperature Control Relay

from

$18.99
Product Features:
  • Our units are all pre-aligned & pre-adjusted to save installation time and ensure proper switching.
  • A lubricated felt pad that lubricates the cam lobes on the vehicles distributor. This reduces wear on the point set rubbing block, extending the usable life of the part.
  • Ventilated where available, tungsten contacts, which run cooler and exhibit less erosion.
  • The copper-alloy shunt provides superior resistance to breakage, due to the flexing of the moving arm on the point set. It also significantly increases current conductivity over typical steel, shunts.
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Victor Reinz – Transmission Oil Pan Gasket (Part No.71-17068-00)

Transmission Oil Pan Gasket

from

$44.49
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
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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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Carquest Premium – Automatic Transmission Speed Sensor (Part No.SNA1263)

Automatic Transmission Speed Sensor

from

$153.99
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
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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
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National – Multi-Purpose Seal (Part No.710533)

Multi-Purpose Seal

from

$13.99
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: -40 Deg. F to 400 Deg. F / -40 Deg. C to 204 Deg. C
  • Excellent high temperature capabilities
  • Compatible with wide range of fluids
  • Delivers quality and reliable performance for every type of repair
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Dorman – Remanufactured Transmission Electro-Hydraulic Control Module (Part No.609-003)

Remanufactured Transmission Electro-Hydraulic Control Module

from

$914.99
This Dorman OE FIX remanufactured transmission electro-hydraulic control module (TEHCM) provides the same function and performance as the stock component, and features upgraded plastic to increase durability against heat and debris.

Product Features:
  • Aftermarket exclusive – this uniquely remanufactured TEHCM features upgraded PEEK plastic to resist heat and debris and extend its lifespan
  • Cost-effective fix – module is equally compatible as original but far less expensive than replacement from dealership
  • Quality assured – this part underwent vehicle simulator testing, and includes new gaskets, grommets and seals
  • Requires programming – after installation, module must be programmed with original manufacturer software, such as through a Remote Assist Programming (RAP) Kit
  • Cost-effective fix – module is equally compatible as original but far less expensive than replacement from dealership
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KAI – Trans Oil Cooler Assembly (Part No.GM4050107)

Trans Oil Cooler Assembly

from

$254.99
New Platinum Pro Automatic Transmission Oil Cooler Assembly, Without Extra Duty Cooling

Product Features:
  • Without Extra Duty Cooling, Made Of Aluminum
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
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Carquest – Multi-Purpose Relay (Part No.83A1008)

Multi-Purpose Relay

from

$18.99
Relays are electrical switches used to convert a small electrical load into a circuit capable of handling a high amperage load. Computers and small switches are not designed to carry the higher amperage requirement of a circuit that may have an electric motor, solenoid, or high amperage lighting fixture. Within a relay are contacts that are controlled with electromagnetism, when the circuit switch commands the device on or off, magnetism will pull or release the contact arm closing or opening the contacts within the relay that carry the voltage.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Computer-Aided Design (CAD), laser scanning and 3D printing ¿ utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) ¿ in the part design process ensures speed-to-market and a precise fit guaranteed.
  • Computer-Aided Design (CAD), laser scanning and 3D printing ┐ utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) ┐ in the part design process ensures speed-to-market and a precise fit guaranteed.
  • Where applicable, robust circuit board design increases durability due to heat, shock, and random electro-magnetic pulses (EMP) and power spikes.
  • Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
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Moveras – M02131 Remanufactured 6L50 Automatic Transmission Assembly (Part No.M02131)

M02131 Remanufactured 6L50 Automatic Transmission Assembly

from

$2587.99
Moveras Remanufactured Transmissions manufactures automatic transmissions for virtually every vehicle on the road; We are committed to remanufacturing transmissions to the same standards and methodologies used for OEM transmissions; Each Moveras transmission is produced in a World Class manufacturing facility; Our entire process has been developed from scratch, utilizing LEAN manufacturing principles; Our transmissions are produced in a Clean Room environment; Every transmission is built to the same exacting standards by using a precisely documented and controlled process.

Product Features:
  • OEM-Level Quality: Each transmission is remanufactured to meet or exceed original manufacturer specifications for seamless compatibility and superior performance
  • Advanced Remanufacturing Process: Each transmission is completely disassembled, and critical components are replaced or upgraded to ensure long-lasting performance
  • High-Quality Torque Converter: A fully remanufactured torque converter is included, tested for leaks, lock-up functionality, and balance to enhance durability and smooth operation
  • Precision Engineering: Each valve body is remanufactured to OEM specifications, ensuring proper hydraulic flow and consistent shift performance
  • Dyno Testing: All Moveras transmissions are dyno-tested under real-world driving conditions to ensure reliable, consistent performance before leaving the factory
  • Nationwide Limited Warranty: Every transmission comes with a comprehensive Limited Warranty, giving you confidence and peace of mind, no matter where you are on the road
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Schaeffler – Cone (Part No.KLM48548)

Cone

from

$13.99
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
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ATP – AT MASTER REPAIR KIT (Part No.JM-31)

AT MASTER REPAIR KIT

from

$889.99
AT MASTER REPAIR KIT

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

High Performance Transmission Oil Cooler

from

$60.99
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
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Imperial – Transmission Line Fitting Kit (Part No.240390)

Transmission Line Fitting Kit

from

$12.99
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 line fitting kit
  • GM, Jeep; 5/8″-18 inverted flare
  • Helps simplify transmission cooler installation
  • Allows for auxiliary transmission cooler installation without cutting OE lines
  • Crafted from high-quality material that makes it durable and longer-lasting
  • A high quality, direct fit OE replacement
  • Easily connects the transmission cooler line to the cooler hose
  • Coated for extra protection against corrosion
  • Crafted from high-quality material that makes it durable and longer-lasting
  • A high quality, direct fit OE replacement
  • Easily connects the transmission cooler line to the cooler hose
  • Coated for extra protection against corrosion
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Victor Reinz – Automatic Transmission Gasket Set (Part No.71-23291-00)

Automatic Transmission Gasket Set

from

$26.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
  • Dana engineering-approved for fit, form and function
  • Meets or exceeds OE specifications
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Dorman – Help – Transmission Oil Cooler Seal (Part No.66219)

Transmission Oil Cooler Seal

from

$12.49
This Dorman Automatic Transmission Oil Cooler Gasket eliminates leaks where the oil cooler line connects to the transmission. Gasket may break down over time, causing leaks, and should be replaced any time the oil cooler line and transmission are separated.

Product Features:
  • Durable construction – rubber over steel construction creates a positive seal and retains its shape
  • Direct replacement – fits and functions like original equipment
  • Easy to install – direct-fit, no special tools required
  • Vehicle tested – has undergone on-vehicle testing to ensure proper fit and performance
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National – Automatic Transmission Extension Housing Seal (Part No.710875)

Automatic Transmission Extension Housing Seal

from

$21.49
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: -30 Deg. F to 325 Deg. F / -34 Deg. C to 163 Deg. C
  • Superior thermal and chemical resistance
  • Good abrasion and dry running capability
  • Delivers quality and reliable performance for every type of repair
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ATP – AT OIL PUMP GASKET (Part No.SG-44)

AT OIL PUMP GASKET

from

$26.49
AT OIL PUMP GASKET

Helping You Find the Right Transmission Parts for Your Cadillac STS

You love your STS. So we’ve made it easier than ever to help you find Cadillac STS Transmission Parts in our online catalog. Our inventory holds 62 aftermarket and OEM Transmission Parts for your Cadillac STS, ranging from $4.99 to $2,968.99.

We offer parts from 15 brands trusted to make quality Transmission Parts for your Cadillac STS. Before you buy, take some time to read through customer reviews. We currently have 2,683 reviews of Cadillac STS Transmission Parts from previous customers. Some of the top rated parts include Plate and Fin Style Transmission Cooler, Heavy Duty, 3/4" x 9-1/2" x 11" with 4.5 stars and Maxi-Kool XL Transmission Oil Cooler with 5.0 stars.

Find your STS Transmission Parts here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your Cadillac STS part to confirm it’s just right? You can find your nearest Advance Auto Parts store and confirm they have the part in stock before heading over.

Top Transmission Parts Brands for Your Cadillac STS

Our inventory holds Transmission Parts for your Cadillac STS from 15 trusted brands. You’ll find OEM and aftermarket parts from brands like Imperial, National, and Carquest, all of which can keep that Cadillac happy.
We have Carquest parts available for your Cadillac STS in categories like Back Up Neutral Safety Parts. Some of the top-rated Carquest parts in these categories are:
A/C Auto Temperature Control Relay
from $18.99
(1)
A/C Auto Temperature Control Relay
Back Up Light Relays

FAQs for Cadillac STS Transmission Parts

What are the most purchased Transmission Parts for the Cadillac STS?

Out of 62 Transmission Parts for the Cadillac STS, the most popular in our inventory are:
Econo-Kool Transmission Oil Cooler
from $40.99
(10)
Econo-Kool Transmission Oil Cooler
OE Transmission Coolers
Multi Purpose Seal
from $6.99
(20)
Multi Purpose Seal
Shaft Seals
Transmission Oil Cooler Reinstallation Kit
from $25.99
(4)
Transmission Oil Cooler Reinstallation Kit
Transmission Oil Cooler Fittings

What are the top-rated Cadillac STS Transmission Parts?

Top-rated Transmission Parts for your Cadillac STS based on customer reviews/ratings are:
Plate and Fin Style Transmission Cooler, Heavy Duty, 3/4" x 9-1/2" x 11"
from $80.99
(8)
Plate and Fin Style Transmission Cooler, Heavy Duty, 3/4" x 9-1/2" x 11"
“Used this cooler to replace the missing factory one on my Polaris 330 ATV. Made an adapter plate to fit to the fan housing. Works great, beats the $30”
Maxi-Kool XL Transmission Oil Cooler
from $73.99
(7)
Maxi-Kool XL Transmission Oil Cooler
“this transmission oil cooler is replacing my one on my 2000 dodge dakota its priced right mid size and easy to put in the ome one is 250 this is 60 an”
Multi-Purpose Bearing
from $11.99
(6)
Multi-Purpose Bearing
“Thanks”