2004 Mercury Mountaineer Automatic Transmission Parts

Keep Your 2004 Mercury Mountaineer in Top Shape with Quality Automatic Transmission Parts

Whether you’re repairing or upgrading your Automatic Transmission Part, using high-quality parts is key to keeping your 2004 Mercury Mountaineer looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Remanufactured Automatic Transmissions, Shift Interlock Solenoids, and Transmission Solenoids. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Competitive Prices and Extensive Inventory

The average price for a 2004 Mercury Mountaineer Automatic Transmission Part at Advance Auto Parts is around $1,369.92, with a range that starts at $20.49 and goes up to $2,716.00. With 17 options in stock from 6 trusted brands, finding the right fit is easy. Popular picks like Shifter Cable Bushing Kit (OE Fix), Transmission Shift Interlock Solenoid, and Remanufactured Transmission Solenoid Pack start at just $20.49 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Automatic Transmission Part, don’t forget to check out other key components like Torque Converter and Related Products and Transmission Cooler and Parts. At Advance Auto Parts, we’re here to help you keep your 2004 Mercury Mountaineer in peak condition, inside and out.

Essential 2004 Mercury Mountaineer Automatic Transmission Parts

Dorman – Help – Shifter Cable Bushing Kit (OE Fix) (Part No.14908)

Shifter Cable Bushing Kit (OE Fix)

from

$20.49
When the transmission linkage clips break on many Ford, Lincoln and Mercury vehicles, you usually have to replace the entire shifter cable assembly. This Dorman OE FIX clip allows direct replacement of only the failed original clip, saving money.

Product Features:
  • Smart fix – this direct replacement shift linkage clip saves time and money by directly replacing the failure-prone clip on many Ford, Lincoln and Mercury vehicles
  • Effective alternative – allows you to restore shifter mechanism operation without replacing the entire shifter cable assembly
  • Application specific – made for certain Ford, Lincoln and Mercury vehicles
  • Quality engineering – designed in the United States and backed by decades of automotive aftermarket experience
See More

Dorman – Remanufactured Transmission Solenoid Pack (Part No.609-022)

Remanufactured Transmission Solenoid Pack

from

$381.99
This transmission control module has been fully tested and validated to match the function and performance of the original TCM on specified vehicle applications.

Product Features:
  • Direct replacement – this transmission control module matches the function and performance of the stock TCM on specified years, makes and models
  • Ideal solution – this transmission control module is a reliable replacement for an original part that has failed due to corrosion or electrical failure
  • Thoroughly tested – this TCM has undergone full vehicle simulator testing to confirm full functionality for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
See More

Dorman – Remanufactured Transmission Control Module (Part No.609-024)

Remanufactured Transmission Control Module

from

$787.99
This transmission control module has been fully tested and validated to match the function and performance of the original TCM on specified vehicle applications.

Product Features:
  • Direct replacement – this transmission control module matches the function and performance of the stock TCM on specified years, makes and models
  • Ideal solution – this transmission control module is a reliable replacement for an original part that has failed due to corrosion or electrical failure
  • Thoroughly tested – this TCM has undergone full vehicle simulator testing to confirm full functionality for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
See More

Carquest Premium – Shift Interlock Solenoid (Part No.BAA1001)

Shift Interlock Solenoid

from

$60.99
The Shift Interlock Solenoid is a safety feature which prevents a gear shift change in an automatic transmission without first stepping on the brake pedal. The shift interlock solenoid meets all original equipment operating characteristics and mounting requirements.

Product Features:
  • Application matched component to ensure the system can be returned to like new condition.
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
See More

Dorman – Transmission Shift Interlock Solenoid (Part No.924-974)

Transmission Shift Interlock Solenoid

from

$191.99
This shift interlock solenoid is designed to match the fit and function of the original solenoid on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this shift interlock solenoid is designed to match the fit and function of the original solenoid on specified vehicles
  • Ideal solution – this solenoid is a reliable replacement for an original part that is damaged or has failed due to fatigue, excessive heat or electrical current
  • Durable construction – this solenoid is made from quality components to ensure reliable performance and a long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Dorman – Transmission Shift Interlock Solenoid (Part No.924-707)

Transmission Shift Interlock Solenoid

from

$29.99
This shift interlock solenoid is designed to match the fit and function of the original solenoid on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this shift interlock solenoid is designed to match the fit and function of the original solenoid on specified vehicles
  • Ideal solution – this solenoid is a reliable replacement for an original part that is damaged or has failed due to fatigue, excessive heat or electrical current
  • Durable construction – this solenoid is made from quality components to ensure reliable performance and a long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Shift Pro by ETE – 5R55E Automatic Transmission Assembly (Part No.T160802)

5R55E Automatic Transmission Assembly

from

$2421.99
At Shift Pro Inc, fully remanufactured transmissions go beyond the name. So, what’s in that name to start? Pro Engineering: your transmission has been re-engineered to meet or exceed OE standards for tolerances, durability, and quality. Pro Performance: upgraded components and a fully remanufactured torque converter add to enhanced durability over your transmission’s lifetime. Pro Performance: hot-, cold-, load-, and simulated road-tested on custom dynamometers, your transmission is ready to go, wherever you’re headed.

Product Features:
  • Fully tested torque converter included. Shift Pro Inc tests for leaks, lock-up, concentricity, and balance to eliminate the possibilities of front seal leaks, premature bushing wear, and vibration.
  • All dynamometer testing is conducted with Shift Pro Inc’s custom testing program for at least 30 minutes.
  • During dynamometer testing, Shift Pro Inc transmissions are cold, hot, load, and road tested using a fully synthetic transmission fluid and filtration system.
  • All wear-prone valves in the completely remanufactured valve body are restored to stringent specifications and vacuum tested to verify proper function.
  • Shift Pro Inc’s quality control process includes build specification checks performed by four different specialized technicians during the remanufacturing process.
  • No paperwork or registration is required with Shift Pro Inc’s warranty. Each no-hassle warranty is attached to the vehicle VIN and transferrable with ownership.
  • Product might not be available in all states due to local laws.
See More

Spartan – Automatic Transmission Assembly; Ford AWD 5R55E 5-Speed (Part No.877A-SD)

Automatic Transmission Assembly; Ford AWD 5R55E 5-Speed

from

$2520.00
Our Remanufactured Transmissions include torque convertors, trans is completely disassembled & checked then reassembled to spec for tolerances, vacuum, seal & balance, all wear parts replaced & sim tested.

Product Features:
  • Our Remanufactured Transmissions include torque convertors, trans is completely disassembled & checked then reassembled to spec for tolerances, vacuum, seal & balance, all wear parts replaced & sim tested.
  • If we have important installation information it will be included on tags or in the paperwork packaged with your transmission.
  • Transmissions are securely packaged in a recyclable container that will also protect your core on the return trip. Our nationwide warehouse network means speedy delivery.
  • All of our transmissions are Dyno tested to ensure the highest standard of trouble free service and longevity.
See More

Shift Pro by ETE – 5R55W Automatic Transmission Assembly (Part No.T163017)

5R55W Automatic Transmission Assembly

from

$2441.99
At Shift Pro Inc, fully remanufactured transmissions go beyond the name. So, what’s in that name to start? Pro Engineering: your transmission has been re-engineered to meet or exceed OE standards for tolerances, durability, and quality. Pro Performance: upgraded components and a fully remanufactured torque converter add to enhanced durability over your transmission’s lifetime. Pro Performance: hot-, cold-, load-, and simulated road-tested on custom dynamometers, your transmission is ready to go, wherever you’re headed.

Product Features:
  • Fully tested torque converter included. Shift Pro Inc tests for leaks, lock-up, concentricity, and balance to eliminate the possibilities of front seal leaks, premature bushing wear, and vibration.
  • All dynamometer testing is conducted with Shift Pro Inc’s custom testing program for at least 30 minutes.
  • During dynamometer testing, Shift Pro Inc transmissions are cold, hot, load, and road tested using a fully synthetic transmission fluid and filtration system.
  • All wear-prone valves in the completely remanufactured valve body are restored to stringent specifications and vacuum tested to verify proper function.
  • Shift Pro Inc’s quality control process includes build specification checks performed by four different specialized technicians during the remanufacturing process.
  • No paperwork or registration is required with Shift Pro Inc’s warranty. Each no-hassle warranty is attached to the vehicle VIN and transferrable with ownership.
  • Product might not be available in all states due to local laws.
See More

Moveras – 6R80 – Automatic Transmission (Part No.M01851)

6R80 - Automatic Transmission

from

$2999.99
Moveras Remanufactured Transmissions manufactures automatic transmissions for virtually every vehicle on the road.

Product Features:
  • Product might not be available in all states due to local laws.
  • 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.
See More

Moveras – 6R60 – Automatic Transmission (Part No.M01189)

6R60 - Automatic Transmission

from

$2867.99
Moveras Remanufactured Transmissions manufactures automatic transmissions for virtually every vehicle on the road.

Product Features:
  • Product might not be available in all states due to local laws.
  • 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.
See More

Shift Pro by ETE – 5R55S Automatic Transmission Assembly (Part No.T163009)

5R55S Automatic Transmission Assembly

from

$2441.99
At Shift Pro Inc, fully remanufactured transmissions go beyond the name. So, what’s in that name to start? Pro Engineering: your transmission has been re-engineered to meet or exceed OE standards for tolerances, durability, and quality. Pro Performance: upgraded components and a fully remanufactured torque converter add to enhanced durability over your transmission’s lifetime. Pro Performance: hot-, cold-, load-, and simulated road-tested on custom dynamometers, your transmission is ready to go, wherever you’re headed.

Product Features:
  • Fully tested torque converter included. Shift Pro Inc tests for leaks, lock-up, concentricity, and balance to eliminate the possibilities of front seal leaks, premature bushing wear, and vibration.
  • All dynamometer testing is conducted with Shift Pro Inc’s custom testing program for at least 30 minutes.
  • During dynamometer testing, Shift Pro Inc transmissions are cold, hot, load, and road tested using a fully synthetic transmission fluid and filtration system.
  • All wear-prone valves in the completely remanufactured valve body are restored to stringent specifications and vacuum tested to verify proper function.
  • Shift Pro Inc’s quality control process includes build specification checks performed by four different specialized technicians during the remanufacturing process.
  • No paperwork or registration is required with Shift Pro Inc’s warranty. Each no-hassle warranty is attached to the vehicle VIN and transferrable with ownership.
  • Product might not be available in all states due to local laws.
See More

Spartan – Automatic Transmission Assembly; Ford RWD 5R55E 5-Speed (Part No.880A-SD)

Automatic Transmission Assembly; Ford RWD 5R55E 5-Speed

from

$2520.00
Our Remanufactured Transmissions include torque convertors, trans is completely disassembled & checked then reassembled to spec for tolerances, vacuum, seal & balance, all wear parts replaced & sim tested.

Product Features:
  • Our Remanufactured Transmissions include torque convertors, trans is completely disassembled & checked then reassembled to spec for tolerances, vacuum, seal & balance, all wear parts replaced & sim tested.
  • If we have important installation information it will be included on tags or in the paperwork packaged with your transmission.
  • Transmissions are securely packaged in a recyclable container that will also protect your core on the return trip. Our nationwide warehouse network means speedy delivery.
  • All of our transmissions are Dyno tested to ensure the highest standard of trouble free service and longevity.
See More

Premium Drive Train – Premium Remanufactured Automatic Transmission Assembly (Part No.T5R55W4602T2)

Premium Remanufactured Automatic Transmission Assembly

from

$2395.99
All transmissions are completely disassembled and cleaned. All cases are media blasted. Internal parts are inspected for wear or damage and replaced as required. All bushings are inspected and replaced as required. All of friction components are replaced with upgraded heavy duty parts. Drum assemblies are air checked and side play is checked to assure proper clearance. All of seals, o’rings and gaskets are replaced. All of solenoids are checked and replaced if they do not pass duty cycle tests. Internal wiring harness are checked and replaced as necessary. Valve bodies are disassembled, cleaned, and measured for wear. Valve body valves and valve bores are inspected and valve bores are machined as required. Completed valve bodies are tested for proper operation prior to dyno testing. Transmissions are assembled, end plays are set and fasteners are torqued to the required specification. All of transmissions are dynamometer tested to ensure proper pressures and shift quality throughout the operating range. All upshifts and downshifts are checked against preset parameters. Torque converter stall speed and lockup is verified on the dyno test. Transmission park locking mechanism is checked during dyno test. (where applicable). (Torque Converter) All of converters are dynamic balanced. All of pumps are furnaced brazed. All new bearings and o’rings. All new springs and rollers in stator. All new thrust washers. All new friction liners in overdrive lockup converters. Converter endplay and hub/pump runout and diameter is checked.

Product Features:
  • All transmissions are completely disassembled and cleaned. All cases are media blasted. Internal parts are inspected for wear or damage and replaced as required. All bushings are inspected and replaced as required.
  • 100% of friction components are replaced with upgraded heavy duty parts.
  • Drum assemblies are air checked and side play is checked to assure proper clearance. 100% of seals, o’rings and gaskets are replaced.
  • 100% of solenoids are checked and replaced if they do not pass duty cycle tests. Internal wiring harness are checked and replaced as necessary. Valve bodies are disassembled, cleaned, and measured for wear.
  • Transmissions are assembled, end plays are set and fasteners are torqued to the required specification.
  • Torque Converter: 100% of converters are dynamic balanced. 100% of pumps are furnaced brazed. 100% new bearings and o’rings. 100% new springs and rollers in stator. 100% new thrust washers. 100% new friction liners in overdrive lockup converters.
  • 100% of transmissions are dynamometer tested to ensure proper pressures and shift quality throughout the operating range. All upshifts and downshifts are checked against preset parameters. Torque converter stall speed and lockup is verified on the dyno
  • Product might not be available in all states due to local laws.
See More

Premium Drive Train – Premium Remanufactured Automatic Transmission Assembly (Part No.T5R55W4002T4)

Premium Remanufactured Automatic Transmission Assembly

from

$2358.99
All transmissions are completely disassembled and cleaned. All cases are media blasted. Internal parts are inspected for wear or damage and replaced as required. All bushings are inspected and replaced as required. All of friction components are replaced with upgraded heavy duty parts. Drum assemblies are air checked and side play is checked to assure proper clearance. All of seals, o’rings and gaskets are replaced. All of solenoids are checked and replaced if they do not pass duty cycle tests. Internal wiring harness are checked and replaced as necessary. Valve bodies are disassembled, cleaned, and measured for wear. Valve body valves and valve bores are inspected and valve bores are machined as required. Completed valve bodies are tested for proper operation prior to dyno testing. Transmissions are assembled, end plays are set and fasteners are torqued to the required specification. All of transmissions are dynamometer tested to ensure proper pressures and shift quality throughout the operating range. All upshifts and downshifts are checked against preset parameters. Torque converter stall speed and lockup is verified on the dyno test. Transmission park locking mechanism is checked during dyno test. (where applicable). (Torque Converter) All of converters are dynamic balanced. All of pumps are furnaced brazed. All new bearings and o’rings. All new springs and rollers in stator. All new thrust washers. All new friction liners in overdrive lockup converters. Converter endplay and hub/pump runout and diameter is checked.

Product Features:
  • All transmissions are completely disassembled and cleaned. All cases are media blasted. Internal parts are inspected for wear or damage and replaced as required. All bushings are inspected and replaced as required.
  • 100% of friction components are replaced with upgraded heavy duty parts.
  • Drum assemblies are air checked and side play is checked to assure proper clearance. 100% of seals, o’rings and gaskets are replaced.
  • 100% of solenoids are checked and replaced if they do not pass duty cycle tests. Internal wiring harness are checked and replaced as necessary. Valve bodies are disassembled, cleaned, and measured for wear.
  • Transmissions are assembled, end plays are set and fasteners are torqued to the required specification.
  • Torque Converter: 100% of converters are dynamic balanced. 100% of pumps are furnaced brazed. 100% new bearings and o’rings. 100% new springs and rollers in stator. 100% new thrust washers. 100% new friction liners in overdrive lockup converters.
  • 100% of transmissions are dynamometer tested to ensure proper pressures and shift quality throughout the operating range. All upshifts and downshifts are checked against preset parameters. Torque converter stall speed and lockup is verified on the dyno
See More

Shift Pro by ETE – 5R55S Automatic Transmission Assembly (Part No.T163012)

5R55S Automatic Transmission Assembly

from

$2441.99
At Shift Pro Inc, fully remanufactured transmissions go beyond the name. So, what’s in that name to start? Pro Engineering: your transmission has been re-engineered to meet or exceed OE standards for tolerances, durability, and quality. Pro Performance: upgraded components and a fully remanufactured torque converter add to enhanced durability over your transmission’s lifetime. Pro Performance: hot-, cold-, load-, and simulated road-tested on custom dynamometers, your transmission is ready to go, wherever you’re headed.

Product Features:
  • Fully tested torque converter included. Shift Pro Inc tests for leaks, lock-up, concentricity, and balance to eliminate the possibilities of front seal leaks, premature bushing wear, and vibration.
  • All dynamometer testing is conducted with Shift Pro Inc’s custom testing program for at least 30 minutes.
  • During dynamometer testing, Shift Pro Inc transmissions are cold, hot, load, and road tested using a fully synthetic transmission fluid and filtration system.
  • All wear-prone valves in the completely remanufactured valve body are restored to stringent specifications and vacuum tested to verify proper function.
  • Shift Pro Inc’s quality control process includes build specification checks performed by four different specialized technicians during the remanufacturing process.
  • No paperwork or registration is required with Shift Pro Inc’s warranty. Each no-hassle warranty is attached to the vehicle VIN and transferrable with ownership.
  • Product might not be available in all states due to local laws.
See More

Spartan – Automatic Transmission Assembly; Ford RWD 5R55S 5-Speed (Part No.846A-SD)

Automatic Transmission Assembly; Ford RWD 5R55S 5-Speed

from

$2696.00
Our Remanufactured Transmissions include torque convertors, trans is completely disassembled & checked then reassembled to spec for tolerances, vacuum, seal & balance, all wear parts replaced & sim tested.

Product Features:
  • Our Remanufactured Transmissions include torque convertors, trans is completely disassembled & checked then reassembled to spec for tolerances, vacuum, seal & balance, all wear parts replaced & sim tested.
  • If we have important installation information it will be included on tags or in the paperwork packaged with your transmission.
  • Transmissions are securely packaged in a recyclable container that will also protect your core on the return trip. Our nationwide warehouse network means speedy delivery.
  • All of our transmissions are Dyno tested to ensure the highest standard of trouble free service and longevity.
See More

Pro-King – Remanufactured Transmission Solenoid Block (Part No.RTS106)

Remanufactured Transmission Solenoid Block

from

$317.99
Remanufactured to meet or exceed OE quality, with inherent OE flaws corrected to improve longevity and performance.

Product Features:
  • All blocks are pretested
  • All blocks are serialized
See More

ATP – AT CONTR SOLENOID (Part No.FE-24)

AT CONTR SOLENOID

from

$154.99
AT CONTR SOLENOID

ATP – AT CONTR SOLENOID (Part No.LE-13)

AT CONTR SOLENOID

from

$75.99
AT CONTR SOLENOID

Pro-King – Automatic Transmission Solenoid (Part No.52-0212)

Automatic Transmission Solenoid

from

$43.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket. All products are designed to meet or exceed OE quality, form, fit and funtion.

Product Features:
  • OE Replacement
  • Plug-in connector
See More

Carquest Premium – Automatic Transmission Control Solenoid (Part No.SBA4938)

Automatic Transmission Control Solenoid

from

$66.99
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.
See More

Carquest Premium – Automatic Transmission Control Solenoid (Part No.SBA4951)

Automatic Transmission Control Solenoid

from

$56.99
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.
See More

ATP – AT CONTR SOLENOID (Part No.FE-23)

AT CONTR SOLENOID

from

$188.99
AT CONTR SOLENOID

ATP – AT CONTR SOLENOID (Part No.FE-2)

AT CONTR SOLENOID

from

$102.99
AT CONTR SOLENOID

ATP – AT CONTR SOLENOID (Part No.FE-5)

AT CONTR SOLENOID

from

$97.99
AT CONTR SOLENOID

Carquest Premium – Automatic Transmission Control Solenoid (Part No.TCE1024)

Automatic Transmission Control Solenoid

from

$469.99
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.
See More

Most Popular Remanufactured Automatic Transmissions for 2004 Mercury Mountaineers

Enhance your 2004 Mercury Mountaineer with one of the 12 Remanufactured Automatic Transmissions we have in stock, starting at just $2,358.99.

Spartan – Automatic Transmission Assembly; Ford RWD 5R55S 5-Speed (Part No.838B-8S)

Automatic Transmission Assembly; Ford RWD 5R55S 5-Speed

from

$2716.00
Our Remanufactured Transmissions include torque convertors, trans is completely disassembled & checked then reassembled to spec for tolerances, vacuum, seal & balance, all wear parts replaced & sim tested.

Product Features:
  • Our Remanufactured Transmissions include torque convertors, trans is completely disassembled & checked then reassembled to spec for tolerances, vacuum, seal & balance, all wear parts replaced & sim tested.
  • If we have important installation information it will be included on tags or in the paperwork packaged with your transmission.
  • Transmissions are securely packaged in a recyclable container that will also protect your core on the return trip. Our nationwide warehouse network means speedy delivery.
  • All of our transmissions are Dyno tested to ensure the highest standard of trouble free service and longevity.
See More

Spartan – Automatic Transmission Assembly; Ford 4WD 5R55S 5-Speed (Part No.835B-8S)

Automatic Transmission Assembly; Ford 4WD 5R55S 5-Speed

from

$2696.00
Our Remanufactured Transmissions include torque convertors, trans is completely disassembled & checked then reassembled to spec for tolerances, vacuum, seal & balance, all wear parts replaced & sim tested.

Product Features:
  • Our Remanufactured Transmissions include torque convertors, trans is completely disassembled & checked then reassembled to spec for tolerances, vacuum, seal & balance, all wear parts replaced & sim tested.
  • If we have important installation information it will be included on tags or in the paperwork packaged with your transmission.
  • Transmissions are securely packaged in a recyclable container that will also protect your core on the return trip. Our nationwide warehouse network means speedy delivery.
  • All of our transmissions are Dyno tested to ensure the highest standard of trouble free service and longevity.
See More

Spartan – Automatic Transmission Assembly; Ford RWD 5R55S 5-Speed (Part No.837B-SD)

Automatic Transmission Assembly; Ford RWD 5R55S 5-Speed

from

$2696.00
Our Remanufactured Transmissions include torque convertors, trans is completely disassembled & checked then reassembled to spec for tolerances, vacuum, seal & balance, all wear parts replaced & sim tested.

Product Features:
  • Our Remanufactured Transmissions include torque convertors, trans is completely disassembled & checked then reassembled to spec for tolerances, vacuum, seal & balance, all wear parts replaced & sim tested.
  • If we have important installation information it will be included on tags or in the paperwork packaged with your transmission.
  • Transmissions are securely packaged in a recyclable container that will also protect your core on the return trip. Our nationwide warehouse network means speedy delivery.
  • All of our transmissions are Dyno tested to ensure the highest standard of trouble free service and longevity.
See More

Spartan – Automatic Transmission Assembly; Ford 4WD 5R55S 5-Speed (Part No.836B-SD)

Automatic Transmission Assembly; Ford 4WD 5R55S 5-Speed

from

$2696.00
Our Remanufactured Transmissions include torque convertors, trans is completely disassembled & checked then reassembled to spec for tolerances, vacuum, seal & balance, all wear parts replaced & sim tested.

Product Features:
  • Our Remanufactured Transmissions include torque convertors, trans is completely disassembled & checked then reassembled to spec for tolerances, vacuum, seal & balance, all wear parts replaced & sim tested.
  • If we have important installation information it will be included on tags or in the paperwork packaged with your transmission.
  • Transmissions are securely packaged in a recyclable container that will also protect your core on the return trip. Our nationwide warehouse network means speedy delivery.
  • All of our transmissions are Dyno tested to ensure the highest standard of trouble free service and longevity.
See More

Shift Pro by ETE – 5R55S Automatic Transmission Assembly (Part No.T163014)

5R55S Automatic Transmission Assembly

from

$2479.99
At Shift Pro Inc, fully remanufactured transmissions go beyond the name. So, what’s in that name to start? Pro Engineering: your transmission has been re-engineered to meet or exceed OE standards for tolerances, durability, and quality. Pro Performance: upgraded components and a fully remanufactured torque converter add to enhanced durability over your transmission’s lifetime. Pro Performance: hot-, cold-, load-, and simulated road-tested on custom dynamometers, your transmission is ready to go, wherever you’re headed.

Product Features:
  • Fully tested torque converter included. Shift Pro Inc tests for leaks, lock-up, concentricity, and balance to eliminate the possibilities of front seal leaks, premature bushing wear, and vibration.
  • All dynamometer testing is conducted with Shift Pro Inc’s custom testing program for at least 30 minutes.
  • During dynamometer testing, Shift Pro Inc transmissions are cold, hot, load, and road tested using a fully synthetic transmission fluid and filtration system.
  • All wear-prone valves in the completely remanufactured valve body are restored to stringent specifications and vacuum tested to verify proper function.
  • Shift Pro Inc’s quality control process includes build specification checks performed by four different specialized technicians during the remanufacturing process.
  • No paperwork or registration is required with Shift Pro Inc’s warranty. Each no-hassle warranty is attached to the vehicle VIN and transferrable with ownership.
  • Product might not be available in all states due to local laws.
See More

Shift Pro by ETE – 5R55S Automatic Transmission Assembly (Part No.T163013)

5R55S Automatic Transmission Assembly

from

$2444.99
At Shift Pro Inc, fully remanufactured transmissions go beyond the name. So, what’s in that name to start? Pro Engineering: your transmission has been re-engineered to meet or exceed OE standards for tolerances, durability, and quality. Pro Performance: upgraded components and a fully remanufactured torque converter add to enhanced durability over your transmission’s lifetime. Pro Performance: hot-, cold-, load-, and simulated road-tested on custom dynamometers, your transmission is ready to go, wherever you’re headed.

Product Features:
  • Fully tested torque converter included. Shift Pro Inc tests for leaks, lock-up, concentricity, and balance to eliminate the possibilities of front seal leaks, premature bushing wear, and vibration.
  • All dynamometer testing is conducted with Shift Pro Inc’s custom testing program for at least 30 minutes.
  • During dynamometer testing, Shift Pro Inc transmissions are cold, hot, load, and road tested using a fully synthetic transmission fluid and filtration system.
  • All wear-prone valves in the completely remanufactured valve body are restored to stringent specifications and vacuum tested to verify proper function.
  • Shift Pro Inc’s quality control process includes build specification checks performed by four different specialized technicians during the remanufacturing process.
  • No paperwork or registration is required with Shift Pro Inc’s warranty. Each no-hassle warranty is attached to the vehicle VIN and transferrable with ownership.
  • Product might not be available in all states due to local laws.
See More

Shift Pro by ETE – 5R55S Automatic Transmission Assembly (Part No.T163015)

5R55S Automatic Transmission Assembly

from

$2441.99
At Shift Pro Inc, fully remanufactured transmissions go beyond the name. So, what’s in that name to start? Pro Engineering: your transmission has been re-engineered to meet or exceed OE standards for tolerances, durability, and quality. Pro Performance: upgraded components and a fully remanufactured torque converter add to enhanced durability over your transmission’s lifetime. Pro Performance: hot-, cold-, load-, and simulated road-tested on custom dynamometers, your transmission is ready to go, wherever you’re headed.

Product Features:
  • Fully tested torque converter included. Shift Pro Inc tests for leaks, lock-up, concentricity, and balance to eliminate the possibilities of front seal leaks, premature bushing wear, and vibration.
  • All dynamometer testing is conducted with Shift Pro Inc’s custom testing program for at least 30 minutes.
  • During dynamometer testing, Shift Pro Inc transmissions are cold, hot, load, and road tested using a fully synthetic transmission fluid and filtration system.
  • All wear-prone valves in the completely remanufactured valve body are restored to stringent specifications and vacuum tested to verify proper function.
  • Shift Pro Inc’s quality control process includes build specification checks performed by four different specialized technicians during the remanufacturing process.
  • No paperwork or registration is required with Shift Pro Inc’s warranty. Each no-hassle warranty is attached to the vehicle VIN and transferrable with ownership.
  • Product might not be available in all states due to local laws.
See More

Shift Pro by ETE – 5R55S Automatic Transmission Assembly (Part No.T163016)

5R55S Automatic Transmission Assembly

from

$2441.99
At Shift Pro Inc, fully remanufactured transmissions go beyond the name. So, what’s in that name to start? Pro Engineering: your transmission has been re-engineered to meet or exceed OE standards for tolerances, durability, and quality. Pro Performance: upgraded components and a fully remanufactured torque converter add to enhanced durability over your transmission’s lifetime. Pro Performance: hot-, cold-, load-, and simulated road-tested on custom dynamometers, your transmission is ready to go, wherever you’re headed.

Product Features:
  • Fully tested torque converter included. Shift Pro Inc tests for leaks, lock-up, concentricity, and balance to eliminate the possibilities of front seal leaks, premature bushing wear, and vibration.
  • All dynamometer testing is conducted with Shift Pro Inc’s custom testing program for at least 30 minutes.
  • During dynamometer testing, Shift Pro Inc transmissions are cold, hot, load, and road tested using a fully synthetic transmission fluid and filtration system.
  • All wear-prone valves in the completely remanufactured valve body are restored to stringent specifications and vacuum tested to verify proper function.
  • Shift Pro Inc’s quality control process includes build specification checks performed by four different specialized technicians during the remanufacturing process.
  • No paperwork or registration is required with Shift Pro Inc’s warranty. Each no-hassle warranty is attached to the vehicle VIN and transferrable with ownership.
  • Product might not be available in all states due to local laws.
See More

Premium Drive Train – Premium Remanufactured Automatic Transmission Assembly (Part No.T5R55S4002T2)

Premium Remanufactured Automatic Transmission Assembly

from

$2395.99
All transmissions are completely disassembled and cleaned. All cases are media blasted. Internal parts are inspected for wear or damage and replaced as required. All bushings are inspected and replaced as required. All of friction components are replaced with upgraded heavy duty parts. Drum assemblies are air checked and side play is checked to assure proper clearance. All of seals, o’rings and gaskets are replaced. All of solenoids are checked and replaced if they do not pass duty cycle tests. Internal wiring harness are checked and replaced as necessary. Valve bodies are disassembled, cleaned, and measured for wear. Valve body valves and valve bores are inspected and valve bores are machined as required. Completed valve bodies are tested for proper operation prior to dyno testing. Transmissions are assembled, end plays are set and fasteners are torqued to the required specification. All of transmissions are dynamometer tested to ensure proper pressures and shift quality throughout the operating range. All upshifts and downshifts are checked against preset parameters. Torque converter stall speed and lockup is verified on the dyno test. Transmission park locking mechanism is checked during dyno test. (where applicable). (Torque Converter) All of converters are dynamic balanced. All of pumps are furnaced brazed. All new bearings and o’rings. All new springs and rollers in stator. All new thrust washers. All new friction liners in overdrive lockup converters. Converter endplay and hub/pump runout and diameter is checked.

Product Features:
  • All transmissions are completely disassembled and cleaned. All cases are media blasted. Internal parts are inspected for wear or damage and replaced as required. All bushings are inspected and replaced as required.
  • 100% of friction components are replaced with upgraded heavy duty parts.
  • Drum assemblies are air checked and side play is checked to assure proper clearance. 100% of seals, o’rings and gaskets are replaced.
  • 100% of solenoids are checked and replaced if they do not pass duty cycle tests. Internal wiring harness are checked and replaced as necessary. Valve bodies are disassembled, cleaned, and measured for wear.
  • Transmissions are assembled, end plays are set and fasteners are torqued to the required specification.
  • Torque Converter: 100% of converters are dynamic balanced. 100% of pumps are furnaced brazed. 100% new bearings and o’rings. 100% new springs and rollers in stator. 100% new thrust washers. 100% new friction liners in overdrive lockup converters.
  • 100% of transmissions are dynamometer tested to ensure proper pressures and shift quality throughout the operating range. All upshifts and downshifts are checked against preset parameters. Torque converter stall speed and lockup is verified on the dyno
  • Product might not be available in all states due to local laws.
See More

Premium Drive Train – Premium Remanufactured Automatic Transmission Assembly (Part No.T5R55S4002T4)

Premium Remanufactured Automatic Transmission Assembly

from

$2366.99
All transmissions are completely disassembled and cleaned. All cases are media blasted. Internal parts are inspected for wear or damage and replaced as required. All bushings are inspected and replaced as required. All of friction components are replaced with upgraded heavy duty parts. Drum assemblies are air checked and side play is checked to assure proper clearance. All of seals, o’rings and gaskets are replaced. All of solenoids are checked and replaced if they do not pass duty cycle tests. Internal wiring harness are checked and replaced as necessary. Valve bodies are disassembled, cleaned, and measured for wear. Valve body valves and valve bores are inspected and valve bores are machined as required. Completed valve bodies are tested for proper operation prior to dyno testing. Transmissions are assembled, end plays are set and fasteners are torqued to the required specification. All of transmissions are dynamometer tested to ensure proper pressures and shift quality throughout the operating range. All upshifts and downshifts are checked against preset parameters. Torque converter stall speed and lockup is verified on the dyno test. Transmission park locking mechanism is checked during dyno test. (where applicable). [Torque Converter] All of converters are dynamic balanced All of pumps are furnaced brazed. All new bearings and o’rings. All new springs and rollers in stator. All new thrust washers. All new friction liners in overdrive lockup converters. Converter endplay and hub/pump runout and diameter is checked

Product Features:
  • All transmissions are completely disassembled and cleaned. All cases are media blasted. Internal parts are inspected for wear or damage and replaced as required. All bushings are inspected and replaced as required.
  • 100% of friction components are replaced with upgraded heavy duty parts.
  • Drum assemblies are air checked and side play is checked to assure proper clearance. 100% of seals, o’rings and gaskets are replaced.
  • 100% of solenoids are checked and replaced if they do not pass duty cycle tests. Internal wiring harness are checked and replaced as necessary. Valve bodies are disassembled, cleaned, and measured for wear.
  • Transmissions are assembled, end plays are set and fasteners are torqued to the required specification.
  • Torque Converter: 100% of converters are dynamic balanced. 100% of pumps are furnaced brazed. 100% new bearings and o’rings. 100% new springs and rollers in stator. 100% new thrust washers. 100% new friction liners in overdrive lockup converters.
  • 100% of transmissions are dynamometer tested to ensure proper pressures and shift quality throughout the operating range. All upshifts and downshifts are checked against preset parameters. Torque converter stall speed and lockup is verified on the dyno
See More

Premium Drive Train – Premium Remanufactured Automatic Transmission Assembly (Part No.T5R55S4602T4)

Premium Remanufactured Automatic Transmission Assembly

from

$2358.99
All transmissions are completely disassembled and cleaned. All cases are media blasted. Internal parts are inspected for wear or damage and replaced as required. All bushings are inspected and replaced as required. All of friction components are replaced with upgraded heavy duty parts. Drum assemblies are air checked and side play is checked to assure proper clearance. All of seals, o’rings and gaskets are replaced. All of solenoids are checked and replaced if they do not pass duty cycle tests. Internal wiring harness are checked and replaced as necessary. Valve bodies are disassembled, cleaned, and measured for wear. Valve body valves and valve bores are inspected and valve bores are machined as required. Completed valve bodies are tested for proper operation prior to dyno testing. Transmissions are assembled, end plays are set and fasteners are torqued to the required specification. All of transmissions are dynamometer tested to ensure proper pressures and shift quality throughout the operating range. All upshifts and downshifts are checked against preset parameters. Torque converter stall speed and lockup is verified on the dyno test. Transmission park locking mechanism is checked during dyno test. (where applicable). (Torque Converter) All of converters are dynamic balanced. All of pumps are furnaced brazed. All new bearings and o’rings. All new springs and rollers in stator. All new thrust washers. All new friction liners in overdrive lockup converters. Converter endplay and hub/pump runout and diameter is checked.

Product Features:
  • All transmissions are completely disassembled and cleaned. All cases are media blasted. Internal parts are inspected for wear or damage and replaced as required. All bushings are inspected and replaced as required.
  • 100% of friction components are replaced with upgraded heavy duty parts.
  • Drum assemblies are air checked and side play is checked to assure proper clearance. 100% of seals, o’rings and gaskets are replaced.
  • 100% of solenoids are checked and replaced if they do not pass duty cycle tests. Internal wiring harness are checked and replaced as necessary. Valve bodies are disassembled, cleaned, and measured for wear.
  • Transmissions are assembled, end plays are set and fasteners are torqued to the required specification.
  • Torque Converter: 100% of converters are dynamic balanced. 100% of pumps are furnaced brazed. 100% new bearings and o’rings. 100% new springs and rollers in stator. 100% new thrust washers. 100% new friction liners in overdrive lockup converters.
  • 100% of transmissions are dynamometer tested to ensure proper pressures and shift quality throughout the operating range. All upshifts and downshifts are checked against preset parameters. Torque converter stall speed and lockup is verified on the dyno
See More

Premium Drive Train – Premium Remanufactured Automatic Transmission Assembly (Part No.T5R55S4602T2)

Premium Remanufactured Automatic Transmission Assembly

from

$2358.99
All transmissions are completely disassembled and cleaned. All cases are media blasted. Internal parts are inspected for wear or damage and replaced as required. All bushings are inspected and replaced as required. All of friction components are replaced with upgraded heavy duty parts. Drum assemblies are air checked and side play is checked to assure proper clearance. All of seals, o’rings and gaskets are replaced. All of solenoids are checked and replaced if they do not pass duty cycle tests. Internal wiring harness are checked and replaced as necessary. Valve bodies are disassembled, cleaned, and measured for wear. Valve body valves and valve bores are inspected and valve bores are machined as required. Completed valve bodies are tested for proper operation prior to dyno testing. Transmissions are assembled, end plays are set and fasteners are torqued to the required specification. All of transmissions are dynamometer tested to ensure proper pressures and shift quality throughout the operating range. All upshifts and downshifts are checked against preset parameters. Torque converter stall speed and lockup is verified on the dyno test. Transmission park locking mechanism is checked during dyno test. (where applicable). (Torque Converter) All of converters are dynamic balanced. All of pumps are furnaced brazed. All new bearings and o’rings. All new springs and rollers in stator. All new thrust washers. All new friction liners in overdrive lockup converters. Converter endplay and hub/pump runout and diameter is checked.

Product Features:
  • All transmissions are completely disassembled and cleaned. All cases are media blasted. Internal parts are inspected for wear or damage and replaced as required. All bushings are inspected and replaced as required.
  • 100% of friction components are replaced with upgraded heavy duty parts.
  • Drum assemblies are air checked and side play is checked to assure proper clearance. 100% of seals, o’rings and gaskets are replaced.
  • 100% of solenoids are checked and replaced if they do not pass duty cycle tests. Internal wiring harness are checked and replaced as necessary. Valve bodies are disassembled, cleaned, and measured for wear.
  • Transmissions are assembled, end plays are set and fasteners are torqued to the required specification.
  • Torque Converter: 100% of converters are dynamic balanced. 100% of pumps are furnaced brazed. 100% new bearings and o’rings. 100% new springs and rollers in stator. 100% new thrust washers. 100% new friction liners in overdrive lockup converters.
  • 100% of transmissions are dynamometer tested to ensure proper pressures and shift quality throughout the operating range. All upshifts and downshifts are checked against preset parameters. Torque converter stall speed and lockup is verified on the dyno
See More

Best-Selling 2004 Mercury Mountaineer Shift Interlock Solenoid

Upgrade your Mountaineer with our best-selling Shift Interlock Solenoid.

Dorman – Transmission Shift Interlock Solenoid (Part No.924-974)

Transmission Shift Interlock Solenoid

from

$191.99
This shift interlock solenoid is designed to match the fit and function of the original solenoid on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this shift interlock solenoid is designed to match the fit and function of the original solenoid on specified vehicles
  • Ideal solution – this solenoid is a reliable replacement for an original part that is damaged or has failed due to fatigue, excessive heat or electrical current
  • Durable construction – this solenoid is made from quality components to ensure reliable performance and a long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Top-Quality Transmission Solenoids for 2004 Mercury Mountaineers

Choose a high-quality OEM or aftermarket Transmission Solenoid for Mercury Mountaineers and enjoy top-notch performance from $317.99.

Pro-King – Remanufactured Transmission Solenoid Block (Part No.RTS106)

Remanufactured Transmission Solenoid Block

from

$317.99
Remanufactured to meet or exceed OE quality, with inherent OE flaws corrected to improve longevity and performance.

Product Features:
  • All blocks are pretested
  • All blocks are serialized
See More

Carquest Premium – Automatic Transmission Control Solenoid (Part No.TCE1024)

Automatic Transmission Control Solenoid

from

$469.99
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.
See More

Our Top Pick for a 2004 Mercury Mountaineer Automatic Transmission Shift Linkage

Invest in a durable Automatic Transmission Shift Linkage for your 2004 Mercury, knowing you’re getting trusted brands and expert craftsmanship.

Dorman – Help – Shifter Cable Bushing Kit (OE Fix) (Part No.14908)

Shifter Cable Bushing Kit (OE Fix)

from

$20.49
When the transmission linkage clips break on many Ford, Lincoln and Mercury vehicles, you usually have to replace the entire shifter cable assembly. This Dorman OE FIX clip allows direct replacement of only the failed original clip, saving money.

Product Features:
  • Smart fix – this direct replacement shift linkage clip saves time and money by directly replacing the failure-prone clip on many Ford, Lincoln and Mercury vehicles
  • Effective alternative – allows you to restore shifter mechanism operation without replacing the entire shifter cable assembly
  • Application specific – made for certain Ford, Lincoln and Mercury vehicles
  • Quality engineering – designed in the United States and backed by decades of automotive aftermarket experience
See More

Our Transmission Control Modules for 2004 Mercury Mountaineers

Make a smart move for your 2004 Mercury Mountaineer with our Transmission Control Module for $381.99.

Dorman – Remanufactured Transmission Solenoid Pack (Part No.609-022)

Remanufactured Transmission Solenoid Pack

from

$381.99
This transmission control module has been fully tested and validated to match the function and performance of the original TCM on specified vehicle applications.

Product Features:
  • Direct replacement – this transmission control module matches the function and performance of the stock TCM on specified years, makes and models
  • Ideal solution – this transmission control module is a reliable replacement for an original part that has failed due to corrosion or electrical failure
  • Thoroughly tested – this TCM has undergone full vehicle simulator testing to confirm full functionality for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
See More

FAQs for 2004 Mercury Mountaineer Automatic Transmission Parts

What are the best-selling Automatic Transmission Parts for 2004 Mercury Mountaineers?

Out of 17 Automatic Transmission Parts that fit 2004 Mercury Mountaineers, the following parts are the top sellers:

What’s the price range for 2004 Mercury Mountaineer Automatic Transmission Parts?

The prices of Automatic Transmission Parts for the 2004 Mercury Mountaineer range from $20.49 up to $2,716.00 for the most premium parts.

What is the average price of an Automatic Transmission Part for a 2004 Mercury Mountaineer?

The average price for Automatic Transmission Parts for the 2004 Mercury Mountaineer is $1,369.92. Keep in mind the variety of part types within our Automatic Transmission Part category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Automatic Transmission Parts for other Mercury Mountaineer model years?

Yes, we carry Automatic Transmission Parts for 12 model years of Mercury Mountaineers between 1997 and 2010. The following model years are the most popular for Automatic Transmission Part purchases: 2010, 2009, 2008, 2007, 2006, 2005, 2003, 2002, and 2001.

What are the cheapest Automatic Transmission Parts for my 2004 Mercury Mountaineer?

The cheapest 2004 Mercury Mountaineer Automatic Transmission Parts we carry are:

Does Advance Auto Parts sell Automatic Transmission Parts for any other 2004 Mercury models?

Yes. We stock Automatic Transmission Parts for 2 other popular 2004 Mercury models. Some of the most popular are 2004 Grand Marquis Automatic Transmission Parts, 2004 Monterey Automatic Transmission Parts, and 2004 Marauder Automatic Transmission Parts.

What types of Automatic Transmission Parts do you sell for my 2004 Mercury Mountaineer?

As of 11/2/25, these are some of the most in-demand types of Automatic Transmission Parts for a 2004 Mercury Mountaineer:

Can I get help with 2004 Mercury Mountaineer Automatic Transmission Part orders?

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

What is your return policy for Mercury Mountaineer Automatic Transmission Parts?

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