2003 Subaru Legacy Transmission Parts

Essential 2003 Subaru Legacy Transmission Parts

Carquest Premium – Neutral Safety Switch (Part No.CSA2344)

Neutral Safety Switch

from

$76.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Nippon Reinz – Valve Cover Seal Washer (Part No.A8033104715NRZ)

Valve Cover Seal Washer

from

$1.71
Innovative product design and high quality materials allows us to provide Victor Reinz gaskets to meet specific engine requirements. The Dana global team of experienced engineers works with all engine types and configurations to offer the best sealing solution for specific applications.

Product Features:
  • Improved reliability, durability, and engine performance
  • Embossment shapes designed to improve durability
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National – Bearings (Part No.30208)

Bearings

from

$29.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Matched cup and cone components ensures consistent quality and outstanding performance
  • Industry leading coverage
  • Professional technicians know they can depend on National
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Dorman – Transmission Oil Pan: Direct Fit, Steel, 9.8 Quart (Part No.265-859)

Transmission Oil Pan: Direct Fit, Steel, 9.8 Quart

from

$66.99
This replacement transmission oil pan is a direct replacement for a damaged original equipment transmission pan. Made of quality materials, it’s designed for reliable, leak-free service.

Product Features:
  • Ideal replacement – this transmission oil pan matches the fit and function of the original pan for a trouble-free replacement
  • Durable construction – this transmission oil pan is made of quality materials for durability and leak-free performance
  • Cost-effective solution – offers original equipment performance at competitive price
  • Quality tested – this part has undergone try-on testing to ensure a quality fit
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Driveworks – Oil Seal (Part No.S-225010)

Oil Seal

from

$4.49
Product Features:
  • Brand may vary by location
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Driveworks – Taper Bearing Set (Part No.S-30208)

Taper Bearing Set

from

$17.99
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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Driveworks – Auto Transmission Output Shaft Seal (Part No.S-223050)

Auto Transmission Output Shaft Seal

from

$8.79
Product Features:
  • Brand may vary by location
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Carquest Premium – Vehicle Speed Sensor (Part No.SNA1097)

Vehicle Speed Sensor

from

$71.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Whiteline – Gearbox Mount Bushing (Part No.KDT956)

Gearbox Mount Bushing

from

$40.99
Factory Transmission mounts are built for comfort and the heavily voided Subaru transmission mounts are no exception. Reduce the lag in your shift response and feel by removing the slop from the rubber transmission mounting by inserting Whiteline’s low compliance polymer insert. Designed to fill the voided areas in the transmission mount this achieves a crisp feel through gear changes and on/off throttle applications.

Product Features:
  • Inserts are designed to work with the original factory bushing rather than replacing it.
  • Inserts are designed to work with the original factory bushing rather than replacing it.
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Imperial – High Performance Transmission Oil Cooler (Part No.240514)

High Performance Transmission Oil Cooler

from

$81.99
High Performance Transmission Oil Cooler 3/4″ x 7-1/2″ x 15-1/2″. Heavy duty. Black. Imperial High Performance coolers are designed to provide outstanding cooling as well as complement other high-performance accessories.

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
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Permatex – High-Torque, High-Vibration RTV Silicone Gasket Maker, 13 OZ (Part No.82195)

High-Torque, High-Vibration RTV Silicone Gasket Maker, 13 OZ

from

$26.99
Permatex Ultra Grey is specified for high torque and high vibration applications. Ultra Grey offers a sensor-safe, low odor, non-corrosive formula and is OEM specified to fit dealership warranty requirements. This high performance gasket maker meets performance specs of OE silicone gaskets and can be used on high torque and vibration applications such as valve covers, water pump, intake manifold end seals ad thermostat housings.

Product Features:
  • High torque and rigidity
  • Sensor-safe, non-corrosive formula
  • OEM specified
  • Low-odor, non-corrosive formula
  • Ideal for closed spaced bolt patterns
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Mark Automotive – Output Shaft Seal (Part No.J115754519MAM)

Output Shaft Seal

from

$15.12
Output Shaft Seal

National – Multi Purpose Seal (Part No.223051)

Multi Purpose Seal

from

$4.29
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
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Carquest Premium – Back Up Light Switch (Part No.SBA4749)

Back Up Light Switch

from

$49.49
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Anchor – Torque Strut Motor Mount: Rear, 1 Piece (Part No.9559)

Torque Strut Motor Mount: Rear, 1 Piece

from

$29.99
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. The Torque Strut prevents engine rocking. Each part is 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 SAAB 05-06; SUBA 99-22;. 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: 1999-2022
  • Weight approx: 1 Lbs
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Moveras – 4EAT – Automatic Transmission (Part No.M01880)

4EAT - Automatic Transmission

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$2629.99
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.
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NOK – MT Output Shaft Seal (Part No.J1157403532NOK)

MT Output Shaft Seal

from

$8.95
MT Output Shaft Seal

Dorman – Oil Drain Plug Gaske (Part No.A6120831481DOR)

Oil Drain Plug Gaske

from

$17.70
Dorman’s Engine Oil Drain Plug Gaskets are conveniently available in packs of varying quantities. Many styles are offered, including Copper, Aluminum, Nylon, Metal/Rubber, Inset, Fiber and Crush gaskets. Replacement is recommended at every oil change. Oil filter caps are available separately.

Product Features:
  • Direct replacement gaskets and some universal gaskets available. Proper fit with the drain plug ensures a tight seal.
  • Gaskets are also included with many of Dorman’s Engine Oil Drain Plugs and Pans
  • Made to specific sizes and standards to ensure a proper fit
  • Designed and constructed to strict engineering quality standards
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Anchor – Transmission Mount: Rear, 1 Piece (Part No.9566)

Transmission Mount: Rear, 1 Piece

from

$81.99
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 SUBA 04-19;. 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: 2004-2019
  • Weight approx: 3 Lbs
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Anchor – Transmission Mount: Rear, 1 Piece (Part No.9769)

Transmission Mount: Rear, 1 Piece

from

$85.99
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 SUBA 10-14;. 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: 2010-2014
  • Weight approx: 3 Lbs
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Dorman – Transmission Oil Cooler Line: Exact Fit, Rubber (Part No.624-702)

Transmission Oil Cooler Line: Exact Fit, Rubber

from

$18.99
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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Permatex – The Right Stuff: Grey, 90 Minute Gasket Maker, 3 OZ (Part No.34328)

The Right Stuff: Grey, 90 Minute Gasket Maker, 3 OZ

from

$17.49
Permatex’s The Right Stuff 90 Minute Series offers the fastest return to service in a in just 90 minute! This leak-proof, elastomeric “Formed-in-place” material is more reliable and longer lasting than pre-cut gaskets. It is blowout resistant and protects against leaks and seepage caused by vibration and thermal expansion. The Right Stuff 90 Minute Grey is specified for high torque and high vibration applications and is formulated to meet or exceed performance standards for long-term sealability, durability and handling.

Product Features:
  • Designed to perform under higher torque loads associated with engines having closely spaced bolt patterns
  • Sensor-safe, non-corrosive, RTV silicone
  • Protects against leaks caused by vibration and thermal expansion
  • Meets performance specs of OE silicone gaskets
  • Quickly returns vehicle to service in just 90 minutes
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Mark Automotive – Automatic Transmission Pan Gasket (Part No.J504031430MAM)

Automatic Transmission Pan Gasket

from

$20.21
Automatic Transmission Pan Gasket

National – Multi Purpose Seal (Part No.225010)

Multi Purpose Seal

from

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

Product Features:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
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NOK – Drive Axle Seal (Part No.J7043406572NOK)

Drive Axle Seal

from

$11.06
Drive Axle Seal

National – Multi Purpose Seal (Part No.710324)

Multi Purpose Seal

from

$13.29
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

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

ATP – AT EXT HOUSING SEAL (Part No.NO-10)

AT EXT HOUSING SEAL

from

$2.99
AT EXT HOUSING SEAL

Driveworks – Oil Seal (Part No.S-221820)

Oil Seal

from

$2.79
Product Features:
  • Brand may vary by location
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2003 Subaru Legacy Transmission Parts

You count on your 2003 Subaru Legacy to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Transmission Parts. With 46 Transmission Parts ranging in price from $1.71 to $2,629.99, you’re sure to find everything you need for your 2003 Subaru Legacy.

Brands matter. If you want to shop a specific Transmission Parts brand, we stock 15 different brands like Imperial, Permatex, and National. 2003 Subaru Legacy Transmission Parts start as low as $1.71!

One of the best ways to find top quality OEM or aftermarket Transmission Parts is by asking professionals. Short of that, you can shop with confidence thanks to our 258 extensive product reviews on 2003 Subaru Legacy Transmission Parts. Some of the top-rated Transmission Parts products we carry are Maxi-Kool® XL Transmission Oil Cooler with 5.0 stars and Transmission Mount: Rear, 1 Piece with 2.0 stars.

Did we mention you can order your Transmission Parts from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Transmission Parts inventory for your 2003 Subaru Legacy below to get started!

Top-Rated Transmission Parts Brands For Your 2003 Subaru Legacy

Trusted Transmission Parts OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2003 Subaru Legacy running right for years to come. In our inventory you’ll find brands like Imperial, Permatex, National, and even more.

Popular Permatex Transmission Parts

You’ll find popular Permatex brand products across Automatic Transmission Pan and Gaskets. All are waiting to get your 2003 Subaru Legacy back on the road. Some of the top-rated Permatex products in these categories are:
High-Torque, High-Vibration RTV Silicone Gasket Maker, 13 OZ
from $26.99
(7)
High-Torque, High-Vibration RTV Silicone Gasket Maker, 13 OZ
Transmission Pan Gaskets

FAQs for 2003 Subaru Legacy Transmission Parts

What are the most purchased Transmission Parts for the 2003 Subaru Legacy?

Out of 46 Transmission Parts for the 2003 Subaru Legacy, the most popular in our inventory are:
High Performance Transmission Oil Cooler
from $85.99
(4)
High Performance Transmission Oil Cooler
OE Transmission Coolers
Plate and Fin Style Trans Cooler 3/4" x 9-1/2" x 11" Heavy Duty
from $80.99
(8)
Plate and Fin Style Trans Cooler 3/4" x 9-1/2" x 11" Heavy Duty
OE Transmission Coolers
The Right Stuff: Grey, 90 Minute Gasket Maker, 3 OZ
from $17.49
This product is not rated
The Right Stuff: Grey, 90 Minute Gasket Maker, 3 OZ
Transmission Oil Pan Gaskets

What are the top-rated 2003 Subaru Legacy Transmission Parts?

Top-rated Transmission Parts for your 2003 Subaru Legacy based on customer reviews/ratings are:
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”
Transmission Mount: Rear, 1 Piece
from $70.99
(5)
Transmission Mount: Rear, 1 Piece
“Good!”
Econo-Kool® Transmission Oil Cooler
from $52.99
(4)
Econo-Kool® Transmission Oil Cooler
“I just like the additional cooling on all my vehicles for transmission to last longer. They aren’t getting any cheaper to overhaul!”