Subaru WRX STI Transmission Parts

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Essential Subaru WRX STI Transmission Parts

Anchor – Transmission Mount: Rear, 1 Piece (Part No.9566)

Transmission Mount: Rear, 1 Piece

from

$97.99
Anchor 9566 This mount supports the transmission and dampens vibration. Each mount is specifically engineered and designed to OE standards. Natural and SBR rubber provide maximum life and performance. Steel fasteners are heat treated grade 5 bolts. A special bonding agent is used to ensure a rubber to metal bond. Rubber material is mixed to specific Durometer, hardness.

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 Chemlok 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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National – Differential Pinion Seal (Part No.1173)

Differential Pinion 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:
  • Design type: spring loaded; multi-lip
  • Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
  • Resistance to EP lubricants
  • Low swell in hydrocarbon fluids
  • Delivers quality and reliable performance for every type of repair
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Carquest Premium – Back Up Light Switch (Part No.SAA3436)

Back Up Light Switch

from

$28.99
Carquest Premium Vehicle Solutions provides high-quality solutions for a wide range of applications. The Back Up Light Switch automatically activates the rear backup lights when the vehicle is shifted into reverse. This improved visibility for the driver and alerts other vehicles or pedestrians when the vehicle is reversing, reducing the risk of accidents. 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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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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Nolathane – Gearbox Crossmember Pad Bushings – Manual Transmission Only (Part No.REV204.0042)

Gearbox Crossmember Pad Bushings - Manual Transmission Only

from

$14.99
Soft factory bushings whilst they do a good job of not transmitting engine vibration, they do create vague and unresponsiveness in the vehicles drive train. Under hard acceleration, the engine and transmission rotates, Nolathane engine mount bushings work in conjunction with the OE rubber bushing giving your car better throttle response as well as more crisp and defined gear shifts.

Product Features:
  • Kit Contains: 4 bushings
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National – Multi-Purpose Bearing (Part No.30208)

Multi-Purpose Bearing

from

$31.99
Product Features:
  • CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
  • PREMIUM MATERIALS: Precision manufactured using high-quality materials for durability and performance
  • 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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Carquest Premium – Neutral Safety Switch (Part No.CSA2349)

Neutral Safety Switch

from

$36.99
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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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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Imperial – High Performance Transmission Oil Cooler (Part No.240514)

High Performance Transmission Oil Cooler

from

$79.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:
  • Imperial high-performance transmission cooler
  • Size: 3/4″ x 7-1/2″ x 15-7/8″
  • SAE 45-degree fittings for maximum reliability
  • Electrostatic powder-coated to prevent corrosion
  • Up to Class C motorhomes, towing up to 5,000 pounds
  • SAE 45 degree fittings for maximum reliability
  • Electrostatically powder coated to prevent corrosion
  • All aluminum lightweight construction
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Imperial – Econo-Kool Transmission Oil Cooler (Part No.242010)

Econo-Kool Transmission Oil Cooler

from

$55.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:
  • Imperial Econo-Kool tube and fin transmission cooler
  • Size: 3/4″ x 5″ x 15-7/8″
  • Compact and mid-size cars
  • GVWR up to 16,000 lbs.; towing up to 2,500 lbs.
  • Compatible with OEM cooler systems
  • Ultrasonically soldered for reliability
  • 100% pressure testing to 150 PSI for quality assurance
  • High efficiency turbulators
  • Compatible with OEM cooler systems
  • Ultrasonically soldered for reliability
  • 100% pressure testing to 150 PSI for quality assurance
  • High efficiency turbulators
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Imperial – Econo-Kool Transmission Oil Cooler (Part No.242009)

Econo-Kool Transmission Oil Cooler

from

$40.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:
  • Imperial Econo-Kool tube and fin transmission cooler
  • Size: 3/4″ x 5″ x 12-1/2″
  • Sub-compact to compact cars
  • GVWR up to 12,000 lbs.
  • Compatible with OEM cooler systems
  • Ultrasonically soldered for reliability
  • 100% pressure testing to 150 PSI for quality assurance
  • High efficiency turbulators
  • Compatible with OEM cooler systems
  • Ultrasonically soldered for reliability
  • 100% pressure testing to 150 PSI for quality assurance
  • High efficiency turbulators
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National – Manual Transmission Input Shaft Seal (Part No.222558)

Manual Transmission Input Shaft Seal

from

$8.49
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: -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.710324)

Multi Purpose Seal

from

$13.49
Product Features:
  • Design type: spring loaded; multi-lip
  • Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
  • Good low temperature capability
  • Low swell in hydrocarbon fluids
  • Delivers quality and reliable performance for every type of repair
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National – Multi-Purpose Seal (Part No.710739)

Multi-Purpose Seal

from

$8.79
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: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
  • Resistance to EP lubricants
  • Low swell in hydrocarbon fluids
  • Delivers quality and reliable performance for every type of repair
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Whiteline – Front Gearbox Selector Bushing (Part No.KDT958)

Front Gearbox Selector Bushing

from

$30.99
The Whiteline shifter bushing kit has been engineered to eliminate that sloppy, plush shifter feel found in the rubber OEM bushings. By drastically reducing the bushing compliance, improves the crispness of cross gate up and downshifts removing the potential of missed and poor shifts. Also incorporating a radius edged flanged bushing head reduces any potential of bushing grab or stiction on the mounting faces during the initial shifting moment allowing a bind free clean gear shift.

Product Features:
  • Install guide included providing detailed instructions on how to install your new Whiteline purchase.
  • Protective plating on all metal components acts as a hard skin that is much tougher than conventional paint allowing this product to withstand the toughest conditions and resist corrosion for years to come.
  • Whiteline’s latest technology synthetic elastomer formulation boasts resistance to oil, grease, ozone and weathering.
  • Supplied with extreme pressure molybdenum disulphide (LM) based grease for extended life.
  • Internal grease reservoirs provide continual self lubrication for optimum friction management.
  • Install guide included providing detailed instructions on how to install your new Whiteline purchase.
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Anchor – Torque Strut Motor Mount: Rear, 1 Piece (Part No.9559)

Torque Strut Motor Mount: Rear, 1 Piece

from

$33.99
Anchor 9559 The Torque Strut prevents engine rocking. Each part is engineered and designed to OE Standards. Natural and SBR rubber provide maximum life and performance. Steel fasteners are heat treated grade 5 bolts. A special bonding agent is used to ensure a rubber to metal bond. Rubber material is mixed to specific Durometer, hardness.

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 Chemlok 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
See More

National – OIL SEAL (Part No.710724)

OIL SEAL

from

$9.79
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: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
  • Resistance to EP lubricants
  • Low swell in hydrocarbon fluids
  • Delivers quality and reliable performance for every type of repair
See More

Helping You Find the Right Transmission Parts for Your Subaru WRX STI

You love your WRX STI. So we’ve made it easier than ever to help you find Subaru WRX STI Transmission Parts in our online catalog. Our inventory holds 23 aftermarket and OEM Transmission Parts for your Subaru WRX STI, ranging from $8.49 to $97.99.

We offer parts from 6 brands trusted to make quality Transmission Parts for your Subaru WRX STI. Before you buy, take some time to read through customer reviews. We currently have 2,030 reviews of Subaru WRX STI Transmission Parts from previous customers. Some of the top rated parts include Econo-Kool Transmission Oil Cooler with 4.3 stars.

Find your WRX STI Transmission Parts here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your Subaru WRX STI 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 Subaru WRX STI

Our inventory holds Transmission Parts for your Subaru WRX STI from 6 trusted brands. You’ll find OEM and aftermarket parts from brands like Imperial, National, and Anchor, all of which can keep that Subaru happy.

FAQs for Subaru WRX STI Transmission Parts

What are the most purchased Transmission Parts for the Subaru WRX STI?

Out of 23 Transmission Parts for the Subaru WRX STI, the most popular in our inventory are:
Econo-Kool Transmission Oil Cooler
from $40.99
(10)
Econo-Kool Transmission Oil Cooler
OE Transmission Coolers
Transmission Oil Cooler Reinstallation Kit
from $25.99
(4)
Transmission Oil Cooler Reinstallation Kit
Transmission Oil Cooler Fittings

What are the top-rated Subaru WRX STI Transmission Parts?

Top-rated Transmission Parts for your Subaru WRX STI based on customer reviews/ratings are:
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!”