1989 GMC S15 Transmission Parts

Name: Transmission Line Connector
Brand: Dorman
SKU: 800-755
Price: 12.99 USD
Rating: 5.0 (1 reviews)

Below you will find various in-demand GMC Transmission Parts, components and accessories for your 1989 S15. Advance Auto Parts has popular S15 parts like Transmission Bearings, Automatic Transmission Parts, Transmission Mounts and more. You’ll also find aftermarket and OEM Transmission Parts for other S15 model years including 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1990 and more. Select a category of 1989 GMC S15 Transmission Parts below and start saving instantly.

Popular 1989 GMC S15 Transmission Parts Categories

Gear Shift Levers

Transmission Torque Converters

OE Transmission Coolers

Transfer Shaft Bearing

Transmission Solenoids

Transmission Oil Cooler Lines

Transmission Shift Cables

Automatic Transmission Governors

Manual Transmission Output Shaft Bearings

Automatic Transmission Torque Converter Clutch Solenoids

Transmission Pan Gaskets

Automatic Transmission Drain Plugs

Automatic Transmission Line Connectors

Pinion Bearings

Transmission Mounts

Transmission Oil Pans

Transmission Master Repair Kits

Back Up and Neutral Safety Switches

Transmission Rebuild Kits

Transmission Oil Pan Gaskets

Automatic Transmission Wiring Harness

Speed Sensors

Automatic Transmission Differential Bearings

Transmission Bushings

Detent Cables

Pinion Seals

Neutral Safety Switch Connectors

Miscellaneous Shift Shaft Seals

Automatic Transmission Dipstick Seals

Transmission Seals and O-rings

Automatic Transmission Extension Housing Seal Kits

Torque Converter Seals

Extension Housing Seals

Manual Transmission Output Shaft Seals

Transmission Shift Kits

Transmission Bands

Automatic Transmission Selector Shaft Seals

Automatic Transmission Flexplate Mounting Bolts

Automatic Transmission Output Shaft Bearings

Automatic Transmission Detent Cable Seals

Shift Shaft Seals

Automatic Transmission Oil Pump Gaskets

Manual Transmission Seals

Automatic Transmission Oil Pump O-Rings

Automatic Transmission Shifter Cable Brackets

Remanufactured Automatic Transmissions

Torque Converter Bearings

Automatic Transmission Kickdown

Manual Transmission Countershaft Bearing Set

Essential Transmission Parts for 1989 GMC S15s

from

$12.99

Made of quality materials, this automatic transmission oil cooler line connector matches the fit and function of a damaged original equipment connector to restore leak-free performance between the transmission and the oil cooler.

Product Features:

Quality replacement – this transmission cooler connector matches the fit and function of the original equipment connector
Durable construction – this oil cooler line connector is made of quality materials for a precise fit and leak-free durability
Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
Ideal shop supply – this connector is recommended to have on hand any time service is being performed on the transmission oil cooler line

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: -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

from

$39.99

Detent cables connect the throttle mechanism to the transmission. Old cables can bind, break, or just become sluggish. The best repair is to replace the old cable with a new one. ATP Detent cables are designed to fit and function just like the original part to ensure durability and long life.

Product Features:

Includes brackets, grommets, etc to match original
Helps transmission determine ideal downshift
Improves vehicle performance

from

$10.29

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

from

$75.99

Stock depth chrome plated automatic transmission pans are complete with drain plug, washer and gasket. Matching dipsticks with tubes sold separately.

Product Features:

Stock depth and capacity
Chrome plated
Includes drain plug/washer/gasket

from

$8.99

AT SEL SHAFT SEAL

from

$61.99

ATP Automatic Transmission Control Solenoid (Lock-Up)

from

$6.49

The purpose of the mount is to support the engine and transmission on the chassis and dampen vibration and noise from reverberating to the rest of the vehicle. Engine and Transmission Mounts are engineered and manufactured to meet or exceed OEM specifications using the latest CAD/CAM engineering process to ensure superior quality, form, fit and function. Only premium quality materials are used in the manufacturing process to guarantee precise performance and maximum durability. Applicable to BUIC 77-82; CHEV 78-05; GMC 81-99; OLDS 78-83; PONT 75-93;. 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: 1975-2005
Weight approx: 1 Lbs
HEIGHT: 1.95 INCH / 49.53 MM WITHOUT STUD
STUD AND BOLT HOLES INLINE
STUD: M10-1.50
MOUNT HOLES: 3.75 INCH / 95.25 MM

from

$256.99

AT MSTR REP KIT PLUS

from

$10.99

AT OIL PUMP GASKET

from

$48.99

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.

from

$5.99

AT DPSTK TUBE SEAL

from

$207.99

AT BANNER KIT

from

$125.99

This kit allows you to adjust the shift points of your transmission after it is installed in your vehicle. The Governor Recalibration Kit is very useful if you have a vehicle that is very light; has a low rear-end gear ratio.

Product Features:

Adjust Shift Points Of Transmission
Useful For Light Vehicles
For Low Rear End Gear Ratio
Or Useful If It Is Conversion

from

$3.99

AT DETENT CABLE SEAL

from

$7.49

Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.

Product Features:

High-precision and High-quality components used in all KITs
Coverage of classic and new high-tech solutions for the best system coverage

from

$899.99

The Holeshot Converter is a very good choice for the typical street machine that is looking for better launch capability and more strength. With a furnace brazed turbine, New turbine hub and dual pattern drive lugs on some GM Holeshots.

Product Features:

Furnace Brazed Impeller
Steel Alloy Pump Drive Tube
Heavy Duty Needle Bearing
Between Stator and Turbine
Furnace Brazed Turbine

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

from

$599.99

The Stealth Pro Ratchet shifter is one of our most popular and easiest to operate race shifters. Features include positive ratcheting design that self-centers the handle after each shift giving you maximum clearance behind the shifter and will not allow y

Product Features:

Reverse Lockout Meets NHRA And IHRA Requirements
Carbon Fiber Look Without The Cost
Reliable And Race Proven Shifter Design
Short Throw
Stick Returns to Center

from

$8.99

AT EXT HOUSING SEAL

from

$81.99

ACDelco Professional ABS Wheel Speed Sensor is a high quality aftermarket replacement component for one or more of the following vehicle systems: automatic transmission/transaxle, and/or manual drivetrain and axles. This premium aftermarket sensor is manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:

Professional, premium aftermarket replacement
Provides the performance and dependability you expect from ACDelco
Manufactured to meet expectations for fit, form, and function

from

$8.99

Product Features:

Brand may vary by location

from

$35.99

You can forget about the problem of shearing a torque converter bolt after you install these super strong 200,000 PSI gems. They are designed for each specific application and provide the optimum grip. Kits come with hardened parallel ground washers.

Product Features:

Super Strong, Rated At 200,000 PSI
Kits Come With Hardened Parallel Ground Washers
Made In USA
0.590″ Underhead Length
M10 X 1.5 Thread Size
Set of 6

from

$10.99

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$1609.99

While we do not sell this item online, it can be ordered from one of our 3,500 store locations. Please see our Store Locator to find the store nearest you. Please note: Online promotions and discounts are not applicable to this item. Moveras Remanufactured Transmissions manufactures automatic transmissions for virtually every vehicle on the road. We are committed to remanufacturing transmissions to the same standards and methodologies used for OEM transmissions. Each Moveras transmission is produced in a World Class manufacturing facility. Our entire process has been developed from scratch, utilizing LEAN manufacturing principles. Our transmissions are produced in a Clean Room environment. Every transmission is built to the same exacting standards by using a precisely documented and controlled process.

Product Features:

Product might not be available in all states due to local laws.

from

$17.49

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

Product Features:

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

from

$85.99

The B&M Shift Improver Kit the easiest way to get the performance you’ve always wanted out of your automatic transmission, two modes to select from: Heavy Duty, or Street/Strip. It’s our least expensive and simplest to install kit.

Product Features:

Provides Crisp Shifts
On Any Stock Automatic Transmission
Eliminates Soft/Sluggish Shift
Eliminates Shift Overlap
Eliminate Clutch and Band Wear
Improves Transmission Life
Transmission Removal Not Required

from

$16.79

High-precision and High-quality components used in all KITs
Coverage of classic and new high-tech solutions for the best system coverage

Upgrade your 1989 GMC S15 with Top-Quality Transmission Parts

When it comes to maintaining or upgrading your 1989 GMC S15, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your GMC or enhancing its overall performance, Transmission Parts are key to keeping your S15 functioning at its best. At Advance Auto Parts, we offer a wide selection of 111 Transmission Parts for the 1989 GMC S15, designed to meet your needs without breaking the bank. From Transmission Bearing replacements to Automatic Transmission Parts upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Transmission Parts for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Transmission Parts for your 1989 GMC S15 at great prices. Our Transmission Parts inventory for this model ranges from just $3.99 to $1,609.99, with an average price of $138.23. Our 111 Transmission Parts in stock come from 20 trusted brands, so you’re sure to find the right part for your 1989 GMC S15 without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 1989 GMC S15, we stock popular OEM and aftermarket Transmission Parts from top names like National, Imperial, B & M, and more. National Transmission Parts start at just $6.99 and boast an impressive 4.3 stars average rating from customers. Imperial and B & M also bring quality to the table, with Transmission Parts available starting at $47.99, and at an average 4.1 stars rating. With 1,353 customer reviews and counting, our 1989 GMC S15 Transmission Parts have a strong track record of reliability, ensuring you can trust your purchase.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Transmission Part upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 1989 GMC S15 is always ready to roll. We’re committed to providing you with everything you need to keep your S15 in top shape, all in one place. Start shopping confidently below for your 1989 GMC S15!

Best-Selling Transmission Bearings for 1989 GMC S15s

Enhance the driving experience in your GMC with 7 quality Transmission Bearing components, starting at $8.79.

show more show less

from

$10.99

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$12.99

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$17.99

Product Features:

CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
PREMIUM MATERIALS: Precision manufactured using premium-grade steel for outstanding durability and performance
SMOOTH ROTATION: Crowned raceways and rollers for even load distribution
OE-STYLE DESIGN: Engineered to meet OE specifications
COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on

from

$15.29

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

Product Features:

PREMIUM MATERIALS — Precision manufactured using premium-grade steel for outstanding durability and performance
SMOOTH ROTATION — Crowned raceways and rollers for even load distribution
OE-STYLE DESIGN — Engineered to meet OE specifications
COMPREHENSIVE COVERAGE — Industry-leading coverage for domestic and import applications
RIGOROUS TESTING — Comprehensive testing throughout design and development processes by National engineers for quality you can count on

from

$8.99

Product Features:

Brand may vary by location

from

$13.29

Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.

Product Features:

PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
SMOOTH ROTATION – Crowned raceways for even load distribution
OE-STYLE DESIGN – Engineered to meet OE specifications
COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on

from

$8.79

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

Most Popular 1989 GMC S15 Automatic Transmission Parts

Customize your GMC with 20 Automatic Transmission Parts products like Transmission Solenoids, Transmission Bushings, and Detent Cables, all priced under $1,609.99.

show more show less

from

$34.99

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:

Quick Link Splice Connectors

from

$4.99

This clutch pilot bushing is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:

Direct replacement – this clutch pilot bushing matches the fit and function of the factory part on specified years, makes and models
Ideal solution – this bushing is a reliable replacement for an original part that has failed due to fatigue
Durable construction – this part is made from quality materials to ensure reliable performance and long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

from

$33.99

Cable Bracket, GM APPLICATION: For TH400, 350, 250, 200, 700R4, 2004R transmissions.

Product Features:

Shifter Service Parts

from

$7.99

ATP Detent Cable End repair damaged or bent end clips found on 1980-96 General Motors applications.

Product Features:

Saves money by allowing cable repair instead of replacement.
Easy to use

from

$10.99

This brake pedal bushing is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:

Direct replacement – this brake pedal bushing matches the fit and function of the factory part on specified years, makes and models
Ideal solution – this bushing is a reliable replacement for an original part that has failed due to fatigue
Durable construction – this part is made from quality materials to ensure reliable performance and long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

from

$41.99

ATP Universal Fit Detent Cables are designed to cover many applications and are no compromise replacement parts

Product Features:

Includes brackets, grommets, etc to match original
Fits many GM transmissions
Adjustable

from

$8.99

AT OIL PUMP ORING

from

$7.29

Direct replacement – this clutch pilot bushing matches the fit and function of the factory part on specified years, makes and models
Ideal solution – this bushing is a reliable replacement for an original part that has failed due to fatigue
Durable construction – this part is made from quality materials to ensure reliable performance and long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

from

$33.99

AUTO TRANS BAND

from

$11.99

AT FRT PUMP BUSHING

from

$61.99

ATP Automatic Transmission Control Solenoid (Lock-Up)

from

$3.99

Direct replacement – this clutch pilot bushing matches the fit and function of the factory part on specified years, makes and models
Ideal solution – this bushing is a reliable replacement for an original part that has failed due to fatigue
Durable construction – this part is made from quality materials to ensure reliable performance and long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

from

$33.99

Includes brackets, grommets, etc to match original
Helps transmission determine ideal downshift
Improves vehicle performance

from

$48.99

AT/HARNESS VSS REPR

from

$1609.99

Product might not be available in all states due to local laws.

from

$1609.99

Product might not be available in all states due to local laws.

from

$1609.99

Product might not be available in all states due to local laws.

from

$125.99

Adjust Shift Points Of Transmission
Useful For Light Vehicles
For Low Rear End Gear Ratio
Or Useful If It Is Conversion

from

$67.99

These universal fit adjustable cables will work in 95% of all listed transmission applications, yet are less expensive than OE models. Use as straight replacement cable or ease the installation of transmission swaps.

Product Features:

Universal Fit Adjustable
Less Expensive Than OE Models
Ease Trans. Swap Installation

from

$4.99

Direct replacement – this clutch pilot bushing matches the fit and function of the factory part on specified years, makes and models
Ideal solution – this bushing is a reliable replacement for an original part that has failed due to fatigue
Durable construction – this part is made from quality materials to ensure reliable performance and long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

Top Picks for 1989 GMC S15 Transmission Mounts

Upgrade GMC S15s with top-quality Transmission Mounts parts, including 5 OEM and aftermarket selections for your 1989 model.

show more show less

from

$44.99

A true performance application component for cars, trucks, hot rods, racing/competition, yet popularly used for street vehicles when more horsepower is added. Soft running enough to absorb vibrations for street use yet rugged for racing use. Helps control torque on high performance vehicles. Maintains proper drive shaft angle to help prevent early wear and unexpected power train damage. Replaces the original, short lived and typically too-soft rubber mounts and outdates those hard-running metal transmission mounts. Resistant to under vehicle fluid oils, coolants and road contaminants. Made of Energy’s Hyper-Flex performance polyurethane and heavy duty hardware – for added durability.

Product Features:

Unique Safety Interlock Design
Impervious to Vehicle Oils and Chemicals
Strong Enough Too Handle High Performance

from

$23.49

The purpose of the mount is to support the engine and transmission on the chassis and dampen vibration and noise from reverberating to the rest of the vehicle. Engine and Transmission Mounts are engineered and manufactured to meet or exceed OEM specifications using the latest CAD/CAM engineering process to ensure superior quality, form, fit and function. Only premium quality materials are used in the manufacturing process to guarantee precise performance and maximum durability. Applicable to CADI 99-14; CHEV 82-19; GMC 82-14; HUMMER 03-10; ISUZU 06-08; OLDS 91-94;. 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: 1982-2019
Weight approx: 5 Lbs
STUDS: M10-150
INTERLOCK
BOLT HOLES CENTERLINE: 7.5 INCH / 190.5 MM

from

$10.99

The purpose of the mount is to support the engine and transmission on the chassis and dampen vibration and noise from reverberating to the rest of the vehicle. Engine and Transmission Mounts are engineered and manufactured to meet or exceed OEM specifications using the latest CAD/CAM engineering process to ensure superior quality, form, fit and function. Only premium quality materials are used in the manufacturing process to guarantee precise performance and maximum durability. Applicable to BUIC 72-96; CADI 86-96; CHEV 82-05; GMC 83-04; ISUZU 97-00;. 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: 1972-2005
Weight approx: 2 Lbs

from

$90.99

Unique Safety Interlock Design
Impervious to Vehicle Oils and Chemicals
Strong Enough Too Handle High Performance

from

$97.99

Unique Safety Interlock Design
Impervious to Vehicle Oils and Chemicals
Strong Enough Too Handle High Performance

In-Demand Transmission Cooler and Parts for 1989 GMC S15s

Select from 10 premium Transmission Cooler and Parts parts for your 1989 GMC S15, with prices ranging from $25.99 to $85.99.

show more show less

from

$85.99

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

Product Features:

Imperial high-performance transmission cooler
Size: 3/4″ x 10″ x 15-7/8″
SAE 45-degree fittings for maximum reliability
Electrostatic powder-coated to prevent corrosion
SAE 45 degree fittings for maximum reliability
Electrostatically powder coated to prevent corrosion
All aluminum lightweight construction
SAE 45 degree fittings for maximum reliability
Electrostatically powder coated to prevent corrosion
All aluminum lightweight construction

from

$73.99

Product Features:

Imperial Maxi-Cool« plate and fin transmission cooler
Size: 3/4″ x 11″ x 7-1/2″
Mid-size and full-size cars, pickups
GVWR up to 20,000 lbs.; towing up to 2,500 lbs.
Compatible with OEM cooler systems
Made with the highest quality materials
100% pressure testing to 150 PSI for quality assurance
33% more efficient than a comparable tube and fin design

from

$61.99

The Imperial Maxi-Cool XL’s plate and fin design offer excellent cooling efficiency in a compact, space-efficient design.

Product Features:

Imperial Rapid-Cool plate and fin transmission cooler
Size: 3/4″ x 11″ x 6″
Sub-compact to compact cars
GVWR up to 18,000 lbs.
Compatible with OEM cooler systems
Compatible with OEM cooler systems
Ultrasonically soldered for reliability
100% pressure testing to 150 PSI for quality assurance
High efficiency turbulators

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

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

from

$80.99

The Imperial Maxi-Cool XL’s plate and fin design offer excellent cooling efficiency in a compact, space-efficient design.

Product Features:

Imperial Rapid-Cool plate and fin transmission cooler
Size: 3/4″ x 11″ x 9-1/2″
Pickup trucks and vans, class “C” motor homes, travel trailers to 24′
GVWR up to 24,000 lbs.; towing up to 5,000 lbs.
33% more efficient than a comparable tube and fin design
Compatible with OEM cooler systems
Made with the highest quality materials
100% pressure testing to 150 PSI for quality assurance
33% more efficient than a comparable tube and fin design

from

$52.99

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

Product Features:

Mid-size and full-size cars, pickups
GVWR up to 18,000 lbs.; towing up to 3,500 lbs
Compatible with OEM cooler systems
Ultrasonically soldered for reliability
100% pressure testing to 150 PSI for quality assurance
High efficiency turbulators
Compatible with OEM cooler systems
Ultrasonically soldered for reliability
100% pressure testing to 150 PSI for quality assurance
High efficiency turbulators

from

$83.99

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

Product Features:

Imperial high-performance transmission cooler
Size: 3/4″ x 7-1/2″ x 15-7/8″
SAE 45-degree fittings for maximum reliability
Electrostatic powder-coated to prevent corrosion
Up to Class C motorhomes, towing up to 5,000 pounds
SAE 45 degree fittings for maximum reliability
Electrostatically powder coated to prevent corrosion
All aluminum lightweight construction

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

from

$67.99

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

Product Features:

Imperial high-performance transmission cooler
Size: 3/4″ x 7-1/2″ x 12-1/2″
SAE 45-degree fittings for maximum reliability
Electrostatic powder-coated to prevent corrosion
SAE 45 degree fittings for maximum reliability
Electrostatically powder coated to prevent corrosion
All aluminum lightweight construction
SAE 45 degree fittings for maximum reliability
Electrostatically powder coated to prevent corrosion
All aluminum lightweight construction

Most Sold 1989 GMC S15 Transmission Seals

Explore our best-selling GMC parts for the 1989 S15 among 19 OEM and aftermarket options starting from $3.99.

show more show less

from

$12.99

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

from

$12.99

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

from

$8.99

AT SEL SHAFT SEAL

from

$3.99

Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both on and off-road, check out Motive Gear. Motive Gear products can be found in the winner’s circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.

from

$12.49

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

from

$30.49

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:

Designed to repair damaged, grooved or worn shafts
Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
Easy to install with removable flange and installation tool
Installation tool reduces sleeve distortion and allows for installation without removal from the shaft

from

$7.99

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

from

$5.99

AT DPSTK TUBE SEAL

from

$6.99

Product Features:

Design type: springless; single-lip
Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
Good low temperature capability
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$15.99

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

from

$5.99

Value-priced seal meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$3.99

AT DETENT CABLE SEAL

from

$10.29

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

from

$12.29

AT EXT HOUSING SEAL

from

$8.99

AT EXT HOUSING SEAL

from

$16.79

High-precision and High-quality components used in all KITs
Coverage of classic and new high-tech solutions for the best system coverage

from

$9.99

Product Features:

Brand may vary by location

from

$7.49

High-precision and High-quality components used in all KITs
Coverage of classic and new high-tech solutions for the best system coverage

from

$4.99

ManTransOtptShftSeal

Top-Rated Transmission Parts Brands For Your 1989 GMC S15

Shop for the best-rated brands offering Transmission Parts and other products for your 1989 GMC S15s. Below you’ll find some of our best rated Transmission Parts from National, Imperial, and B & M, and more. Transmission Parts from these brands that fit a 1989 S15 start at just $6.99 and are rated as high as 4.3 stars. OEM and aftermarket Transmission Parts don’t get more top quality, durable, and affordable than from the brands below.

Popular National 1989 GMC S15 Transmission Parts

When it comes to maintaining or upgrading your 1989 GMC S15, using quality Transmission Parts is essential to ensure durability and a perfect fit. National ticks all of those boxes. We offer a wide selection of National Transmission Parts, specifically designed for the 1989 GMC S15. With over 3 National brand Transmission Parts in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $6.99, with an average price of just $12.32. Plus, with over 43 customer reviews and an average rating of 4.3 stars, you can trust that our National Transmission Parts will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.

from $6.99

(5)

Multi-Purpose Seal

“This part was exactly the same as the part on my 2004 Trailblazer 4.2L, even had the same number stamped on it.”

from $12.99

(13)

Multi-Purpose Seal

“Fixed my leak”

from $16.99

(25)

Multi-Purpose Bearing

“Smooth”

Popular Imperial 1989 GMC S15 Transmission Parts

Imperial auto parts is one of the highest quality Transmission Part brands in the market. Any 1989 GMC S15 owner should feel confident when installing genuine Imperial parts in their vehicle. To ensure the best fit and performance for your 1989 S15, Advance Auto Parts carries a full inventory of 3 Imperial Transmission Parts. Plus you will be keeping your GMC in peak condition while saving money because prices on these Imperial Transmission Parts range from $61.99 to $85.99, plus, with more than 14 customer reviews and an impressive 4.1 stars average rating, you can be confident the Fram Transmission Parts below will deliver on both quality and value.

from $85.99

(4)

High Performance Transmission Oil Cooler

“good quality,easy to install.”

from $61.99

(3)

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

“Bought these before for my vehicles. Put this one on a Silhouette and by-passed the in-radiator cooler altogether. Haven’t put a thermometer on it t”

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”

FAQs for 1989 GMC S15 Transmission Parts

Which Transmission Parts are best-sellers for 1989 GMC S15s?

Out of 111 Transmission Parts that fit 1989 GMC S15s, the following parts are the top sellers:

Taper Bearing Set (5050537) – $10.99
High Performance Transmission Oil Cooler (3670013) – $83.99
Taper Bearing Set (5050626) – $12.99

What’s the price range for 1989 GMC S15 Transmission Parts?

Transmission Part prices for the 1989 GMC S15 start at $3.99 and go up to $1,609.99 for the most premium parts.

What’s the average price of a Transmission Part for a 1989 GMC S15?

The average price for Transmission Parts for the 1989 GMC S15 is $138.23. Keep in mind the variety of part types within our Transmission Part category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Transmission Parts for other GMC S15 model years?

Yes, we currently carry Transmission Parts for 7 model years of GMC S15s between 1982 and 1990. Transmission Parts are bought most frequently for the following model years: 1990, 1988, 1987, 1986, 1985, 1984, 1983, and 1982.

What are the cheapest Transmission Parts for my 1989 GMC S15?

The cheapest 1989 GMC S15 Transmission Parts we carry in stock are:

Oil Seal (5440149) – $3.99
Differential Pinion Seal (10751056) – $3.99
AT DETENT CABLE SEAL (10861026) – $3.99
Clutch Pilot Bushing .592 In. x .828 Type A, Length .746 In. (sold by each) (22148972) – $3.99
Clutch Pilot Bushing (5708281) – $4.99

What are the top-rated Transmission Parts that fit the 1989 GMC S15?

Out of 1,353 reviews by customers, our 1989 GMC S15 Transmission Parts have an average customer rating of . These are some of the highest-rated Transmission Part types for the 1989 GMC S15 and their top-rated products:

Automatic Transmission Pan and Gaskets
- Chrome Automatic Transmission Oil Pan with Drain Plug (17360645) – $75.99
- Transmission Oil Pan Gasket 16 Bolt Hole One Piece Gasket (5781647) – $11.99
- EZ Drain Engine Oil Drain Plug: M12-1.75 Thread, 21 mm Head, 1 Pack (11953660) – $17.49
Transmission Cooler and Parts
- Chrome Automatic Transmission Oil Pan with Drain Plug (17360645) – $75.99
- Transmission Oil Pan Gasket 16 Bolt Hole One Piece Gasket (5781647) – $11.99
- EZ Drain Engine Oil Drain Plug: M12-1.75 Thread, 21 mm Head, 1 Pack (11953660) – $17.49

What types of Transmission Parts do you sell for my 1989 GMC S15?

As of 11/2/25, these are some of the most in-demand types of Transmission Parts for a 1989 GMC S15:

Can I get help with 1989 GMC S15 Transmission Part orders?

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

What is your return policy for GMC S15 Transmission Parts?

Advance Auto Parts keeps returns simple. For new GMC S15 Transmission Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

1989 GMC S15 Transmission Parts

Dorman – Transmission Line Connector (Part No.800-755)

National – Multi-Purpose Seal (Part No.5200)

ATP – Automatic Transmission Detent Cable (Part No.Y-363)

National – Multi-Purpose Seal (Part No.710597)

Mr. Gasket – Chrome Automatic Transmission Oil Pan with Drain Plug (Part No.9732)

ATP – AT SEL SHAFT SEAL (Part No.SO-19)

ATP – ATP Automatic Transmission Control Solenoid (Lock-Up) (Part No.CE-1)

Anchor – Transmission Mount: Rear, 1 Piece (Part No.2392)

ATP – AT MSTR REP KIT PLUS (Part No.CMS-20)

ATP – AT OIL PUMP GASKET (Part No.SG-40)

Carquest Premium – Automatic Transmission Torque Converter Clutch Solenoid (Part No.SBC4935)

ATP – AT DPSTK TUBE SEAL (Part No.SO-35)

ATP – AT BANNER KIT (Part No.CM-26)

B & M – Governor Recalibration Kit For TH-700R4, TH-400 and TH-350 Transmission (Part No.20248)

ATP – AT DETENT CABLE SEAL (Part No.SO-37)

FAG US – Shaft Seal (Part No.SS2114)

B & M – Torque Converter, Holeshot 3000 (Part No.70421)

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

B & M – Automatic Shifter, Stealth Pro Ratchet 3 and 4 Speed (Part No.81120)

ATP – AT EXT HOUSING SEAL (Part No.SO-22)

ACDelco – Vehicle Speed Sensor (Part No.19313723)

Driveworks – Tapered Roller Bearing (Part No.S-JL-69349)

ARP Auto Racing – For Use With General Motors, 0.590"L Under Head, 10Mm X 1.5 Thread, With Washers (Part No.230-7305)

Driveworks – Taper Bearing Set (Part No.S-A-6)

Moveras – 700R4 – Automatic Transmission (Part No.M00879BA)

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

B & M – Shift Improver Kit, 82-93 TH700R4 (Part No.70239)

FAG US – Shaft Seal (Part No.SS2571)

Driveworks – Taper Bearing Set (Part No.S-A-6)

Driveworks – Taper Bearing Set (Part No.S-A-18)

National – Multi-Purpose Bearing (Part No.A-18)

National – Bearing (Part No.M86649)

Driveworks – Tapered Roller Bearing (Part No.S-JL-69349)

National – Bearing Race (Part No.25821)

Driveworks – Taper Bearing Cone (Part No.S-M-86649)

Pro-King – Automatic Transmission Solenoid (Part No.52-0203)

Dorman – Help – Clutch Pilot Bushing (Part No.14647)

B & M – Cable Bracket (Part No.30499)

ATP – Automatic Transmission Detent Cable End (Part No.YR-100)

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

ATP – Automatic Transmission Universal Detent Cable 28 to 48 inches (Part No.Y-752)

ATP – AT OIL PUMP ORING (Part No.SO-21)

Dorman – Clutch Pilot Bushing (Part No.690-014.1)

ATP – AUTO TRANS BAND (Part No.CX-42)

ATP – AT FRT PUMP BUSHING (Part No.CB-30)

ATP – ATP Automatic Transmission Control Solenoid (Lock-Up) (Part No.CE-1)

Dorman – Clutch Pilot Bushing .592 In. x .828 Type A, Length .746 In. (sold by each) (Part No.690-056)

ATP – Automatic Transmission Detent Cable (Part No.Y-763)

ATP – AT/HARNESS VSS REPR (Part No.JE-15)

Moveras – THM700-R4 – Automatic Transmission (Part No.M00383)

Moveras – 700R4 – Automatic Transmission (Part No.M00864AA)

Moveras – THM700-R4 – Automatic Transmission (Part No.M00259)

B & M – Governor Recalibration Kit For TH-700R4, TH-400 and TH-350 Transmission (Part No.20248)

B & M – Throttle Valve Cable, TH700R4 Transmission (Part No.70242)

Dorman – Clutch Pilot Bushing (Part No.690-056.1)

Energy Suspension – High Performance Transmission Mount for Street & Racing Vehicles (Part No.3.1108G)

Anchor – Transmission Mount: Rear, 1 Piece (Part No.2638)

Anchor – Transmission Mount: Rear, 1 Piece (Part No.2672)

Energy Suspension – Transmission Mount (Part No.3.1129R)

Energy Suspension – Transmission Mount (Part No.3.1132G)

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

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

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

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

Imperial – Econo-Kool Transmission Oil Cooler (Part No.242009)

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

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

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

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

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

National – Multi-Purpose Seal (Part No.4583)

National – Multi-Purpose Seal (Part No.5200)

ATP – AT SEL SHAFT SEAL (Part No.SO-19)

Motive Gear – Differential Pinion Seal (Part No.2043)

National – Multi-Purpose Seal (Part No.4528N)

National – Shaft Repair Sleeve (Part No.99138)

National – Multi-Purpose Seal (Part No.9613S)

ATP – AT DPSTK TUBE SEAL (Part No.SO-35)

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