1988 GMC S15 Drivetrains

Below you will find various in-demand GMC Drivetrains, components and accessories for your 1988 S15. Advance Auto Parts has popular S15 parts like 4WD Components, Drive Shafts and Axles, Differentials and more. You’ll also find aftermarket and OEM Drivetrains for other S15 model years including 1982, 1983, 1984, 1985, 1986, 1987, 1989, 1990 and more. Select a category of 1988 GMC S15 Drivetrains below and start saving instantly.

Please Select your Vehicle to See Exact Fit Parts

Popular 1988 GMC S15 Drivetrains Categories

Differential Oil

Axle Shaft Universal Joints

4WD Actuator Switches

U-Joints

Drive Shaft and Axles

Transmission Transfer Case Motors

Transfer Case Adapter Gaskets

Transfer Case Gaskets

Rear Differential Cover Gaskets

Drive Shaft Center Supports

Differential Open Unit and Components

Differential Covers

4WD Actuator Cables

Center Support Bearings

U-Joint Strap Kits

Differential Pinion Shaft Lock Bolts

Axle Shaft Bearing Assemblies

Drive and Prop Shaft Assemblies

Differential Bearings

Differential Axle Shafts

Drive Shaft Bearings

Axle Shaft Seals

Drive Shaft Slip Yoke Sleeves

OE CV Boot Kits

Differential Pinion Pilot Bearings

U-Joint Centering Yokes

Differential Cover Bolts

Input Shaft Pilot Bearings

Axle Shaft Bearings

Transfer Case Output Shaft Seals

Differential Carriers

Differential Bearing Kits

Input Shaft Bearings

Front Differential Pinion Bearings

Differential Spider Gear Kits

Differential Rebuild Kits

Differential Carrier Shim Kits

Differential Pinion Seals

Differential Clutch Packs

Rear Axle Shaft Bearings

Differential Mini Spools

Differential Ring and Pinions

Differential End Yokes

Differential Pinion Supports

Spindle Lock Nuts

Drive Shaft Repair Kits

Differential Lock Assemblies

Differential Spools

Differential Carrier Bearings

Differential Lock Springs

Differential Carrier Bushings

Rear Housing Cover Gaskets

Transfer Case Output Shaft Bearings

Differential Pinion Bearing Kits

Axle Shaft Seal Retainers

Drive Shaft Seals

Axle Shaft Lock C-Clips

Complete Differentials

Bearing and Seal Overhaul Kits

Differential Ring Gear Bolts

Bearing Race Drivers

Spindle Lock Nut Thrust Washers

Differential Carrier Bearing Shims

Input Shaft Seals

Spindle Retainers

Differential Crush Sleeves

Differential Side Bearing Spacers

Differential Pinion Shims

Differential Pinion Shaft Nuts

Differential Gear Install Kits

Differential Cross Pins

Mounting Adapter Seals

Differential Side Gear Thrust Washers

Transfer Case Oil Drain Plugs

Differential Pinion Gear Thrust Washers

Oil Pump Housing Seals

4WD Indicator Lamp Switches

Axle Shaft Snap Rings

Output Shaft Pilot Bearings

Spindle Washers

Differential Ring and Pinion Kits

Differential Spider and Pinion Gear Kits

Universal Joint Strap Bolts

Differential Clutch Pack Clips

Differential Bearing Adjuster Nut Lock Bolts

Axle Pinion Repair Sleeves

Stub Axle Washers

Differential Shifter Seals

Essential Drivetrains for 1988 GMC S15s

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$109.99

Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for GM 8.2″ & 8.5″ differential. This kit contains carrier bearings, races and shims.

Product Features:

Fits GM 7.5″, 7.625″ 8.2″ and 8.5″
Includes carrier bearings and races and “super” carrier shim kit

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$7.49

This universal joint strap kit is designed to match the original components required to repair and resecure universal joints on specified vehicles. Made of quality components, this kit is engineered for reliable performance and durability.

Product Features:

Direct replacement – this universal joint strap kit is designed to match the original components required to repair and resecure universal joints on specified vehicles
Ideal solution – this kit is a reliable replacement for original components that are missing or have failed due to fatigue
Durable construction – this kit 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

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$8.49

U/joint strap bolt for 14T, 7.5″, and 8.5″ GM.

Product Features:

u-joint strap bolt for GM 10.5″ 14 bolt truck, 7.5″ and 8.5″

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$4.99

Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:

Meets or exceeds OE specifications

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$132.99

The 4WD system on certain vehicles fails when cracks in the actuator’s diaphragm create vacuum leaks. The diaphragm on this Dorman OE FIX actuator uses a mesh-reinforced rubber material to provide three times the durability of the original design.

Product Features:

Improved design – this 4WD actuator has been redesigned to eliminate common failures in the original part caused by exposure to ozone
Upgraded materials – the rubber diaphragm in this 4WD actuator is reinforced with a mesh layer to provide 3X greater durability than the original material
Seamless repair – this upgraded 4WD actuator matches the fit and function of the original part for a trouble-free installation
Quality assured – backed by a team of product experts in the United States and more than a century of automotive experience

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$24.99

Product Features:

BUILT TO LAST: Advanced heat treatment process for strength
PREMIUM MATERIALS: Precision manufactured using premium-grade steel for lasting performance and extended bearing life
RELIABLE PERFORMANCE: Element size and quantity are engineered to meet or exceed the load rating of OE bearings
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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$11.49

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: -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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$11.99

7.5 GM cover gasket.

Product Features:

Cover gasket
Fits GM 7.5″ and 7.625″

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$184.99

Yukon yoke for GM 7.5″ (mech 3R) in a triple lip design. 2.556″ snap ring span, 1.125″ cap diameter. Inside snap ring. This yoke uses inside clips. All Yukon yokes come with a one year warranty against manufacturing defects.

Product Features:

Fits GM 7.5″ and 7.625″
27 spline
Mechanics 3R u-joint size
Inside snap ring design
2.556″ snap ring span
1.125″ cap diameter
Strap style

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$276.99

Yukon yoke for GM 7.2″. All Yukon yokes come with a one year warranty against manufacturing defects.

Product Features:

Fits GM 7.2″ IFS
27 spline

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$422.99

The original drive shafts on specific vehicles have permanently staked universal joints that make servicing difficult. This Dorman OE FIX front drive shaft makes the U-joints serviceable for simpler maintenance.

Product Features:

Ready to install – this drive shaft is shipped pre-assembled and factory balanced to ensure immediate smooth operation
Simplifies repair – this replacement makes the U-joints serviceable for simpler maintenance
All-new manufacturing – made 100% new, not remanufactured, so there’s no core charge or return hassle
Quality engineering – designed in the United States and backed by decades of automotive aftermarket experience

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$28.99

7.2″ shifter seal.Yukon Mighty seal.

Product Features:

Shifter seal
Fits GM 7.2″ IFS

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$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

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$5.19

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

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$10.99

Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:

Meets or exceeds OE specifications

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$17.99

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

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$18.29

By constantly introducing design enhancements that extend product life and simplify installation and replacement, MOOG has earned its reputation as the chassis industry’s Problem Solver.

Product Features:

Manufactured from high quality elastomer compounds for durability and ride performance
Assembled with proper precompression for ultimate in performance and feel
High level bonding adhesive is used for durability
Elastomer compounds do not utilize any reground rubber fillers

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$15.99

Product Features:

Carrier shim kit for Dana Spicer 30 with 30 spline axles

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$99.99

Redline Synthetic “Shock Proof” Oil. 3 Quarts.

Product Features:

Includes three quarts of Redline Shockproof oil

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$9.99

5/16″-18 cover bolt, Dana Spicer 25, 27, 30 and 44, AMC Model 20 and Model 35, Chrysler 9.25 rear, GM 7.5″, 7.625″, 8.2″, 8.5″, 12 bolt passenger car and truck.

Product Features:

Cover bolt for Dana Spicer 25, 27, 30 and 44, AMC Model 20 and Model 35, GM 7.5″, 7.625″, 8.2″, 8.5″ and 12 bolt passenger car and truck.
1/2″ head

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$25.49

Manufactured with premium materials, National needle bearings are designed and engineered to meet OE specifications.

Product Features:

RIGHT TYPE: Needle bearings are application-specific for the repair occasion, using either caged or full complement designs
PREMIUM MATERIALS: Precision manufactured using high-quality materials for outstanding 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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$202.99

14 plate DURAGRIP COMPOSITE clutches, GM 7.5.

Product Features:

Clutch kit
Fits GM 7.5″ and 7.625″ with Dura Grip positraction
Steel clutches

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$59.99

This drive shaft repair kit is designed to match the original hardware required to repair the drive shaft on specified vehicles. Made of quality components, this kit is engineered for reliable performance and durability.

Product Features:

Direct replacement – this drive shaft repair kit is designed to match the original hardware required to repair the drive shaft on specified vehicle
Ideal solution – this kit is a reliable replacement for original components that have failed due to fatigue
Durable construction – this kit 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

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$829.99

The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence & performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction. The Yukon Dura Grip uses a nodular case and forged 4320 internals for added strength along with composite clutches for high performance and long life. All units are Rebuildable and many offer upgrades to increase aggressiveness for racing applications. Each unit carries a one year warranty against defects.

Product Features:

Fits GM 7.625″ with 28 spline axles
3.23 ratio and up only
4-spring, clutch style positraction
Internal gears are manufactured using forged 4320 steel and cut to provide stronger teeth
Fully rebuildable
Assembled in the USA

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$53.99

Cross pin shaft for 7.2″ GM.

Product Features:

Cross pin shaft
Fits GM 7.2″ IFS

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$349.99

Product Features:

Standard open carrier case
Fits GM 7.625″
3.23 and up ratio only
Does not include spider gears

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$15.29

Product Features:

RIGHT TYPE: Needle bearings are application-specific for the repair occasion, using either caged or full complement designs
PREMIUM MATERIALS: Precision manufactured using high-quality materials for outstanding 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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$23.99

Product Features:

Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
Dana engineering-approved for fit, form and function
Meets or exceeds OE specifications

Upgrade your 1988 GMC S15 with Top-Quality Drivetrains

When it comes to maintaining or upgrading your 1988 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, Drivetrains are key to keeping your S15 functioning at its best. At Advance Auto Parts, we offer a wide selection of 302 Drivetrains for the 1988 GMC S15, designed to meet your needs without breaking the bank. From 4WD Component replacements to Drive Shafts and Axles 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 Drivetrains for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Drivetrains for your 1988 GMC S15 at great prices. Our Drivetrains inventory for this model ranges from just $2.29 to $2,219.99, with an average price of $252.74. Our 302 Drivetrains in stock come from 20 trusted brands, so you’re sure to find the right part for your 1988 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 1988 GMC S15, we stock popular OEM and aftermarket Drivetrains from top names like Spicer, National, Driveworks, and more. Spicer Drivetrains start at just $31.99 and boast an impressive 4.6 stars average rating from customers. National and Driveworks also bring quality to the table, with Drivetrains available starting at $10.99, and at an average 4.3 stars rating. With 3,881 customer reviews and counting, our 1988 GMC S15 Drivetrains 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 Drivetrain upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 1988 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 1988 GMC S15!

Best-Selling 4WD Components for 1988 GMC S15s

Enhance the driving experience in your GMC with 5 quality 4WD Component components, starting at $18.79.

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$39.49

This 4WD actuator cable directly replaces the original equipment part on specific vehicle applications. It is reverse engineered to reliably restore proper functionality.

Product Features:

Direct replacement – this 4WD actuator cable matches the fit and function of the original cable on certain vehicle years, makes and models
Effective fix – installation restores four-wheel drive function interrupted by a failed original cable
Related repair – recommended for replacement when installing a new axle actuator
Trustworthy quality – backed by team of designers and engineers in the United States

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$132.99

Improved design – this 4WD actuator has been redesigned to eliminate common failures in the original part caused by exposure to ozone
Upgraded materials – the rubber diaphragm in this 4WD actuator is reinforced with a mesh layer to provide 3X greater durability than the original material
Seamless repair – this upgraded 4WD actuator matches the fit and function of the original part for a trouble-free installation
Quality assured – backed by a team of product experts in the United States and more than a century of automotive experience

from

$80.99

Carquest Premium Vehicle Solutions provides high-quality solutions for a wide range of applications. The 4WD Actuator ensures seamless transition between 2WD and 4WD modes, providing enhanced traction and stability on challenging terrains without manual intervention. 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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$32.99

Carquest Premium Vehicle Solutions provides high-quality solutions for a wide range of applications. The 4WD Indicator Light Switch provides instant visual feedback on 4WD engagement, helping drivers quickly verify the vehicle¿s drive mode and ensuring optimal performance in off-road or slippery conditions. 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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$18.79

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.

Most Popular 1988 GMC S15 Drive Shafts and Axles

Customize your GMC with 34 Drive Shafts and Axles products like Drive Shaft and Axles, Axle Shaft Seals, and Axle Shaft Bearings, all priced under $1,320.99.

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$38.99

You expect a lot from your vehicle, and Spicer Life Series (SPL) universal joints deliver. SPL universal joints consistently outperform competitors, so you can hit the road or trail with confidence. Check out the difference that SPL universal joints can make in your vehicle, and make sure you are getting the longer life, increased bearing capacity and lower maintenance costs that Spicer Life Series (SPL) can provide.

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$9.99

An imperative replacement part for the proper functioning of the axle shaft and for basic vehicle operation, our Axle Shaft Lock C-Clips are made from quality materials for long-lasting durability.

Product Features:

Direct replacement – this drive axle shaft lock C-clip matches the fit and function of the factory part on specified years, makes and models
Ideal solution – this clip is a reliable replacement for an original part that is missing or 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

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$45.99

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

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$24.99

Manufactured with premium-grade steel, National cylindrical bearings are designed and engineered to meet OE specifications.

Product Features:

STRONG AND DURABLE: Controlled heat treatment process for strength and durability
PREMIUM MATERIALS: Precision manufactured using premium-grade steel for durability and performance
OE-STYLE DESIGN: Engineered to meet OE specifications
COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
Professional technicians know they can depend on National

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$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

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$156.99

All CARQUEST axles have a new zinc dichromate plated nut or attaching hardware. CV joint grease has a high moly content. The boot bands are made from stainless steel, and the boots are manufactured to resist wear and damage due to extreme high and low temperatures.High moly CV joint grease with stainless-steel boot bands

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$18.29

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

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$44.99

Designed to meet or exceed OE quality, premium-quality bearings from National are manufactured to exacting standards to deliver lasting performance and extended bearing life.

Product Features:

BUILT TO LAST – Advanced heat treatment process for strength
PREMIUM MATERIALS – Precision manufactured using premium-grade steel for lasting performance and extended bearing life
RELIABLE PERFORMANCE – Element size and quantity are engineered to meet or exceed the load rating of OE bearings
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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$21.99

Anchor 6056 Center support bearings support a driveshaft between transmission and differential. This mount relieves stress on driveline components. 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 VIBRATION DAMPENING: Rubber cushion is made of high grade rubber that ensures maximum dampening of vibration and the ability to absorb over loads.
HEAVY GAUGE STEEL FRAME: The housing frame is made from heavy gauge steel with durability that extends the service life.
READY TO INSTALL: Most center supports include a sealed bearing and dust shield and are ready to install.
For Years: 1955-2018
Weight approx: 3 Lbs
BEARING ID / BORE: 1.3780 In. / 35 mm
CENTERLINE: 2.28 In. / 58 mm
Mount Width: 6.62 In. / 168 mm
Style: Round Frame
Complete Mount

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$19.99

Value-priced bearing meets all cataloged application requirements.

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$42.99

Yukon axle bearing & seal kits are specially designed for each application & use all high quality bearings & seals. R1563TAV axle bearing and seal kit, TorringtonBrand, 2.250″ OD, 1.400″ ID. This axle bearing & seal kit services one side only.

Product Features:

Includes axle bearing and seal
Services one side
Torrington Brand
2.250″ O.D.
1.400″ I.D.

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$18.99

Product Features:

RIGHT TYPE: Needle bearings are application-specific for the repair occasion, using either caged or full complement designs
PREMIUM MATERIALS: Precision manufactured using high-quality materials for outstanding 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

from

$15.29

Product Features:

RIGHT TYPE: Needle bearings are application-specific for the repair occasion, using either caged or full complement designs
PREMIUM MATERIALS: Precision manufactured using high-quality materials for outstanding 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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$14.99

Product Features:

c-clip for GM 7.5″, 7.625″ and 8.0″

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$59.99

Direct replacement – this drive shaft repair kit is designed to match the original hardware required to repair the drive shaft on specified vehicle
Ideal solution – this kit is a reliable replacement for original components that have failed due to fatigue
Durable construction – this kit 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

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$7.99

Product Features:

Brand may vary by location

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$8.99

Inner axle retaining snap ring for 7.2″ GM.

Product Features:

Stub axle snap ring
Fits GM 7.2″ IFS

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$42.99

Product Features:

Brand may vary by location

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$30.49

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

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$35.99

Product Features:

BUILT TO LAST: Advanced heat treatment process for strength
PREMIUM MATERIALS: Precision manufactured using premium-grade steel for lasting performance and extended bearing life
RELIABLE PERFORMANCE: Element size and quantity are engineered to meet or exceed the load rating of OE bearings
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

$1320.99

Replacing a drive shaft doesn’t have to be complicated. This complete drive shaft assembly is pre-balanced and ready to install with 100% new yokes, tubes, constant velocity (CV) joints and universal joints.

Product Features:

Direct replacement – this drive shaft is made to the original equipment dimensions for dependable fit and performance
100% new – this drive shaft is made from all new components so there’s no core charge or return hassle
Ready to install – this drive shaft arrives pre-balanced to make installation quick and simple
Serviceable construction – non-staked universal joints are designed for future serviceability

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$862.99

Direct replacement – this drive shaft is made to the original equipment dimensions for dependable fit and performance
100% new – this drive shaft is made from all new components so there’s no core charge or return hassle
Ready to install – this drive shaft arrives pre-balanced to make installation quick and simple
Serviceable construction – non-staked universal joints are designed for future serviceability

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$675.99

Driveshaft – Front

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$634.99

Direct replacement – this drive shaft is made to the original equipment dimensions for dependable fit and performance
100% new – this drive shaft is made from all new components so there’s no core charge or return hassle
Ready to install – this drive shaft arrives pre-balanced to make installation quick and simple
Serviceable construction – non-staked universal joints are designed for future serviceability

Top Picks for 1988 GMC S15 Differentials

Upgrade GMC S15s with top-quality Differentials parts, including 205 OEM and aftermarket selections for your 1988 model.

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$35.99

Valvoline MaxLife Multi-Vehicle ATF is a full-synthetic formulation with advanced additives to prevent the major causes of transmission breakdown and help extend transmission life. Developed to help prevent leaks, maximize transmission performance, reduce transmission wear, and maintain smooth shifting longer than conventional fluids. It is suitable for use in a broad range of ATF applications including most Ford, GM, Toyota, Honda, Nissan, Hyundai, BMW, Mercedes, Volvo, VW & Audi. Recommended for use in the following applications: GM DEXRON-II, DEXRON-III, DEXRON-VI, Ford MERCON LV, Toyota/Lexus Type T, T-II, T-IV, WS, Honda/Acura, ATF-Z1, Nissan/Infiniti Matic-D, Matic-J, Matric-K, Matic-S, Hyundai/Kia SP-II, SP-III, SP-IV, SPH-IV, BMW 7045E, ETL 8072B, LA2634, LT71141, Allison C-4, Mercedes Benz NAG-1, Volvo 1161521, 1161540, 97340, 1273.41, and VW/Audi G-052-025-A2, G-052-162-A1. For CVT applications Valvoline recommends Valvoline Full Synthetic CVT Fluid.

Product Features:

Formulated with full-synthetic base oils and long life friction modifiers to help improve smooth shifting, eliminate slippage and shudder, prevent clutch wear and improve drivability longer than conventional fluids
High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks in high mileage transmissions
Developed with anti-wear technology to help improve transmission durability
Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures

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$8.99

Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered for the sealing repair environment
Validated for fit, form and function
Unsurpassed quality you can trust

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$16.99

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

Product Features:

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

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$11.99

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

$10.99

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$131.99

Product Features:

INTERNAL KIT-GM 7.6″ W/28 SPLINE

from

$151.99

The National bearing & seal kit includes all the components required to complete the repair.

Product Features:

COMPLETE SOLUTION – Includes everything needed to complete the repair
STRONG AND DURABLE – Controlled heat treatment process for strength and durability
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
Professional technicians know they can depend on National

from

$43.99

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

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

$24.99

This direct replacement differential cover matches the fit and function of the original equipment diff cover for a reliable, leak-free repair. It features a durable design, made to strict specifications, to help ensure reliable service life.

Product Features:

Direct replacement – this differential cover matches the fit and function of the original equipment diff cover on select vehicles
Reliable repair – the smart solution for fixing an existing cover that’s rusted, damaged or leaking differential fluid
Durable construction – this differential cover is made according to strict engineering standards to help ensure dependability
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

from

$6.79

This differential pinion shaft lock bolt 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 differential pinion shaft lock bolt matches the fit and function of the factory part on specified years, makes and models
Ideal solution – this bolt is a reliable replacement for an original part that is missing or 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

$99.99

Motive Gear Differential Bearing Kits Include Front & Rear Pinion Bearing, Pinion Seal, Carrier Bearings, Pilot Bearing Where Applicable, Gear Marking Compound, Crush Sleeve, Pinion Nut, Brush, Thread Locking Compound And Cover Gasket Or Rtv

Product Features:

KIT BRG & SEAL GM 7.5″,’82-98

from

$9.29

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

$57.99

3 Qt. Penzoil 80W90 conventional gear Oil. W/ bottle of Posi additive.

Product Features:

Includes three quarts of conventional oil and one 4oz bottle of Yukon positraction additive

from

$44.99

3 Qt. Penzoil 80W90 conventional gear Oil.

Product Features:

Includes three quarts of conventional oil

from

$2.99

Product Features:

RING GEAR BOLT 8.5″ 7.5″ 7/16 X 20 LEFT HAND

from

$6.99

Ring gear bolt for GM 7.5″, 7.6″, 7.6″ IRS, 8.0″, 8.25″ IFS, 8.5″, 8.6″ & 8.6″ IRS. 7/16″ x 20.

Product Features:

Ring gear bolt for GM 7.5″, 7.625″, 7.6″ IRS, 8.0″, 8.25″ IFS, 8.5″, 8.6″ and 8.6″ IRS
7/16″ x 20

from

$9.99

5/16″-18 cover bolt, Dana Spicer 25, 27, 30 and 44, AMC Model 20 and Model 35, Chrysler 9.25 rear, GM 7.5″, 7.625″, 8.2″, 8.5″, 12 bolt passenger car and truck.

Product Features:

Cover bolt for Dana Spicer 25, 27, 30 and 44, AMC Model 20 and Model 35, GM 7.5″, 7.625″, 8.2″, 8.5″ and 12 bolt passenger car and truck.
1/2″ head

from

$9.99

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

$6.99

This differential crush sleeve is designed to match the fit and function of the original sleeve on specified vehicles, and is engineered for durability and reliable performance.

Product Features:

Direct replacement – this differential crush sleeve is designed to match the fit and function of the original sleeve on specified vehicles
Required replacement – when servicing the differential
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

$24.99

Product Features:

BUILT TO LAST: Advanced heat treatment process for strength
PREMIUM MATERIALS: Precision manufactured using premium-grade steel for lasting performance and extended bearing life
RELIABLE PERFORMANCE: Element size and quantity are engineered to meet or exceed the load rating of OE bearings
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

$18.29

Manufactured from high quality elastomer compounds for durability and ride performance
Assembled with proper precompression for ultimate in performance and feel
High level bonding adhesive is used for durability
Elastomer compounds do not utilize any reground rubber fillers

from

$29.99

DIFF COVER KIT

from

$31.99

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

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

In-Demand Universal Joints for 1988 GMC S15s

Select from 31 premium Universal Joints parts for your 1988 GMC S15, with prices ranging from $4.59 to $276.99.

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from

$31.99

When you see the Spicer name, you know you are buying the highest quality product available. Spicer universal joints are no exception. Dana manufactures a full line of Spicer universal joints that are engineered to ensure longer life for vehicles in a wide variety of applications, from light vehicle to commercial and off-highway.

Product Features:

OE engineering and field tested experience is why the Spicer brand is the most trusted in the industry.
Forged with high-quality steel, these u-joints are heat treated and case-hardened with precision to specific levels, ensuring optimal strength and durability.
The process of precision grinding the seal and bearing surfaces helps to improve the life of the seal and bearing.
Zerk allows for lubricating at regular intervals to help extend the life of the part.

from

$15.99

Driveworks Universal Joints are designed to meet or exceed OE fit, form, and function. These universal joints are set to provide superior quality and easy installation. Driveworks Universal Joints are constructed from quality materials for extended durability. Driveworks Universal Joints are pre-lubricated with premium grease to provide a longer service life. The grease fittings are pre-installed to allow for easy maintenance (where applicable).

Product Features:

The cross is hot forged for the higher torque and horsepower
The bearing cups are made by cold forging, having higher strength and better rigidity
Bearing cups allow 360 lubricant distribution to bearing surfaces, and are precision-ground for maximum load-carrying capabilities
Lubrication grooves are designed to ensure grease penetration to entire journal and needle bearings
Grease fitting in the cross allows for easy maintenance and the flexible use of the whole assembly
Snap rings are held to strict tolerances to ensure proper cup position and retention
Nitrile rubber seals to optimize grease retention and reduce contamination

from

$42.99

Backed by superior materials and rigorous testing, MOOG Premium universal joints deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.

Product Features:

COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
GREASEABLE DESIGN – Greaseable u-joints allow for new grease to flush out contaminants and moisture
KEEPS DIRT OUT – Nitrile rubber grease seals use a compressed double lip design for effective protection against contaminants
RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
STRONG AND DURABLE – Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability
Cross forging shape and flash provide easier installation and high strength

from

$35.99

Product Features:

BUILT TO LAST – Rugged design specifically engineered for fleets, off-highway and commercial vehicles
STRONG AND DURABLE – Bearing cups are cold-formed, case-hardened and precision ground for strength and durability
KEEPS DIRT OUT – Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
GREASEABLE DESIGN – Drilled and tapped grease fitting holes for easy servicing and cross trunnions with large grease reservoirs with radial grease channels for grease distribution
INHIBITS PREMATURE WEAR – Cross trunnions ground to a 15-25 RMS finish for a smooth surface free of microscopic grooves that can cause premature wear
RELIABLE PERFORMANCE – Internal anti-drainback valve integrated into thrust washer controls lubrication flow and prevents dry startup
RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on

from

$15.99

The cross is hot forged for the higher torque and horsepower
The bearing cups are made by cold forging to provide higher strength and better rigidity
Bearing cups allow 360 lubricant distribution to bearing surfaces, and are precision-ground for maximum load-carrying capabilities
Lubrication grooves are designed to ensure grease penetration to entire journal and needle bearings
Grease fitting allows for easy maintenance and the flexible use of the entire assembly
Snap rings are held to strict tolerances to ensure proper cup position and retention
Nitrile rubber seals are applied to optimize grease retention and reduce contamination

from

$25.99

For U-Joints 355, 372 & 534G
Contains two 1.81″ bolt center clamps and four 5/16-24 x 1-5/16″ cap screws

from

$29.49

Product Features:

BUILT TO LAST – Rugged design specifically engineered for applications with higher torque and horsepower
COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
CORROSION PROTECTION – Exclusive MICRO SHIELD coating protects against rust and corrosion
KEEPS DIRT OUT – Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
STRONG AND DURABLE – Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability

from

$33.99

Product Features:

BUILT TO LAST – Rugged design specifically engineered for applications with higher torque and horsepower
COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
CORROSION PROTECTION – Exclusive MICRO SHIELD coating protects against rust and corrosion
KEEPS DIRT OUT – Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
STRONG AND DURABLE – Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability

from

$41.49

Backed by superior materials and rigorous testing, MOOG Super Strength universal joints deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.

Product Features:

BUILT TO LAST – Rugged design specifically engineered for applications with higher torque and horsepower
COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
CORROSION PROTECTION – Exclusive MICRO SHIELD coating protects against rust and corrosion
GREASEABLE DESIGN – Bearing cups feature a radial design to allow 360 Degrees lubricant distribution to all bearing surfaces
KEEPS DIRT OUT – Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
STRONG AND DURABLE – Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability

from

$48.99

from

$15.99

The cross is hot forged for the higher torque and horsepower
The bearing cups are made by cold forging, having higher strength and better rigidity
Bearing cups allow 360 lubricant distribution to bearing surfaces, and are precision-ground for maximum load-carrying capabilities
Lubrication grooves are designed to ensure grease penetration to entire journal and needle bearings
Grease fitting in the cross allows for easy maintenance and the flexible use of the whole assembly
Snap rings are held to strict tolerances to ensure proper cup position and retention
Nitrile rubber seals to optimize grease retention and reduce contamination

from

$34.49

BUILT TO LAST – Rugged design specifically engineered for applications with higher torque and horsepower
COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
CORROSION PROTECTION – Exclusive MICRO SHIELD coating protects against rust and corrosion
GREASEABLE DESIGN – Bearing cups feature a radial design to allow 360 Degrees lubricant distribution to all bearing surfaces
KEEPS DIRT OUT – Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
STRONG AND DURABLE – Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability

from

$36.99

OE engineering and field tested experience is why the Spicer brand is the most trusted in the industry.
Forged with high-quality steel, these u-joints are heat treated and case-hardened with precision to specific levels, ensuring optimal strength and durability.
The process of precision grinding the seal and bearing surfaces helps to improve the life of the seal and bearing.
Zerk allows for lubricating at regular intervals to help extend the life of the part.

from

$15.99

The cross is hot forged for the higher torque and horsepower
The bearing cups are made by cold forging, having higher strength and better rigidity
Bearig cups allow 360 lubricant distribution to bearing surfaces, and are precision-ground for maximum load-carrying capabilities
Lubrication grooves designed to ensure grease penetration to entire journal and needle bearings
Grease fitting in the cross allows for easy maintenance and the flexible use of the whole assembly
Snap rings are held to strict tolerances to ensure proper cup position and retention
Nitrile rubber seals to optimize grease retention and reduce contamination

from

$24.99

Product Features:

COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
GREASABLE DESIGN – Greasable u-joints allow for new grease to flush out contaminants and moisture
KEEPS DIRT OUT – Nitrile rubber grease seals use a compressed double lip design for effective protection against contaminants
RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
STRONG AND DURABLE – Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability
Cross forging shape and flash provide easier installation and high strength

from

$4.59

Universal Joint

from

$13.99

Direct replacement – this universal joint strap kit is designed to match the original components required to repair and resecure universal joints on specified vehicles
Ideal solution – this kit is a reliable replacement for original components that are missing or have failed due to fatigue
Durable construction – this kit 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

from

$11.99

For U-Joints 354, 368, 369, 445 & 455
Contains two 1.59″ bolt center clamps and four 5/16-24 x 1-5/16″ cap screws

from

$7.49

Direct replacement – this universal joint strap kit is designed to match the original components required to repair and resecure universal joints on specified vehicles
Ideal solution – this kit is a reliable replacement for original components that are missing or have failed due to fatigue
Durable construction – this kit 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

from

$78.99

Yukon 1350 to 1410 conversion u/joint.

from

$32.99

BUILT TO LAST – Rugged design specifically engineered for applications with higher torque and horsepower
COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
CORROSION PROTECTION – Exclusive MICRO SHIELD coating protects against rust and corrosion
GREASEABLE DESIGN – Bearing cups feature a radial design to allow 360 Degrees lubricant distribution to all bearing surfaces
KEEPS DIRT OUT – Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
STRONG AND DURABLE – Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability

from

$109.99

Yukon 1310 to Mechanics 3R adapter U/Joint.

from

$63.99

Yukon 1350 Lifetime Series U/Joint. 3.625″ snap ring span, 1.188″ cap diameter. Outside snap ring.

from

$51.99

Yukon 1350 U/Joint with zerk fitting. 3.625″ snap ring span, 1.118″ cap diameter. Outside snap ring.

Most Sold 1988 GMC S15 Transfer Cases

Explore our best-selling GMC parts for the 1988 S15 among 18 OEM and aftermarket options starting from $4.99.

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from

$20.99

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered and manufactured specifically for the repair environment
Unsurpassed quality you can trust
Validated for fit, form, and function

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

$17.99

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

$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

$15.99

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

$31.99

This transfer case switch directly replaces the original equipment switch on certain vehicle years, makes and models.

Product Features:

Direct replacement – this 4WD switch matches the fit and function of the original switch on specific vehicle applications
Effective fix – restores proper 4WD operation after original switch degrades and fails
Durable construction – built for reliable longevity, free of defects in materials and craftmanship
Trustworthy quality – backed by team of designers and engineers in the United States

from

$4.99

Product Features:

Design type: spring loaded; 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

$13.49

This transfer case oil drain plug 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 transfer case oil drain plug matches the fit and function of the factory part on specified years, makes and models
Ideal solution – this plug is a reliable replacement for an original part that is missing or 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

$9.99

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

$25.49

Manufactured with premium materials, National needle bearings are designed and engineered to meet OE specifications.

Product Features:

RIGHT TYPE: Needle bearings are application-specific for the repair occasion, using either caged or full complement designs
PREMIUM MATERIALS: Precision manufactured using high-quality materials for outstanding 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

from

$53.99

Product Features:

BUILT TO LAST: Advanced heat treatment process for strength
PREMIUM MATERIALS: Precision manufactured using premium-grade steel for lasting performance and extended bearing life
RELIABLE PERFORMANCE: Element size and quantity are engineered to meet or exceed the load rating of OE bearings
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

$26.49

Product Features:

RIGHT TYPE: Needle bearings are application-specific for the repair occasion, using either caged or full complement designs
PREMIUM MATERIALS: Precision manufactured using high-quality materials for outstanding 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

from

$132.99

TCaseBrg-SealKit

from

$23.99

Product Features:

Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
Dana engineering-approved for fit, form and function
Meets or exceeds OE specifications

from

$15.49

Product Features:

RIGHT TYPE: Needle bearings are application-specific for the repair occasion, using either caged or full complement designs
PREMIUM MATERIALS: Precision manufactured using high-quality materials for outstanding 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

from

$11.29

With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

Product Features:

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

from

$8.99

Product Features:

Brand may vary by location

Top-Rated Drivetrains Brands For Your 1988 GMC S15

Shop for the best-rated brands offering Drivetrains and other products for your 1988 GMC S15s. Below you’ll find some of our best rated Drivetrains from Spicer, National, and Driveworks, and more. Drivetrains from these brands that fit a 1988 S15 start at just $10.99 and are rated as high as 4.6 stars. OEM and aftermarket Drivetrains don’t get more top quality, durable, and affordable than from the brands below.

Popular Spicer 1988 GMC S15 Drivetrains

When it comes to maintaining or upgrading your 1988 GMC S15, using quality Drivetrains is essential to ensure durability and a perfect fit. Spicer ticks all of those boxes. We offer a wide selection of Spicer Drivetrains, specifically designed for the 1988 GMC S15. With over 3 Spicer brand Drivetrains in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $31.99, with an average price of just $39.99. Plus, with over 17 customer reviews and an average rating of 4.6 stars, you can trust that our Spicer Drivetrains will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.

from $48.99

(3)

Universal Joint

“Worked fine. Good service. They only pulled 1 part but the counter person went back retrieved what was necessary and completed the order quickly.”

from $38.99

(2)

Universal Joint

“I use this on a 4×4 off-road. It’s always a tough trade-off between the greaseable and non-greasable u-joints. The non-greaseable is stronger. The”

from $31.99

(12)

Universal Joint, Greaseable 1310 Series OSR

“No problems with Installation and appears to be quality part! Great for my old School Street Car!”

Popular National 1988 GMC S15 Drivetrains

National auto parts is one of the highest quality Drivetrain brands in the market. Any 1988 GMC S15 owner should feel confident when installing genuine National parts in their vehicle. To ensure the best fit and performance for your 1988 S15, Advance Auto Parts carries a full inventory of 3 National Drivetrains. Plus you will be keeping your GMC in peak condition while saving money because prices on these National Drivetrains range from $11.99 to $16.99, plus, with more than 32 customer reviews and an impressive 4.3 stars average rating, you can be confident the Fram Drivetrains below will deliver on both quality and value.

from $12.99

(5)

Multi-Purpose Seal

“It seals great so far”

from $11.99

(2)

Bearing Race

“Reasonable price and woks well. front diff 2006 Escalade esv”

from $16.99

(25)

Multi-Purpose Bearing

“Smooth”

FAQs for 1988 GMC S15 Drivetrains

Which Drivetrains are best-sellers for 1988 GMC S15s?

Out of 302 Drivetrains that fit 1988 GMC S15s, the following parts are the top sellers:

Greaseable Premium Universal Joint (10086738) – $42.99
Greaseable Premium Universal Joint (10086900) – $35.99
Universal Joint (10265505) – $15.99

What’s the price range for 1988 GMC S15 Drivetrains?

Drivetrain prices for the 1988 GMC S15 start at $2.29 and go up to $2,219.99 for the most premium parts.

What’s the average price of a Drivetrain for a 1988 GMC S15?

The average price for Drivetrains for the 1988 GMC S15 is $252.74. Keep in mind the variety of part types within our Drivetrain category so you are likely to find a wide range of prices across a variety of parts and components.

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

Yes, we currently carry Drivetrains for 7 model years of GMC S15s between 1982 and 1990. Drivetrains are bought most frequently for the following model years: 1990, 1989, 1987, 1986, 1985, 1984, 1983, and 1982.

What are the cheapest Drivetrains for my 1988 GMC S15?

The cheapest 1988 GMC S15 Drivetrains we carry in stock are:

Spindle Washer – I.D. 24.7mm O.D. 45.1mm Thickness 4.7mm (Sold by each) (22148783) – $2.29
Differential Ring Gear Bolt (10282141) – $2.49
Differential Pinion Gear Washer (10593184) – $2.49
Crush Sleeve (10715252) – $2.79
Ring Gear Bolt (20520168) – $2.99

What are the top-rated Drivetrains that fit the 1988 GMC S15?

Out of 3,881 reviews by customers, our 1988 GMC S15 Drivetrains have an average customer rating of . These are some of the highest-rated Drivetrain types for the 1988 GMC S15 and their top-rated products:

4WD Components
- Forward Actuator Control Cable (10040036) – $39.49
Universal Joints
- Forward Actuator Control Cable (10040036) – $39.49

What types of Drivetrains do you sell for my 1988 GMC S15?

As of 3/1/26, these are some of the most in-demand types of Drivetrains for a 1988 GMC S15:

Can I get help with 1988 GMC S15 Drivetrain orders?

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What is your return policy for GMC S15 Drivetrains?

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

1988 GMC S15 Drivetrains

Yukon Gear – 8.5" & 8.2" GM Carrier Installation Kit (Part No.57008)

Dorman – Help – U-Joint Repair Kit (Part No.81000)

Yukon Gear – U/Joint Strap Bolt For 14T, 7.5", And 8.5" GM (Part No.33351)

Pro-King – Differential Pinion Yoke Washer (Part No.742A215)

Dorman – 4 Wheel Drive Differential Actuator (OE Fix) (Part No.600-102XD)

National – Multi-Purpose Bearing (Part No.206)

National – Multi-Purpose Seal (Part No.1990)

Yukon Gear – 7.5 GM Cover Gasket (Part No.23018)

Yukon Gear – Yoke For GM 7.5" (Mech 3R) In A Triple Lip Design (Part No.41090)

Yukon Gear – Yoke For GM 7.2" (Part No.41076)

Dorman – One-Piece Steel Driveshaft Assembly (OE Fix) (Part No.938-219)

Yukon Gear – 7.2" Shifter Seal (Part No.30280)

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

Schaeffler – Shaft Seal (Part No.SS2468)

Pro-King – Differential Carrier Shim Kit (Part No.741A202)

National – Transfer Case Output Shaft Seal (Part No.710046)

MOOG – Differential Carrier Bushing (Part No.K6572)

Yukon Gear – Replacement Carrier Shim Kit For Dana Spicer 44, 30 Spline Axles (Part No.55010)

Yukon Gear – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)

Yukon Gear – Dana 25, 27, 30, 44, Model 20 And Model 35, GM 7.5", 8.2", 8.5", 12P, 12T, C9.25 Rear Cover Bolt (Part No.33286)

National – Multi-Purpose Bearing (Part No.B-5020)

Yukon Gear – 14 Plate Dura Grip Composite Clutches, GM 7.5 (Part No.16119)

Dorman – Drive Shaft Repair Kit – Only Fits Dorman Driveshafts (Part No.932-988)

Yukon Gear – Dura Grip Positraction For GM 7.625" With 28 Spline Axles, 3.23 & Up (Part No.26018)

Yukon Gear – Cross Pin Shaft For 7.2" GM (Part No.33403)

Yukon Gear – Standard Open Carrier Case, GM 7.625", 3.23 & Up (Part No.20089)

National – Multi-Purpose Bearing (Part No.B-228)

Victor Reinz – Transfer Case Gasket (Part No.71-14104-00)

Dorman – Forward Actuator Control Cable (Part No.600-601)

Dorman – 4 Wheel Drive Differential Actuator (OE Fix) (Part No.600-102XD)

Carquest Premium – 4WD Actuator (Part No.FWC1091)

Carquest Premium – 4WD Indicator Light Switch (Part No.FWA1001)

Carquest Premium – 4WD Indicator Light Switch (Part No.FWA1023)

Spicer – Universal Joint (Part No.5-1310X)

Dorman – Help – Axle Shaft Retainer (Part No.05311)

National – Shaft Repair Sleeve (Part No.99174)

National – Wheel Bearing (Part No.5707)

National – Multi-Purpose Bearing (Part No.A-5)

Carquest Premium – New CV Axle Shaft Assembly (Part No.NCV10035)

Driveworks – Axle Repair Bearing (Part No.S-RP-5707)

National – Drive Shaft Center Support Bearing (Part No.HB-88107-A)

Anchor – Center Support Bearing Motor Mount: Center, 1 Piece (Part No.6056)

Driveworks – Ball Bearing (Part No.S-HB-88107-A)

Yukon Gear – R1563Tav Rear Axle Bearing And Seal Kit (Part No.10004)

National – Multi-Purpose Bearing (Part No.B-2010)

National – Multi-Purpose Bearing (Part No.B-228)

Yukon Gear – C/Clip For GM 7.5", 7.6" & 8" (Part No.33082)

Dorman – Drive Shaft Repair Kit – Only Fits Dorman Driveshafts (Part No.932-988)

Driveworks – Differential Seal (Part No.S-223255)

Yukon Gear – Inner Axle Retaining Snap Ring For 7.2" GM (Part No.33367)

Driveworks – Drive Shaft Center Support (Part No.S-HB-88107-E)

National – Shaft Repair Sleeve (Part No.99125)

National – Multi-Purpose Bearing (Part No.88107-BVV)

Dorman – Drive Shaft: Greaseable, Adjustable (Part No.976-055)

Dorman – Drive Shaft: Greaseable, Adjustable (Part No.976-176)

USA Standard Gear – Driveshaft – Front (Part No.44326)

Dorman – Drive Shaft: Greaseable (Part No.976-809)

Valvoline – MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon (Part No.773775)

Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 55072)

National – Multi-Purpose Bearing (Part No.A-6)

National – Bearing Race (Part No.LM501314)

Driveworks – Taper Bearing Cone (Part No.S-LM-501349)

Motive Gear – Differential Carrier Gear Kit (Part No.GM7.6BI)

National – Axle Differential Bearing & Seal Kit (Part No.RA-320)

National – Shaft Repair Sleeve (Part No.99193)

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

Dorman – Differential Cover (Part No.697-701)

Dorman – Help – Differential Shaft Lock Bolt (Part No.81048)

Motive Gear – Differential Bearing Kit – Timken (Part No.R7.5GRT)

Motive Gear – Pinion Nut (Part No.1260823)

Yukon Gear – 3 Qt – 80W90 Conventional Gear Oil With Posi Additive (Part No.15003)

Yukon Gear – 3 Qt – Penzoil 80W90 Conventional Gear Oil (Part No.15002)

Motive Gear – Ring Gear Bolt (Part No.14066913)

Yukon Gear – Ring Gear Bolt (Part No.33049)

Yukon Gear – Dana 25, 27, 30, 44, Model 20 And Model 35, GM 7.5", 8.2", 8.5", 12P, 12T, C9.25 Rear Cover Bolt (Part No.33286)

National – Bearing Race (Part No.M86610)

Dorman – Help – Pinion Crush Sleeves (Part No.81058)

National – Multi-Purpose Bearing (Part No.206)

MOOG – Differential Carrier Bushing (Part No.K6572)