1988 GMC R3500 Automatic Transmission Parts

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Keep Your 1988 GMC R3500 in Top Shape with Quality Automatic Transmission Parts

Whether you’re repairing or upgrading your Automatic Transmission Part, using high-quality parts is key to keeping your 1988 GMC R3500 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Transmission Dipsticks, Transmission Modulator Valves, and Transmission Bushings. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Automatic Transmission Parts from Trusted Brands

Looking for a reliable Automatic Transmission Part? We’ve got you covered with options from brands you know and trust like Pro-King. For example, Pro-King Automatic Transmission Parts start at just $21.99 with an average 4.0 star rating. With over 192 reviews and a solid 4 star average, you can shop with confidence knowing other GMC R3500 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1988 GMC R3500 Automatic Transmission Part at Advance Auto Parts is around $62.84, with a range that starts at $4.29 and goes up to $1,732.00. With 25 options in stock from 7 trusted brands, finding the right fit is easy. Popular picks like Automatic Transmission Detent Cable End, Automatic Transmission Fluid Filler Tube Seal, and Automatic Transmission Oil Pump O-Ring start at just $4.29 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Automatic Transmission Part, don’t forget to check out other key components like Torque Converter and Related Products and Transmission Cooler and Parts. At Advance Auto Parts, we’re here to help you keep your 1988 GMC R3500 in peak condition, inside and out.

Looking for the perfect Automatic Transmission Part for your 1988 GMC R3500? You’re in the right place. Below, you’ll find links to various types of Automatic Transmission Parts that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Automatic Transmission Parts, ensuring durability and a precise fit for your GMC R3500. Whether you’re driving a 1988 model or another popular model year like 1987, 1989, 1990, and 1991, we’ve got you covered. Purchasing Automatic Transmission Parts from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Automatic Transmission Parts that fit your vehicle.

Essential 1988 GMC R3500 Automatic Transmission Parts

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$29.99

ATP Transmission Components are exact fit, no compromise replacement parts

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$36.49

ATP Transmission Components are exact fit, no compromise replacement parts

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$9.59

ATP Transmission Seals And Gaskets are exact fit, no compromise replacement parts

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$12.79

ATP Transmission Components are exact fit, no compromise replacement parts

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$11.79

ATP Transmission Components are exact fit, no compromise replacement parts

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$13.79

ATP Transmission Components are exact fit, no compromise replacement parts

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$99.99

When swapping the TH400 transmission into any vehicle, this kit makes installation of the transmission’s kickdown feature a snap. This switch mounts to either a TH700R4, TH200, TH200-R4 or TH350 throttle cable bracket.

Product Features:

Allows High Speed Cruise
Cruise In Overdrive
Prevents Part Throttle Kickdown
Quick Installation

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$69.99

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

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$33.99

Fully adjustable vacuum modulator to maintain accurate shift points.

Product Features:

Meets or exceeds OE specifications

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$51.99

AT MODULATOR VALVE

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$4.29

Automatic Transmission Fluid Filler Tube Seal

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$128.99

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

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$2399.00

Our remanufactured transmissions have improved torque converters included with every transmission to eliminate the possibility of front seal leaks, vibration or premature bushing wear, All torque converters are tested for leaks, lock-up, concentricity & balance. Every fully remanufactured valve body, with complete system correction & recalibration kit, is tested independently & includes updated throttle valve, manual valve, 4-spool switch valve, pressure regulator valve & governor plugs for improved shifting, lubrication & performance. All wear-prone valves are restored to stringent specifications & vacuum tested to confirm proper function. Each remanufactured transmission is hot, cold, load & simulated road testing. All remanufactured transmissions are backed by the industry’s best, no-hassle nationwide warranty(limited).

Product Features:

Our Remanufactured Transmissions include torque convertors, trans is completely disassembled & checked then reassembled to spec for tolerances, vacuum, seal & balance, all wear parts replaced & sim tested.
Our Remanufactured Transmissions include torque convertors, trans is completely disassembled & checked then reassembled to spec for tolerances, vacuum, seal & balance, all wear parts replaced & sim tested.
Transmissions are securely packaged in a recyclable container that will also protect your core on the return trip. Our nationwide warehouse network means speedy delivery.
All of our transmissions are Dyno tested to ensure the highest standard of trouble free service and longevity.

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$2477.00

Our Remanufactured Transmissions include torque convertors, trans is completely disassembled & checked then reassembled to spec for tolerances, vacuum, seal & balance, all wear parts replaced & sim tested.
Our Remanufactured Transmissions include torque convertors, trans is completely disassembled & checked then reassembled to spec for tolerances, vacuum, seal & balance, all wear parts replaced & sim tested.
Transmissions are securely packaged in a recyclable container that will also protect your core on the return trip. Our nationwide warehouse network means speedy delivery.
All of our transmissions are Dyno tested to ensure the highest standard of trouble free service and longevity.

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$94.99

Billet aluminum handle with flexible braded steel tube mounts to the firewall. 29-3/4 inch long.

Product Features:

Braided Stainless Steel
Firewall Mounting
Includes Oil Fill Tube

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$158.99

Automatic Transmission Elect Harness Vss Repair

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$51.99

ATP Transmission Components are exact fit, no compromise replacement parts

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$65.99

ATP Transmission Components are exact fit, no compromise replacement parts

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$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

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$36.99

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 function.

Product Features:

Meets or exceeds OE specifications

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$20.99

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.

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$94.99

Automatic Transmission Control Solenoid Lock-Up

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$27.99

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 function.

Product Features:

Meets or exceeds OE specifications

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$33.99

Cable Bracket, GM (Bandit style shifters only) APPLICATION: For TH-400, 350, 250, 200, 700R4, 200-4R with 80797, 80798 or 81050 shifter.

Product Features:

Shifter Service Parts
Steel
Natural Finish
Sold individually
Replacement for Bandit shifters

Popular 1988 GMC R3500 Automatic Transmission Parts Categories

Transmission Solenoids

Automatic Transmission Governors

Automatic Transmission Wiring Harness

Transmission Dipsticks

Transmission Bushings

Detent Cables

Transmission Modulator Valves

Transmission Bands

Automatic Transmission Fluid Filler Tube Seals

Automatic Transmission Oil Pump O-Rings

Automatic Transmission Shifter Cable Brackets

Remanufactured Automatic Transmissions

Automatic Transmission Friction Discs

Automatic Transmission Kickdown

Best-Selling 1988 GMC R3500 Transmission Modulator Valves

Upgrade your R3500 with one of our 6 best-selling Transmission Modulator Valves, earning an average 4 stars rating across 24 reviews.

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$21.99

Fully adjustable vacuum modulator to maintain accurate shift points.

Product Features:

Meets or exceeds OE fit, form and function

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$33.99

Fully adjustable vacuum modulator to maintain accurate shift points.

Product Features:

Meets or exceeds OE specifications

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$49.99

B&M’s vacuum modulator is fully adjustable, this allows you to tailor your shift points to within a range of 2-4 mph. Comes preadjusted for normal shift points. For TH350 and TH400.

Product Features:

Fully Adjustable
Allows You To Tailor Shift Points
Comes Supplied Pre-Adjusted

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$51.99

AT MODULATOR VALVE

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$21.99

AT MODULATOR VALVE

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$48.99

The transmission modulator valve is a vacuum operated mechanical device located on the transmission case. This valve will have a actuator rod extended into the transmission valve body inside the transmission which will control the flow of transmission fluid within the transmission to place the transmission in the most optimal forward gear selection.

Product Features:

Application matched component ensures the transmission gear position system can be returned to like new condition.
Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
This part will look and function just like the original unit being replaced.

Top-Quality Transmission Bushings for 1988 GMC R3500s

Choose a high-quality OEM or aftermarket Transmission Bushing for GMC R3500s and enjoy top-notch performance from $5.99.

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$5.99

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

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$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

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$12.79

ATP Transmission Components are exact fit, no compromise replacement parts

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$11.79

ATP Transmission Components are exact fit, no compromise replacement parts

Our Top Pick for a 1988 GMC R3500 Detent Cable

Invest in a durable Detent Cable for your 1988 GMC, knowing you’re getting trusted brands and expert craftsmanship.

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$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

Our Top-Rated Transmission Solenoids for 1988 GMC R3500s

Make a smart move for your 1988 GMC R3500 with our Transmission Solenoid for $36.99.

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$36.99

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 function.

Product Features:

Meets or exceeds OE specifications

Top-Rated Automatic Transmission Part Brands For Your 1988 GMC R3500

When it comes to finding the perfect Automatic Transmission Part for your 1988 GMC R3500, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 7 trusted brands. We carry the most popular Automatic Transmission Part brands including Pro-King, and more, all known for their exceptional customer ratings (average brand rating of 4.0 stars) and competitive prices, as low as $21.99. Purchasing a Automatic Transmission Part from us here at Advance Auto Parts is a smart move for both you and your 1988 GMC R3500, providing peace of mind with parts that meet or exceed OEM standards.

Popular Pro-King 1988 GMC R3500 Automatic Transmission Parts

If you’re looking for a top-quality Automatic Transmission Part for your 1988 GMC R3500, Advance Auto Parts has exactly what you need with our selection of Pro-King Automatic Transmission Parts. We have 3 Pro-King Automatic Transmission Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $21.99 and an average cost of $30.99, you’ll find the perfect Automatic Transmission Part for your needs and budget. Pro-King Automatic Transmission Parts for the 1988 GMC R3500 come highly rated, with over 23 customer reviews and an impressive average rating of 4.0 stars. Choosing a Pro-King Automatic Transmission Part from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

from $33.99

(11)

Automatic Transmission Vacuum Modulator

“I have a 1988 Buick Reatta that recently begun to fail to shift. After trying things such as changing the filter and fluid, we eventually were recomme”

from $21.99

(11)

Automatic Transmission Vacuum Modulator

“Great product”

from $36.99

(1)

Automatic Transmission Solenoid

“Works like OEM. Not much more to say about it. Fits perfectly and functions flawlessly.”

FAQs for 1988 GMC R3500 Automatic Transmission Parts

What are the best-selling Automatic Transmission Parts for 1988 GMC R3500s?

Out of 25 Automatic Transmission Parts that fit 1988 GMC R3500s, the following parts are the top sellers:

Automatic Transmission Detent Cable End (10087484) – $7.99
Automatic Transmission Fluid Filler Tube Seal (11239035) – $4.29
Automatic Transmission Oil Pump O-Ring (11236298) – $9.59

What’s the price range for 1988 GMC R3500 Automatic Transmission Parts?

The prices of Automatic Transmission Parts for the 1988 GMC R3500 range from $4.29 up to $1,732.00 for the most premium parts.

What is the average price of an Automatic Transmission Part for a 1988 GMC R3500?

The average price for Automatic Transmission Parts for the 1988 GMC R3500 is $62.84. Keep in mind the variety of part types within our Automatic Transmission Part category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Automatic Transmission Parts for other GMC R3500 model years?

Yes, we carry Automatic Transmission Parts for 3 model years of GMC R3500s between 1987 and 1991. The following model years are the most popular for Automatic Transmission Part purchases: 1991, 1990, 1989, and 1987.

What are the cheapest Automatic Transmission Parts for my 1988 GMC R3500?

The cheapest 1988 GMC R3500 Automatic Transmission Parts we carry are:

Automatic Transmission Fluid Filler Tube Seal (11239035) – $4.29
Clutch Pilot Bushing .593 In. x 1.09 In. Type A, Length .750 In. (sold by each) (22148989) – $5.99
Clutch Pilot Bushing (20330523) – $7.29
Automatic Transmission Detent Cable End (10087484) – $7.99
Automatic Transmission Oil Pump O-Ring (11236298) – $9.59

Does Advance Auto Parts sell Automatic Transmission Parts for any other 1988 GMC models?

Yes. We stock Automatic Transmission Parts for 21 other popular 1988 GMC models. Some of the most popular are 1988 Jimmy Automatic Transmission Parts, 1988 K2500 Automatic Transmission Parts, 1988 C2500 Automatic Transmission Parts, 1988 K1500 Automatic Transmission Parts, and 1988 C1500 Automatic Transmission Parts.

What are the top-rated Automatic Transmission Parts that fit the 1988 GMC R3500?

The one 1988 GMC R3500 Automatic Transmission Part we have in stock is the Automatic Transmission Fluid Filler Tube Seal. It is rated 5 stars and costs $4.29.

What types of Automatic Transmission Parts do you sell for my 1988 GMC R3500?

As of 6/2/26, these are some of the most in-demand types of Automatic Transmission Parts for a 1988 GMC R3500:

Can I get help with 1988 GMC R3500 Automatic Transmission Part orders?

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

What is your return policy for GMC R3500 Automatic Transmission Parts?

Advance Auto Parts keeps returns simple. For new GMC R3500 Automatic Transmission Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

1988 GMC R3500 Automatic Transmission Parts

ATP – Automatic Transmission Band (Front) (Part No.JX-58)

ATP – Automatic Transmission Band (2Nd & 4Th) (Part No.CX-42)

ATP – Automatic Transmission Oil Pump O-Ring (Part No.SO-21)

ATP – Automatic Transmission Front Pump Bushing (Pump Body) (Part No.CB-30)

ATP – Automatic Transmission Front Pump Bushing (Part No.CB-4)

ATP – Automatic Transmission Clutch Plate (Part No.JC-57)

B & M – Kickdown Switch Kit For TH400 Transmission (Part No.20297)

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

Pro-King – Automatic Transmission Vacuum Modulator (Part No.MD-28)

ATP – AT MODULATOR VALVE (Part No.JX-76)

ATP – Automatic Transmission Fluid Filler Tube Seal (Part No.JO-15)

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

Spartan – Automatic Transmission Assembly; GM RWD 4L80E 4-Spd (Part No.1651D-81)

Spartan – Automatic Transmission Assembly; GM RWD 4L80E 4-Spd (Part No.1651C-82)

Mr. Gasket – A/Tdipstick (Part No.9704G)

ATP – Automatic Transmission Elect Harness Vss Repair (Part No.JE-22)

ATP – Automatic Transmission Elect. Harness (Vss Repair) (Part No.JE-15)

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

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

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

Carquest Premium – Automatic Transmission Control Solenoid (Part No.SBA4947)

ATP – Automatic Transmission Control Solenoid Lock-Up (Part No.JE-53)

Pro-King – Automatic Transmission Solenoid (Part No.52-0211)

B & M – Cable Bracket (Part No.30498)

Mr. Gasket – A/Tdipstick (Part No.9704G)

Pro-King – Automatic Transmission Vacuum Modulator (Part No.MD-48)

Pro-King – Automatic Transmission Vacuum Modulator (Part No.MD-28)

B & M – Modulator (Part No.20234)

ATP – AT MODULATOR VALVE (Part No.JX-76)

ATP – AT MODULATOR VALVE (Part No.JX-66)

Carquest Premium – Automatic Transmission Modulator Valve (Part No.VMC1023)

Dorman – Clutch Pilot Bushing .593 In. x 1.09 In. Type A, Length .750 In. (sold by each) (Part No.690-014)

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

ATP – Automatic Transmission Front Pump Bushing (Pump Body) (Part No.CB-30)

ATP – Automatic Transmission Front Pump Bushing (Part No.CB-4)

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

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