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1998 GMC Transmissions
Showing In Stock Items. Show All 229 Items.
TransGo Performance Shift Kits
TransGo's Performance shift kits give you the hard-launching, tire-blazing shifts you want, after just a few hours' work with basic hand tools. TransGo even has kits for computer-controlled, 4-speed automatics. Their performance shift kits can be installed with the transmission in the vehicle and they come with complete instructions. Some kits even include a step-by-step video to walk you through the installation process.
( 511 )
$50.14
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$321.43
On Sale
B&M Tork Master Torque Converters
Tork Master converters are B&M's most affordable performance torque converters. They feature precision pump drive tubes and are pressure tested, fully balanced, and ready to install. The Tork Masters are excellent all-around performance street converters. They are not recommended for big block or supercharged applications.
( 184 )
$460.95
$413.95
Lokar Midnight Series Flexible Braided Stainless Transmission Dipsticks
Lokar's Midnight Series flexible braided stainless transmission dipsticks feature a heat-resistant PTFE rod with a black braided stainless steel cover. The flexible inner rod is stamped with appropriate trans-fluid levels, and the outer housing has a slim design that allows for mounting them inside of the headers. They're available in both firewall-mount and trans-mount styles, and a funnel adapter is included for assistance with filling. Order the length recommended for your transmission application.
( 80 )
$151.95
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$176.95
Summit Racing™ Automatic Transmission Rebuild Kits
On average, transmissions last between 30,000 to 50,000 miles before requiring maintenance. When that milestone occurs, Summit Racing™ offers automatic transmission rebuild kits for more than a dozen transmission models spanning a half-century. The kits include all-new clutches, oil seals, gaskets, lip seals, and a transmission filter. These rebuild components are an economical way to restore performance. Order the kit recommended for your application.
( 36 )
$239.99
On Sale
B&M Holeshot Torque Converters
A higher-than-stock stall speed as delivered by these B&M Holeshot converters will provide several advantages and benefits to vehicles with modified engines. Many modifications, particularly big cams, tend to reduce low-end power and torque. These high-stall converters allow the engine to launch the car at higher rpm, where more torque is available. They're a very good choice for the typical street machine that is looking for better launch capability and more strength.
( 84 )
$1,075.95
$583.95
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$967.95
TCI Filler Tubes and Dipsticks
TCI introduces a fresh line of quality filler tubes. Applications for the most popular Ford, GM, and Chrysler transmissions are available. Most of the dipsticks feature a locking stick that satisfies sanctioning bodies' racing rules. The rubber boot seal is a vast improvement over the small O-ring typically used on older OEM tube designs.
( 188 )
$65.95
Summit Racing™ OE Replacement Flywheels
Summit Racing™ OE replacement flywheels offer a great fit and an economical price. They are manufactured from ductile iron and offer original fit and function. Replace your old flywheels with Summit Racing™ OE parts.
( 73 )
$128.99
On Sale
Mr. Gasket Automatic Transmission Oil Pans
These automatic transmission oil pans from Mr. Gasket are stock-depth chrome plated pans. They come complete with a washer and gasket and most have drain plugs.
( 93 )
$74.35
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$129.95
$66.92
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$116.95
Summit Racing™ High Performance Automatic Transmission Rebuild Kits
Summit Racing™ high performance automatic transmission rebuild kits feature the necessary parts to get your transmission working more efficiently than ever. Available for a variety of transmissions, the Summit Racing™ high performance automatic transmission rebuild kits are an excellent choice for increased durability and performance. Kits include: * Alto Red clutches * Kolene coated or Premium Steels * High performance band * High performance transmission filter * Bushing kit * Oil seals * Gaskets * Lip seals
( 65 )
$327.99
TCI Governor Covers
Has your vehicle's governor cover from the factory reached its "term limit?" Might be time to choose a replacement from the experts at TCI Auto! Your old rusted and dented cover has seen years of abuse, so why let it ruin the looks of your engine bay? Now you can dress up your transmission governor with corrosion-resistant stainless steel. These aesthetically pleasing options are available in two styles—exact OEM replica or stamped with the TCI logo. Both include a rubber O-ring for a leak-free seal. Conceal the hole where the governor is located and hold it in place on the transmission with a beautiful stainless cover from TCI.
( 45 )
$40.95
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$42.95
On Sale
Hays Twister 3/4 Race Torque Converters
Hays Twister 3/4 Race performance torque converters are designed to be the perfect solution for your street/strip machine. Hays designed the Twister torque converters to be one step short of being a "Full Race" converter giving you the perfect combination of performance and affordability. Every torque converter is hand built, inspected and tested to ensure they meet the top of the line quality you expect. To ensure consistency and improve performance each converter is built for one transmission with one bolt pattern, meaning a lighter converter to maximize performance. High flow stators promote better cooling and heavy duty Torrington bearings are used to increase strength and durability. Not ready to go a "Full Race" converter, Hays is there for you with their Twister 3/4 Race torque converters.
( 11 )
$1,024.95
$690.95
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$972.95
McLeod Steel Flywheels
Sometimes you just want steel! Lightweight alloy flywheels can offer substantial benefits for certain situations, but sometimes they're just not your cup of tea. Maybe you're on a budget, maybe you're running a heavy drag car, or maybe you just don't need those benefits. If that's the case, McLeod has the answer. Their steel flywheels deliver all of the strength and reliability that you need, at a substantially lower price. They're neutrally balanced, but are drilled to accept balance weights for use on externally balanced engines. McLeod steel flywheels available for a wide variety of large and small engines.
( 103 )
$325.00
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$365.00
TCI Master Racing Overhaul Kits
These TCI transmission Master Racing overhaul kits are designed for racers who maintain their own transmissions. They contain parts that are required when freshening up an existing competition transmission. You'll receive the high performance filter, clutches, steels, seals, gaskets, and bushings normally replaced during a rebuild. In addition, kits for late model GM overdrive transmissions also include a new performance band.
( 58 )
$285.95
Perfection OE Replacement Flywheels
Perfection Clutch offers OE replacement flywheels for applications spanning a half-century. Machined from ductile iron, the flywheels are available in a variety of styles, sizes, and tooth counts. Flywheels serve three purposes: First, to maintain a rotating mass (inertia) to assist the engine rotation, providing a more consistent delivery of torque during running. Second, to provide a ring gear for the starter motor to engage on. And third, to provide one of the driving friction surfaces for the friction disc. Over a hundred models are available; select the replacement recommended for your vehicle.
( 51 )
$138.99
Sonnax Shift Improver Performance Packs
Sonnax shift improver performance packs combine innovative heavy-duty performance calibration for firmer shifts under load without sacrificing low-speed drivability. The precision components in these kits upgrade your transmission for maximum achievement and durability by recalibrating pressures, recalibrating shift accumulation, and including improved parts for areas that commonly wear. They are suitable for any heavy-duty application and are a critical foundation for other upgrades when modifying the transmission for high performance use. Sonnax shift improver performance packs additional facts and features: * Shorter shifts, which get progressively firmer with load * Faster pressure increase and higher overall pressure for greater clutch/band holding power * Three ultra-reliable, patented, billet pinless accumulator pistons * Unique 1-2 accumulator spring combination for shifts with character * Improved high rpm pressure * Third accumulator valve gets the 2-3 right the first time, every time * Consistent results, no guessing on calibration * Prevents worn accumulators and separator plate * Optional TCC on-off conversion prevents excess TCC pressure
( 6 )
$176.59
Summit Racing™ Transmission Pans
You can get Summit Racing™ transmission pans in Steel or Aluminum and in plain or finned styles. They are available in Chrome, Polished, Black Powdercoated, Zinc or Copper finishes. We offer stock depth or deep pan designs and come with a drain plug.
( 318 )
$97.99
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$100.99
Lokar Hi-Tech Flexible Braided Stainless Transmission Dipsticks
Lokar's Hi-Tech flexible braided stainless transmission dipsticks match right up with other Lokar accessories. They feature a flexible, heat-resistant PTFE rod with a braided stainless steel cover. The inner rod is stamped with appropriate trans-fluid levels, and the outer housing has a slim design that allows for mounting inside of the headers. These dipsticks are available in both firewall-mount and trans-mount styles, and a funnel adapter is included for assistance with filling. Order the length and other options preferred for your vehicle make and transmission application.
( 339 )
$138.95
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$163.95
ACDelco GM Genuine Parts Automatic Transmission Pans
The factory-original fit and lasting function of ACDelco Gm Genuine Parts automatic transmission pans provide a perfect repair without breaking your budget. They are designed, engineered, and tested to rigorous standards, and are backed by General Motors. Features: * Built with premium materials for prolonged service * Precisely engineered to OE specifications * Trouble-free installation and function ensured by rigorous testing procedures * Designed for direct compatibility
( 14 )
$59.99
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$109.99
LuK Clutch Slave Cylinders
Historically, the core business of LuK—an abbreviation that, in English, stands for disc and clutch makers--is clutches, their associated systems, and powertrain dampers. LuK clutch slave cylinders have a long operating life and low-friction characteristics, thanks to the special design of the central seal, with a plastic reinforcement and the use of special lubricants. LuK offers both hydraulic concentric slave cylinders fitted within the bellhousing and external slave cylinders for lever-operated throwout bearings. All automatically adjust for clutch wear.
( 58 )
$73.99
ACDelco Pilot Bearings and Bushings
ACDelco transmission pilot bearings and bushings deliver the quality, durability, and reliability you expect. They facilitate less friction and longer life from the clutch assembly in your ride. These replacements are available in a variety of sizes, styles, and materials. Order the model recommended for your application.
( 40 )
$18.99
LuK Clutch Flywheels
LuK solid flywheels are dynamically balanced to eliminate vibration and increase clutch performance. Manufactured to OE specifications, pairing your clutch set with a new LuK flywheel is a smart, cost-effective alternative to resurfacing, offering a smooth, flat surface crucial for proper clutch operation. They are engineered and built with quality materials for a longer service life. Select the disc diameter and ring gear tooth quantity needed for your application.
( 125 )
$99.99
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$227.99
ACDelco Gold Automatic Transmission Fluid Filters
ACDelco Gold automatic transmission fluid filters can help to ensure the reliability and performance of your automatic transmission. These filters trap impurities that may be present in the fluid before they get pumped through to the moving components of your transmission, thus avoiding damage. On-time maintenance can extend your transmission's life and keep it operating efficiently. Perform service with ACDelco Gold automatic transmission fluid filters.
( 53 )
$25.99
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$48.99
VEGE Remanufactured Heavy-Duty Torque Converters
With the largest selection of remanufactured torque converters in the world to fit any transmission, model, or vehicle application, all VEGE remanufactured torque converters are built with parts that are of equal quality or higher quality than OEM (Original Equipment Manufacturer) parts, including VEGE's heavy-duty remanufactured torque converters. You can expect the best with VEGE! Specializing in reliable, yet affordable, sealed torque converters, VEGE torque converters are among the most popular in the industry. Their unique process combines the skillful experience of bench craftsman with the industrial engineering production line. Choose the torque converter model suited to your application needs.
( 11 )
$298.99
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$318.99
On Sale
B&M Automatic Transmission Deep Pans
B&M automatic transmission deep pans provide additional fluid capacity and cooling ability. No modifications to the dipstick are needed. They include a drain plug for clean and easy fluid changes, and are available in chrome or cast aluminum. Filter extensions are included for those applications that require the filter to be moved closer to the bottom of the pan.
( 366 )
$393.95
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$409.95
$354.55
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$367.95
