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GMC SIERRA 2500 HD Transmission & Drivetrain

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Results 1 - 24 of 481

On Sale

B&M Street and Strip Transmissions

B&M remanufactured Street and Strip transmissions are put together with new gaskets, bushings, seals, thrust washers, high performance friction materials, and gold zinc plated hardware. The front pump is rebuilt to B&M specs and the valve body is recalibrated. They're built for extreme conditions and are perfect replacing a worn transmission, cruising, and racing.

3.46 out of 5 stars ( 13 )

$4,049.95


$3,643.95

Summit Bucks

Instant Rebate

Eaton Detroit Truetrac Differentials

Eaton Detroit Truetrac differentials use a patented design of parallel-axis planetary helix gears to provide a quiet, automatic splitting of torque. They perform like a limited-slip differential under normal driving conditions, automatically transferring torque to the wheel with better traction when ground conditions warrant. These replacement units are available for dozens of axle applications.

4.78 out of 5 stars ( 501 )

$939.99

$1,279.99

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.

4.42 out of 5 stars ( 103 )

$329.00

$429.00

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.

4.65 out of 5 stars ( 80 )

$151.95

$176.95

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.

4.55 out of 5 stars ( 337 )

$133.30

$176.95

Summit Bucks

ACDelco GM Genuine Parts Flexplates

ACDelco GM Genuine Parts flexplates are designed, engineered, and tested to rigorous standards and backed by General Motors. They're true OE parts that will replace your originals with the same fit and performance, and are updated to integrate new materials and technologies. Order the flexplate model recommended for your vehicle.

5.0 out of 5 stars ( 7 )

$95.99

$131.99

Summit Bucks

ACDelco Transmission Bellhousings

ACDelco offers transmission bellhousings for a wide range of vehicles from the 1990s and up. Built from aluminum, these GM-recommended replacements deliver the quality and durability of original equipment, plus a factory fit and solid performance. The bellhousings are available for nearly two dozen transmission models. Order the unit designed for your application.

3.63 out of 5 stars ( 8 )

$239.99

$628.99

On Sale

Hays Heavy-Duty Flexplates

Hays heavy-duty flexplates for high performance and competition engines are constructed from a thicker-than-stock steel plate. This enables them to withstand the stress of high-stall torque converters and high-rpm engines. While factory stock plates tend to crack around the crankshaft hub when punished under high-torque and rpm conditions, the thicker Hays flexplates can handle the force. These heavy-duty flexplates are supplied with a ring gear that is securely welded in place. All Hays heavy-duty flexplates are zinc-dichromate plated to resist corrosion and SFI-certified under specification 29.1.

4.16 out of 5 stars ( 63 )

$205.95


$185.35

Summit Bucks

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

4.43 out of 5 stars ( 14 )

$30.99

$118.99

Summit Racing™ Positraction Differential Carriers

Summit Racing™ Positraction differential carriers deliver aggressive, yet smooth, controllable traction. Our carriers feature nodular iron cases, forged steel internals, strong teeth—and they're fully rebuildable. We offer fitments for dozens of axle models. Whether replacing or upgrading, Summit Racing™ Positraction differential carriers will put power to the pavement, providing the confidence and performance you need.

4.47 out of 5 stars ( 49 )

$904.99

TransGo Automatic Transmission Reprogramming Kits

TransGo automatic transmission reprogramming kits are designed with performance in mind. Most, but not all models contain additional features like Gear Command that allows you to hold manual low to any speed, and shift back to low at any speed. They are great for strip cars or 4x4 rock crawlers needing to select low and not have it upshift. Most TransGo automatic transmission reprogramming kits can be tuned for HD (Heavy Duty) use by following the recommendations in the kits.

4.69 out of 5 stars ( 39 )

$232.86

Sachs Stock Replacement Flywheels

Replace your worn-out or malfunctioning flywheel with one of Sachs Stock Replacement flywheels. These quality components are built to OEM specifications to offer the same fit, form, and function as the factory part, which means a safer, more comfortable, and contemporary drive. All Sachs Stock Replacement flywheels are designed to provide superior performance and dependability to help restore your vehicle back to its proper operation. Choose the replacement flywheel designed to fit your application needs.

5.0 out of 5 stars ( 1 )

$129.99

Banks Power Ram-Air Differential Covers

Banks Ram-Air differential cover are unlike any others. After testing covers with flat-backs and those with larger fluid capacities, it was apparent that those covers do not cool as well as advertised and suffer from poor fluid dynamics. As a result, flat-backs reduce fuel economy. Banks Ram-Air differential cover extends lubrication life and retains fuel economy! Features: * A380 aircraft aluminum diecast for exceptional strength and precise fit * 12-point chrome plated flanged mounting bolts * 24 external radiator fins offer 534 sq. in. of surface area to ensure optimal heat rejection * Ram-Air system directs cool high-velocity air through radiator fins, eliminating the dead zone * Designed with breakaway scoops * Magnetic fill plug with 20 degree angle for easy fill--simplifies oil changes * Sight-glass with contrast screen and Viton® O-ring seal * Recessed magnetic drain plug simplifies oil changes

4.6 out of 5 stars ( 35 )

$375.00

$425.00

On Sale

B&M Transmission Brackets and Levers

B&M offers a full line of shift levers, cable brackets, and assorted linkage components everything you need for installing your B&M shifter. Or they can be used as replacements for lost or damaged parts. B&M parts are made to fit a wide variety of applications, so you're sure to find what you need.

4.66 out of 5 stars ( 187 )

$27.14

$49.95


$24.43

$44.95

On Sale

Centerforce Dual Friction Clutch Kits

Centerforce dual friction clutches generate up to a 90 percent increase in holding capacity over stock systems. These clutch-and-disc sets are designed for engines producing high horsepower and big torque outputs. Perfect for 4WD vehicles, all Centerforce clutch systems provide smooth engagement and light pedal pressure without compromising high performance.

4.66 out of 5 stars ( 306 )

$671.95

$1,049.95


$604.76

$944.96

Spicer Drivetrain Products Life Series U-Joints

Spicer Drivetrain Products Life Series U-joints consistently outperform the rest, so you can hit the road or trail with confidence. Cold-forged from high-quality steel, these SPL universal joints feature synthetic thrust washers, multi-lip seals, and the choice of greaseable or non-greaseable. Get the most out of your rig with Spicer Life Series U-joints. Order the replacement model designed to fit your vehicle.

4.83 out of 5 stars ( 113 )

$27.99

$30.99

McLeod Non-SFI Aluminum Bellhousings

McLeod Non-SFI aluminum bellhousings are the gold standard when it comes to accuracy and compact performance. These Non- SFI rated version is for those customers looking for a light weight bellhousing, but not concerned with a SFI rating so these units do not come with a steel block plate.

4.86 out of 5 stars ( 7 )

$195.50

Timken Pinion Bearings

Timken pinion bearings offer durability and peace of mind. Known the world over, Timken bearings are precision-engineered to provide you with superior quality, along with energy-efficient and cost-effective friction management. For a proper fit that will run smoothly, these single-row tapered roller bearings are your best bet when replacing old and worn pinion bearings. Timken bearings are available for dozens of axle types; choose the models that match your vehicle specs.

4.82 out of 5 stars ( 57 )

$23.99

$57.99

Strange U-Joints

Strange U-joints are great. They're made from top-quality materials for a good fit with your drivetrain components.

3.88 out of 5 stars ( 16 )

$35.79

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.

4.3 out of 5 stars ( 67 )

$141.99

Alloy USA Mini Spools

The GM 14-bolt is one of the most popular axles for running large tires on your truck or buggy. Its 10.5 in. ring gear and 30-spline 1.5 in. axle shafts scream tuff! Alloy USA mini spools lock up both axles for ultimate traction. These small, simple-to-install mini spools change an open differential to full-on traction with no differentiation in corners, making them great for straight line racing and mud bogs. Alloy USA mini spools will shift your open differential from mild to wild.

4.13 out of 5 stars ( 8 )

$195.99

Chevrolet Performance Flywheel Bolts

Properly secure your flywheel with these flywheel bolts from Chevrolet Performance. These high-quality bolts feature steel construction with a durable black oxide finish.

5.0 out of 5 stars ( 5 )

$4.99

TransGo Lockup Valve Kits

These TransGo lockup valve kits contain new parts to maximize torque converter life in high-mileage OEM transmissions. They will help your transmission to operate more efficiently and improve overall reliability.

4.33 out of 5 stars ( 6 )

$46.43

VEGE Remanufactured Automatic Transmissions

VEGE Remanufactured automatic transmissions enable you to get back on the road quickly—without breaking the bank! With its advanced and efficient production process, backed by more than eight decades of experience, VEGE is able to supply remanufactured automatic transmissions with a level of quality that equals that of new OEM products at extremely competitive prices. The parts are carefully inspected, cleaned, and then fully machined and assembled with top-of-the-line components. Thousands of models are available, with aluminum case, torque converter included, and gear options from one through eight. Includes fluid. Get your vehicle shifting into gear with a reman auto-trans from VEGE.

4.43 out of 5 stars ( 7 )

$2,565.99

$3,610.99

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