GMC Sierra 2500 HD Transmission Parts

Essential GMC Sierra 2500 HD Transmission Parts

B & M – TRAVELER CONVERTER (Part No.70431)

TRAVELER CONVERTER

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$789.99
Torque Converter – Traveler Converter with 2000 RPM Stall Speed APPLICATION: GM 4L80E The Traveler converter is intended for use in motorhomes, tow vehicles or other heavy duty applications where a slightly higher stall speed is helpful in getting the vehicle moving. The Traveler is also stronger than a stock converter and has been internally modified to provide about 300 rpm more stall speed for help in initial acceleration without sacrificing normal highway operation. It is manufactured to B&M’s exacting tolerances for long life. Provides slightly higher stall speed than stock to improve pulling power at low speeds. Application: GM 4L80E Please download the attached 4L80E torque converter installation tips. New Precision pump drive tube Heavy duty needle bearings Furnace brazed New sprag and rollers in stator Pressure tested Fully balanced.

Product Features:
  • Ideal For Motor Homes
  • Ideal For Towing Applications
  • Precision Pump Drive Tube
  • Heavy Duty Needle Bearings
  • Furnace Brazed
  • New Sprag and Rollers In Stator
  • Pressure Tested
  • Fully Balanced
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Felpro – AUTOMATIC TRANSMISSION OIL PAN GASKET (Part No.TOS 18698)

AUTOMATIC TRANSMISSION OIL PAN GASKET

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$15.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Unsurpassed quality you can trust
  • Validated for fit, form and function
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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ACDelco – AT Drain Plug (Part No.J5032577049ACD)

AT Drain Plug

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$12.35
AT Drain Plug

Carquest Premium – Automatic Transmission Fluid Temperature Sensor (Part No.WTA1322)

Automatic Transmission Fluid Temperature Sensor

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$19.99
CARQUEST premium engine management products provide the right automatic transmission speed sensor for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions. Designed to meet OE quali

Product Features:
  • Lifecycle tested to meet or exceed OE specifications
  • Direct OE replacement
  • High strength thermoplastic is resistant to shock, temperature and chemicals. Also protects internal components from moisture and contaminants.
  • Global coverage for import and/or domestic applications.
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Anchor – Transmission Mount: Rear, 1 Piece (Part No.3249)

Transmission Mount: Rear, 1 Piece

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$56.99
The purpose of the mount is to support the engine and transmission on the chassis and dampen vibration and noise from reverberating to the rest of the vehicle. Engine and Transmission Mounts are engineered and manufactured to meet or exceed OEM specifications using the latest CAD/CAM engineering process to ensure superior quality, form, fit and function. Only premium quality materials are used in the manufacturing process to guarantee precise performance and maximum durability. Applicable to CADI 15-20; CHEV 11-20; GMC 11-20;. Please verify your application.

Product Features:
  • MAXIMUM LIFE & PERFORMANCE: Both natural and SBR (Styrene Butadiene) rubber provide good abrasion resistance and aging stability to ensure maximum life and performance.
  • MEETS OR EXCEEDS DUROMETER MEASUREMENTS: All rubber material is manufactured to specific Durometer (hardness) measurements based on the vehicle’s application requirements.
  • HARDENED STEEL FASTENERS: All fasteners are made of hardened steel with heat treated Grade #5 bolts.
  • SUPERIOR BOND: A special Chemlock® bonding agent is used to ensure a superior rubber-to-metal bond.
  • HYDRAULIC MOUNT DESIGN: Hydraulic Mounts (applicable where OE) are designed for most front wheel drive vehicles because transverse drive train mounting.
  • For Years: 2011-2020
  • Weight approx: 4 Lbs
  • WITH INTERLOCK
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Dorman – Transmission Oil Cooler Line: Exact Fit, Metal/Rubber (Part No.624-069)

Transmission Oil Cooler Line: Exact Fit, Metal/Rubber

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$31.99
This automatic transmission oil cooler hose assembly is designed to match the fit and function of an original assembly. It is engineered from durable components as a reliable replacement for leaking or damaged lines on specified vehicles.

Product Features:
  • Direct replacement – this automatic transmission oil cooler hose assembly is designed to match the fit and function of the original equipment assembly on specified vehicle makes, models and years
  • Ideal solution – engineered to help ensure proper transmission cooling when the original assembly is leaking or has failed from corrosion, collision, vibration, or fitting damage
  • Durable construction – made of quality materials for reliable performance and long service life
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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ACDelco – Neutral Safety Switc (Part No.J4050351665ACD)

Neutral Safety Switc

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$142.24
Neutral Safety Switc

Dorman – Help – Transmission Dipstick Tube: Direct Replacement, Steel (Part No.921-048)

Transmission Dipstick Tube: Direct Replacement, Steel

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$57.99
This automatic transmission dipstick tube is designed to match the fit and function of the original dipstick tube on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this automatic transmission dipstick tube is designed to match the fit and function of the original dipstick on specified vehicles
  • Restores functionality – reliable replacement for an original dipstick tube that has failed due to fatigue and corrosion
  • 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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Driveworks – Transfer Case Output Shaft Seal (Part No.S-4503N)

Transfer Case Output Shaft Seal

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$13.29
Product Features:
  • Brand may vary by location
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Shift Pro by ETE – 1000/M74 Automatic Transmission Assembly (Part No.T281217)

1000/M74 Automatic Transmission Assembly

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$4046.99
At Shift Pro Inc, fully remanufactured transmissions go beyond the name. So, what’s in that name to start? Pro Engineering: your transmission has been re-engineered to meet or exceed OE standards for tolerances, durability, and quality. Pro Performance: upgraded components and a fully remanufactured torque converter add to enhanced durability over your transmission’s lifetime. Pro Performance: hot-, cold-, load-, and simulated road-tested on custom dynamometers, your transmission is ready to go, wherever you’re headed.

Product Features:
  • Fully tested torque converter included. Shift Pro Inc tests for leaks, lock-up, concentricity, and balance to eliminate the possibilities of front seal leaks, premature bushing wear, and vibration.
  • All dynamometer testing is conducted with Shift Pro Inc’s custom testing program for at least 30 minutes.
  • During dynamometer testing, Shift Pro Inc transmissions are cold, hot, load, and road tested using a fully synthetic transmission fluid and filtration system.
  • All wear-prone valves in the completely remanufactured valve body are restored to stringent specifications and vacuum tested to verify proper function.
  • Shift Pro Inc’s quality control process includes build specification checks performed by four different specialized technicians during the remanufacturing process.
  • No paperwork or registration is required with Shift Pro Inc’s warranty. Each no-hassle warranty is attached to the vehicle VIN and transferrable with ownership.
  • Product might not be available in all states due to local laws.
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KAI – Trans Oil Cooler Assembly (Part No.GM4050106)

Trans Oil Cooler Assembly

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$54.99
New Platinum Pro Automatic Transmission Oil Cooler Assembly, With 5-Speed Automatic

Product Features:
  • With 5-Speed Automatic, Made Of Aluminum
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
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Carquest Premium – Automatic Transmission Pressure Control Solenoid (Part No.SBA4929)

Automatic Transmission Pressure Control Solenoid

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$109.99
Transmission pressure control solenoids are computer controlled oil flow control valves used to apply pressure to automatic transmission clutch packs. All control solenoids meet or exceed original equipment design and quality specifications.
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ACDelco – Automatic Transmission Cooling Hose Retainer (Part No.J2004409720ACD)

Automatic Transmission Cooling Hose Retainer

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$8.02
ACDelco is a global leader in automotive replacement parts and related services and offers quality aftermarket products for most makes and models, including General Motors, Ford, Chrysler, Toyota and Honda. ACDelco has over 100 years of experience in the automotive industry and is a brand of GM Customer Care and After sales, a division of General Motors.
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Dorman – Help – Torque Convertor Bolts (Part No.14099)

Torque Convertor Bolts

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$9.49
This torque converter hardware is designed to match the fit and function of the original hardware on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this torque converter hardware is designed to match the fit and function of the original hardware on specified vehicles
  • Ideal solution – this hardware is a reliable replacement for original hardware that has failed due to fatigue
  • Durable construction – this hardware 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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Dorman – Help – Shift Lever Boot (Part No.47106CD)

Shift Lever Boot

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$28.49
This transmission shift boot matches the fit and function of the original equipment boot that as become damaged or missing. Made of quality materials, this boot is designed for durability and has been validated for a proper fit.

Product Features:
  • Ideal replacement – this transmission shift boot matches the fit and function of the original equipment boot for specific makes and models
  • Durable materials – this shift boot is manufactured from quality materials for durability
  • Cost-effective solution – offers original equipment quality at competitive price
  • Quality tested – this part has undergone try-on testing to ensure a quality fit
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Genera – AT Oil Cooler (Part No.J2040576958TYC)

AT Oil Cooler

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$147.12
Many trucks and cars come equipped with Transmission Oil Coolers to maintain consistent operating temperatures for the transmission system. External Transmission Oil Coolers offer additional cooling capacity and efficiency for specific cars and trucks that have them. In addition to the Transmission Oil Coolers that are embedded into many TYC Radiators, TYC is excited to also offer externally mounted Transmission Oil Coolers.

Product Features:
  • OE-comparable harness (no
  • OE-comparable mounting provisions ensure drop-in precise fitment
  • Rigorous and accelerated cycling tests to ensure product service quality and durability
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Dorman – Transmission Oil Cooler Assembly (Part No.918-295)

Transmission Oil Cooler Assembly

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$231.99
This automatic transmission oil cooler is designed to match the function of an original cooler on specified vehicles. It is engineered to help maintain proper engine oil temperature when an original cooler has failed from heat, corrosion, or damage.

Product Features:
  • Direct replacement – this automatic transmission fluid cooler is designed to match the function of an original cooler on specified vehicle
  • Ideal solution – engineered to help maintain proper transmission fluid temperature when an original cooler has failed from heat, corrosion or damage
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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National – Multi Purpose Seal (Part No.714670)

Multi Purpose Seal

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$36.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
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National – Multi Purpose Seal (Part No.9449)

Multi Purpose Seal

from

$9.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
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Dorman – Help – Flexplate Mounting Bolts (Part No.14112)

Flexplate Mounting Bolts

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$18.29
Servicing or installing a flywheel or flexplate on a General Motors LS engine with a manual or automatic transmission? Ensure a truly professional repair by replacing all the worn or broken factory bolts with this convenient package of six direct-replacement 11mm x 1.5 mounting bolts. Coated with clear zinc for corrosion resistance, with threadlocker already applied, they’re precision-manufactured from strong steel for long service life.

Product Features:
  • Direct replacement – these six 11mm x 1.5 flywheel bolts match the fit, function and performance of the factory fasteners
  • Convenient package – package contains six bolts, the exact quantity needed for a complete repair
  • Durable construction – coated with clear zinc for corrosion resistance, with threadlocker already applied, and made from strong steel for long service life
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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ARP Auto Racing – For Use With Gen Iii/ Ls Series Chevy Small Block, 0.880" Under Head L (Part No.244-2901)

For Use With Gen Iii/ Ls Series Chevy Small Block, 0.880" Under Head L

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$29.99
Flywheel and flex plate bolts play an important role in the performance and safety of race cars and street machines alike. That is why the fastener experts at ARP have developed special bolts that are far superior to OEM hardware. ARP offers two styles of flywheel/flex plate bolts: High Performance and Pro Series. They are both forged from aerospace alloy and heat treated prior to thread rolling and machining. Both feature an exclusive, flat, 12 point head design and larger than stock shank diameter for increased strength and improved flywheel register. The popular High Performance series is rated at 180,000 PSI, and the premium grade Pro Series, originally developed for NASCAR competition, has a 200,000 PSI rating. Complete with washers and nuts where applicable.

Product Features:
  • Forged From Aerospace Alloy And Heat Treated Prior To Thread Rolling And Machining
  • Feature An Exclusive, Flat, 12 Point Head Design And Larger Than Stock Shank Diameter
  • Flanged Nut
  • Increased Strength And Improved Flywheel Register
  • 0.88″ Underhead Length
  • Set of 6
  • 200,000 PSI
  • 1-PC Rear Main
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Dorman – Transmission Crossmember (Part No.926-980)

Transmission Crossmember

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$229.99
Transmission shifting on its mountings? A rusted transmission support crossmember can allow excess movement in the driveline. Replacing the crossmember while retaining the existing frame restores performance and keeps the vehicle on the road.

Product Features:
  • Direct replacement – this transmission crossmember installs in place of the original frame member to secure the transmission in its place
  • No welding required – this transmission crossmember bolts in place and requires no cutting or welding
  • Quality materials – stamped steel construction with epoxy-coat finish for durability
  • Vehicle tested – has undergone extensive on-vehicle testing to ensure trouble-free fit and installation
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National – Bearings (Part No.B-5020)

Bearings

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$25.49
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Available in both caged design and full complement
  • Industry leading coverage
  • Professional technicians know they can depend on National
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GMC Sierra 2500 HD Transmission Parts Categories

Helping You Find the Right Transmission Parts for Your GMC Sierra 2500 HD

You love your Sierra 2500 HD. So we’ve made it easier than ever to help you find GMC Sierra 2500 HD Transmission Parts in our online catalog. Our inventory holds 392 aftermarket and OEM Transmission Parts for your GMC Sierra 2500 HD, ranging from $1.99 to $4,046.99.

We offer parts from 34 brands trusted to make quality Transmission Parts for your GMC Sierra 2500 HD. Before you buy, take some time to read through customer reviews. We currently have 69,783 reviews of GMC Sierra 2500 HD Transmission Parts from previous customers. Some of the top rated parts include Maxi-Kool® XL Transmission Oil Cooler with 4.4 stars and Econo-Kool® Transmission Oil Cooler with 4.7 stars.

Find your Sierra 2500 HD Transmission Parts here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your GMC Sierra 2500 HD part to confirm it’s just right? You can find your nearest Advance Auto Parts store and confirm they have the part in stock before heading over.

Top Transmission Parts Brands for Your GMC Sierra 2500 HD

Our inventory holds Transmission Parts for your GMC Sierra 2500 HD from 34 trusted brands. You’ll find OEM and aftermarket parts from brands like Dorman, Imperial, and National, all of which can keep that GMC happy.
We have ACDelco parts available for your GMC Sierra 2500 HD in categories like Back Up Neutral Safety Parts. Some of the top-rated ACDelco parts in these categories are:
Black Multi-Purpose Relay
from $16.49
(2)
Black Multi-Purpose Relay
Neutral Safety Relays

Top-Rated ATP Transmission Parts

Leading ATP Transmission Parts

We carry ATP brand parts for your GMC Sierra 2500 HD across several catalog categories, including Automatic Transmission Kits and Gear Shifters and Cables. Some of our most reviewed ATP parts include:
Automatic Transmission Shifter Cable
from $92.99
(255)
Automatic Transmission Shifter Cable
Automatic Transmission Shifter Cable Kits
Automatic Transmission Shifter Cable
from $83.99
(13)
Automatic Transmission Shifter Cable
Transmission Shift Cables
Shift Solenoid
from $52.99
(1)
Shift Solenoid
Automatic Transmission Shift Solenoids

FAQs for GMC Sierra 2500 HD Transmission Parts

What are the most purchased Transmission Parts for the GMC Sierra 2500 HD?

Out of 392 Transmission Parts for the GMC Sierra 2500 HD, the most popular in our inventory are:
High Performance Transmission Oil Cooler
from $81.99
(48)
High Performance Transmission Oil Cooler
OE Transmission Coolers
Transmission Line Connector With 3/8 Tube X 5/8-18 In. Thread
from $6.49
(16)
Transmission Line Connector With 3/8 Tube X 5/8-18 In. Thread
Automatic Transmission Line Connectors
Transmission Mount: Rear, 1 Piece
from $23.49
(20)
Transmission Mount: Rear, 1 Piece
Transmission Mounts

What are the top-rated GMC Sierra 2500 HD Transmission Parts?

Top-rated Transmission Parts for your GMC Sierra 2500 HD based on customer reviews/ratings are:
Maxi-Kool® XL Transmission Oil Cooler
from $81.99
(31)
Maxi-Kool® XL Transmission Oil Cooler
“Great , kept my trans cool pulling a large loader”
Econo-Kool® Transmission Oil Cooler
from $54.99
(30)
Econo-Kool® Transmission Oil Cooler
“Just what I ordered”
Multi Purpose Seal
from $6.99
(20)
Multi Purpose Seal
“The product works well”