2003 GMC Sierra 2500 HD Transfer Case Assemblies

Your 2003 GMC Sierra 2500 HD might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Transfer Case Assemblies you desperately need.

We currently carry 12 Transfer Case Assemblies to choose from for your 2003 GMC Sierra 2500 HD, and our inventory prices range from as little as $3.99 up to $2,384.99.

On top of low prices, Advance Auto Parts offers 3 different trusted brands of Transfer Case Assemblies for the 2003 GMC Sierra 2500 HD. We only sell parts from trusted brands like Dorman so that you can find quality parts you can count on.

Don’t take our word for it – check out customer ratings and reviews to buy with confidence. We have 16 reviews on our Transfer Case Assemblies for the 2003 GMC Sierra 2500 HD from previous customers.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Transfer Case Assemblies stock in-person!

Transfer Case Assemblies for Your 2003 GMC Sierra 2500 HD

Dorman – Transfer Case Housing Rear (Part No.917-561)

Transfer Case Housing Rear

from

$242.99
This transfer case housing matches the fit and function of a cracked or leaking original equipment housing. Durably constructed, this housing includes new seals to ensure a leak-free installation.

Product Features:
  • Ideal replacement – this transfer case housing is a direct replacement for a cracked or leaking original equipment housing
  • Durable construction – this 100% new housing is precision-manufactured for reliable longevity
  • Cost-effective solution – offers original equipment quality at a competitive price compared to original equipment
  • Quality tested – this part has undergone try-on and material testing to ensure a quality fit and long service life
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EVO Driveline – Transfer Case Assembly (Part No.UMT139-3M1)

Transfer Case Assembly

from

$2384.99
Evolution Driveline products, are remanufactured to meet or exceed OEM specifications for quality, fit, and performance. Every transfer case we sell passes a comprehensive battery of tests on our computerized test center. We recreate actual driving conditions and analyze performance before the product even leaves the factory, so you can buy with confidence.

Product Features:
  • Back Lash, Mesh Load, Leak and Rotational Torque QC testing performed on each unit.
  • OEM cores are processed as individual units throughout the tear down and assembly process
  • Cores cleaned using our Hydro Blast cleaning and rinse process
  • All case halves wet sanded to ensure perfect mating surfaces
  • Loctite gasket eliminator and primer used to seal all aluminum mating surfaces
  • Remanufactured in our ISO9001:2008 USA facility.
  • Without Motor
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EVO Driveline – Transfer Case Assembly (Part No.UMT139-5M1)

Transfer Case Assembly

from

$2199.99
Evolution Driveline products, are remanufactured to meet or exceed OEM specifications for quality, fit, and performance. Every transfer case we sell passes a comprehensive battery of tests on our computerized test center. We recreate actual driving conditions and analyze performance before the product even leaves the factory, so you can buy with confidence.

Product Features:
  • Back Lash, Mesh Load, Leak and Rotational Torque QC testing performed on each unit.
  • OEM cores are processed as individual units throughout the tear down and assembly process
  • Cores cleaned using our Hydro Blast cleaning and rinse process
  • All case halves wet sanded to ensure perfect mating surfaces
  • Loctite gasket eliminator and primer used to seal all aluminum mating surfaces
  • Remanufactured in our ISO9001:2008 USA facility.
  • Without Motor
See More

EVO Driveline – Transfer Case Assembly (Part No.UMT139-4)

Transfer Case Assembly

from

$1914.99
Evolution Driveline products, are remanufactured to meet or exceed OEM specifications for quality, fit, and performance. Every transfer case we sell passes a comprehensive battery of tests on our computerized test center. We recreate actual driving conditions and analyze performance before the product even leaves the factory, so you can buy with confidence.

Product Features:
  • Back Lash, Mesh Load, Leak and Rotational Torque QC testing performed on each unit.
  • OEM cores are processed as individual units throughout the tear down and assembly process
  • Cores cleaned using our Hydro Blast cleaning and rinse process
  • All case halves wet sanded to ensure perfect mating surfaces
  • Loctite gasket eliminator and primer used to seal all aluminum mating surfaces
  • Remanufactured in our ISO9001:2008 USA facility.
  • Without Motor
See More

EVO Driveline – Remanufactured Transfer Case (Part No.UMT139-3)

Remanufactured Transfer Case

from

$1904.99
Evolution Driveline products, are remanufactured to meet or exceed OEM specifications for quality, fit, and performance. Every transfer case we sell passes a comprehensive battery of tests on our computerized test center. We recreate actual driving conditions and analyze performance before the product even leaves the factory, so you can buy with confidence.

Product Features:
  • Back Lash, Mesh Load, Leak and Rotational Torque QC testing performed on each unit.
  • OEM cores are processed as individual units throughout the tear down and assembly process
  • Cores cleaned using our Hydro Blast cleaning and rinse process
  • All case halves wet sanded to ensure perfect mating surfaces
  • Loctite gasket eliminator and primer used to seal all aluminum mating surfaces
  • Remanufactured in our ISO9001:2008 USA facility.
  • Without Motor
See More

EVO Driveline – Transfer Case Assembly (Part No.UMT139-1)

Transfer Case Assembly

from

$1707.99
Evolution Driveline products, are remanufactured to meet or exceed OEM specifications for quality, fit, and performance. Every transfer case we sell passes a comprehensive battery of tests on our computerized test center. We recreate actual driving conditions and analyze performance before the product even leaves the factory, so you can buy with confidence.

Product Features:
  • Back Lash, Mesh Load, Leak and Rotational Torque QC testing performed on each unit.
  • OEM cores are processed as individual units throughout the tear down and assembly process
  • Cores cleaned using our Hydro Blast cleaning and rinse process
  • All case halves wet sanded to ensure perfect mating surfaces
  • Loctite gasket eliminator and primer used to seal all aluminum mating surfaces
  • Remanufactured in our ISO9001:2008 USA facility.
  • Without Motor
See More

Dorman – Front Transfer Case Half Assembly (Part No.600-126)

Front Transfer Case Half Assembly

from

$831.99
This transfer case housing matches the fit and function of a cracked or leaking original equipment housing. Durably constructed, this housing includes new seals to ensure a leak-free installation.

Product Features:
  • Ideal replacement – this transfer case housing is a direct replacement for a cracked or leaking original equipment housing
  • Durable construction – this 100% new housing is precision-manufactured for reliable longevity
  • Cost-effective solution – offers original equipment quality at a competitive price compared to original equipment
  • Quality tested – this part has undergone try-on and material testing to ensure a quality fit and long service life
See More

Dorman – Front Transfer Case Half Assembly (Part No.600-127)

Front Transfer Case Half Assembly

from

$826.99
Dorman-enhanced for durability, our Transfer Case Housing has increased housing material to eliminate the pump from rubbing against the case. By increasing the material thickness around the oil pump mounting surface it will aid in in eliminating the common problem of the pump rub wearing holes into the housing. This will ensure a long lasting and trouble free Transfer Case Housing.

Product Features:
  • Comes with all seals and hardware necessary for a complete repair
  • Direct fit for a trouble-free replacement
  • Replacement restores proper operation of your four-wheel drive (4WD)
  • Built from high-quality materials for long-lasting durability
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Dorman – Front Transfer Case Half Assembly (Part No.600-125)

Front Transfer Case Half Assembly

from

$784.99
This transfer case housing matches the fit and function of a cracked or leaking original equipment housing. Durably constructed, this housing includes new seals to ensure a leak-free installation.

Product Features:
  • Ideal replacement – this transfer case housing is a direct replacement for a cracked or leaking original equipment housing
  • Durable construction – this 100% new housing is precision-manufactured for reliable longevity
  • Cost-effective solution – offers original equipment quality at a competitive price compared to original equipment
  • Quality tested – this part has undergone try-on and material testing to ensure a quality fit and long service life
See More

USA Standard Gear – TRANSFER CASE PARTS (Part No.74111)

TRANSFER CASE PARTS

from

$534.99
TRANSFER CASE PARTS

USA Standard Gear – TRANSFER CASE PARTS (Part No.78439)

TRANSFER CASE PARTS

from

$484.99
TRANSFER CASE PARTS

USA Standard Gear – TCase Housing (Part No.78993)

TCase Housing

from

$3.99
TCase Housing

FAQs for 2003 GMC Sierra 2500 HD Transfer Case Assemblies

What are the most popular Transfer Case Assemblies for the 2003 GMC Sierra 2500 HD?

With 3 brands you can trust, our most popular Transfer Case Assemblies for the 2003 GMC Sierra 2500 HD parts are:
Transfer Case Housing Rear
from $242.99
(2)
Transfer Case Housing Rear
Transfer Case Assemblies
TRANSFER CASE PARTS
from $534.99
This product is not rated
TRANSFER CASE PARTS
Transfer Case Assemblies
Transfer Case Assembly
from $2384.99
This product is not rated
Transfer Case Assembly
Transfer Case Assemblies