2003 GMC Sierra 2500 HD Transmission Cooler and Parts
More 2003 GMC Sierra 2500 HD Transmission Cooler and Parts
Find your specific 2003 GMC Sierra 2500 HD original or aftermarket Transmission Cooler and Parts below. Order your parts online and have delivered to your home or pick up in-store at Advance Auto.
Essential 2003 GMC Sierra 2500 HD Transmission Cooler and Parts
ACDelco – AT Cooling Hose Fitt (Part No.J2010575613ACD)
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$33.41
AT Cooling Hose Fitt
Imperial – Maxi-Kool® XL Transmission Oil Cooler (Part No.243007)
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$73.99
The Imperial Maxi-Cool® XL’s plate and fin design offer excellent cooling efficiency in a compact, space-efficient design.
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Product Features:
- Imperial Maxi-Cool® plate and fin transmission cooler
- Size: 3/4″ x 11″ x 7-1/2″
- Mid-size and full-size cars, pickups
- GVWR up to 20,000 lbs.; towing up to 2,500 lbs.
Imperial – Econo-Kool® Transmission Oil Cooler (Part No.241018)
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$65.99
Product Features:
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- Imperial Econo-Kool« tube and fin transmission cooler
- Size: 3/4″ x 10″ x 15-7/8″
- Class “A” motor homes, large travel trailers, 5th-wheel trailers
- GVWR up to 26,000 lbs.; towing up to 10,000 lbs.
- Compatible with OEM cooler systems
- Ultrasonically soldered for reliability
- 100% pressure testing to 150 PSI for quality assurance
- High efficiency turbulators
Imperial – Econo-Kool® Transmission Oil Cooler (Part No.242010)
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$54.99
Product Features:
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- Imperial Econo-Kool« tube and fin transmission cooler
- Size: 3/4″ x 5″ x 15-7/8″
- Compact and mid-size cars
- GVWR up to 16,000 lbs.; towing up to 2,500 lbs.
- Compatible with OEM cooler systems
- Ultrasonically soldered for reliability
- 100% pressure testing to 150 PSI for quality assurance
- High efficiency turbulators
Genera – AT Oil Cooler (Part No.J2040576958TYC)
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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.
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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
Dorman – Transmission Oil Cooler (Part No.918-213)
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$149.99
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.
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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
Imperial – Transmission Oil Cooler (Part No.241015)
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$145.99
Oil cooler 1-1/2″ x 12″ x 15-1/8″. Extra heavy-duty. Designed for severe-duty transmission oil cooling applications.
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Product Features:
- Imperial Econo-Kool® tube and fin transmission cooler
- Size: 1-1/2″ x 12″ x 15 1/8″
- Severe-duty transmission oil cooling applications
- Towing with class “A” motor home or towing more than 10,000 lbs.
Imperial – Econo-Kool® Transmission Oil Cooler (Part No.242016)
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$65.99
Product Features:
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- Imperial Econo-Kool« tube and fin transmission cooler
- Size: 3/4″ x 7-1/2″ x 15-7/8″
- Pickup trucks and vans, class “C” motor homes, travel trailers to 24′
- GVWR up to 22,000 lbs.; towing up to 5,000 lbs.
- Compatible with OEM cooler systems
- Ultrasonically soldered for reliability
- 100% pressure testing to 150 PSI for quality assurance
- High efficiency turbulators
Imperial – High Performance Transmission Oil Cooler (Part No.240514)
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$81.99
High Performance Transmission Oil Cooler 3/4″ x 7-1/2″ x 15-1/2″. Heavy duty. Black. Imperial High Performance coolers are designed to provide outstanding cooling as well as complement other high-performance accessories.
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Product Features:
- Imperial high-performance transmission cooler
- Size: 3/4″ x 7-1/2″ x 15-7/8″
- SAE 45-degree fittings for maximum reliability
- Electrostatic powder-coated to prevent corrosion
Imperial – Maxi-Kool® XL Transmission Oil Cooler (Part No.243012)
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$81.99
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- Class “A” motor homes, large travel trailers, 5th-wheel trailers
- GVWR up to 30,000 lbs.; towing up to 10,000 lbs.
KAI – Trans Oil Cooler Assembly (Part No.GM4050106)
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$54.99
New Platinum Pro Automatic Transmission Oil Cooler Assembly, With 5-Speed Automatic
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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
Dorman – Transmission Oil Cooler Line (Part No.624-896)
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$49.49
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:
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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
Dorman – Transmission Oil Cooler Line (Part No.624-553)
from
$99.99
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:
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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
Dorman – Transmission Oil Cooler Line: Exact Fit, Metal/Rubber (Part No.624-442)
from
$72.99
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:
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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
Dorman – Transmission Oil Cooler Line (Part No.624-275)
from
$86.99
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:
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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
Dorman – Transmission Oil Cooler Line: Exact Fit, Metal/Rubber (Part No.624-979)
from
$47.49
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:
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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
Dorman – Transmission Oil Cooler Line: Exact Fit, Metal/Rubber (Part No.624-294)
from
$104.99
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:
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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
Dorman – Transmission Oil Cooler Line: Exact Fit, Metal/Rubber (Part No.624-069)
from
$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:
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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
Dorman – Transmission Oil Cooler Line: Exact Fit, Metal/Rubber (Part No.624-894)
from
$48.49
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:
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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
Dorman – Automatic Transmission Cooler Line (Part No.J2000323240DOR)
from
$42.50
Replacing a damaged cooler line with Dorman’s Auto Trans Oil Cooler Hose Assembly takes you a long way in protecting your transmission. Dorman’s line’s leak-resistant design prevents the common, high-stakes problem of transmission fluid loss. Plus, its robust construction readily defends against possible damage from road debris and corrosion.
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Product Features:
- Includes all hardware needed for a complete repair (where applicable)
- Materials used in construction have been upgraded from steel and/or rubber to corrosion-resistant aluminum (where applicable)
- Direct replacement for ease of installation
- Rigorous quality control measures have been undertaken to ensure that this part conforms to product standards
Dorman – Transmission Oil Cooler Line: Exact Fit, Metal/Rubber (Part No.624-118)
from
$38.99
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:
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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
Dorman – Transmission Oil Cooler Line: Exact Fit, Metal/Rubber (Part No.624-626)
from
$139.99
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:
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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
Dorman – Transmission Oil Cooler Line: Exact Fit, Metal/Rubber (Part No.624-745)
from
$84.99
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:
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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
Dorman – Transmission Oil Cooler Line: Exact Fit, Metal/Rubber (Part No.625-199)
from
$45.49
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:
See More
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
Dorman – Transmission Oil Cooler Line: Exact Fit, Metal/Rubber (Part No.624-158)
from
$51.99
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:
See More
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
Dorman – AT Oil Cooler Hose A (Part No.J2068751128DOR)
from
$33.78
AT Oil Cooler Hose A
Dorman – Transmission Oil Cooler Line: Exact Fit, Metal/Rubber (Part No.624-435)
from
$106.99
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:
See More
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
Dorman – Transmission Oil Cooler Line: Exact Fit, Metal/Rubber (Part No.624-434)
from
$73.99
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:
See More
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
Popular 2003 GMC Sierra 2500 HD Transmission Cooler and Parts Categories
2003 GMC Sierra 2500 HD Transmission Cooler and Parts
Maybe you’re in the middle of a full rebuild of that 2003 GMC Sierra 2500 HD. Maybe you just need a couple of Transmission Cooler and Parts. Either way, Advance Auto Parts has 27 different Transmission Cooler and Parts in our inventory ranging from $31.99 to $354.99. That means you can find the exact parts or products you need to keep that 2003 GMC Sierra 2500 HD running smoothly.
Transmission Cooler and Parts are only as good as their brand. We stock 6 different brands to make sure you have plenty of trusted parts to choose from for your 2003 GMC Sierra 2500 HD. Imperial, Dorman, and Genera are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!
We know you’ll find the perfect Transmission Cooler and Parts for your 2003 GMC Sierra 2500 HD, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 1,564 reviews in this category, some of the top rated parts include Plate and Fin Style Trans Cooler 3/4" x 9-1/2" x 11" Heavy Duty with 4.5 stars and Maxi-Kool® XL Transmission Oil Cooler with 5.0 stars.
So if you’re in the market for aftermarket Transmission Cooler and Parts to keep your 2003 GMC Sierra 2500 HD rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!
Transmission Cooler and Parts Brands To Make Your 2003 GMC Sierra 2500 HD Last
Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 GMC Sierra 2500 HD demands trusted brand parts and products to keep it running. Many trusted brands of Transmission Cooler and Parts make up Advance Auto Parts’ inventory, and all are ready to help make your Sierra 2500 HD the best it can be. Be sure to browse some of our top Transmission Cooler and Parts brands and parts.
Popular Dorman Transmission Cooler and Parts
We carry Dorman parts in our stock across Transmission Oil Cooler Lines and OE Transmission Coolers categories, plus more. For a 2003 GMC Sierra 2500 HD, our most popular Dorman Transmission Cooler and Parts include:
Top 2003 GMC Sierra 2500 HD Transmission Cooler and Parts from Imperial
Imperial products are another trusted brand when it comes to Transmission Cooler and Parts for your 2003 GMC Sierra 2500 HD. Popular Imperial parts include:
FAQs for 2003 GMC Sierra 2500 HD Transmission Cooler and Parts
What are the most purchased Transmission Cooler and Parts for the 2003 GMC Sierra 2500 HD?
Out of 27 Transmission Cooler and Parts for the 2003 GMC Sierra 2500 HD, the most popular in our inventory are:
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$33.49
(11)
Transmission Oil Cooler Line: Exact Fit, Metal/Rubber
Transmission Oil Cooler Lines
What are the top-rated 2003 GMC Sierra 2500 HD Transmission Cooler and Parts?
Top-rated Transmission Cooler and Parts for your 2003 GMC Sierra 2500 HD based on customer reviews/ratings are:
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$80.99
(8)
Plate and Fin Style Trans Cooler 3/4" x 9-1/2" x 11" Heavy Duty
“Used this cooler to replace the missing factory one on my Polaris 330 ATV. Made an adapter plate to fit to the fan housing. Works great, beats the $30”
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$73.99
(7)
Maxi-Kool® XL Transmission Oil Cooler
“this transmission oil cooler is replacing my one on my 2000 dodge dakota its priced right mid size and easy to put in the ome one is 250 this is 60 an”
