2003 Isuzu NPR-HD Transmission Parts

Essential 2003 Isuzu NPR-HD Transmission Parts

Dorman – HD Solutions – Gearshift Control Cable Assembly (Part No.924-7005)

Gearshift Control Cable Assembly

from

$312.99
Manufactured from durable materials, this manual transmission shift linkage bushing matches the fit and function of the original bushing.

Product Features:
  • Direct replacement – this manual transmission shift linkage bushing matches the fit and function of the original part
  • Ideal solution – designed and manufactured to ensure a seamless installation
  • Durable construction – manufactured from quality materials for reliable service
  • Trustworthy design – backed by a company with more than 100 years of automotive aftermarket experience
See More

Dorman – HD Solutions – Gearshift Control Cable Assembly (Part No.924-7003)

Gearshift Control Cable Assembly

from

$318.99
Manufactured from durable materials, this manual transmission shift linkage bushing matches the fit and function of the original bushing.

Product Features:
  • Direct replacement – this manual transmission shift linkage bushing matches the fit and function of the original part
  • Ideal solution – designed and manufactured to ensure a seamless installation
  • Durable construction – manufactured from quality materials for reliable service
  • Trustworthy design – backed by a company with more than 100 years of automotive aftermarket experience
See More

Dorman – HD Solutions – Gearshift Control Cable Assembly (Part No.924-7002)

Gearshift Control Cable Assembly

from

$272.99
Manufactured from durable materials, this manual transmission shift linkage bushing matches the fit and function of the original bushing.

Product Features:
  • Direct replacement – this manual transmission shift linkage bushing matches the fit and function of the original part
  • Ideal solution – designed and manufactured to ensure a seamless installation
  • Durable construction – manufactured from quality materials for reliable service
  • Trustworthy design – backed by a company with more than 100 years of automotive aftermarket experience
See More

Dorman – Transmission Oil Pan: Direct Fit, Steel, 13.5 Quart (Part No.265-810)

Transmission Oil Pan: Direct Fit, Steel, 13.5 Quart

from

$79.99
This replacement transmission oil pan is a direct replacement for a damaged original equipment transmission pan. Made of quality materials, it’s designed for reliable, leak-free service.

Product Features:
  • Ideal replacement – this transmission oil pan matches the fit and function of the original pan for a trouble-free replacement
  • Durable construction – this transmission oil pan is made of quality materials for durability and leak-free performance
  • Cost-effective solution – offers original equipment performance at competitive price
  • Quality tested – this part has undergone try-on testing to ensure a quality fit
See More

National – Bearings (Part No.32207)

Bearings

from

$34.99
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
  • Matched cup and cone components ensures consistent quality and outstanding performance
  • Industry leading coverage
  • Professional technicians know they can depend on National
See More

Dorman – Drain Plug – M12-1.75 Pilot Point (Part No.65416)

Drain Plug - M12-1.75 Pilot Point

from

$9.49
This drain plug is designed to match the dimensions and function of the original plug on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this drain plug matches the dimensions and function of the factory hardware on specified vehicle years, makes and models
  • Ideal solution – this drain plug is a reliable replacement for an original part that is damaged or lost during service
  • Durable construction – this part is made from quality materials to ensure reliable performance and a long service life
  • Quality assured – backed by a team of product experts in the United States and more than a century of automotive experience
See More

Dorman – Transmission Line Connector With 3/8 Tube X 1/4-18 In. Thread (Part No.800-604)

Transmission Line Connector With 3/8 Tube X 1/4-18 In. Thread

from

$8.99
Made of quality materials, this automatic transmission oil cooler line connector matches the fit and function of a damaged original equipment connector to restore leak-free performance between the transmission and the oil cooler.

Product Features:
  • Quality replacement – this transmission cooler connector matches the fit and function of the original equipment connector
  • Durable construction – this oil cooler line connector is made of quality materials for a precise fit and leak-free durability
  • Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
  • Ideal shop supply – this connector is recommended to have on hand any time service is being performed on the transmission oil cooler line
See More

Imperial – Transmission Fitting Kit (Part No.240397)

Transmission Fitting Kit

from

$27.49
Product Features:
  • Transmission line fitting kit
  • GM snap-in-style lines
  • Helps simplify transmission cooler installation
  • Allows for auxiliary transmission cooler installation without cutting OE lines
  • Crafted from high-quality material that makes it durable and longer-lasting
  • A high quality, direct fit OE replacement
  • Easily connects the transmission cooler line to the cooler hose
  • Precision machined
See More

Spartan – Automatic Transmission Assembly; GM RWD 4L80E 4-Spd (Part No.1662A-81)

Automatic Transmission Assembly; GM RWD 4L80E 4-Spd

from

$2458.00
Our remanufactured transmissions have improved torque converters included with every transmission to eliminate the possibility of front seal leaks, vibration or premature bushing wear, All torque converters are tested for leaks, lock-up, concentricity & balance. Every fully remanufactured valve body, with complete system correction & recalibration kit, is tested independently & includes updated throttle valve, manual valve, 4-spool switch valve, pressure regulator valve & governor plugs for improved shifting, lubrication & performance. All wear-prone valves are restored to stringent specifications & vacuum tested to confirm proper function. Each remanufactured transmission is hot, cold, load & simulated road testing. All remanufactured transmissions are backed by the industry’s best, no-hassle nationwide warranty.

Product Features:
  • Our Remanufactured Transmissions include torque convertors, trans is completely disassembled & checked then reassembled to spec for tolerances, vacuum, seal & balance, all wear parts replaced & sim tested.
  • If we have important installation information it will be included on tags or in the paperwork packaged with your transmission.
  • Transmissions are securely packaged in a recyclable container that will also protect your core on the return trip. Our nationwide warehouse network means speedy delivery.
  • All of our transmissions are Dyno tested to ensure the highest standard of trouble free service and longevity.
See More

Spartan – Automatic Transmission Assembly; GM RWD 4L80E 4-Spd (Part No.1661B-81)

Automatic Transmission Assembly; GM RWD 4L80E 4-Spd

from

$2399.00
Our remanufactured transmissions have improved torque converters included with every transmission to eliminate the possibility of front seal leaks, vibration or premature bushing wear, All torque converters are tested for leaks, lock-up, concentricity & balance. Every fully remanufactured valve body, with complete system correction & recalibration kit, is tested independently & includes updated throttle valve, manual valve, 4-spool switch valve, pressure regulator valve & governor plugs for improved shifting, lubrication & performance. All wear-prone valves are restored to stringent specifications & vacuum tested to confirm proper function. Each remanufactured transmission is hot, cold, load & simulated road testing. All remanufactured transmissions are backed by the industry’s best, no-hassle nationwide warranty.

Product Features:
  • Our Remanufactured Transmissions include torque convertors, trans is completely disassembled & checked then reassembled to spec for tolerances, vacuum, seal & balance, all wear parts replaced & sim tested.
  • If we have important installation information it will be included on tags or in the paperwork packaged with your transmission.
  • Transmissions are securely packaged in a recyclable container that will also protect your core on the return trip. Our nationwide warehouse network means speedy delivery.
  • All of our transmissions are Dyno tested to ensure the highest standard of trouble free service and longevity.
See More

Imperial – High Performance Transmission Oil Cooler (Part No.240512)

High Performance Transmission Oil Cooler

from

$67.99
Product Features:
  • Imperial high-performance transmission cooler
  • Size: 3/4″ x 7-1/2″ x 12-1/2″
  • SAE 45-degree fittings for maximum reliability
  • Electrostatic powder-coated to prevent corrosion
  • SAE 45 degree fittings for maximum reliability
  • Electrostatically powder coated to prevent corrosion
  • All aluminum lightweight construction
See More

Imperial – Maxi-Kool® XL Transmission Oil Cooler (Part No.243012)

Maxi-Kool® XL Transmission Oil Cooler

from

$81.99
Product Features:
  • Class “A” motor homes, large travel trailers, 5th-wheel trailers
  • GVWR up to 30,000 lbs.; towing up to 10,000 lbs.
See More

Imperial – Econo-Kool® Transmission Oil Cooler (Part No.242012)

Econo-Kool® Transmission Oil Cooler

from

$52.99
Product Features:
  • Mid-size and full-size cars, pickups
  • GVWR up to 18,000 lbs.; towing up to 3,500 lbs
  • Compatible with OEM cooler systems
  • Ultrasonically soldered for reliability
  • 100% pressure testing to 150 PSI for quality assurance
  • High efficiency turbulators
See More

Imperial – Econo-Kool® Transmission Oil Cooler (Part No.241018)

Econo-Kool® Transmission Oil Cooler

from

$65.99
Product Features:
  • 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
See More

Imperial – High Performance Transmission Oil Cooler (Part No.240514)

High Performance Transmission Oil Cooler

from

$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.

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
See More

Imperial – Econo-Kool® Transmission Oil Cooler (Part No.242010)

Econo-Kool® Transmission Oil Cooler

from

$54.99
Product Features:
  • 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
See More

Imperial – Plate and Fin Style Trans Cooler 3/4" x 9-1/2" x 11" Heavy Duty (Part No.243008)

Plate and Fin Style Trans Cooler 3/4" x 9-1/2" x 11" Heavy Duty

from

$80.99
Product Features:
  • Imperial Rapid-Cool« plate and fin transmission cooler
  • Size: 3/4″ x 11″ x 9-1/2″
  • Pickup trucks and vans, class “C” motor homes, travel trailers to 24′
  • GVWR up to 24,000 lbs.; towing up to 5,000 lbs.
  • 33% more efficient than a comparable tube and fin design
See More

Imperial – High Performance Transmission Oil Cooler (Part No.240516)

High Performance Transmission Oil Cooler

from

$85.99
Product Features:
  • Imperial high-performance transmission cooler
  • Size: 3/4″ x 10″ x 15-7/8″
  • SAE 45-degree fittings for maximum reliability
  • Electrostatic powder-coated to prevent corrosion
  • SAE 45 degree fittings for maximum reliability
  • Electrostatically powder coated to prevent corrosion
  • All aluminum lightweight construction
See More

Imperial – Transmission Oil Cooler (Part No.241015)

Transmission Oil Cooler

from

$145.99
Oil cooler 1-1/2″ x 12″ x 15-1/8″. Extra heavy-duty. Designed for severe-duty transmission oil cooling applications.

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.
See More

Imperial – Maxi-Kool® XL Transmission Oil Cooler (Part No.243007)

Maxi-Kool® XL Transmission Oil Cooler

from

$73.99
The Imperial Maxi-Cool® XL’s plate and fin design offer excellent cooling efficiency in a compact, space-efficient design.

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.
See More

Imperial – Econo-Kool® Transmission Oil Cooler (Part No.242009)

Econo-Kool® Transmission Oil Cooler

from

$39.99
Product Features:
  • Imperial Econo-Kool« tube and fin transmission cooler
  • Size: 3/4″ x 5″ x 12-1/2″
  • Sub-compact to compact cars
  • GVWR up to 12,000 lbs.
  • Compatible with OEM cooler systems
  • Ultrasonically soldered for reliability
  • 100% pressure testing to 150 PSI for quality assurance
  • High efficiency turbulators
See More

Imperial – Econo-Kool® Transmission Oil Cooler (Part No.242016)

Econo-Kool® Transmission Oil Cooler

from

$65.99
Product Features:
  • 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
See More

2003 Isuzu NPR-HD Transmission Parts

You count on your 2003 Isuzu NPR-HD to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Transmission Parts. With 16 Transmission Parts ranging in price from $8.99 to $2,399.00, you’re sure to find everything you need for your 2003 Isuzu NPR-HD.

Brands matter. If you want to shop a specific Transmission Parts brand, we stock 4 different brands like Imperial, Dorman, and National. 2003 Isuzu NPR-HD Transmission Parts start as low as $8.99!

One of the best ways to find top quality OEM or aftermarket Transmission Parts is by asking professionals. Short of that, you can shop with confidence thanks to our 126 extensive product reviews on 2003 Isuzu NPR-HD Transmission Parts. Some of the top-rated Transmission Parts products we carry are Econo-Kool® Transmission Oil Cooler with 4.3 stars and Transmission Oil Pan: Direct Fit, Steel, 13.5 Quart with 3.0 stars.

Did we mention you can order your Transmission Parts from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Transmission Parts inventory for your 2003 Isuzu NPR-HD below to get started!

Top-Rated Transmission Parts Brands For Your 2003 Isuzu NPR-HD

Trusted Transmission Parts OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2003 Isuzu NPR-HD running right for years to come. In our inventory you’ll find brands like Imperial, Dorman, National, and even more.

Popular Imperial Transmission Parts

You’ll find popular Imperial brand products across Transmission Connectors and Transmission Cooler and Parts. All are waiting to get your 2003 Isuzu NPR-HD back on the road. Some of the top-rated Imperial products in these categories are:
Transmission Fitting Kit
from $27.49
(2)
Transmission Fitting Kit
Automatic Transmission Line Connectors
Maxi-Kool® XL Transmission Oil Cooler
from $73.99
(7)
Maxi-Kool® XL Transmission Oil Cooler
OE Transmission Coolers
High Performance Transmission Oil Cooler
from $85.99
(4)
High Performance Transmission Oil Cooler
OE Transmission Coolers

FAQs for 2003 Isuzu NPR-HD Transmission Parts

What are the most purchased Transmission Parts for the 2003 Isuzu NPR-HD?

Out of 16 Transmission Parts for the 2003 Isuzu NPR-HD, the most popular in our inventory are:
Transmission Line Connector With 3/8 Tube X 1/4-18 In. Thread
from $8.99
(9)
Transmission Line Connector With 3/8 Tube X 1/4-18 In. Thread
Automatic Transmission Line Connectors
Plate and Fin Style Trans Cooler 3/4" x 9-1/2" x 11" Heavy Duty
from $80.99
(8)
Plate and Fin Style Trans Cooler 3/4" x 9-1/2" x 11" Heavy Duty
OE Transmission Coolers
High Performance Transmission Oil Cooler
from $67.99
This product is not rated
High Performance Transmission Oil Cooler
OE Transmission Coolers

What are the top-rated 2003 Isuzu NPR-HD Transmission Parts?

Top-rated Transmission Parts for your 2003 Isuzu NPR-HD based on customer reviews/ratings are:
Econo-Kool® Transmission Oil Cooler
from $52.99
(4)
Econo-Kool® Transmission Oil Cooler
“I just like the additional cooling on all my vehicles for transmission to last longer. They aren’t getting any cheaper to overhaul!”
Transmission Oil Pan: Direct Fit, Steel, 13.5 Quart
from $79.99
(1)
Transmission Oil Pan: Direct Fit, Steel, 13.5 Quart
“Bought this pan as my old one was rough looking. Bolt dripped from the start, tried a rubber washer and it still leaked, bought an OEM bolt with rubbe”