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Description
Holset 4033666H New Super 40 Performance Turbo Charger 94-02 Dodge 5.9L CumminsOne of the biggest limitations to building power in the 2nd Gen Cummins especially is airflow. Due to mechanical fuel injection, these trucks typically experience higher EGT's when additional fueling is applied compared to other applications. So what's the fix? Upgrade your turbo, and the Super 40 has been a staple for these trucks over the years. For those trucks with 450+ horsepower, or looking to be at least, the Super HX40 is a great complement to
One of the biggest limitations to building power in the 2nd Gen Cummins especially is airflow. Due to mechanical fuel injection, these trucks typically experience higher EGT's when additional fueling is applied compared to other applications. So what's the fix? Upgrade your turbo, and the Super 40 has been a staple for these trucks over the years.For those trucks with 450+ horsepower, or looking to be at least, the Super HX40 is a great complement to the necessary fueling it takes to achieve this power level. By upgrading from the original 9 or 12 cm exhaust housing (depending on whether you have an HX35 or HY35 turbo) to a 16 cm housing and featuring a larger compressor housing, the Super 40 can flow over 850 CFM of airflow through your Cummins engine to keep it cool and boost pressure up.
IMPORTANT NOTE:
- Installation of this turbo will require an HX40 downpipe (not included).
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4.1 ★★★★★
Based on 27 reviews
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Product Reviews
★★★★★ 5
It is good value, and functional
Style: 4-Speaker
Great value and worked flawlessly
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 24, 2026
★★★★★ 5
Heavy-Duty 4 AWG Cable With Flexible Insulation
Size: 10ft, Color: 4awg
I am satisfied with this 4 AWG cable. The insulation coating is soft, and the cable itself is very pliable, making it easy to bend and route into the configuration needed for installation. Despite the flexibility, it still feels like a heavy-duty cable designed to handle demanding applications.
I am using this cable to provide the necessary amperage to start the generator on my trailer, and it performs as expected. I also like that the wire gauge and cable properties are clearly printed along the side of the insulation, making identification easy during installation or future maintenance.
The cable arrived in good condition with no obvious odor from the insulation or packaging. Overall, this appears to be a quality heavy-duty cable that is flexible, easy to work with, and suitable for high-current applications.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 8, 2026
★★★★★ 5
True copper battery cables that are high quality
Size: 10ft, Color: 4awg
I love having heavy duty cable on hand for my cars. It's so nice to be able to make your own starter and alternator cables when restoring cars.
These cables are 100% copper, not CCA (copper clad aluminum) like many others are. Copper is far superior for conductivity and handling higher loads.
The rubber on the cable is thick and yet very flexible..it's clearly marked and seems very durable. I like to use a hydraulic crimping tool and then add marine grade heat shrink tubing with the adhesive inside of it to keep it as weatherproof as possible.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026
★★★★★ 5
Heavy-Duty 4 AWG Cable With Flexible Insulation
Size: 10ft, Color: 4awg
I am satisfied with this 4 AWG cable. The insulation coating is soft, and the cable itself is very pliable, making it easy to bend and route into the configuration needed for installation. Despite the flexibility, it still feels like a heavy-duty cable designed to handle demanding applications.
I am using this cable to provide the necessary amperage to start the generator on my trailer, and it performs as expected. I also like that the wire gauge and cable properties are clearly printed along the side of the insulation, making identification easy during installation or future maintenance.
The cable arrived in good condition with no obvious odor from the insulation or packaging. Overall, this appears to be a quality heavy-duty cable that is flexible, easy to work with, and suitable for high-current applications.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 8, 2026
★★★★★ 5
True copper battery cables that are high quality
Size: 10ft, Color: 4awg
I love having heavy duty cable on hand for my cars. It's so nice to be able to make your own starter and alternator cables when restoring cars.
These cables are 100% copper, not CCA (copper clad aluminum) like many others are. Copper is far superior for conductivity and handling higher loads.
The rubber on the cable is thick and yet very flexible..it's clearly marked and seems very durable. I like to use a hydraulic crimping tool and then add marine grade heat shrink tubing with the adhesive inside of it to keep it as weatherproof as possible.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026