The 6.7 Cummins engine saw significant changes in when it was introduced to replace the previous 5.9 24V engine. This is still considered the Cummins B-Series engine due to the same architecture being carried from , but the current version uses several technologies that weren’t even on the radar in the passenger diesel engine market only a few years before it came out.
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The new 6.7 Cummins engine featured new diesel parts technology like digital common-rail injection, variable geometry turbocharging, exhaust gas recirculation, a closed crankcase, lean-operation catalytic converters, and diesel particulate filters.
As this engine is quite modern, the diesel truck parts you’re likely to replace will either be upgrades or 6.7 Cummins parts that you want to replace proactively before they fail. As with many diesel engines, the aftermarket Cummins diesel parts are often better than factory parts.
This high-flow exhaust manifold falls under the category of 6.7 Cummins performance parts that you should consider to get more out of your truck. Testing shows that this aftermarket manifold outflows the factory exhaust manifold by nearly 50%, which improves overall performance.
The wall is designed extra thick to increase strength and eliminate warping and cracking. The merged runner design and matched ports also reduce the backpressure, which maximizes flow. By installing this upgrade, you’ll see shorter times for turbo spool-up and quicker throttle response.
You might consider replacing your rocker arm assembly if it’s showing signs of wear, or if you want to be proactive in upgrading before failure. A bad rocker arm usually presents with symptoms of reduced power or slow acceleration.
A rocker arm works to ensure that the valves open and close at the correct time, so failure typically causes performance issues. This replacement kit includes all the parts necessary to upgrade the entire assembly. This part is also available in a set of six.
A turbo speed sensor is critically important to accurately identify how fast the turbo is spinning and where the engine operates on the compressor map. A bad turbo speed sensor might cause transmission problems, erratic speedometer readings, and a lack of torque converter clutch application.
It may also trigger the check engine light and cause you to be unable to use cruise control. This turbo speed sensor by Spoologic fits the 6.7 Cummins engine made between and .
This transmission oil cooler by TrackTech fits the early models of the 6.7 Cummins engine from .5 to . Transmission coolers work like heat exchangers by circulating hot transmission fluid through the unit, cooling it down, and then cycling it back through the transmission.
If you tow a lot with your truck, this is one of those Dodge Cummins parts that can drastically improve the life of your transmission.
Instead of replacing your entire fan hub assembly, you might simply need to replace the fan pulley hub bearing. This part fits the 6.7 Cummins engine made between .5 and . If your hub bearing is going out, you might hear a roaring noise or vibration.
This is due to slop in the system as the bearing fails. A new hub bearing should fit snugly and eliminate noise and vibration.
This upgraded compressor 24V housing plus 63mm billet wheel kit fits the 6.7 Cummins engine made between .5 and . Featuring a larger inducer and exducer versus the factory part, this upgrade significantly enhances the airflow and compression inside your turbo. If you’re upgrading for more horsepower, this kit can support up to 600 horsepower.
This is one of the most important upgrades you can get for your .5 through Cummins engine as it greatly outperforms the stock compressor wheel. It corrects boost limits, improves performance at high boost levels, adds great turbo sound, lowers smoke, and eliminates compressor surge.
The most obvious symptom of a failing fuel rail pressure sensor is reduced fuel economy. If your truck suddenly seems to be using more fuel than usual, this sensor might have a problem. Other symptoms include hesitating, stalling while accelerating, or failing to start after initially cranking.
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This replacement sensor is a genuine OEM part and a perfect fit for 6.7 Cummins engines made between and .
If you’re planning to do a top-end rebuild, including the head gasket and studs, this kit is a comprehensive replacement that will increase the overall strength of your top end. TrackTech head studs are designed with the highest tensile strength in their class and are the proven choice for 6.7 Cummins engines made between .5 and .
As this is a major repair and rebuild, you may need additional items with this kit, including a thermostat, CCV filter, fuel filter, oil change kit, coolant change kit, and engine air filter.
If you have a 6.7 Cummins engine made between and , this intercooler boot kit will replace your stock system. Using strenuous testing in extreme heat and cold, this kit is designed to be stronger and outperform the stock system.
It should be the last CAC intercooler boot kit your truck will ever need. Strong enough to withstand 100 PSI of boost, this kit is also ideal for tuned trucks.
You can count on ProSource Diesel for a wide variety of diesel parts that fit the 6.7 Cummins engine, including repairs and upgrades.
Genuine Cummins Parts are backed by more than 100 years of engineering experience and significant investments in research, design and testing. They're made for peak compatibility in our engines and unmatched quality to ensure that your operation keeps running
Cummins Genuine Parts are built to exact specifications for our products, and made using materials and procedures that match our dependable products. This is why our parts are better than non-genuine parts.
There’s a genuine difference in the performance, reliability, durability and value of engine parts. That’s why it always pays to go with the best. The Genuine Cummins Parts that you buy from a Cummins distributor or authorized dealer are built to our exact standards, meeting or exceeding original specifications.
Genuine Cummins Parts come with our comprehensive parts warranty, ensuring financial protection and peace of mind that we are always here to support you.
The difference between a Genuine Cummins Part and a non-genuine part isn’t always easy to see. It can be something as small as a ring gap that’s a couple of millimeters too wide on a non-genuine part. In a Cummins engine, that small difference could result in less power, insufficient lubrication, poor fuel economy, premature wear and even catastrophic engine failure.
Competitive part manufacturers may try to reverse engineer Cummins parts and build something that will fit like an original part at a cheaper price. Using non-genuine parts which don't meet critical engineering design specifications can impact: Engine Performance, Fuel Economy, Reliability, Durability, Uptime, Warranty
The Cummins R&D team performed rigorous testing on non-genuine parts compared to Genuine Cummins K-Series parts. Out of the total 278* non-genuine parts tested, not a single component met Cummins specifications. Cummins engineers tested 106* non-genuine different QSK-Series part numbers from a recognized supplier and put them through the same rigorous test procedures that we use to manufacture our own Genuine Cummins parts.
Cummins tested 237 non-genuine components for 19L and above engines including pistons, rings, valves, cylinder liners, connecting rods and pins. In virtually every case, issues were identified which would have a negative impact on fuel economy, performance, blow-by, reliability and durability.
The right Holset turbocharger replacement means less downtime, better power performance and better fuel economy for years to come. Original Holset turbochargers and parts are built to meet or exceed your engine’s original specifications for performance, reliability and durability in a demanding environment.
Contact us to discuss your requirements of cummins spare parts. Our experienced sales team can help you identify the options that best suit your needs.