Semi Truck Engine

Cloyes® - Engine Timing Set (9-3159AZ)
0
# mpn4686030075
Engine Timing Set (9-3159AZ) by Cloyes®. Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems. No matter whether you need a timing gear or complete timing gear set, Cloyes has the OE...
Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing
$247.48
In Stock - Ships within 24 hrs
Cloyes® - Engine Timing Set (9-3659X3Z)
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# mpn4686030057
Engine Timing Set (9-3659X3Z) by Cloyes®. Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems. No matter whether you need a timing gear or complete timing gear set, Cloyes has the OE...
Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing
$206.67
In Stock - Ships within 24 hrs
Cloyes® - Engine Timing Set (9-3510WX9)
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# mpn4555775671
Engine Timing Set (9-3510WX9) by Cloyes®. Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems. No matter whether you need a timing gear or complete timing gear set, Cloyes has the OE...
Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing
$109.50
In Stock - Ships within 24 hrs
Cloyes® - Engine Timing Set (9-3610TX9Z)
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# mpn4255106400
Engine Timing Set with "Z" Chain (9-3610TX9Z) by Cloyes®. Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems. No matter whether you need a timing gear or complete timing gear set,...
Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing
$270.04
In Stock - Ships within 24 hrs
Cloyes® - Engine Timing Set (C-3029)
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# mpn1426587906
Engine Timing Set (C-3029) by Cloyes®. Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems. No matter whether you need a timing gear or complete timing gear set, Cloyes has the OE...
Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing
$57.35
In Stock - Ships within 24 hrs
Cloyes® - Engine Timing Set (C-3029X)
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# mpn1754010
Engine Timing Set (C-3029X) by Cloyes®. Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems. No matter whether you need a timing gear or complete timing gear set, Cloyes has the OE...
Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing
$61.43
In Stock - Ships within 24 hrs
Cloyes® - Engine Timing Set (C-3021K)
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# mpn1754009
Engine Timing Set (C-3021K) by Cloyes®. Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems. No matter whether you need a timing gear or complete timing gear set, Cloyes has the OE...
Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing
$23.32
In Stock - Ships within 24 hrs
Cloyes® - Engine Timing Set (9-3608X9)
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# mpn1753990
Engine Timing Set (9-3608X9) by Cloyes®. Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems. No matter whether you need a timing gear or complete timing gear set, Cloyes has the OE...
Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing
$173.50
In Stock - Ships within 24 hrs
Cloyes® - Engine Timing Set (9-3508X9)
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# mpn1753989
Engine Timing Set (9-3508X9) by Cloyes®. Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems. No matter whether you need a timing gear or complete timing gear set, Cloyes has the OE...
Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing
$94.05
In Stock - Ships within 24 hrs
Cloyes® - Engine Timing Set (C-3010K)
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# mpn1749891
Engine Timing Set (C-3010K) by Cloyes®. Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems. No matter whether you need a timing gear or complete timing gear set, Cloyes has the OE...
Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing
$28.40
In Stock - Ships within 24 hrs
Cloyes® - Engine Timing Set (9-3110)
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# mpn1740895
Engine Timing Set (9-3110) by Cloyes®. Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems. No matter whether you need a timing gear or complete timing gear set, Cloyes has the OE...
Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing
$139.05
In Stock - Ships within 24 hrs
Cloyes® - Engine Timing Set (9-1110)
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# mpn1740889
Engine Timing Set (9-1110) by Cloyes®. Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems. No matter whether you need a timing gear or complete timing gear set, Cloyes has the OE...
Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing
$45.31
In Stock - Ships within 24 hrs
Cloyes® - Engine Timing Set (9-3610TX9)
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# mpn1720230
Engine Timing Set (9-3610TX9) by Cloyes®. Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems. No matter whether you need a timing gear or complete timing gear set, Cloyes has the OE...
Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing
$173.50
In Stock - Ships within 24 hrs
Cloyes® - Engine Timing Set (C-3207)
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# mpn1713172
Engine Timing Set (C-3207) by Cloyes®. Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems. No matter whether you need a timing gear or complete timing gear set, Cloyes has the OE...
Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing
$46.22
In Stock - Ships within 24 hrs
Cloyes® - Engine Timing Set (C-3079)
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# mpn1713161
Engine Timing Set by Cloyes®. Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems. No matter whether you need a timing gear or complete timing gear set, Cloyes has the OE quality parts...
Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing
$39.31
In Stock - Ships within 24 hrs
Cloyes® - Engine Timing Set (C-3024X)
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# mpn1713146
Engine Timing Set (C-3024X) by Cloyes®. Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems. No matter whether you need a timing gear or complete timing gear set, Cloyes has the OE...
Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing
$38.61
In Stock - Ships within 24 hrs
Cloyes® - Engine Timing Set (9-3110A)
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# mpn1713137
Engine Timing Set (9-3110A) by Cloyes®. Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems. No matter whether you need a timing gear or complete timing gear set, Cloyes has the OE...
Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing
$254.14
In Stock - Ships within 24 hrs
Cloyes® - Engine Timing Set (C-3227)
0
# mpn1709815
Engine Timing Set (C-3227) by Cloyes®. Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems. No matter whether you need a timing gear or complete timing gear set, Cloyes has the OE...
Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing
$54.29
In Stock - Ships within 24 hrs
Cloyes® - Engine Timing Set (C-3222)
0
# mpn1709814
Engine Timing Set (C-3222) by Cloyes®. Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems. No matter whether you need a timing gear or complete timing gear set, Cloyes has the OE...
Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing
$44.54
In Stock - Ships within 24 hrs
Cloyes® - Engine Timing Set (C-3220)
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# mpn1709812
Engine Timing Set (C-3220) by Cloyes®. Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems. No matter whether you need a timing gear or complete timing gear set, Cloyes has the OE...
Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing
$35.01
In Stock - Ships within 24 hrs
Cloyes® - Engine Timing Set (C-3219)
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# mpn1709811
Engine Timing Set (C-3219) by Cloyes®. Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems. No matter whether you need a timing gear or complete timing gear set, Cloyes has the OE...
Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing
$37.11
In Stock - Ships within 24 hrs
Cloyes® - Engine Timing Set (C-3217)
0
# mpn1709810
Engine Timing Set (C-3217) by Cloyes®. Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems. No matter whether you need a timing gear or complete timing gear set, Cloyes has the OE...
Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing
$79.98
In Stock - Ships within 24 hrs
Cloyes® - Engine Timing Set (C-3216)
0
# mpn1709809
Engine Timing Set (C-3216) by Cloyes®. Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems. No matter whether you need a timing gear or complete timing gear set, Cloyes has the OE...
Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing
$61.13
In Stock - Ships within 24 hrs
Cloyes® - Engine Timing Set (C-3210)
0
# mpn1709805
Engine Timing Set (C-3210) by Cloyes®. Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems. No matter whether you need a timing gear or complete timing gear set, Cloyes has the OE...
Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing
$56.80
In Stock - Ships within 24 hrs
Cloyes® - Engine Timing Set (9-3510TX9)
0
# mpn1674416
Engine Timing Set (9-3510TX9) by Cloyes®. Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems. No matter whether you need a timing gear or complete timing gear set, Cloyes has the OE...
Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing
$108.39
In Stock - Ships within 24 hrs
Cloyes® - Hydraulic and Spring Type Timing Chain Tensioner (9-5338)
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# mpn1751651
Hydraulic and Spring Type Timing Chain Tensioner (9-5338) by Cloyes®. A timing chain tensioner maintains appropriate tension in the timing chain system. Depending on the OE design, tensioners can use spring tension and/or hydraulic...
Cloyes utilizes the latest in design and material technology, ensuring a quiet and maintenance-free experienceAll Cloyes timing chain tensioners meet or exceed OEM performance requirements
$38.22
In Stock - Ships within 24 hrs
Cloyes® - Nylon and Steel Timing Chain Tensioner (9-5432)
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# mpn1753998
Nylon and Steel Timing Chain Tensioner (9-5432) by Cloyes®. A timing chain tensioner maintains appropriate tension in the timing chain system. Depending on the OE design, tensioners can use spring tension and/or hydraulic pressure to...
Cloyes utilizes the latest in design and material technology, ensuring a quiet and maintenance-free experienceAll Cloyes timing chain tensioners meet or exceed OEM performance requirements
$31.67
In Stock - Ships within 24 hrs
Cloyes® - OE Heavy Duty Engine Timing Set (C-3028)
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# mpn1713148
OE Heavy Duty Engine Timing Set (C-3028) by Cloyes®. Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems. No matter whether you need a timing gear or complete timing gear set, Cloyes has...
Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing
$28.97
In Stock - Ships within 24 hrs
Cloyes® - OE Single Row Engine Timing Set (9-3149A)
0
# mpn5092084664
OE Single Row Engine Timing Set with Single Rollers (9-3149A) by Cloyes®. Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems. No matter whether you need a timing gear or complete timing...
Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing
$256.93
In Stock - Ships within 24 hrs
Cloyes® - OE Single Row Engine Timing Set (C-3092)
0
# mpn1713167
OE Single Row Engine Timing Set (C-3092) by Cloyes®. Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems. No matter whether you need a timing gear or complete timing gear set, Cloyes has...
Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing
$54.46
In Stock - Ships within 24 hrs

To travel long distances while pulling a trailer that can weigh close to 80,000 lbs, your big rig needs an extremely powerful and reliable engine. Since the reliability of any system is determined by its weakest link, each and every replacement engine part you purchase should be of the highest quality. To cover your needs for best-in-class semi truck replacement engine parts, we have gathered them on our digital shelves. Regardless of the product you are looking for, whether it is a set of piston rings or a replacement engine head, we have the right option at an affordable price.

The engine of your semi truck must produce enough horsepower and torque to be able to move huge loads across the country day in and day out. Each year, you may cover up to 50,000 miles in your big rig or even more. It means that sooner or later some components and systems of your engine will require maintenance or repair. On the digital shelves of our online store, you can find a huge assortment of parts, rebuild kits, and complete semi truck engine assemblies that you may need to keep your machine on the road hauling cargo and making you money.

Since semi trucks need a lot of torque on low RPMs to be able to pull heavy loads with decent fuel mileage, almost all big rigs today run on diesel. You can increase the output of your powerplant significantly by adding a turbocharger or supercharger. Such a unit pumps more air into the engine thus allowing for adding more fuel to the mixture. The difference is that a turbocharger is actuated by a turbine propelled by the exhaust gases flow, hence the name, while a supercharger uses the engine power receiving it from the crankshaft through the pulley system.

Intercoolers are designed for further improvement of turbocharged and supercharged engine efficiency by cooling down intake air thus increasing its charge density. Increased airflow improves combustion, increases horsepower and torque. In our store, you can find a huge assortment of aftermarket intercoolers and all required hoses, clamps, and couplings. We offer a wide variety of top-notch engine blocks, including bare blocks, expansion plug kits, engine block heaters, and other related parts. Browse our extensive catalogs of crankshafts, camshafts, valvetrain parts, and more to find all of the needed components, such as seals, gaskets, and bearings.

All semi trucks work much harder than other types of vehicles which means they are subject to accelerated wear and tear and must be maintained properly to serve you for many years to come. The problems with your semi truck’s engine can have severe consequences. Too much smoke coming out of the exhaust pipes, reduced oil pressure, or loss of power are all signs of engine malfunctions. It is essential to carry out regular engine compression tests and provide timely maintenance to avoid more expensive repairs. Don’t forget to change the oil regularly to prolong the service life of your engine and reduce the chance of failure.