Precision Engine Parts to Extend the Life of Your Diesel Truck
When it comes to maintaining heavy duty diesel trucks, quality diesel engine parts aren't optional—they're essential. Whether you're managing a single rig or an entire fleet, using exact-match replacement engine parts helps prevent breakdowns, improve fuel efficiency, and extend engine lifespan. Backed by trusted manufacturers such as PAI Industries, this list features OEM replacement parts for brands like Cummins, Detroit Diesel, Caterpillar, Paccar, International, Volvo, and Freightliner.Technical Guidance
Matching the precise OEM number is key to fit and performance. Gaskets and seals preserve compression and fluid control; injectors and fuel pumps stabilize combustion; sensors provide accurate timing and protection; and rotating parts like crankshafts and rods require correct clearances with fresh bearings. During service, check wear limits, surface flatness, and torque sequences, and replace heat-stressed items on schedule to protect uptime. Using the right heavy duty engine parts ensures maximum reliability on the road.Heavy Duty Diesel Parts by OEM Number
- Cummins ISB 4326869 NOx Sensor
- Cummins ISB QSB 4943979 Connecting Rod Fractured Rod
- Freightliner Kenworth Peterbilt 2505496C91 Kingpin Kit
- Detroit Diesel DD15 A4720310701 Crankshaft Reman
- Paccar Peterbilt Reservoir Washer N5355001
- Mack Volvo D12 276930 Exhaust Gasket Kit
- Cummins 2882148 EGR Cooler Gasket
- Cummins ISB6 QSB Pump Lube 4935792
- Cummins ISB6 QSB Pump Lubew Helical Drive Gear 4935792
- Cummins ISB QSB 3943626 Valve Yoke Pack2
- Detroit Diesel DD15 A4721400209 Front Rear Exhaust Manifold
- Freightliner Columbia A06-75737-005 Right Hand Headlamp
- Caterpillar C10-C11-C12-C13 Fuel Supply Pump 3848611
- Caterpillar C15 ACERT 3370201 Crankshaft Assembly
- Cummins ISX Exhaust Manifold with 4386606 and 4386579
- Navistar International DT466/530 4097728C91 Level Sensor
- Detroit Diesel Series 60 23522279 Oil Pan Gasket
- Cummins QSK19 4089717 Kit Lower Gasket
- Volvo D13 Mack MP8 21371672 Fuel Injector
- Detroit Diesel Series 60 23518348 Oil Dipstick
- Mack Volvo 20513037 Cylinder Head Gasket
- International 1833028C1 Cylinder Head Gasket
- Cummins ISB 4921601 Crankshaft Position Sensor Kit
- Mack Volvo 22777560 Spacer Gasket
- Cummins ISX 4376219 Valve Stem Seal and Lock Kit
- Paccar Peterbilt PS2216151116 Power Steering Pump
- Cummins K 2888747 Oil Pan Adapter Gasket Metal
- Caterpillar C12 Lower Gasket Set 2527955
- Detroit Diesel DD13 A4711508333 Fuel Injector Wire Harness
- Caterpillar 3406E-C15-CL6-C18 Fuel Check Valve 2812725
- International 1841938C1 Seal Rear
- Paccar MX-13 1935137PE Piston Ring Set
FAQs
Q: How do I make sure a part will fit my engine?A: Match the full OEM number—including hyphens—and confirm the engine family and build year before ordering. Q: Which parts most affect fuel economy?
A: Properly functioning injectors, turbo, sensors, and sealed manifolds have the biggest impact on combustion efficiency. Choosing the right truck engine parts is key to performance. Q: When should I replace gaskets and seals?
A: Any sign of leaks, low compression, oil contamination, or after major heat cycles during an overhaul. Q: Are reman or aftermarket parts a safe choice?
A: Yes—when they meet OEM specs and come from proven suppliers. High-quality aftermarket truck parts provide strong performance and value.
