Name: Cummins B5.9G 5.9L Cng Engine Remanufactured Long Block For Sale
Brand: Cummins
SKU: REMAN-CUMMINS-B5.9G-101110
Price: 7900.00 USD
Availability: InStock
Rating: 4.8 (127 reviews)

Question 1

How much does a remanufactured Cummins B5.9G 5.9L engine cost for a 2007 Freightliner MT45?

Accepted Answer

A remanufactured Cummins B5.9G 5.9L engine typically costs 40-60% less than a brand new engine from the dealer, making it the most cost-effective option for your 2007 Freightliner MT45. The exact price depends on the specific configuration, condition of your core return, and current availability. For an accurate, no-obligation quote on a Cummins B5.9G remanufactured long block for your 2007 Freightliner MT45, call our engine specialists at (631) 991-7700 or request a quote online. We offer competitive pricing and fast delivery.

Question 2

What is included in a remanufactured Cummins B5.9G long block engine?

Accepted Answer

A remanufactured Cummins B5.9G long block includes the engine block, new pistons and rings, reground crankshaft, new bearings, camshaft, reconditioned cylinder head(s), timing components, new oil pump, and complete gasket set. Specifically, our Cummins B5.9G 5.9L long block comes with: precision-reground crankshaft with new main and rod bearings, new or reground camshaft, cylinder head(s) that are resurfaced and pressure tested, new timing chain or belt with gears and tensioners, new lifters, new valve seals, new front and rear main seals, and new freeze plugs. Every component meets or exceeds OEM specifications.

Question 3

What are the most common problems with the Cummins B5.9G 5.9L engine?

Accepted Answer

The most common Cummins B5.9G 5.9L engine problems are egr cooler failures leading to coolant leaks, turbocharger actuator issues causing reduced power, fuel injector problems resulting in rough idle, head gasket failures from overheating. These are well-documented failure points that affect many Cummins B5.9G engines in service. Our remanufacturing process specifically addresses each of these known issues by using updated components, improved gaskets, and enhanced machining techniques. When you purchase a remanufactured Cummins B5.9G long block from US Engine Production, these common problems have been corrected during the rebuild process, giving you a more reliable engine than a simple repair would provide.

Question 4

What warranty comes with a remanufactured Cummins B5.9G engine?

Accepted Answer

Every remanufactured Cummins B5.9G engine from US Engine Production comes with a comprehensive parts-and-labor warranty backed by over 40 years of remanufacturing experience. Our warranty reflects our confidence in the quality of our process — every Cummins B5.9G 5.9L engine is dyno tested before shipping to verify horsepower, torque, oil pressure, and overall performance. Warranty terms may vary based on the specific application and whether the engine is for a passenger vehicle, truck, or commercial application. Contact us at (631) 991-7700 for specific warranty details for your 2007 Freightliner MT45.

Question 5

How long does a remanufactured Cummins B5.9G engine last?

Accepted Answer

A remanufactured Cummins B5.9G engine typically lasts 150,000 to 300,000+ miles with proper maintenance — comparable to a brand new engine. The longevity of your remanufactured Cummins B5.9G 5.9L depends on regular oil changes, proper cooling system maintenance, using the correct fuel and fluids, and following the manufacturer's recommended service intervals. Our remanufactured long blocks are built to OEM specifications using all-new internal components, which is why they deliver the same service life as a factory-new engine.

Question 6

Is a remanufactured Cummins B5.9G better than a used or rebuilt engine?

Accepted Answer

Yes, a remanufactured Cummins B5.9G is significantly better than a used or rebuilt engine because every component is replaced or restored to OEM specifications. A used engine has unknown history and remaining life. A rebuilt engine only replaces worn-out parts. Our remanufactured Cummins B5.9G 5.9L engines are completely disassembled down to the bare block, every component is cleaned and inspected, and all wear items are replaced with new parts — including pistons, bearings, gaskets, seals, timing components, and the oil pump. The engine block and crankshaft are precision machined to factory tolerances, delivering better reliability, longer life, and a stronger warranty than used or rebuilt alternatives.

Question 7

Will a remanufactured Cummins B5.9G fit my 2007 Freightliner MT45?

Accepted Answer

Yes, our remanufactured Cummins B5.9G long block engines are built to be a direct, bolt-in replacement for the original engine in your 2007 Freightliner MT45. We match the engine to your specific year, make, model, and configuration to ensure proper compatibility with your vehicle's computer, wiring harness, emissions equipment, and mounting points. When you call us at (631) 991-7700, our specialists will verify the exact engine configuration for your 2007 Freightliner MT45 using your VIN to ensure a perfect match.

Question 8

Do I need to return my old Cummins B5.9G engine core?

Accepted Answer

Yes, a core return is required when purchasing a remanufactured Cummins B5.9G long block engine. A refundable core deposit is collected at the time of purchase and is returned to you once we receive your old Cummins B5.9G 5.9L engine in rebuildable condition. We make the core return process easy and hassle-free. The core return program helps us keep remanufactured engine prices affordable by recycling engine blocks and other reusable components. Your old engine core should be complete and not have any cracked or damaged major castings.

Question 9

How fast can I get a remanufactured Cummins B5.9G engine shipped?

Accepted Answer

Most remanufactured Cummins B5.9G engines ship within 1-3 business days with delivery in 3-7 business days to all 50 states. Expedited shipping options are available for an additional charge. Your remanufactured Cummins B5.9G 5.9L engine is carefully crated and secured on a pallet for safe transport. Call (631) 991-7700 to check current availability and get an estimated delivery date for your 2007 Freightliner MT45.

Question 10

How is a remanufactured Cummins B5.9G engine tested before shipping?

Accepted Answer

Every remanufactured Cummins B5.9G long block engine undergoes comprehensive quality testing before it leaves our facility. This includes dynamometer (dyno) testing to verify horsepower output, torque specifications, oil pressure readings, and overall performance meet or exceed OEM specifications for the Cummins B5.9G 5.9L. We also perform compression testing across all cylinders, leak-down testing, cooling system pressure testing, and a thorough visual inspection. Our quality assurance process ensures that every remanufactured engine we ship performs like a factory-new Cummins B5.9G engine. We are committed to delivering engines that meet ISO 9001 quality standards.

2007 Freightliner MT45 B5.9G 5.9 Cummins Remanufactured Long Block Engine

About This Cummins B5.9G Remanufactured Long Block

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