Name: Detroit Diesel 8V-92 12.1L Diesel Engine Remanufactured Long Block For Sale
Brand: Detroit Diesel
SKU: REMAN-DETROIT-DIESEL-8V-92-447133
Price: 13500.00 USD
Availability: InStock
Rating: 4.8 (127 reviews)

Question 1

How much does a remanufactured Detroit Diesel 8V-92 12.1L engine cost for a 1981 Peterbilt 359?

Accepted Answer

A remanufactured Detroit Diesel 8V-92 12.1L engine typically costs 40-60% less than a brand new engine from the dealer, making it the most cost-effective option for your 1981 Peterbilt 359. The exact price depends on the specific configuration, condition of your core return, and current availability. For an accurate, no-obligation quote on a Detroit Diesel 8V-92 remanufactured long block for your 1981 Peterbilt 359, 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 Detroit Diesel 8V-92 long block engine?

Accepted Answer

A remanufactured Detroit Diesel 8V-92 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 Detroit Diesel 8V-92 12.1L 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 Detroit Diesel 8V-92 12.1L engine?

Accepted Answer

The most common Detroit Diesel 8V-92 12.1L engine problems are egr cooler failures, turbocharger actuator issues, injector problems causing white smoke, oil cooler failures. These are well-documented failure points that affect many Detroit Diesel 8V-92 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 Detroit Diesel 8V-92 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 Detroit Diesel 8V-92 engine?

Accepted Answer

Every remanufactured Detroit Diesel 8V-92 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 Detroit Diesel 8V-92 12.1L 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 commercial truck, pickup truck, or industrial application. Contact us at (631) 991-7700 for specific warranty details for your 1981 Peterbilt 359.

Question 5

How long does a remanufactured Detroit Diesel 8V-92 engine last?

Accepted Answer

A remanufactured Detroit Diesel 8V-92 engine typically lasts 200,000 to 500,000+ miles with proper maintenance — comparable to a brand new engine. The longevity of your remanufactured Detroit Diesel 8V-92 12.1L 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 Detroit Diesel 8V-92 better than a used or rebuilt engine?

Accepted Answer

Yes, a remanufactured Detroit Diesel 8V-92 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 Detroit Diesel 8V-92 12.1L 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 Detroit Diesel 8V-92 fit my 1981 Peterbilt 359?

Accepted Answer

Yes, our remanufactured Detroit Diesel 8V-92 long block engines are built to be a direct, bolt-in replacement for the original engine in your 1981 Peterbilt 359. We match the engine to your specific year, make, model, and configuration to ensure proper compatibility with your vehicle's emissions systems (EGR, DPF, SCR/DEF), engine management computer, wiring harness, and mounting points. When you call us at (631) 991-7700, our specialists will verify the exact engine configuration for your 1981 Peterbilt 359 using your VIN to ensure a perfect match.

Question 8

Do I need to return my old Detroit Diesel 8V-92 engine core?

Accepted Answer

Yes, a core return is required when purchasing a remanufactured Detroit Diesel 8V-92 long block engine. A refundable core deposit is collected at the time of purchase and is returned to you once we receive your old Detroit Diesel 8V-92 12.1L 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 Detroit Diesel 8V-92 engine shipped?

Accepted Answer

Most remanufactured Detroit Diesel 8V-92 engines ship within 1-3 business days with delivery in 3-7 business days to all 50 states. For commercial and fleet customers who need to minimize downtime, we also offer expedited shipping options. Your remanufactured Detroit Diesel 8V-92 12.1L 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 1981 Peterbilt 359.

Question 10

How is a remanufactured Detroit Diesel 8V-92 engine tested before shipping?

Accepted Answer

Every remanufactured Detroit Diesel 8V-92 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 Detroit Diesel 8V-92 12.1L. 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 Detroit Diesel 8V-92 engine. We are committed to delivering engines that meet ISO 9001 quality standards.

1981 Peterbilt 359 8V-92 12.1 Detroit Diesel Remanufactured Long Block Engine

About This Detroit Diesel 8V-92 Remanufactured Long Block

Common Detroit Diesel 8V-92 Problems We Address

Engine Specifications

Peterbilt Vehicle Compatibility

What's Included With Your Remanufactured Long Block

Core Components

Timing Components

Valvetrain

Seals & Lubrication

Frequently Asked Questions: 1981 Peterbilt 359 Detroit Diesel 8V-92 Remanufactured Engine

What Our Customers Say

Warranty & Quality Assurance

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