1999 Peterbilt 377 Remanufactured Long Block Engine
Dyno Tested • Warranty Included

About This Remanufactured Long Block
Looking for a quality remanufactured long block engine for your 1999 Peterbilt 377? US Engine Production offers premium remanufactured long block engines that meet or exceed OEM specifications. Our remanufactured long blocks are completely disassembled, cleaned, inspected, and rebuilt using new components where necessary.
Every remanufactured long block undergoes rigorous dynamometer testing to ensure optimal performance. With over 40 years of experience and a database of 473,000+ engines, we're America's trusted source for remanufactured long block engines.
Common Problems We Address
Our remanufacturing process specifically addresses these known issues with engines:
- Timing chain/belt wear
- Oil consumption issues
- Coolant leaks from gaskets
- Spark plug and ignition problems
- Valve cover gasket leaks
- Water pump failures
Our technicians use updated components and improved techniques to prevent these common failures in your remanufactured engine.
Engine Specifications
Peterbilt Vehicle Compatibility
engines are commonly found in these Peterbilt vehicles:
- Model 579 highway trucks
- Model 389 classic trucks
- Model 567 vocational trucks
- Model 520 refuse trucks
- Model 348 medium-duty trucks
- Model 337 delivery trucks
What's Included With Your Remanufactured Long Block
Complete long block assembly with all new/remanufactured components
Core Components
- Remanufactured Engine Block
Cleaned, inspected, and machined to OEM specifications
- New Pistons & Rings
Premium quality pistons with new ring sets
- Reground Crankshaft
Precision ground to factory tolerances
- New Main Bearings
OEM-spec main bearings for proper clearance
- New Rod Bearings
Connecting rod bearings replaced
- New Camshaft
New or reground camshaft (where applicable)
Timing Components
- New Timing Chain/Belt
Complete timing set included
- New Timing Gears/Sprockets
All timing components replaced
- New Tensioners & Guides
Timing tensioners and guides included
Valvetrain
- New Lifters/Tappets
Hydraulic or solid lifters replaced
- Reconditioned Cylinder Head(s)
Heads resurfaced and pressure tested
- New Valve Seals
All valve stem seals replaced
Seals & Lubrication
- New Oil Pump
Oil pump replaced for proper lubrication
- New Gasket Set
Complete gasket set included
- New Front & Rear Seals
All main seals replaced
- New Freeze Plugs
Core plugs replaced
Frequently Asked Questions: 1999 Peterbilt 377 Remanufactured Engine
A remanufactured this engine engine typically costs 40-60% less than a brand new engine from the dealer, making it the most cost-effective option for your 1999 Peterbilt 377. The exact price depends on the specific configuration, condition of your core return, and current availability. For an accurate, no-obligation quote on a this engine remanufactured long block for your 1999 Peterbilt 377, call our engine specialists at (631) 991-7700 or request a quote online. We offer competitive pricing and fast delivery.
What Our Customers Say
Trusted by thousands of customers nationwide
"Excellent quality engine at a great price. The team was very helpful in finding the right engine for my truck. Shipped fast and arrived in perfect condition."
"I've bought several engines from US Engine Production over the years. Always top quality and their customer service is the best in the business."
"Was worried about buying a remanufactured engine but these guys made it easy. Engine runs like new and the warranty gives me peace of mind."
Warranty & Quality Assurance
Core Return Required: A refundable core deposit is required. We provide a prepaid shipping label for your old engine core return.
Call us for the best price on this remanufactured long block. Prices may vary based on configuration.
Email: [email protected]
Why US Engine Production?
- 40+ years of experience
- 473,000+ engines in database
- Nationwide shipping
- Expert technical support
- Quality guaranteed
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More Peterbilt 377 Engines
Other model years available for the Peterbilt 377
1987 Peterbilt 377
Cummins N14 14.0L
1990 Peterbilt 377
Cummins L10 10.0L
1990 Peterbilt 377
Cummins N14 14.0L
1997 Peterbilt 377
Caterpillar 3406 14.6L
1989 Peterbilt 377
Detroit Diesel Series 60 12.7L
1997 Peterbilt 377
Caterpillar C12 12.0L
1990 Peterbilt 377
Caterpillar 3176 10.3L
1993 Peterbilt 377
Caterpillar 3406 14.6L
More Peterbilt Engines
Browse other Peterbilt models with remanufactured engines
1995 Peterbilt 357
Caterpillar 3406 14.6L
1993 Peterbilt 362
Cummins N14 14.0L
2008 Peterbilt 335
PACCAR PX-6 6.7L
1997 Peterbilt 377
Caterpillar C10 10.3L
1995 Peterbilt 357
Caterpillar 3406 14.6L
1994 Peterbilt 378
Caterpillar 3406 14.6L
1990 Peterbilt 357
Detroit Diesel Series 60 12.7L
1997 Peterbilt 378
Cummins M11 10.8L
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Buy Remanufactured Long Block Engines
US Engine Production is your trusted source for remanufactured long block engines. Our remanufactured long blocks for Peterbilt vehicles include all new internal components including pistons, rings, bearings, timing components, and gaskets. Every long block is dyno tested and backed by our 1-year, unlimited mileage warranty. Whether you need a replacement long block engine for your 1999 Peterbilt 377or any other application, our team of experts is ready to help. Call us at (631) 991-7700 or email [email protected] for a free quote today.
PROPOSITION 65 WARNING
WARNING: Crude oil, gasoline, diesel fuel and other petroleum products can expose you to chemicals including toluene and benzene, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov
